CN111868887A - Reflow corresponding cutting crystal belt - Google Patents

Reflow corresponding cutting crystal belt Download PDF

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Publication number
CN111868887A
CN111868887A CN201980020184.9A CN201980020184A CN111868887A CN 111868887 A CN111868887 A CN 111868887A CN 201980020184 A CN201980020184 A CN 201980020184A CN 111868887 A CN111868887 A CN 111868887A
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group
carbon atoms
radiation
meth
adhesive layer
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CN111868887B (en
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浅沼匠
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Furukawa Electric Co Ltd
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Furukawa Electric Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • C09J7/381Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385Acrylic polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/6835Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
    • H01L21/6836Wafer tapes, e.g. grinding or dicing support tapes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/326Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/416Additional features of adhesives in the form of films or foils characterized by the presence of essential components use of irradiation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2221/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
    • H01L2221/67Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
    • H01L2221/683Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L2221/68304Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
    • H01L2221/68327Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Dicing (AREA)

Abstract

The invention aims to provide a reflow die-cutting tape which can prevent the generation of outgas from a radiation-curable adhesive layer and has excellent contamination resistance. A reflow die-cut tape comprising a base material layer and a radiation-curable adhesive layer provided on the base material layer, wherein a silicon wafer is bonded to the radiation-curable adhesive layer, then irradiated with a radiation, and then subjected to a heat treatment at 210 ℃ for 10 minutes, and the silicon wafer is peeled from the radiation-curable adhesive layer after the heat treatment, and wherein the amount of carbon at the bonded surface of the silicon wafer is 30 mol% or less as measured by X-ray photoelectron spectroscopy.

Description

Reflow corresponding cutting crystal belt
Technical Field
The present invention relates to a reflow-aligned dicing tape used in a semiconductor manufacturing process.
Background
In recent years, with the improvement of performance in semiconductor structures, the density of chips and electrical connection points has been increased. Conventionally, electric wires are used for electrical connection, but in order to improve connection reliability, connection with solder is advanced, and a step of melting solder balls (reflow step) is used in the connection step. Since the chip is subjected to a high temperature exceeding 200 ℃ in the reflow step, the dicing tape as the support is also required to have heat resistance capable of withstanding a high temperature exceeding 200 ℃.
As a dicing tape that can cope with a high temperature exceeding 200 ℃, for example, patent document 1 discloses a tape using a heat-resistant adhesive layer, which is cured by a crosslinking reaction induced by irradiation with an energy ray. As shown in patent document 1, by irradiating energy rays before the reflow step, a crosslinking reaction of the resin component of the adhesive layer occurs, so-called adhesive residue in which adhesive (adhesive) remains on the bonding surface of the silicon wafer as the adherend can be improved.
However, when the resin component of the adhesive layer is crosslinked by irradiation with an energy ray, the photopolymerization initiator contained in the adhesive layer is broken to reduce the molecular weight, and outgassing is caused. If the dicing step of singulating the silicon wafer is performed after the energy ray irradiation through the reflow step, a problem of so-called chip scattering, in which the chips are not fixed and are peeled off from the dicing tape, may occur due to the floating caused by the outgassing generated by the adhesive.
Thus, the tape subjected to the reflow step is peeled off from the silicon wafer before the dicing step, and the other dicing step tape is bonded to the silicon wafer. Such replacement and attachment of the tape leads to deterioration in productivity and increase in waste, and therefore improvement is desired.
Documents of the prior art
Patent document
Patent document 1: japanese Kokai publication No. 2009-538389
Disclosure of Invention
Problems to be solved by the invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a reflow die-cutting tape which can suppress the generation of outgas from a radiation-curable adhesive layer and has excellent contamination resistance.
Means for solving the problems
The present inventors have made intensive studies on physical properties, materials, and the like of a heat-resistant adhesive tape in order to achieve the above object. As a result, the present inventors have found that the following radiation-curable adhesive agent layer can achieve the above object, and have completed the present invention. The radiation-curable adhesive layer is a tape comprising a radiation-curable adhesive, and the amount of carbon at the bonded surface of the silicon wafer is 30 mol% or less as measured by X-ray photoelectron spectroscopy when a silicon wafer as an adherend is bonded to the radiation-curable adhesive layer, irradiated with radiation, and then subjected to heat treatment at 210 ℃ for 10 minutes to peel the silicon wafer from the radiation-curable adhesive layer.
The gist of the configuration of the present invention is as follows.
[1] A reflow die-cutting tape comprises a substrate layer and a radiation-curable adhesive layer disposed on the substrate layer,
And a step of bonding a silicon wafer to the radiation-curable adhesive layer, irradiating the silicon wafer with a radiation, and then performing a heat treatment at 210 ℃ for 10 minutes, wherein the silicon wafer is peeled from the radiation-curable adhesive layer after the heat treatment, and wherein the amount of carbon in the bonded surface of the silicon wafer is 30 mol% or less as measured by an X-ray photoelectron spectroscopy.
[2] The reflow die-cut tape according to [1], wherein the radiation-curable adhesive layer comprises: a polymerizable compound having an ethylenically unsaturated bond, a polymer of the polymerizable compound having an ethylenically unsaturated bond and/or a compound having a cyclic structure that reacts with a cation and/or an anion, and a photopolymerization initiator.
[3] The reflow-compatible dicing tape according to [2], wherein the polymer of the polymerizable compound having an ethylenically unsaturated bond comprises a (meth) acrylic polymer, and the (meth) acrylic polymer is a polymer of a monomer containing (meth) acrylic acid and/or a (meth) acrylate.
[4] The reflow-aligned sliced ribbon according to [2] or [3], wherein the photopolymerization initiator is an oxime ester compound.
[5] The reflow-compatible sliced ribbon according to any one of [2] to [4], wherein the photopolymerization initiator has a molecular weight of 400 or more.
[6] The reflow-compatible dicing tape according to any one of [1] to [5], wherein the radiation-curable adhesive layer is an ultraviolet-curable adhesive layer.
[7]Such as [1]]~[6]The reflow-processed crystal slicing tape of any one of the above items, wherein the thickness is 1000mJ/cm2The radiation curable adhesive layer is irradiated with a radiation ray having a wavelength of 350nm, and then subjected to a heat treatment at 210 ℃ for 10 minutes, and then the adhesive force measured according to JIS Z0237 is 0.3N/25mm width or more and 2.0N/25mm width or less.
In the present invention, the radiation-curable adhesive layer of the sliced tape bonded to the silicon wafer before the reflow step is irradiated with radiation in advance, and the molecular weight of the main component constituting the radiation-curable adhesive layer is increased by a crosslinking reaction or the like. Even if the sliced tape contains a low-molecular component, the low-molecular component is incorporated into the main skeleton when the molecular weight of the main component constituting the radiation-curable adhesive layer increases, and the volatile component can be reduced. Therefore, outgas components can be reduced in the reflow-aligned sliced ribbon of the present invention.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the aspect of the present invention, when the silicon wafer is peeled off from the dicing tape after the reflow step, so-called adhesive residue in which the adhesive of the radiation-curable adhesive layer remains on the silicon wafer can be prevented, and also, the silicon wafer can be prevented from floating from the dicing tape due to the outgas generated from the radiation-curable adhesive layer, and thus, the chips can be prevented from scattering.
Detailed Description
The reflow of the present invention is described below with respect to the sliced ribbon. The reflow die-cut tape of the present invention includes a base material layer and a radiation-curable adhesive layer provided on the base material layer. The radiation-curable adhesive layer can be formed by coating a radiation-curable adhesive onto a base material layer.
The radiation-curable adhesive layer for reflow-to-dicing tape of the present invention was formed at 1000mJ/cm2Irradiated with a radiation having a wavelength of 350nm, and subjected to a heat treatment at 210 ℃ for 10 minutes, and then subjected to a thermal treatmentThe adhesive force measured by IS Z0237 IS not particularly limited, and the lower limit value thereof IS preferably 0.3N/25mm wide or more, and particularly preferably 0.5N/25mm wide or more, from the viewpoint of reliably preventing so-called chip scattering in which chips are scattered because chips cannot be fixed in the dicing step, and peeling occurs in the step including transportation. In addition, the upper limit value of the adhesive force is preferably 2.0N/25mm wide or less, and particularly preferably 1.5N/25mm wide or less, from the viewpoint of reliably preventing so-called adhesive residue in which a part of the radiation-curable adhesive layer adheres to an adherend when peeling off the reflow-compatible dicing tape.
The material of the base layer is not particularly limited. However, the base material layer is heated to 210 ℃ or higher together with the radiation-curable adhesive layer. Therefore, the substrate layer needs to have sufficient heat resistance against the heating conditions. Thus, examples of preferable base material layers include a polyethylene terephthalate (PET) film, a polyethylene naphthalate (PEN) film, a polyether sulfone (PES) film, a polyether imide (PEI) film, a Polysulfone (PSF) film, a polyphenylene sulfide (PPS) film, a polyether ether ketone (PEEK) film, a Polyarylate (PAR) film, an aramid film, a polyimide film, a liquid crystal polymer (PCP) film, and the like. Among these, a Polyetheretherketone (PEEK) film is particularly preferable in terms of grippability in the dicing step.
The thickness of the base material layer may be appropriately selected depending on the use conditions and the like, and is preferably in the range of 5 to 250 μm, for example. By setting the thickness of the base material layer within the above numerical range, breakage or breakage of the reflow-corresponding dicing tape can be prevented, and excellent handleability can be obtained.
In the radiation-curable adhesive layer, an adherend is bonded to the radiation-curable adhesive layer, then radiation irradiation is performed, then heating treatment is performed at 210 ℃ for 10 minutes, and after the heating treatment, the adherend is peeled off from the radiation-curable adhesive layer, and in this case, the amount of carbon at the bonded surface of the adherend is 30 mol% or less as measured by an X-ray photoelectron spectroscopy method. The conditions for the irradiation of radiation include 1000mJ/cm2Radiation having a wavelength of 350nm is irradiated.
The radiation-curable adhesive layer reduces the amount of carbon on the release surface of the adherend to 30 mol% or less even when subjected to a heat treatment at 210 ℃ for 10 minutes after radiation irradiation. Therefore, the adhesive of the radiation-curable adhesive layer can be prevented from remaining on the adherend, and the adherend can be prevented from floating from the dicing tape. The amount of carbon on the release surface of the adherend is not particularly limited as long as it is 30 mol% or less, and is particularly preferably 25 mol% or less.
The amount of carbon on the release surface of the adherend is the ratio of the total amount of components adhering to the release surface of the adherend.
The radiation-curable adhesive layer contains an adhesive as an adhesive component. The adhesive comprises: a polymerizable compound having an ethylenically unsaturated bond, a polymer of the polymerizable compound having an ethylenically unsaturated bond, and/or a compound having a cyclic structure that reacts with a cation and/or an anion, and a photopolymerization initiator as main components.
Polymerizable compound having ethylenically unsaturated bond
The polymerizable compound having an ethylenically unsaturated bond to be blended as the main component of the adhesive is not particularly limited, and a compound blended in a conventional photosensitive composition can be used. Examples of the polymerizable compound having an ethylenically unsaturated bond include: unsaturated aliphatic hydrocarbons such as ethylene, propylene, butylene, isobutylene, vinyl chloride, vinylidene fluoride, and tetrafluoroethylene; carboxylic acids having an ethylenically unsaturated bond such as (meth) acrylic acid, α -chloro (meth) acrylic acid, itaconic acid, maleic acid, citraconic acid, fumaric acid, humic acid, crotonic acid, methacrylic acid, vinylacetic acid, allylacetic acid, cinnamic acid, sorbic acid, mesaconic acid, and the like; mono (meth) acrylates of polymers having carboxyl groups and hydroxyl groups at both ends, such as succinic acid mono [2- (meth) acryloyloxyethyl ester ], phthalic acid mono [2- (meth) acryloyloxyethyl ester ], and ω -carboxy polycaprolactone mono (meth) acrylate; unsaturated polybasic acids such as hydroxyethyl (meth) acrylate-maleic acid ester, hydroxypropyl (meth) acrylate-maleic acid ester, dicyclopentadiene-maleic acid ester, and polyfunctional (meth) acrylate having 1 carboxyl group and 2 or more (meth) acryloyl groups; 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, glycidyl (meth) acrylate, the following compounds No. A1 to No. A4, methyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, t-butyl (meth) acrylate, cyclohexyl (meth) acrylate, n-octyl (meth) acrylate, isooctyl (meth) acrylate, isononyl (meth) acrylate, stearyl (meth) acrylate, lauryl (meth) acrylate, methoxyethyl (meth) acrylate, dimethylaminomethyl (meth) acrylate, dimethylaminoethyl (meth) acrylate, aminopropyl (meth) acrylate, dimethylaminopropyl (meth) acrylate, ethoxyethyl (meth) acrylate, poly (ethoxy) ethyl (meth) acrylate, poly (ethoxy) ethyl (meth) acrylate, poly (meth) acrylate, Butoxyethoxyethyl (meth) acrylate, ethylhexyl (meth) acrylate, phenoxyethyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, vinyl (meth) acrylate, allyl (meth) acrylate, benzyl (meth) acrylate, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, 1, 4-butanediol di (meth) acrylate, 1, 6-hexanediol di (meth) acrylate, trimethylolethane tri (meth) acrylate, trimethylolpropane tri (meth) acrylate, dipentaerythritol hexa (meth) acrylate, dipentaerythritol penta (meth) acrylate, pentaerythritol tetra (meth) acrylate, and mixtures thereof, (meth) acrylates as esters of (meth) acrylic acid with alcohols or phenols, such as pentaerythritol tri (meth) acrylate, tricyclodecane dimethanol di (meth) acrylate, tris [ (meth) acryloylethyl ] isocyanurate, and polyester (meth) acrylate oligomers.
[ CHEM 1 ]
Compound No. A1
Figure BDA0002688616760000051
[ CHEM 2 ]
Compound No. A2
Figure BDA0002688616760000052
[ CHEM 3 ]
Compound No. a3
Figure BDA0002688616760000053
[ CHEM 4 ]
Compound No. A4
Figure BDA0002688616760000061
Examples of other polymerizable compounds having an ethylenically unsaturated bond include: metal salts of (meth) acrylic acid such as zinc (meth) acrylate and magnesium (meth) acrylate; anhydrides of unsaturated polybasic acids such as maleic anhydride, itaconic anhydride, citraconic anhydride, methyltetrahydrophthalic anhydride, tetrahydrophthalic anhydride, trialkyltetrahydrophthalic anhydride, 5- (2, 5-dioxotetrahydrofuryl) -3-methyl-3-cyclohexene-1, 2-dicarboxylic anhydride, trialkyltetrahydrophthalic anhydride-maleic anhydride adducts, dodecenylsuccinic anhydride, and methylhumic anhydride; amides of (meth) acrylic acid and amine compounds such as (meth) acrylamide, methylenebis (meth) acrylamide, diethylenetriamine tri (meth) acrylamide, xylylenebis (meth) acrylamide, α -chloro (meth) acrylamide, and N-2-hydroxyethyl (meth) acrylamide; unsaturated aldehydes such as acrolein; unsaturated nitriles such as (meth) acrylonitrile, α -chloroacrylonitrile, vinylidene cyanide, and allylnitrile; unsaturated aromatic compounds such as styrene, 4-methylstyrene, 4-ethylstyrene, 4-methoxystyrene, 4-hydroxystyrene, 4-chlorostyrene, divinylbenzene, vinyltoluene, vinylbenzoic acid, vinylphenol, vinylsulfonic acid, 4-vinylbenzenesulfonic acid, vinylbenzyl methyl ether, and vinylbenzyl glycidyl ether; unsaturated ketones such as methyl vinyl ketone; unsaturated amine compounds such as vinylamine, allylamine, N-vinylpyrrolidone and vinylpiperidine; vinyl alcohols such as allyl alcohol and crotyl alcohol; vinyl ethers such as vinyl methyl ether, vinyl ethyl ether, n-butyl vinyl ether, isobutyl vinyl ether, and allyl glycidyl ether; unsaturated imides such as maleimide, N-phenylmaleimide and N-cyclohexylmaleimide; indenes such as indene and 1-methylindene; aliphatic conjugated dienes such as 1, 3-butadiene, isoprene and chloroprene; macromonomers having a mono (meth) acryloyl group at the terminal of the polymer molecular chain, such as polystyrene, polymethyl (meth) acrylate, poly-n-butyl (meth) acrylate, and polysiloxane; vinyl chloride, vinylidene chloride, divinyl succinate, diallyl phthalate, triallyl phosphate, isocyanurate triallyl ester, vinyl thioether, vinyl imidazole, vinyl oxazoline, vinyl carbazole, vinyl pyrrolidone, vinyl pyridine, vinyl carbamate compounds of hydroxyl group-containing vinyl monomers and polyisocyanate compounds, vinyl epoxy compounds of hydroxyl group-containing vinyl monomers and polyepoxides. These compounds may be used alone or in combination of two or more. In addition, "(meth) acrylic acid" means acrylic acid and/or methacrylic acid, and "(meth) acrylate" means acrylate and/or methacrylate.
Examples of other polymerizable compounds having an ethylenically unsaturated bond include: a polybasic acid-modified unsaturated monocarboxylic acid-based epoxy compound obtained by reacting an unsaturated monocarboxylic acid with an epoxy compound and reacting the resulting hydroxyl group with a polybasic acid and/or a polybasic acid anhydride.
Examples of the epoxy compound that can be used for producing the polyacid-modified unsaturated monocarboxylic acid epoxy compound include epoxy compounds that are the compounds having a cyclic structure that reacts with a cation and/or an anion as described above. Examples of the unsaturated monocarboxylic acid that can be used for the preparation of the polybasic acid-modified unsaturated monocarboxylic acid epoxy compound include (meth) acrylic acid, crotonic acid, cinnamic acid, sorbic acid, hydroxyethyl (meth) acrylate-maleic acid ester, hydroxypropyl (meth) acrylate-maleic acid ester, and dicyclopentadiene-maleic acid ester.
Examples of the polybasic acid that can be used for producing the polybasic acid-modified unsaturated monocarboxylic epoxy compound include biphenyltetracarboxylic acid, tetrahydrophthalic acid, succinic acid, diphthalic acid, maleic acid, trimellitic acid, pyromellitic acid, 2 '-3, 3' -benzophenonetetracarboxylic acid, hexahydrophthalic acid, methyltetrahydrophthalic acid, nadic acid, methylnadic acid, trialkyltetrahydrophthalic acid, hexahydrophthalic acid, 5- (2, 5-dioxotetrahydrofuryl) -3-methyl-3-cyclohexene-1, 2-dicarboxylic acid, trialkyltetrahydrophthalic acid-maleic acid adduct, dodecenylsuccinic acid, and methylhumic acid. Examples of the polybasic acid anhydride include anhydrides of the above polybasic acids, ethylene glycol dianhydro trimellitate, and glycerol dianhydro trimellitate.
The molar ratio of the epoxy compound, the unsaturated monocarboxylic acid, the polybasic acid and/or the polybasic acid anhydride in the reaction for producing the polybasic acid-modified unsaturated monocarboxylic acid epoxy compound is, for example, preferably 0.1 to 1.0 number of the polybasic acid and/or the polybasic acid anhydride per 1 hydroxyl group of the epoxy adduct in the epoxy adduct having a structure in which 0.1 to 1.0 number of the carboxyl group of the unsaturated monocarboxylic acid is added to 1 epoxy group of the epoxy compound. The reaction of the epoxy compound, the unsaturated monocarboxylic acid, the polybasic acid and/or the polybasic acid anhydride may be carried out according to a conventional method.
Polymer of polymerizable compound having ethylenically unsaturated bond
Examples of the polymer of the polymerizable compound having an ethylenically unsaturated bond to be blended as the main component of the adhesive include a polymer or a copolymer of the polymerizable compound having an ethylenically unsaturated bond. Among them, a (meth) acrylic polymer is preferable in that the control of the molecular weight is easy and the adjustment of the adhesive force is easy, and the (meth) acrylic polymer is a polymer of a monomer containing (meth) acrylic acid and/or the above (meth) acrylic acid ester.
Compounds having cyclic structure reactive with cation and/or anion
Examples of the compound having a cyclic structure which reacts with a cation and/or an anion and is blended as a main component of the adhesive include compounds having a 3-membered ring structure containing an oxygen atom such as epoxy compounds and glycidyl ethers. Examples of the epoxy compound include: novolac-type epoxy compounds such as phenol novolac-type epoxy compounds, biphenol novolac-type epoxy compounds, cresol novolac-type epoxy compounds, bisphenol a novolac-type epoxy compounds, dicyclopentadiene novolac-type epoxy compounds, and the like; epoxy compounds such as bisphenol type epoxy compounds and polyphenylmethane type epoxy compounds having a polyfunctional epoxy group, and alicyclic epoxy compounds such as 3, 4-epoxy-6-methylcyclohexylmethyl-3, 4-epoxy-6-methylcyclohexanecarboxylate, 3, 4-epoxycyclohexylmethyl-3, 4-epoxycyclohexylcarboxylate, and 1-epoxyethyl-3, 4-epoxycyclohexane; glycidyl esters such as diglycidyl phthalate, diglycidyl tetrahydrophthalate, and glycidyl dimer acid; glycidyl amines such as tetraglycidyl diaminodiphenylmethane, triglycidyl-p-aminophenol and N, N-diglycidylaniline; heterocyclic epoxy compounds such as 1, 3-diglycidyl-5, 5-dimethylhydantoin and triglycidyl isocyanurate; dioxide compounds such as dicyclopentadiene dioxide; a naphthalene type epoxy compound; triphenylmethane-type epoxy compounds; dicyclopentadiene type epoxy compounds, and the like.
Examples of the glycidyl ether include ethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, 1, 4-butanediol diglycidyl ether, 1, 6-hexanediol diglycidyl ether, 1, 8-octanediol diglycidyl ether, 1, 10-decanediol diglycidyl ether, 2-dimethyl-1, 3-propanediol diglycidyl ether, diethylene glycol diglycidyl ether, triethylene glycol diglycidyl ether, tetraethylene glycol diglycidyl ether, hexaethylene glycol diglycidyl ether, 1, 4-cyclohexanedimethanol diglycidyl ether, 1,1, 1-tris (glycidoxymethyl) propane, 1,1, 1-tris (glycidoxymethyl) ethane, 1,1, 1-tris (glycidoxymethyl) methane, 1, 4-butanediol diglycidyl ether, 1, 2-dimethyl-1, 3-propanediol diglycidyl ether, diethylene glycol diglycidyl ether, triethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, 1, 4-cyclohexanedimethanol diglycidyl ether, 1,1,1,1, 1,1, 1-tetrakis (glycidoxymethyl) methane, and the like.
Examples of the compound having a cyclic structure which reacts with a cation and/or an anion and is blended as a main component of the adhesive include a compound having a 4-membered ring structure containing an oxygen atom such as oxetane. These compounds may be used alone or in combination of two or more.
Photopolymerization initiator
When the active energy ray is irradiated to the polymerizable compound having an ethylenically unsaturated bond to cause photocuring of the polymerizable compound having an ethylenically unsaturated bond, the photopolymerization initiator exerts an effect of promoting photocuring.
As the photopolymerization initiator, known polymerization initiators can be appropriately selected, and examples thereof include α -hydroxyacetophenone, α -aminoalkylphenone, benzophenone, phenylbiphenylketone, 1-hydroxy-1-benzoylcyclohexane, benzoin bismethyl ether, 1-benzyl-1-dimethylamino-1- (4' -morpholinobenzoyl) propane, 2-morpholino-2- (4' -methylmercapto) benzoylpropane, thioxanthone, 1-chloro-4-propoxythioxanthone, isopropylthioxanthone, diethylthioxanthone, ethylanthraquinone, 4-benzoyl-4 ' -methylbenzophenone, benzoin butyl ether, 2-hydroxy-2-benzoylpropane, and mixtures thereof, 2-hydroxy-2- (4 '-isopropyl) benzoylpropane, 4-butylbenzoyltrichloromethane, 4-phenoxybenzoyl dichloromethane, methyl benzoylformate, 1, 7-bis (9' -acridinyl) heptane, 9-n-butyl-3, 6-bis (2 '-morpholinoisobutyryl) carbazole, 2-methyl-4, 6-bis (trichloromethyl) s-triazine, 2-phenyl-4, 6-bis (trichloromethyl) s-triazine, 2-naphthyl-4, 6-bis (trichloromethyl) s-triazine, 2-bis (2-chlorophenyl) -4,5, 4', 5 '-tetraphenyl-1-2' -biimidazole, 4-azobisisobutyronitrile, methyl benzoate, Triphenylphosphine, benzoyl peroxide, and the like. Among them, preferred are α -hydroxyacetophenone and α -aminoalkylphenone.
Examples of the α -aminoalkylphenones include: a compound of the formula,
[ CHEM 5 ]
Figure BDA0002688616760000091
(in the formula, R1And R2Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R1And R2May be linked to form a 3-to 6-membered ring,
R3and R4Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an amino group, an alkylthio group having 1 to 4 carbon atoms, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R 3And R4Cyclic alkanes capable of being linked to form 3 to 6-membered rings,
R5、R6、R7and R8Each independently represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a hydroxyl group; an alkyl group having 1 to 8 carbon atoms which is substituted or unsubstituted with a halogen atom; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group,
R9、R10、R11、R12and R13Each independently represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a hydroxyl group; an alkyl group having 1 to 8 carbon atoms which is substituted or unsubstituted with a halogen atom; aralkyl having 7 to 30 carbon atoms which is substituted OR unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group OR a nitro group, -OR14、-O-CO-O-R15、-NR16R17、-SR18And R is9、R10、R11、R12And R13At least 1 of which is selected from nitro, -OR14、-O-CO-O-R15、-NR16R17、-SR18A group of (a) or (b),
R14、R15、R16、R17and R18Represents an alkyl group having 1 to 12 carbon atoms which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted with hydroxyl, carboxyl, halogen, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an amino group, an alkylthio group having 1 to 4 carbon atoms, a carboxyl group, a halogen atom, a cyano group or a nitro group; an alkenyl group having 2 to 12 carbon atoms; a heterocyclic group having 2 to 12 carbon atoms, a trialkylsilyl group or a triarylsilyl group, and the methylene chain in the alkyl group or aralkyl group may be replaced by-O-, -S-, -NR- 19-, -CO-O-, -O-CO-or-O-CO-O-, which alkyl may be terminated with an unsaturated bond,
R19represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; an alkenyl group having 2 to 12 carbon atoms. )
A compound of the formula
[ CHEM 6 ]
Figure BDA0002688616760000101
(in the formula, R1And R2Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; quiltAn alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group-substituted or unsubstituted phenyl group; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R1And R2May be connected to form a 3-to 6-membered heterocyclic ring,
R3And R4Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an amino group, an alkylthio group having 1 to 4 carbon atoms, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R3And R4Cyclic alkanes capable of being linked to form 3 to 6-membered rings,
R5、R6、R7、R8、R9、R10、R11and R12Each independently represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a hydroxyl group; an alkyl group having 1 to 8 carbon atoms which is substituted or unsubstituted with a halogen atom; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group,
x represents a single bond or an n-valent organic group, an oxygen atom, a sulfur atom or a nitrogen atom,
n is a number of 2 to 6, and n groups are the same. )
A compound of the formula.
[ CHEM 7 ]
Figure BDA0002688616760000111
(in the formula, R1And R2Each independently represents a hydrogen atom; by hydroxy, carboxyl, halogen, cyano or Nitro-substituted or unsubstituted alkyl with 1-12 carbon atoms; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R1And R2May be connected to form a 3-to 6-membered heterocyclic ring,
R3and R4Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an amino group, an alkylthio group having 1 to 4 carbon atoms, a carboxyl group, a halogen atom, a cyano group or a nitro group; an alkenyl group having 2 to 12 carbon atoms; r3And R4Cyclic alkanes capable of being linked to form 3 to 6-membered rings,
R5、R6、R7and R8Each independently represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a hydroxyl group; an alkyl group having 1 to 8 carbon atoms which is substituted or unsubstituted with a halogen atom; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group,
R9And R10Each independently represents a hydrogen atom, a hydroxyl group, a carboxyl group, a halogen atom or an alkyl group having 1 to 4 carbon atoms, and the same or different when n is 2 or more,
n represents a number of 1 to 12,
x is a divalent organic group, and X is a divalent organic group,
y is a structure represented by the following formula (I-1) or (I-2),
the methylene chain in the above alkyl and aralkyl groups, and alkylene groups, may be replaced with-O-, -S-, -CO-O-, -O-CO-or-O-CO-O-. )
[ CHEM 8 ]
Figure BDA0002688616760000121
(in the formula, R1’And R2’Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R1’And R2’May be connected to form a 3-to 6-membered heterocyclic ring,
R3’and R4’Each independently represents a hydrogen atom; an alkyl group having 1 to 12 carbon atoms, which is substituted or unsubstituted with a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group; phenyl substituted or unsubstituted by alkyl having 1 to 4 carbon atoms, hydroxyl, carboxyl, halogen atom, cyano or nitro; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an amino group, an alkylthio group having 1 to 4 carbon atoms, a carboxyl group, a halogen atom, a cyano group or a nitro group; alkenyl group having 2 to 12 carbon atoms, R 3’And R4’Cyclic alkanes capable of being linked to form 3 to 6-membered rings,
R5’、R6’、R7’and R8’Each independently represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, a hydroxyl group; an alkyl group having 1 to 8 carbon atoms which is substituted or unsubstituted with a halogen atom; an aralkyl group having 7 to 30 carbon atoms which is substituted or unsubstituted with an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a carboxyl group, a halogen atom, a cyano group or a nitro group,
the methylene chain in the above alkyl and aralkyl groups, and alkylene groups, may be replaced with-O-, -S-, -CO-O-, -O-CO-or-O-CO-O-. )
[ CHEM 9 ]
Figure BDA0002688616760000122
(in the formula, R12And R13Each independently represents a hydrogen atom, a cyano group, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R14、R15、R16、R17、R18、R19、R20and R21Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a carboxyl group, or R22、OR23、SR24、NR25R26、COR27、SOR28、SO2R29Or CONR30R31,R16And R18May be bonded to each other to form a ring,
R22、R23、R24、R25、R26、R27、R28、R29、R30and R31Each independently represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
X2represents a single bond or CO, or a salt thereof,
X3represents an oxygen atom, a sulfur atom, a selenium atom, CR 32R33、CO、NR34Or PR35
R32、R33、R34And R35Each independently represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R12、R13、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34and R35Wherein the methylene group in the alkyl group having 1 to 20 carbon atoms or the aralkyl group having 7 to 30 carbon atoms may be substituted with a halogen atom, a nitro group, a cyano group, a hydroxyl group, a carboxyl group or a heterocyclic group, and the methylene chain in the alkyl group or the aralkyl group may be interrupted by-O-. )
In addition, as the photopolymerization initiator, an oxime ester compound can be used. By using an oxime ester compound as the photopolymerization initiator, the occurrence of outgas can be reliably reduced.
Examples of the oxime ester compound include compounds of the following formula,
[ CHEM 10 ]
Figure BDA0002688616760000131
(in the formula, R1And R2Each independently represents R11、OR11、COR11、SR11、CONR12R13Or the CN group is selected from the group consisting of,
R11、R12and R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12and R13The hydrogen atoms of the substituents shown may further be OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22CN, halogen atom, or COOR21The substitution is carried out by the following steps,
R21、R22and R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R21、R22And R23The hydrogen atom of the substituent may be further substituted by CN,A halogen atom, a hydroxyl group or a carboxyl group,
R11、R12、R13、R21、R22and R23The alkylene moiety of the substituents shown may be replaced by-O-, -S-, -COO-, -OCO-, -NR-24-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-is interrupted 1 to 5 times,
R24represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12、R13、R21、R22and R23The alkyl moiety of the substituent may have a branched side chain or may be a cyclic alkyl group, and R is12And R13And R22And R23Each of which may together form a ring,
R3and R4Each independently represents R11、OR11、SR11、COR11、CONR12R13、NR12COR11、OCOR11、COOR11、SCOR11、OCSR11、COSR11、CSOR11CN or a halogen atom,
a and b each independently represent an integer of 0 to 4,
x represents oxygen atom, sulfur atom, selenium atom, CR31R32、CO、NR33Or PR34
R31、R32、R33And R34Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms,
R31、R32、R33and R34The alkyl moiety of the substituent may have a branched side chain or may be a cyclic alkyl group, R31、R32、R33And R34May each independently form a ring together with any adjacent benzene ring,
R5represents OH, COOH or a group represented by the following general formula (II).
[ CHEM 11 ]
Figure BDA0002688616760000141
(in the formula, Z1Is a bond representing-O-, -S-, -NR22-、-NR22CO-、-SO2-, -CS-, -OCO-or-COO-,
Z2is a bond represented by 1 to 3R6A substituted alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
Z2the alkylene moiety of the bond shown may be replaced by-O-, -S-, -COO-, -OCO-, -NR22-、-NR22COO-、-OCONR22-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times, Z2The alkylene moiety of the bond may have a branched side chain or may be a cyclic alkylene group,
R6is represented by OR41、SR41、CONR42R43、NR42COR43、OCOR41、COOR41、SCOR41、OCSR41、COSR41、CSOR41CN or a halogen atom,
R41、R42and R43Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms, R41、R42And R43The alkyl moiety of the substituent may have a branched side chain or may be a cyclic alkyl group, R42And R43May be formed together into a ring,
c represents an integer of 1 to 3. ))
A compound of the formula,
[ CHEM 12 ]
Figure BDA0002688616760000151
(in the formula, R1、R2And R3Each independently represents R11、OR11、COR11、SR11、CONR12R13Or CN, R11、R12And R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms OR a heterocyclic group having 2 to 20 carbon atoms, and the hydrogen atoms of the alkyl group, the aryl group, the aralkyl group and the heterocyclic group may be further OR-bonded 21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22CN, halogen atom, -CR21=CR22R23、-CO-CR21=CR22R23Carboxy, epoxy substituted, R21、R22And R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, wherein R is as defined above11、R12、R13、R21、R22And R23The methylene group of the alkylene portion of the substituent may be interrupted 1 to 5 times by an unsaturated bond, an ether bond, a thioether bond, an ester bond, a thioester bond, an amide bond or a urethane bond, the alkyl portion of the substituent may have a branched side chain or may be a cyclic alkyl group, the alkyl terminal of the substituent may be an unsaturated bond, and R may be R12And R13And R22And R23Each of which may together form a ring, R3May form a ring together with an adjacent benzene ring. R4And R5Each independently represents R11、OR11、SR11、COR11、CONR12R13、NR12COR11、OCOR11、COOR11、SCOR11、OCSR11、COSR11、CSOR11CN, a halogen atom or a hydroxyl group, and a and b each independently represent 0 to 3. )
A compound of the formula
[ CHEM 13 ]
Figure BDA0002688616760000161
(in the formula, R1And R2Each independently represents R11、OR11、COR11、SR11、CONR12R13Or CN, R11、R12And R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms OR a heterocyclic group having 2 to 20 carbon atoms, and the hydrogen atoms of the alkyl group, the aryl group, the aralkyl group and the heterocyclic group may be further OR-bonded 21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22CN, halogen atom, -CR21=CR22R23、-CO-CR21=CR22R23Carboxy, epoxy substituted, R21、R22And R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, wherein R is as defined above11、R12、R13、R21、R22And R23The methylene group of the alkylene portion of the substituent may be interrupted 1 to 5 times by an unsaturated bond, an ether bond, a thioether bond, an ester bond, a thioester bond, an amide bond or a urethane bond, the alkyl portion of the substituent may have a branched side chain or may be a cyclic alkyl group, the alkyl terminal of the substituent may be an unsaturated bond, and R may be R12And R13And R22And R23Each may together form a ring. R3And R4Each independent earth surfaceShown as R11、OR11、SR11、COR11、CONR12R13、NR12COR11、OCOR11、COOR11、SCOR11、OCSR11、COSR11、CSOR11CN, a halogen atom or a hydroxyl group, and a and b each independently represent 0 to 4. X represents oxygen atom, sulfur atom, selenium atom, CR31R32、CO、NR33Or PR34,R31、R32、R33And R34Each independently represents R11、OR11、COR11、SR11、CONR12R13Or CN, R3May form a ring structure by bonding-X-to 1 carbon atom of an adjacent benzene ring, or R3And R4May together form a ring, R31、R33And R34Each independently may form a ring together with any adjacent benzene ring. )
A compound of the formula,
[ CHEM 14 ]
Figure BDA0002688616760000162
(in the formula, R1And R2Each independently represents R 11、OR11、COR11、SR11、CONR12R13Or the CN group is selected from the group consisting of,
R11、R12and R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12and R13The hydrogen atoms of the indicated radicals may be further substituted by R21、OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、NR22COR21、OCOR21、COOR21、SCOR21、OCSR21、COSR21、CSOR21A hydroxyl group, a nitro group, CN, a halogen atom, or COOR21The substitution is carried out by the following steps,
R21、R22and R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R21、R22and R23The hydrogen atoms of the indicated groups may be further substituted by hydroxyl, nitro, CN, halogen, hydroxyl or carboxyl groups,
R11、R12、R13、R21、R22and R23The alkylene moiety of the group shown may be substituted by-O-, -S-, -COO-, -OCO-, -NR24-、-NR24CO-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times under the condition that oxygen atoms are not adjacent,
R24represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12、R13、R21、R22、R23and R24The alkyl portion of the groups shown may have a branched side chain or may be a cyclic alkyl group,
R3represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R 3The alkyl moiety of the group may have a branched side chain or may be a cyclic alkyl group, and R is3And R7、R3And R8、R4And R5、R5And R6And R6And R7Each of which may together form a ring,
R3the hydrogen atoms of the indicated radicals may be further substituted by R21、OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、NR22COR21、OCOR21、COOR21、SCOR21、OCSR21、COSR21、CSOR21A hydroxyl group, a nitro group, CN, a halogen atom, or COOR21The substitution is carried out by the following steps,
R4、R5、R6and R7Each independently represents R11、OR11、SR11、COR14、CONR15R16、NR12COR11、OCOR11、COOR14、SCOR11、OCSR11、COSR14、CSOR11A hydroxyl group, CN or halogen atom, R4And R5、R5And R6And R6And R7Each of which may together form a ring,
R14、R15and R16R represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms14、R15And R16The alkyl part of the group may be a branched side chain or a cyclic alkyl group, R8Represents R11、OR11、SR11、COR11、CONR12R13、NR12COR11、OCOR11、COOR11、SCOR11、OCSR11、COSR11、CSOR11A hydroxyl group, CN or a halogen atom,
n represents 0 or 1. )
A compound of the formula,
[ CHEM 15 ]
Figure BDA0002688616760000181
(in the formula, R1And R2R, OR, COR, SR, CONR 'R' OR CN, R 'and R' represent an alkyl group, an aryl group, an aralkyl group OR a heterocyclic group, which may be substituted with a halogen atom OR a heterocyclic group, among them, an alkyl group and an aralkyl groupThe alkylene moiety of (a) may be interrupted by an unsaturated bond, an ether bond, a thioether bond or an ester bond, and in addition, R 'and R' may together form a ring. R3And R4Each independently represents R, OR, SR, cyano, a halogen atom OR hydroxyl, and a and b each independently represents 0 to 4. X represents oxygen atom, sulfur atom, selenium atom, carbon atom, N-R 5Or P-R12,R5And R12Represents an alkyl group which may be interrupted by-O-, -S-, -CO-O-, -O-CO-, -CO-S-or-S-CO-, and R is R when X is a carbon atom3And R4Together form a ring, or R3Form a ring structure by bonding-X-to 1 carbon atom of an adjacent benzene ring, X is an oxygen atom, a sulfur atom, a selenium atom or P-R12When R is3May form a ring structure by bonding-X-to 1 carbon atom of an adjacent benzene ring, R3And R4Or may together form a ring R5And R12Each independently may form a ring together with an adjacent benzene ring. )
A compound of the formula,
[ CHEM 16 ]
Figure BDA0002688616760000182
(wherein X represents a halogen atom or an alkyl group, R1、R2And R3Each independently represents R, OR, COR, SR, CONRR ' OR CN, R and R ' represent an alkyl group, an aryl group, an aralkyl group OR a heterocyclic group, which may be substituted with a halogen atom and/OR a heterocyclic group, in which the alkylene moiety of the alkyl group and the aralkyl group may be interrupted by an unsaturated bond, an ether bond, a thioether bond, an ester bond, and R ' may together form a ring. Y is1Represents an oxygen atom, a sulfur atom or a selenium atom, A represents a heterocyclic group, m represents an integer of 0 to 4, p represents an integer of 0 to 5, and q represents 0 or 1. )
A compound of the formula,
[ CHEM 17 ]
Figure BDA0002688616760000191
(in the formula, R1And R2Each independently represents R 11、OR11、COR11、SR11、CONR12R13Or CN, R11、R12And R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R11、R12And R13The hydrogen atoms of the substituents shown are sometimes OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22CN, halogen atom, or COOR21The substitution is carried out by the following steps,
R21、R22and R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R21、R22And R23The hydrogen atom of the substituent shown is sometimes substituted by CN, a halogen atom, a hydroxyl group or a carboxyl group,
R11、R12、R13、R21、R22and R23The alkylene moiety of the substituent shown is sometimes substituted by-O-, -S-, -COO-, -OCO-, -NR-24-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times, R24Represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R11、R12、R13、R21、R22And R23In the case where the alkyl moiety of the substituent shown above has a branched side chain or is a cyclic alkyl group, and R is12And R13And R22And R23Each of which sometimes also together form a ring,
R3、L1、L2and L3Represents R11、OR11、SR11、COR14、CONR15R16、NR12COR11、OCOR11、COOR14、SCOR11、OCSR11、COSR14、CSOR11Hydroxy, nitro, CN or halogen atom, L 1And R3、R3And L2And L2And L3Each of which may together form a ring, R14、R15And R16Represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R4Represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms, R4In the case where the alkyl moiety of the group shown is present with a branched side chain or is a cyclic alkyl group, R4The hydrogen atoms of the groups shown are sometimes further substituted by R21、OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、NR22COR21、OCOR21、COOR21、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22、SCOR21、OCSR21、COSR21、CSOR21A hydroxyl group, a nitro group, CN, a halogen atom, or COOR21And X represents a direct bond, CO or a group represented by the following general formula (I-A).
[ CHEM 18 ]
Figure BDA0002688616760000201
(in the formula, Z1And Z2A bond which is a single bond, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
Z1and Z2The alkylene moiety of the bond shown is sometimes also replaced by-O-, -S-, -COO-, -OCO-, -NR-24-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times, Z2The alkylene moiety of the bond shown may have a branched side chain or may be a cyclic alkylene group.
R5Represents R11、OR11、COR11、SR11、CONR12R13Or CN, R11、R12And R13The same as the above general formula (I). ))
[ CHEM 19 ]
Figure BDA0002688616760000202
(in the formula, R6、R7And R8Each independently represents R11、OR11、COR11、SR11、CONR12R13Or CN, R11、R12And R13In the same manner as in the above-mentioned general formula (I),
R9represents OH, COOH or a group represented by the following general formula (II-A),
y represents an oxygen atom, a sulfur atom, a selenium atom, CR31R32、CO、NR33Or PR34
Alpha represents an integer of 1 to 10, R31、R32、R33And R34Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms,
R31、R32、R33and R34The alkyl moiety of the substituent shown may have a branched side chain or may be a cyclic alkylene group, R31、R32、R33And R34Each independently may form a ring together with any adjacent benzene ring.
[ CHEM 20 ]
Figure BDA0002688616760000211
(in the formula, Z3Is a bond representing-O-, -S-, -NR22-、-NR22CO-、-SO2-, -CS-, -OCO-or-COO-,
Z4is a bond represented by 1 to 3R10A substituted alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
Z4the alkylene moiety of the bond shown may also be replaced by-O-, -S-, -COO-, -OCO, -NR24-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times, Z4The alkylene moiety of the bond also may have a branched side chain or be a cyclic alkylene group, R 10Is represented by OR41、SR41、CONR42R43、NR42COR43、OCOR41、COOR41、SCOR41、OCSR41、COSR41、CSOR41CN or halogen atom, R41、R42And R43Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms, R41、R42And R43The alkyl moiety of the substituent shown may have a branched side chain or may be a cyclic alkylene group, R42And R43Sometimes they may form a ring together, and a represents an integer of 1 to 3. R22And R24The same as the above general formula (I). ))
A compound of the formula,
[ CHEM 21 ]
Figure BDA0002688616760000212
(in the formula, R1And R2Each independently represents a hydrogen atom, a halogen atom, or nitroA cyano group, a hydrocarbon group having 1 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R3、R4、R5、R6、R7、R8and R9(hereinafter, also referred to as R)3~R9) Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a carboxyl group, or R10、OR10、SR10、NR11R12、COR10、SOR10、SO2R10Or CONR11R12
R10、R11And R12Each independently represents a C1-20 hydrocarbon group or a C2-20 heterocyclic group, R11And R12Sometimes they are bonded to form a ring,
R1、R2、R10、R11and R12The hydrogen atom of the hydrocarbon group having 1 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be substituted by a halogen atom, a nitro group, a cyano group, a hydroxyl group, or NR11R12A carboxyl group, (meth) acryloyl group, epoxy group, vinyl group, mercapto group, isocyanate group, carboxyl group or heterocyclic group-containing group, and methylene group in the hydrocarbon group having 2 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be replaced by-O-, -CO-, -COO-, -OCO-, -NR- 13-、-NR13CO-、-S-、-SO2-, -SCO-or-COS-substitution,
R13represents a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, R3And R4、R4And R5、R5And R6、R6And R7、R7And R8And R8And R9Sometimes they are bonded to form a ring. )
A compound of the formula,
[ CHEM 22 ]
Figure BDA0002688616760000221
(in the formula, R1、R2And R3Represents R, OR, COR, SR, CONRR' OR CN, R4And R ' represent a hydrogen atom or a methyl group, and R ' represent an alkyl group, an aryl group, an aralkyl group or a heterocyclic group, which may be substituted with a halogen atom or a heterocyclic group, wherein the alkylene portion of the alkyl group and the aralkyl group may be interrupted by an unsaturated bond, an ether bond, a thioether bond or an ester bond, and R ' may form a ring together. X represents identical or different halogen atoms or alkyl groups, Y1Represents an oxygen atom, a sulfur atom or a selenium atom, Y2Represents an alkanediyl group in which a carbon atom in the main chain thereof may be substituted by an oxygen atom, a represents an integer of 0 to 4, and q represents 0 or 1. )
A compound of the formula,
[ CHEM 23 ]
Figure BDA0002688616760000231
(in the formula, R1And R2Each independently represents R11、OR11、COR11、SR11、CONR12R13Or the CN group is selected from the group consisting of,
R11、R12and R13Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12And R13The hydrogen atom of the substituent may be further OR21、COR21、SR21、NR22R23、CONR22R23、-NR22-OR23、-NCOR22-OCOR23、-C(=N-OR21)-R22、-C(=N-OCOR21)-R22CN, halogen atom, or COOR21The substitution is carried out by the following steps,
R21、R22and R23Each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or a carbon atom6 to 30 aryl groups, 7 to 30 aralkyl groups or 2 to 20 heterocyclic groups,
R21、R22and R23The hydrogen atom of the substituent shown may be further substituted with CN, a halogen atom, a hydroxyl group or a carboxyl group,
R11、R12、R13、R21、R22and R23The alkylene moiety of the substituent shown may be replaced by-O-, -S-, -COO-, -OCO-, -NR24-、-NR24COO-、-OCONR24-, -SCO-, -COS-, -OCS-or-CSO-is interrupted 1 to 5 times,
R24represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aralkyl group having 7 to 30 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11、R12、R13、R21、R22and R23The alkyl moiety of the substituent may have a branched side chain or a cyclic alkyl group, and R is12And R13And R22And R23Each of which sometimes together form a ring,
Z1is a bond, represents a single bond, -O-, -S-, -NR-22-、-NR22CO-、-SO2-, -CS-, -OCO-or-COO-,
Z2a bond which is a single bond, an alkanediyl group having 1 to 20 carbon atoms, an aryldiyl group having 6 to 30 carbon atoms, an aralkyldiyl group having 7 to 30 carbon atoms or a 2-valent heterocyclic group having 2 to 20 carbon atoms,
Z2The alkylene moiety of the bond shown is sometimes replaced by-O-, -S-, -COO-, -OCO-, -NR-22-、-NR22COO-、-OCONR22-, -SCO-, -COS-, -OCS-or-CSO-are interrupted 1 to 5 times, Z2The alkylene portion of the bond shown may have a branched side chain, and may be a cyclic alkylene,
x represents a bond represented by the following chemical formula (I-A) or (I-B). )
[ CHEM 24 ]
Figure BDA0002688616760000241
(in the formulae (I-A) and (I-B),. phi.
A compound of the formula,
[ CHEM 25 ]
Figure BDA0002688616760000242
(in the formula, R1And R2Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R1and R2The alkyl or R having 1 to 20 carbon atoms1And R2The hydrogen atom of the heterocyclic group having 2 to 20 carbon atoms may be a halogen atom, nitro group, cyano group, hydroxyl group, amino group, carboxyl group, methacryloyl group, acryloyl group, epoxy group, vinyl group, or CH2Substituted by CH-O-, mercapto, isocyanate or heterocyclic group, R1And R2The alkyl or R having 1 to 20 carbon atoms1And R2The methylene group in the group containing 2 to 20 carbon atoms of the heterocycle may be-O-, -CO-, -COO-, -OCO-, -NR-3-、-NR3CO-、-S-、-CS-、-SO2-, -SCO-, -COS-, -OCS-or CSO-,
R3Represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms,
n represents 0 or 1. In the formula, means that the moiety is bonded to an adjacent group. )
A compound of the formula,
[ CHEM 26 ]
Figure BDA0002688616760000251
(in the formula, R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11And R12(hereinafter, also referred to as R)1~R12) Each independently represents a group represented by the following general formula (II), a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a carboxyl group, R13、OR13、SR13、NR14R15、COR13、SOR13、SO2R13Or CONR14R15,R13、R14And R15Each independently represents an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R13、R14and R15The hydrogen atom of the alkyl group having 1 to 20 carbon atoms, the cycloalkyl group having 3 to 20 carbon atoms, the cycloalkylalkyl group having 4 to 20 carbon atoms, the aryl group having 6 to 20 carbon atoms, the aralkyl group having 7 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be substituted with a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group, a carboxyl group, a methacryloyl group, an acryloyl group, an epoxy group, a vinyl ether group, a mercapto group, an isocyanate group or a heterocyclic group, and R is a group represented by13、R14And R15The methylene group in the alkyl group having 1 to 20 carbon atoms, the cycloalkyl group having 3 to 20 carbon atoms, the cycloalkylalkyl group having 4 to 20 carbon atoms, the aralkyl group having 7 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be-O-, -CO-, -COO-, -OCO-, -NR-or 16-、-NR16CO-、-S-、-CS-、-SO2-, -SCO-, -COS-, -OCS-or CSO-,
R16represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms,
ring A1And ring A2Condensed to form an aromatic ring having 30 or less carbon atoms,
R1、R2、R3、R4、R5、R6、R7、R8、R9and R10(hereinafter, also referred to as R)1~R10) At least one of which is a group represented by the following general formula (II),
m is A1The number of desirable substituents is a positive integer below,
when m.gtoreq.2, there are a plurality of R11Sometimes it is different from each other in that,
n is A2The number of desirable substituents is a positive integer below,
when n.gtoreq.2, there are a plurality of R12Sometimes it is different from each other in that,
R1and R2、R2And R3、R3And R4、R4And R5、R6And R7、R7And R8、R8And R9、R9And R10、R11And R12May be bonded to form a ring, and when m.gtoreq.2, R11And R11May be bonded to form a ring, and when n.gtoreq.2, R12And R12Sometimes they are bonded to form a ring.
[ CHEM 27 ]
Figure BDA0002688616760000261
(in the formula, R17And R18Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R17And R18The alkyl group having 1 to 20 carbon atoms, the cycloalkyl group having 3 to 20 carbon atoms, the cycloalkylalkyl group having 4 to 20 carbon atoms, the aryl group having 6 to 20 carbon atoms, the aralkyl group having 7 to 20 carbon atoms or the aralkyl group having 2 to 20 carbon atoms is describedThe hydrogen atom of the heterocyclic group-containing group is sometimes substituted with a halogen atom, nitro group, cyano group, hydroxyl group, amino group, carboxyl group, methacryloyl group, acryloyl group, epoxy group, vinyl ether group, mercapto group, isocyanate group or heterocyclic group-containing group, R17And R18The methylene group in the alkyl group having 1 to 20 carbon atoms, the cycloalkyl group having 3 to 20 carbon atoms, the cycloalkylalkyl group having 4 to 20 carbon atoms, the aralkyl group having 7 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be-O-, -CO-, -COO-, -OCO-, -NR-or19-、-NR19CO-、-S-、-CS-、-SO2-, -SCO-, -COS-, -OCS-or CSO-,
R19represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and k represents 0 or 1. ))
A compound of the formula and the like.
[ CHEM 28 ]
Figure BDA0002688616760000271
(in the formula, R1、R2、R3、R4、R5、R6、R7、R8、R9And R10(hereinafter, also referred to as R) 1~R10) Each independently represents a group represented by the following general formula (II), a hydrogen atom, a halogen atom, a nitro group, a nitrile group, a cyano group, a hydroxyl group, a carboxyl group, a formyl group, a sulfo group, R13、OR13、SR13、NR14R15、COR13、SOR13、SO2R13Or CONR14R15
R13、R14And R15Each independently represents a hydrocarbon group having 1 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R13、R14and R15The alkyl group or carbon having 1 to 20 carbon atomsThe hydrogen atom of the heterocyclic group having 2 to 20 atoms may be substituted by a group represented by the following general formula (II), a nitrile group, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group, a carboxyl group, a methacryloyl group, an acryloyl group, an epoxy group, a vinyl ether group, a mercapto group, an isocyanate group or a heterocyclic group13、R14And R15The methylene group in the hydrocarbon group having 2 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be-O-, -CO-, -COO-, -OCO-, -NR16-、-NR16CO-、-S-、-SO2-, -SCO-or-COS-substitution,
R16represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms,
R11and R12Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R11and R12The hydrogen atom of the hydrocarbon group having 1 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be substituted with a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group, a carboxyl group, a methacryloyl group, an acryloyl group, an epoxy group, a vinyl ether group, a mercapto group, an isocyanate group or a heterocyclic group, and R is 11And R12The methylene group in the hydrocarbon group having 1 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be-O-, -CO-, -COO-, -OCO-, -NR17-、-NR17CO-、-S-、-SO2-, -SCO-or-COS-substitution,
R17represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms,
R1~R10at least one of which is a group represented by the following general formula (II),
R2and R3、R3And R4、R4And R5、R6And R7、R7And R8、R8And R9And R9And R10Sometimes they are bonded to form a ring,
m represents 0 or 1.
[ CHEM 29 ]
Figure BDA0002688616760000281
(in the formula, R21And R22Each independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms or a heterocyclic group having 2 to 20 carbon atoms,
R21and R22The hydrogen atom of the hydrocarbon group having 1 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be substituted with a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group, a carboxyl group, a methacryloyl group, an acryloyl group, an epoxy group, a vinyl ether group, a mercapto group, an isocyanate group or a heterocyclic group, and R is21And R22The methylene group in the hydrocarbon group having 1 to 20 carbon atoms or the heterocyclic group having 2 to 20 carbon atoms may be-O-, -CO-, -COO-, -OCO-, -NR23-、-NR23CO-、-S-、-SO2-, -SCO-or-COS-substituted, R23Represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms,
n represents 0 or 1. ))
Among the above photopolymerization initiators, a photopolymerization initiator having a high molecular weight is preferable, specifically, a photopolymerization initiator having a molecular weight of 400 or more is preferable, and a photopolymerization initiator having a molecular weight of 500 or more is particularly preferable, from the viewpoint of preventing the occurrence of outgas by preventing the outgas even if the photopolymerization initiator is cleaved, and reliably suppressing the occurrence of outgas. The upper limit of the molecular weight of the photopolymerization initiator is not particularly limited, and examples thereof include 10000 or less.
The amount of the photopolymerization initiator to be blended is not particularly limited, and may be appropriately selected, and is, for example, preferably 0.1 to 10% by mass, and particularly preferably 1 to 5% by mass, based on 100% by mass of the adhesive.
As required, various additives such as a plasticizer, a pigment, a dye, an antioxidant, an antistatic agent, and a filler added to improve the physical properties of the adhesive layer such as the elastic modulus may be added to the adhesive as optional components.
The thickness of the radiation-curable adhesive layer is not particularly limited, but is preferably 1 to 50 μm, and particularly preferably 5 to 25 μm. When the thickness of the radiation curable adhesive layer is less than 1 μm, the followability to an adherend is impaired, and the adhesive force in the dicing after the reflow step may be reduced. On the other hand, when the thickness of the radiation-curable adhesive layer exceeds 50 μm, the adhesive itself is broken, and adhesive residue may be generated in which a defective adhesive is attached to an adherend.
The type of radiation is appropriately set according to the type of adhesive included in the radiation-curable adhesive layer. Examples of the radiation include ultraviolet rays and electron beams. The reflow of the present invention is particularly preferably applied to the sliced ribbon, and the ultraviolet rays among these radiation rays are particularly preferable. That is, as the radiation curable adhesive layer, an ultraviolet curable adhesive layer is particularly preferable; as the adhesive, an ultraviolet-curable adhesive is particularly preferable.
The method of generating ultraviolet rays is not particularly limited, and conventionally known methods of generating ultraviolet rays can be suitably employed. Specific examples of the ultraviolet ray generation system include a discharge lamp system (arc lamp), a flash system, and a laser system. Among these, the discharge lamp system is preferred from the viewpoint of industrial production, and among the discharge lamp systems, the irradiation method using a high-pressure mercury lamp or a metal halide lamp is particularly preferred from the viewpoint of irradiation efficiency of ultraviolet rays.
The wavelength of the ultraviolet light is not particularly limited, and is preferably within a range of 250nm to 400nm in terms of the wavelength used for general photocuring and the wavelength of the ultraviolet light generating source used in the irradiation method.
The irradiation amount of ultraviolet rays is not particularly limited as long as the effect of the photopolymerization initiator can be produced by ultraviolet rays. Specifically, for example, it is preferably 10 to 3000mJ/cm2Particularly preferably 50 to 2000mJ/cm2. The ultraviolet irradiation amount is less than 10mJ/cm2In the case of (3), the adhesive may not be sufficiently cured. Further, the dose of ultraviolet irradiation exceeds 3000mJ/cm2In the case of (a) in (b),the photocuring of the adhesive proceeds excessively, and the radiation-curable adhesive layer may be broken.
Examples of the adherend for reflow-supporting dicing tape of the present invention include a silicon wafer.
Examples
The following describes examples of the present invention, but unless otherwise specified, the materials, amounts of mixing, and the like described in the examples are not intended to limit the scope of the present invention, and are merely illustrative examples.
Example 1
As the photopolymerization initiator, α -hydroxyacetophenone (Irugacure 184, manufactured by BASF) was used. An acrylic copolymer (Mw 70 ten thousand) synthesized by blending 5 parts by mass of a (meth) acrylic acid monomer with 100 parts by mass of a butyl (meth) acrylate monomer, α -hydroxyacetophenone: mass ratio of acrylic copolymer 5: 100 to prepare the radiation curing adhesive. The adhesive was applied to a 50 μm PEEK film, and the solvent in the adhesive was evaporated at 120 ℃ to form a radiation-curable adhesive layer (thickness 20 μm) to produce a reflow-compatible dicing tape.
Example 2
As the photopolymerization initiator, an oxime ester compound is used. As the oxime ester compound, the following compound (molecular weight 355) was used.
[ CHEM 30 ]
Figure BDA0002688616760000301
The oxime ester compound used in example 2 was prepared as follows.
To a solution of 92g of dichloroethane and 21.7g (163mmol) of aluminum chloride was added 20.73g (6.5mmol) of the following alcohol, followed by dropwise addition of 9.0g (97mmol) of propionyl chloride at 6 ℃ or lower. After stirring for 1 hour, the reaction mixture was poured into ice water, ethyl acetate was added to separate the oil and water, and the organic layer was washed with water. The organic layer was dried over anhydrous magnesium sulfate, and then desolvation was performed to obtain 17.5g of an acyl body a.
[ CHEM 31 ]
Figure BDA0002688616760000302
Oximation of
To a solution of 13.0g (35mmol) of the obtained acyl compound a, 3.6g (35mmol) of concentrated hydrochloric acid and 30g of dimethylformamide was added 5.4g (52mmol) of isobutyl nitrite, and the mixture was stirred at room temperature for 3.5 hours. After stirring, ethyl acetate and water were added to the reaction solution to conduct oil-water separation, and the organic layer was washed with water. Hexane was added to the organic layer from which the solid was precipitated, followed by filtration. The resulting solid was dried under reduced pressure to obtain 7.8g of oxime a.
[ CHEM 32 ]
Figure BDA0002688616760000303
Esterification of oximes
A solution of 5.0g (13mmol) of the obtained oxime a, 2.1g (27mmol) of pyridine and 12g of dimethylformamide was allowed to stand at-10 ℃ or lower, and 1.6g (15mmol) of acetic anhydride was added dropwise thereto, followed by stirring at 5 ℃ for 2 hours. After stirring, ethyl acetate and water were added to the reaction solution to conduct oil-water separation, and the organic layer was washed with water. The organic layer was dried over anhydrous magnesium sulfate, and then the solvent was removed, whereby 3.5g of the oxime ester compound was obtained.
An acrylic copolymer (Mw 70 ten thousand) synthesized by mixing the oxime ester compound obtained as described above with 5 parts by mass of a (meth) acrylic acid monomer per 100 parts by mass of a butyl (meth) acrylate monomer was synthesized in accordance with the oxime ester compound: mass ratio of acrylic copolymer 5: 100 to prepare the radiation curing adhesive. The adhesive was applied to a 50 μm PEEK film, and the solvent in the adhesive was evaporated at 120 ℃ to form a radiation-curable adhesive layer (thickness 20 μm) to produce a reflow-compatible dicing tape.
Example 3
A reflow-compatible sliced tape was produced in the same manner as in example 2 except that the oxime ester compound of example 2, which was compounded as a photopolymerization initiator, was changed to the oxime ester compound (molecular weight 445, irugature OXE01, BASF) described below.
[ CHEM 33 ]
Figure BDA0002688616760000311
Example 4
A reflow-compatible sliced crystal tape was produced in the same manner as in example 2 except that the oxime ester compound of example 2, which was compounded as a photopolymerization initiator, was changed to the oxime ester compound (molecular weight 515) described below. In addition, with respect to the oxime ester compound of example 4, 10.4g (78 mmol) of aluminum chloride and 33.0g of dichloroethane were charged under a nitrogen atmosphere, 36 mmol of acid chloride was slowly dropped under ice cooling, 30 mmol of the nitrocarbazole compound and 33.0g of dichloroethane were slowly dropped, and stirring was carried out at 5 ℃ for 30 minutes. Pouring the reaction solution into ice water for oil-water separation. Desolventizing to obtain the acyl matrix. Under a nitrogen stream, 20 mmol of the obtained acyl compound, 2.1g (30 mmol) of hydroxylamine hydrochloride and 16.9g of dimethylformamide were put, and the mixture was stirred at 80 ℃ for 1 hour. Cooling to room temperature, and performing oil-water separation. The solvent was distilled off, and 25.4g of butyl acetate and then 2.45g (24 mmol) of acetic anhydride were added to the residue, and the mixture was stirred at 90 ℃ for 1 hour and cooled to room temperature. The resulting product was neutralized with a 5% aqueous solution of sodium hydroxide, subjected to oil-water separation, desolventization, and recrystallization from ethyl acetate to obtain the following oxime ester compound as a target substance.
[ CHEM 34 ]
Figure BDA0002688616760000321
Comparative example 1
The blending amount of α -hydroxyacetophenone of example 1 blended as a photopolymerization initiator was made to be α -hydroxyacetophenone: mass ratio of acrylic copolymer 10: 100, a sliced crystal ribbon was produced in the same manner as in example 1 except that.
(1) Carbon content by X-ray photoelectron spectroscopy (XPS)
Bonding the prepared reflow corresponding sliced crystal belt to a silicon wafer at 1000mJ/cm2After irradiation with ultraviolet rays (wavelength: 365nm), heat treatment was carried out at 210 ℃ for 10 minutes. Next, after the reflow-corresponding dicing tape was peeled off from the silicon wafer, the amount of carbon in the total amount of the components attached to the surface of the silicon wafer to which the reflow-corresponding dicing tape was attached was measured by X-ray photoelectron spectroscopy (XPS) and evaluated as follows. The XPS device used PHI Quantes (manufactured by ULVAC-PHI corporation), the excitation X-ray was a monochromatized Al-Ka ray, the emission angle was 45 degrees, and the measurement was performed in a wide scanning range of 1350 to 0 eV. The analysis area is
Figure BDA0002688616760000322
O: carbon content of 30 mol% or less
X: the carbon content is more than 30 mol%
(2) Reduced outgassing
The presence or absence of outgas generated during the heat treatment at 210 ℃ for 10 minutes was evaluated by observing bubbles generated in the radiation-curable adhesive layer after the heat treatment visually or with an optical microscope.
O: hardly generates bubbles
And (delta): with some bubbles
X: obviously has bubbles
(3) Prevent chip dispersion
The number of chips peeled from the dicing tape was measured in the dicing step of dividing the silicon wafer into individual pieces after the heat treatment at 210 ℃ for 10 minutes, and the evaluation was performed.
Very good: chip without peeling from dicing tape
O: there are chips peeled from the dicing tape, but the proportion is 1% or less
And (delta): the proportion of chips peeled from the dicing tape is more than 1% and 5% or less
X: the proportion of chips peeled from the dicing tape exceeded 5%
The evaluation results are shown in Table 1.
[ TABLE 1 ]
Example 1 Example 2 Example 3 Example 4 Comparative example 1
Carbon content by X-ray photoelectron spectroscopy ×
Reduced outgassing ×
Prevent chip dispersion ×
As is clear from table 1, in examples 1 to 4 in which the amount of carbon was 30 mol% or less as measured by X-ray photoelectron spectroscopy, outgassing reduction was obtained, and the proportion of chips peeled from the dicing tape could be reduced to 5% or less. In particular, as is clear from comparison between example 1 and examples 2 to 4, if an oxime ester compound is used as a photopolymerization initiator, outgassing can be further reduced. Further, as is clear from comparison of example 2 with examples 3 and 4, when the molecular weight is 400 or more and the molecular weight of the oxime ester compound as a photopolymerization initiator is large, the proportion of chips peeled from the sliced ribbon can be further reduced.
On the other hand, in comparative example 1 in which the amount of carbon measured by X-ray photoelectron spectroscopy exceeded 30 mol%, the outgassing reduction was not obtained, and the proportion of chips peeled from the sliced ribbon exceeded 5%.

Claims (7)

1. A reflow die-cutting tape comprises a substrate layer and a radiation-curable adhesive layer disposed on the substrate layer,
and a step of bonding a silicon wafer to the radiation-curable adhesive layer, irradiating the silicon wafer with a radiation, and then performing a heat treatment at 210 ℃ for 10 minutes, wherein the silicon wafer is peeled from the radiation-curable adhesive layer after the heat treatment, and wherein the amount of carbon in the bonded surface of the silicon wafer is 30 mol% or less as measured by an X-ray photoelectron spectroscopy.
2. The reflow die attach tape of claim 1 wherein the radiation curable adhesive layer comprises: a polymerizable compound having an ethylenically unsaturated bond, a polymer of the polymerizable compound having an ethylenically unsaturated bond and/or a compound having a cyclic structure that reacts with a cation and/or an anion, and a photopolymerization initiator.
3. The reflow-compatible dicing tape according to claim 2, wherein the polymer of the polymerizable compound having an ethylenically unsaturated bond comprises a (meth) acrylic polymer which is a polymer of a monomer containing (meth) acrylic acid and/or a (meth) acrylate.
4. The reflow-aligned sliced ribbon according to claim 2 or 3, wherein the photopolymerization initiator is an oxime ester compound.
5. The reflow-compatible dicing tape according to any one of claims 2 to 4, wherein the photopolymerization initiator has a molecular weight of 400 or more.
6. The reflow die-cut tape according to any one of claims 1 to 5, wherein the radiation-curable adhesive layer is an ultraviolet-curable adhesive layer.
7. The reflow-corresponding sliced ribbon of any one of claims 1 to 6, wherein the thickness is 1000mJ/cm2The radiation curable adhesive layer is irradiated with a radiation ray having a wavelength of 350nm, and then subjected to a heat treatment at 210 ℃ for 10 minutes, and then the adhesive force measured according to JIS Z0237 is 0.3N/25mm width or more and 2.0N/25mm width or less.
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