WO2011019003A1 - 表面保護層用熱硬化性樹脂組成物 - Google Patents
表面保護層用熱硬化性樹脂組成物 Download PDFInfo
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- WO2011019003A1 WO2011019003A1 PCT/JP2010/063409 JP2010063409W WO2011019003A1 WO 2011019003 A1 WO2011019003 A1 WO 2011019003A1 JP 2010063409 W JP2010063409 W JP 2010063409W WO 2011019003 A1 WO2011019003 A1 WO 2011019003A1
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- WIPO (PCT)
- Prior art keywords
- resin composition
- thermosetting resin
- protective layer
- substrate
- surface protective
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4215—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof cycloaliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/90—Applications
Definitions
- the present invention relates to a thermosetting resin composition used for a surface protective layer for preventing deterioration, damage, etc. of a substrate surface, and in particular, surface hardness, solvent resistance, transparency, and a substrate to be protected.
- the present invention relates to a thermosetting resin composition for a surface protective layer having excellent adhesion.
- members of display devices and information devices are required to be lighter. For this reason, members that have been conventionally made of a metal or glass material are also being converted into members made of a polymer material.
- a surface protective layer is formed on the surface of a member manufactured from a polymer material.
- These surface protective layers are required to have excellent properties such as surface hardness, solvent resistance, transparency, and adhesion to a substrate.
- An object of the present invention is to provide a thermosetting resin composition for a surface protective layer having excellent surface hardness, solvent resistance, transparency, and adhesion to a substrate.
- the present inventors have found that when a composition comprising a component having an epoxy group and a curing agent component containing cyclohexanetricarboxylic acid anhydride is cured, the surface hardness is high and the solvent resistance is high.
- the inventors have found that a surface protective layer excellent in transparency and adhesion to a substrate can be obtained, and have reached the present invention.
- the present invention is a resin composition for a surface protective layer, comprising a component having an epoxy group and a curing agent component containing cyclohexanetricarboxylic acid anhydride, the thermosetting resin composition,
- the present invention relates to a cured product of a thermosetting resin composition, a laminate having a substrate and a surface protective layer provided on the substrate, and a method for protecting the substrate surface.
- thermosetting resin composition of the present invention is excellent in surface hardness, solvent resistance, transparency, and adhesion to a substrate, and is useful as a resin composition for forming a surface protective layer. It is useful for manufacturing automobile window materials.
- thermosetting resin composition of the present invention includes a component having an epoxy group and a curing agent component containing cyclohexanetricarboxylic acid anhydride.
- the curing agent component used in the present invention contains cyclohexanetricarboxylic anhydride (curing agent A).
- cyclohexanetricarboxylic acid anhydride examples include cyclohexane-1,2,4-tricarboxylic acid-1,2-anhydride, cyclohexane-1,2,3-tricarboxylic acid-1,2-anhydride, and the like. These compounds may be used alone or in combination.
- Cyclohexanetricarboxylic acid anhydride can be synthesized, for example, by hydrogenation of trimellitic acid.
- the content of cyclohexanetricarboxylic acid anhydride in the curing agent component is arbitrary, but it is preferably 10% by mass or more, more preferably 30% by mass or more (including 100% each) because the solvent resistance is improved.
- the curing agent component can contain one or more acid anhydrides (curing agent B) in addition to cyclohexanetricarboxylic acid anhydride.
- the kind is not specifically limited, It can mix
- the content of the curing agent B in the curing agent component is preferably 90% by mass or less, and more preferably 70% by mass or less (each including zero).
- Examples of the curing agent B that can be used include tetrahydrophthalic anhydride, hexahydrophthalic anhydride, methyltetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, methylnadic acid anhydride, trialkyltetrahydrophthalic anhydride, and methylcyclohexenetetracarboxylic acid.
- Acid dianhydride phthalic anhydride, trimellitic anhydride, pyromellitic anhydride, benzophenone tetracarboxylic dianhydride, ethylene glycol bisanhydro trimellitate, glycerin bis (anhydro trimellitate) monoacetate, dodecenyl anhydride
- succinic acid aliphatic dibasic acid polyanhydride, chlorendic acid anhydride, and hydrogenated compounds of the above acid anhydrides.
- tetrahydrophthalic anhydride hexahydrophthalic anhydride, methyltetrahydrophthalic anhydride, and methylhexahydrophthalic anhydride are preferred because of their good compatibility with cyclohexanetricarboxylic anhydride.
- an epoxy resin curing agent (curing agent C) other than acid anhydrides (curing agents A and B) can be used as long as the effects of the present invention are not impaired.
- Curing agents C include cyclohexane-1,2,4-tricarboxylic acid, cyclohexane-1,2,3-tricarboxylic acid, cyclohexane-1,3,5-tricarboxylic acid, cyclohexane-1,2-dicarboxylic acid, 3- Examples thereof include carboxylic acids such as methylcyclohexane-1,2-dicarboxylic acid and 4-methylcyclohexane-1,2-dicarboxylic acid.
- curing agent component becomes like this. Preferably it is 50 mass% or less, More preferably, it is 30 mass% or less (each contains zero).
- thermosetting resin composition of the present invention can contain one or more epoxy resins as a component having an epoxy group.
- the kind is not specifically limited, It can mix
- epoxy resin examples include bisphenol A type epoxy resin, bisphenol F type epoxy resin, cresol novolac type epoxy resin, phenol novolac type epoxy resin, biphenyl type epoxy resin, stilbene type epoxy resin, and hydroquinone type epoxy resin.
- Naphthalene skeleton type epoxy resin such as epoxycyclohexanecarboxylate and vinylcyclohexene diepoxide
- diglycidyl ether of bisphenol A ethylene oxide adduct diglycidyl ether of phenol A propylene oxide adduct
- cyclohexanedimethanol diglycidyl ether polyglycidyl ether of aliphatic polyhydric alcohol, polyglycidyl ester of polybasic acid such as diglycidyl ester of hexahydrophthalic anhydride, butyl glycidyl ether, Examples thereof include alkyl glycidyl ethers such as lauryl g
- epoxy resins can be used alone or in admixture of two or more.
- bisphenol A type epoxy resin its nuclear hydrogenated product, 3,4-epoxycyclohexylmethyl-3 ′, 4′-epoxycyclohexanecarboxylate, polyglycidyl ether of aliphatic polyhydric alcohol are liquid. Since it is difficult to volatilize, it is easy to handle and preferable.
- curing agent component is not specifically limited as long as a predetermined
- the curing accelerator can be appropriately used as long as the effect of the present invention is not impaired.
- tertiary amines such as benzyldimethylamine, tris (dimethylaminomethyl) phenol, dimethylcyclohexylamine; 1-cyanoethyl-2-ethyl-4-methylimidazole, 2-ethyl-4-methylimidazole, 1-benzyl- Imidazoles such as 2-methylimidazole; organic phosphorus compounds such as triphenylphosphine and triphenyl phosphite; quaternary phosphonium salts such as tetraphenylphosphonium bromide, tetra-n-butylphosphonium bromide and triphenylbenzylphosphonium bromide; Diazabicycloalkenes such as 1,8
- high melting point dispersion type latent accelerators such as high melting point imidazole compounds, dicyandiamide and amine addition accelerators in which amines are added to epoxy resins, etc .; the surface of imidazole, phosphorus and phosphine accelerators are coated with a polymer Microcapsule type latent accelerators; amine salt type latent curing accelerators; latent curing accelerators such as high temperature dissociation type thermal cationic polymerization type latent curing accelerators such as Lewis acid salts and Bronsted acid salts are also used. be able to.
- curing accelerators can be used alone or in admixture of two or more.
- the use of a curing accelerator is optional, but the amount used is preferably 0 to 3 parts by mass, preferably 0.1 to 3 parts by mass with respect to 100 parts by mass in total of the component having an epoxy group and the curing agent component. More preferably, it is 0.1 to 1 part by mass.
- thermosetting resin composition of the present invention includes an aliphatic or aromatic carboxylic acid, a carbon dioxide generation inhibitor such as a phenol compound; a flexibility imparting agent such as polyalkylene glycol; an antioxidant; Plasticizers; Lubricants; Silane-based coupling agents; Surface treatment agents for inorganic fillers; Flame retardants; Antistatic agents; Colorants; Leveling agents; Ion trap agents; Impact modifiers such as thixotropic agents, surfactants, surface tension reducing agents, antifoaming agents, anti-settling agents, light diffusing agents, ultraviolet absorbers, antioxidants, mold release agents, fluorescent agents, and conductive agents Filler: A thermosetting resin composition capable of obtaining an additive such as a low-viscosity solvent for viscosity adjustment and the properties of the cured product can be blended within a range that does not impair the properties.
- thermosetting resin composition of the present invention can be obtained by uniformly mixing the above components, but these components may be dissolved in an appropriate solvent as necessary.
- examples of the solvent include ketones such as methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, and isophorone; ethers such as ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, and dioxane; methanol, ethanol, 1-propanol, 2-propanol, 1-methoxy- Alcohols such as 2-propanol; aliphatic polyols such as ethylene glycol and propylene glycol; ethylene glycol-1-monomethyl ether-2-acetate, ethylene glycol-1-monoethyl ether-2-acetate, propylene glycol-1- Use acetates such as monomethyl ether-2-acetate and propylene glycol-1-monoethyl ether-2-acetate It can be.
- ketones such as methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, and isophorone
- methanol, ethanol, 1-propanol, 2-propanol, 1-methoxy-2-propanol, and propylene glycol-1-monomethyl ether-2-acetate are preferable from the viewpoints of solubility and coatability.
- thermosetting resin composition of the present invention are mixed and the solid content concentration of the thermosetting resin composition are not particularly limited, and may be appropriately selected depending on the purpose of use or the coating method on the substrate.
- the total concentration of the epoxy group-containing component, the curing agent component and the curing accelerator is preferably 10 to 60% by mass, more preferably 20 to 60% by mass.
- a surface protective layer (cured product) can be formed by applying the thermosetting resin composition (composition for protective layer) of the present invention to at least a part of the surface of the substrate and curing it on the substrate.
- a laminate whose surface is protected with an object is obtained.
- a coating method on the substrate a spray method, a spin coat method, a roll coater method, a printing method, or the like can be arbitrarily used.
- the curing method is not particularly limited, and a conventionally known curing apparatus such as a closed curing furnace or a tunnel furnace capable of continuous curing can be employed.
- the heating method is not particularly limited, and can be performed by a conventionally known method such as hot air circulation, infrared heating, high frequency heating and the like.
- the curing temperature and curing time are preferably in the range of 80 ° C. to 250 ° C. and 30 seconds to 10 hours. If you want to reduce the internal stress of the cured product, pre-cure at 80 to 120 ° C for 0.5 to 5 hours, then post-cure at 120 to 180 ° C for 0.1 to 5 hours. Is preferred.
- curing is preferably performed under conditions of 150 to 250 ° C. and 30 seconds to 30 minutes.
- thermosetting resin composition of the present invention can be easily applied to a substrate at any thickness by an arbitrary method on a substrate, and the surface hardness, solvent resistance, transparency, base, and the like by heat drying.
- a surface protective layer excellent in adhesion to the material, smoothness, toughness, heat resistance, and light resistance can be easily obtained.
- the thickness of the surface protective layer is preferably 3 to 50 ⁇ m, depending on the use of the laminate. If it is 3 ⁇ m or more, the effect of improving the hardness appears, and if it is 50 ⁇ m or less, the surface protective layer does not easily crack even if the substrate is curved.
- Examples of the material of the base material to be protected by the surface protective layer of the present invention include polycarbonate, polyethylene terephthalate, polystyrene, MS resin (methyl methacrylate-styrene copolymer resin), cyclic polyolefin and the like.
- the shape and thickness of the substrate are not particularly limited.
- thermosetting resin composition of the present invention is a front plate for a display that requires high hardness, an automobile window material that is required to have high hardness, high solvent resistance, high light resistance, etc. when exposed to an outdoor environment. It is particularly useful for forming a surface protective layer.
- Pencil Hardness According to JIS K 5400, the pencil hardness of the surface protective layer was measured using pencil scratching. That is, on a polycarbonate sheet having a surface protective layer to be measured, a pencil was applied at a 45 degree angle and a 1 kg load was applied from above to scratch about 5 mm to confirm the degree of scratches. The hardness of the hardest pencil that did not cause scratches was taken as the pencil hardness.
- Solvent resistance 2-propanol (IPA), N-methylpyrrolidone (NMP), or methyl ethyl ketone (MEK) at 25 ° C. was dropped onto the surface protective layer on the polycarbonate sheet.
- a solvent dropped by an O-ring or glass plate that is not affected by these solvents was enclosed so that the solvent did not volatilize. The appearance change was visually observed after 15 minutes.
- the surface protective layer was designated as A, the surface was changed, but the surface polycarbonate was not changed to B, and the base material polycarbonate was treated as C.
- Adhesiveness According to JIS K 5600, the surface protective layer on the polycarbonate sheet is cut into 6 vertical and horizontal cuts at 1 mm intervals to make 25 grids, and the cellophane adhesive tape is adhered to the surface and then peeled off at once. The number of squares remaining without peeling off was evaluated. The one that remained without peeling off all the squares was designated as A.
- Example 1 24.5 parts by mass of cyclohexane-1,2,4-tricarboxylic acid-1,2-anhydride (Mitsubishi Gas Chemical Co., Ltd.), bisphenol A type epoxy resin (jER828, Japan Epoxy Resin Co., Ltd.), epoxy equivalent 187) 50.6 parts by mass and 0.27 parts by mass of triphenylbenzylphosphonium bromide (U-CAT5003 manufactured by San Apro Co., Ltd.) were mixed and diluted to 50% by mass using 1-methoxy-2-propanol as a solvent. A thermosetting resin composition for the protective layer was obtained. This composition was applied onto a polycarbonate sheet (Mitsubishi Gas Chemical Co., Ltd.
- Iupilon NF-2000, 1.5 mm thickness using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours to a thickness of about 10 ⁇ m.
- a polycarbonate sheet having a thick surface protective layer was obtained. The above test was performed on this sheet.
- Example 2 26.5 parts by mass of cyclohexane-1,2,4-tricarboxylic acid-1,2-anhydride (Mitsubishi Gas Chemical Co., Ltd.) and alicyclic epoxy resin (3,4-epoxycyclohexylmethyl-3 ′, 4′-epoxycyclohexanecarboxylate: 48.3 parts by mass of CEL2021P manufactured by Daicel Chemical Industries, Ltd. and 0.33 part of triphenylbenzylphosphonium bromide (U-CAT5003 manufactured by San Apro Co., Ltd.) were mixed, and propylene glycol-1 -A thermosetting resin composition for a protective layer was obtained by diluting to 50% by mass using monomethyl ether-2-acetate as a solvent.
- alicyclic epoxy resin (3,4-epoxycyclohexylmethyl-3 ′, 4′-epoxycyclohexanecarboxylate: 48.3 parts by mass of CEL2021P manufactured by Daicel Chemical Industries, Ltd
- This composition was applied onto a polycarbonate sheet (Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness) using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours to a thickness of about 10 ⁇ m. A polycarbonate sheet having a thick surface protective layer was obtained. The above test was performed on this sheet.
- a polycarbonate sheet Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness
- Example 3 24.5 parts by mass of cyclohexane-1,2,4-tricarboxylic acid-1,2-anhydride (Mitsubishi Gas Chemical Co., Ltd.) and hydrogenated bisphenol A epoxy resin (Japan Epoxy Resin Co., Ltd.) YX8000 manufactured, epoxy equivalent 205) 56.3 parts by mass, 0.27 parts by mass of triphenylbenzylphosphonium bromide (U-CAT5003 manufactured by San Apro Co., Ltd.) were mixed, and 50 masses using 1-methoxy-2-propanol as a solvent. % To obtain a thermosetting resin composition for a protective layer.
- This composition was coated on a polycarbonate sheet (Iupilon NF-2000, Mitsubishi Gas Chemical Co., Ltd., 1.5 mm thickness) using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours. A polycarbonate sheet having a 10 ⁇ m thick surface protective layer was obtained. The above test was performed on this sheet.
- a polycarbonate sheet Iupilon NF-2000, Mitsubishi Gas Chemical Co., Ltd., 1.5 mm thickness
- Comparative Example 1 Acrylic resin (Parapet HR-L manufactured by Kuraray Co., Ltd.) was dissolved in 1-methoxy-2-propanol to obtain a 10% by mass solution. This solution was applied on a polycarbonate sheet (Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness) using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours to a thickness of about 10 ⁇ m. A polycarbonate sheet having a surface protective layer was obtained. The above test was performed on this sheet.
- a polycarbonate sheet Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness
- Comparative Example 2 33.5 parts by mass of a mixture of hexahydrophthalic anhydride and methylhexahydrophthalic anhydride (MH700G manufactured by Shin Nippon Rika Co., Ltd.) and bisphenol A type epoxy resin (jER828 manufactured by Japan Epoxy Resins Co., Ltd., epoxy equivalent 187) 41.3 parts by mass and 0.22 parts by mass of triphenylbenzylphosphonium bromine salt (U-CAT5003 manufactured by San Apro Co., Ltd.) were mixed and diluted to 50% by mass using 1-methoxy-2-propanol as a solvent, and a protective layer A thermosetting resin composition was obtained. This composition was applied onto a polycarbonate sheet (Mitsubishi Gas Chemical Co., Ltd.
- Iupilon NF-2000, 1.5 mm thickness using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours to a thickness of about 10 ⁇ m.
- a polycarbonate sheet having a thick surface protective layer was obtained. The above test was performed on this sheet.
- Comparative Example 3 33.5 parts by mass of a mixture of hexahydrophthalic anhydride and methylhexahydrophthalic anhydride (MH700G, manufactured by Shin Nippon Rika Co., Ltd.) and a nuclear hydrogenated product of bisphenol A type epoxy resin (YX8000 manufactured by Japan Epoxy Resin Co., Ltd.) , Epoxy equivalent 205) 45.3 parts by mass and 0.22 parts by mass of triphenylbenzylphosphonium bromide (U-CAT5003 manufactured by San Apro Co., Ltd.) were mixed to make 50% by mass using 1-methoxy-2-propanol as a solvent. Dilution was performed to obtain a thermosetting resin composition for the protective layer.
- MH700G manufactured by Shin Nippon Rika Co., Ltd.
- YX8000 manufactured by Japan Epoxy Resin Co., Ltd.
- U-CAT5003 triphenylbenzylphosphonium bromide
- This composition was applied onto a polycarbonate sheet (Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness) using a bar coater, and heated and cured in a hot air dryer at 120 ° C. for 3 hours to a thickness of about 10 ⁇ m. A polycarbonate sheet having a thick surface protective layer was obtained. The above test was performed on this sheet.
- a polycarbonate sheet Mitsubishi Gas Chemical Co., Ltd. Iupilon NF-2000, 1.5 mm thickness
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Abstract
Description
JIS K 5400に従い、鉛筆引っかきを用いて、表面保護層の鉛筆硬度を測定した。即ち、測定する表面保護層を有するポリカーボネートシート上に、鉛筆を45度の角度で、上から1kgの荷重をかけ5mm程度引っかき、傷の付き具合を確認した。傷を生じなかった最も硬い鉛筆の硬度を鉛筆硬度とした。
25℃の2-プロパノール(IPA)、N-メチルピロリドン(NMP)、又は、メチルエチルケトン(MEK)を、ポリカーボネートシート上の表面保護層に滴下した。これらの溶剤に侵されないOリングやガラス板で滴下した溶剤を囲み溶剤が揮発しないようにした。15分経過の後に外観の変化を目視にて観察した。
表面保護層に変化のないものをA、表面が変化しているが基材のポリカーボネートまで変化が及んでいないものをB、基材のポリカーボネートまで及んでいるものをCとした。
JIS K 5600に従い、ポリカーボネートシート上の表面保護層に1mm間隔で縦、横6本の切れ目を入れて25個の碁盤目を作り、セロハン粘着テープをその表面に密着させた後、一気に剥がしたときに剥離せずに残存したます目の個数で評価した。全てのます目がはく離せずに残ったものをAとした。
ポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)に対し鉛筆硬度を評価した。
シクロヘキサン-1,2,4-トリカルボン酸-1,2-無水物(三菱ガス化学(株)製)24.5質量部と、ビスフェノールA型エポキシ樹脂(ジャパンエポキシレジン(株)製jER828、エポキシ当量187)50.6質量部、トリフェニルベンジルホスホニウム臭素塩(サンアプロ(株)製U-CAT5003)0.27質量部を混合し、1-メトキシ-2-プロパノールを溶媒として50質量%に希釈して保護層用熱硬化性樹脂組成物を得た。
この組成物をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗布し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
シクロヘキサン-1,2,4-トリカルボン酸-1,2-無水物(三菱ガス化学(株)製)26.5質量部と、脂環式エポキシ樹脂(3,4-エポキシシクロヘキシルメチル-3’,4’-エポキシシクロヘキサンカルボキシレート:ダイセル化学工業株式会社製 CEL2021P)48.3質量部、トリフェニルベンジルホスホニウム臭素塩(サンアプロ(株)製U-CAT5003)0.33部を混合し、プロピレングリコール-1-モノメチルエーテル-2-アセテートを溶媒として50質量%に希釈して保護層用熱硬化性樹脂組成物を得た。
この組成物をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗布し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
シクロヘキサン-1,2,4-トリカルボン酸-1,2-無水物(三菱ガス化学(株)製)24.5質量部と、ビスフェノールA型エポキシ樹脂の核水添化物(ジャパンエポキシレジン(株)製YX8000、エポキシ当量205)56.3質量部、トリフェニルベンジルホスホニウム臭素塩(サンアプロ(株)製U-CAT5003)0.27質量部を混合し、1-メトキシ-2-プロパノールを溶媒として50質量%に希釈して保護層用熱硬化性樹脂組成物を得た。
この組成物をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗工し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
アクリル樹脂((株)クラレ製パラペットHR-L)を1-メトキシ-2-プロパノールに溶解し10質量%の溶液を得た。この溶液をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗布し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
ヘキサヒドロ無水フタル酸およびメチルヘキサヒドロ無水フタル酸の混合物(新日本理化(株)社製 MH700G)33.5質量部と、ビスフェノールA型エポキシ樹脂(ジャパンエポキシレジン(株)製jER828、エポキシ当量187)41.3質量部、トリフェニルベンジルホスホニウム臭素塩(サンアプロ(株)製U-CAT5003)0.22質量部を混合し、1-メトキシ-2-プロパノールを溶媒として50質量%に希釈して保護層用熱硬化性樹脂組成物を得た。
この組成物をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗布し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
ヘキサヒドロ無水フタル酸およびメチルヘキサヒドロ無水フタル酸の混合物(新日本理化(株)社製 MH700G)33.5質量部と、ビスフェノールA型エポキシ樹脂の核水添化物(ジャパンエポキシレジン(株)製YX8000、エポキシ当量205)45.3質量部、トリフェニルベンジルホスホニウム臭素塩(サンアプロ(株)製U-CAT5003)0.22質量部を混合し、1-メトキシ-2-プロパノールを溶媒として50質量%に希釈して保護層用熱硬化性樹脂組成物を得た。
この組成物をポリカーボネートシート(三菱ガス化学(株)製ユーピロンNF-2000、1.5mm厚)上にバーコータをもちいて塗布し、熱風乾燥器内にて120℃、3時間加熱硬化して約10μm厚の表面保護層を有するポリカーボネートシートを得た。このシートに対し先述の試験を実施した。
Claims (9)
- エポキシ基を有する成分と、シクロヘキサントリカルボン酸無水物を含有する硬化剤成分を含むことを特徴とする表面保護層用の熱硬化性樹脂組成物。
- 前記シクロヘキサントリカルボン酸無水物がシクロヘキサン-1,2,4-トリカルボン酸-1,2-無水物である請求項1に記載の熱硬化性樹脂組成物。
- エポキシ基1当量に対する硬化剤量が、酸無水物基1モルを1当量、カルボキシル基1モルを1当量として、0.1~2当量である請求項1または2に記載の熱硬化性樹脂組成物。
- アルコール、エステルおよびケトンのうちから選ばれる1種類以上の有機溶剤を更に含む請求項1~3のいずれか1項に記載の熱硬化性樹脂組成物。
- 前記有機溶剤がメタノール、エタノール、1-プロパノール、2-プロパノール、1-メトキシ-2-プロパノールおよびプロピレングリコール-1-モノメチルエーテル-2-アセテートのうちから選ばれる1種類以上である請求項4に記載の熱硬化性樹脂組成物。
- 請求項1~5のいずれか1項に記載の熱硬化性樹脂組成物を硬化させた硬化物。
- 請求項6に記載の硬化物からなる表面保護層を有する積層物。
- 前記積層物がディスプレー用前面板または自動車窓材である請求項7に記載の積層物。
- 基材表面の少なくとも一部に、請求項1~5のいずれか1項に記載の熱硬化性樹脂組成物を塗布し、次いで、塗布した熱硬化性樹脂組成物を硬化させて該基材上に表面保護層を形成することを特徴とする基材表面の保護方法。
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US13/389,972 US9028911B2 (en) | 2009-08-10 | 2010-08-06 | Thermosetting resin composition for surface protection layers |
CN2010800356529A CN102471463A (zh) | 2009-08-10 | 2010-08-06 | 表面保护层用热固性树脂组合物 |
KR1020127003675A KR20120061832A (ko) | 2009-08-10 | 2010-08-06 | 표면 보호층용 열경화성 수지 조성물 |
EP10808186.0A EP2465887A4 (en) | 2009-08-10 | 2010-08-06 | THERMOSETTING RESIN COMPOSITION FOR SURFACE PROTECTION LAYERS |
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WO2014103759A1 (ja) * | 2012-12-28 | 2014-07-03 | 三菱瓦斯化学株式会社 | 樹脂組成物、プリプレグ及びフィルム |
JP2014162877A (ja) * | 2013-02-26 | 2014-09-08 | Kyocera Chemical Corp | 光半導体ケース成形用樹脂組成物及び光半導体用ケース |
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WO2021024978A1 (ja) * | 2019-08-06 | 2021-02-11 | 昭和電工株式会社 | プライマー付き熱可塑性樹脂材及び樹脂-樹脂接合体 |
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EP2465887A1 (en) | 2012-06-20 |
TW201107364A (en) | 2011-03-01 |
JP5741436B2 (ja) | 2015-07-01 |
TWI494343B (zh) | 2015-08-01 |
KR20120061832A (ko) | 2012-06-13 |
JPWO2011019003A1 (ja) | 2013-01-17 |
US9028911B2 (en) | 2015-05-12 |
US20120142822A1 (en) | 2012-06-07 |
EP2465887A4 (en) | 2015-12-23 |
CN102471463A (zh) | 2012-05-23 |
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