CN109135188A - A kind of pultrusion epoxy-resin systems and its composite material of preparation - Google Patents
A kind of pultrusion epoxy-resin systems and its composite material of preparation Download PDFInfo
- Publication number
- CN109135188A CN109135188A CN201810821501.4A CN201810821501A CN109135188A CN 109135188 A CN109135188 A CN 109135188A CN 201810821501 A CN201810821501 A CN 201810821501A CN 109135188 A CN109135188 A CN 109135188A
- Authority
- CN
- China
- Prior art keywords
- epoxy
- parts
- weight
- pultrusion
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to epoxy resin fields, and in particular to a kind of pultrusion epoxy-resin systems include following components: 100 parts by weight of epoxy resin；30~60 parts by weight of Isocyanates curing agent；2~10 parts by weight of fluoro epoxide.Also contain 30~60 parts by weight of amine curing agent, 1~10 parts by weight of silicon-fluorine polymer object, 1~10 parts by weight of promotor.The present invention also provides a kind of epoxy resin composite materials, and pultrusion is prepared with epoxy-resin systems according to the present invention.Pultrusion of the invention has higher solidification rate with epoxy-resin systems, for that can greatly improve hauling speed in pultrusion molding process, to improve working efficiency.The epoxy resin product excellent in mechanical performance that the present invention is prepared simultaneously, good toughness.
Description
Technical field
The present invention relates to epoxy resin fields, and in particular to a kind of pultrusion epoxy-resin systems.
Background technique
Epoxy resin is excellent thermosetting resin, it is compared with unsaturated polyester resin, with more excellent physical
Energy, electrical insulation capability, resistance to chemical corrosion, heat-resisting and bond properties are a kind of current most universal, most important basis materials
And structural material.
Formed by extrusion and tension is important one of the processing method of fibre-reinforced thermosetting plastic, fixed not for producing section configuration
Become, the unrestricted profile of length.Formed by extrusion and tension technique is the heated die drawing of the continuous fiber of impregnating resin glue, then
Resin is set further to solidify the unidirectional high-intensitive continuous reinforced plastic profile prepared by heating room again.
The epoxy resin carbon fiber reinforcing material of formed by extrusion and tension technique preparation generally will appear following problem: if (1) epoxy
Resin solidification rate is too fast, then will appear local crosslinking, causes material crisp；(2) if epoxy resin cure rate is excessively slow,
It is possible that epoxy resin cure is incomplete, sample is during curling, storage the case where meeting stress cracking.So needing root
According to the solidification rate of epoxy resin, suitable mold temperature and hauling speed are selected.In order to further increase production efficiency, improve
Hauling speed needs epoxy resin to have the characteristics that curing rate is fast, while still keeping high-intensitive and high tenacity.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of pultrusion epoxy-resin systems, include following components:
100 parts by weight of epoxy resin, 30~60 parts by weight of Isocyanates curing agent, 2~10 parts by weight of fluoro epoxide.
Wherein, epoxy resin is the thermosetting resin containing more than two epoxy groups in molecule, by classification of chemical structure,
Glycidol ethers, such as bisphenol A-type, bisphenol-f type, bisphenol S type, hydrogenated bisphenol A type, phenol aldehyde type can be divided into；Glycidol
Esters, such as o-phthalic acid diglycidyl ester class；Glycidol amine, such as four glycidol diaminodiphenyl-methanes；
Cycloaliphatic epoxy resin class, epoxidation of olefins class etc..
Curing agent refers to the compound that epoxy resin can be made to be cured reaction, can be divided into polyaddition type by reaction type, urge
The types such as change type.Polyaddition type, such as polynary amine type, acid anhydrides type, phenol aldehyde type, polyester resin type, liquid polyurethane and polysulfide alcohol type；
Catalytic type, such as anionic catalytic type and cationic catalysts type.
Isocyanate curing agent refers to the substance that molecule contains two or more isocyanate groups, according in molecule
Isocyanate group quantity can be divided into diisocyanate curing agent and polyisocyanate curing agent.Isocyanate curing agent has
The characteristics of solidification temperature is low, solidification rate is fast and epoxy resin product good toughness after solidifying.
Further, the Isocyanates curing agent is 4,4 '-methylene, two (2,6- diethyl phenyl isocyanic acids
Ester), lysine diisocyanate, the diisocyanate terminated polypropylene glycol of tolyl -2,4- or the chloro- 6- methyl metaphenylene two of 4-
One of isocyanates is a variety of.
Preferably, the Isocyanates curing agent is the diisocyanate terminated polypropylene glycol of tolyl -2,4- and 4-
The mixture of chloro- 6- methyl metaphenylene diisocyanate, and tolyl -2,4- is diisocyanate terminated in the mixture
The mass fraction of polypropylene glycol is 25%~60%.Further preferably tolyl -2,4- diisocyanate in the mixture
The mass fraction of terminated polypropylene glycol is 35%~55%.
Fluoro epoxide refers to the compound in molecule containing fluorine element and epoxy-functional.Fluoro epoxide
The viscosity that can react and effectively reduce epoxy resin and Isocyanates curing agent with Isocyanates curing agent, makes
Epoxy resin cure is more uniform, it is not easy to the problem of partial cross-linking occurs；The chemistry of epoxy-resin systems can be improved simultaneously
Inertia and thermal stability.The fluoro epoxide is preferably trifluoro-epoxy propane, 1,4- bis- (2 ', 3 '-glycidyl)
Perfluorinated butane, 2,2'- (12 fluoro-octane -1,8- diyl of 2,2,3,3,4,4,5,5,6,6,7,7-) bis- (ethylene oxide), 3- (2,
2,3,3- tetrafluoro propoxyl group) one of -1,2- propylene oxide or 3- (1H, 1H, 5H- octafluoro amoxy) -1,2- propylene oxide
Or a variety of, more preferably (2 ', the 3 '-glycidyl) perfluorinated butane of Isosorbide-5-Nitrae-two and 3- (1H, 1H, 5H- octafluoro amoxy) -1,2- oxygen
Change propylene mixture, and in mixture Isosorbide-5-Nitrae-two (2 ', 3 '-glycidyl) perfluorinated butane mass fraction be 20%~
50%.The mass fraction of 1,4- bis- (2 ', 3 '-glycidyl) perfluorinated butane is 30%~40% in further preferred mixture.
Further, the molecular weight of the fluoro epoxide is 250~400.Inventors have found that in this molecule
Measure range in fluoro epoxide, can effectively reduce epoxy resin and Isocyanates curing agent viscosity and
Guarantee that the epoxy resin product after solidifying has very high intensity.
It further, include following components: 100 weight of epoxy resin in the pultrusion epoxy-resin systems
Part, 40~50 parts by weight of Isocyanates curing agent, 4~8 parts by weight of fluoro epoxide.
Further, in terms of 100 parts by weight of epoxy resin, also contain amine in the pultrusion epoxy-resin systems
30~60 parts by weight of class curing agent.Amine curing agent can be further improved epoxy resin solidification rate and solidification after asphalt mixtures modified by epoxy resin
The intensity of fat prod.Amine-type cure agent content is very little, and solidification rate is slower；Amine-type cure agent content is too many, epoxy resin product
Toughness it is poor.Preferably, in terms of 100 parts by weight of epoxy resin, also contain in the pultrusion epoxy-resin systems
40~50 parts by weight of amine curing agent.
Further, the amine curing agent is N- aminoethyl piperazine, diamino diphenyl sulfone, 2- (trifluoromethyl)-
One of 1,4- phenylenediamine, 5- (trifluoromethyl) -1,3- phenylenediamine or adipic dihydrazide are a variety of.
It further, also include fluorine in the pultrusion epoxy-resin systems in terms of 100 parts by weight of epoxy resin
1~10 parts by weight of silicon polymer.Silicon-fluorine polymer object refers to the high molecular polymer in molecule containing fluorine element and element silicon, it can
To improve the intensity and weatherability of epoxy resin product, and within the scope of this parts by weight, silicon-fluorine polymer object is to epoxy resin
Comprehensive performance improves maximum.Preferably, in terms of 100 parts by weight of epoxy resin, in the pultrusion epoxy-resin systems
Also 3~7 parts by weight of packet fluorine silicon contained polymer.
Further, the silicon-fluorine polymer object is poly- trifluoro propyl hydrosiloxane or trifluompropyl methyl polysiloxane
One or both of.
Further, in terms of 100 parts by weight of epoxy resin, also containing rush in the pultrusion epoxy-resin systems
Into 1~10 parts by weight of agent.The promotor, which refers to, can reduce epoxy resin cure reaction temperature, shorten the curing reaction time
Substance.Nucleophilic form such as phenol, carboxylic acid, alcohol and water etc. can be divided by reaction mechanism, electrophilic type such as lewis acid, carboxylate metal salt form is such as
Manganese, cobalt, zinc, calcium and lead carboxylate.After accelerator content is greater than 10 parts by weight, solidification rate can not be significantly improved,
But the intensity and toughness of epoxy resin cure product can be reduced.Preferably, in terms of 100 parts by weight of epoxy resin, the pultrusion
It also include 2~6 parts by weight of promotor in molding epoxy-resin systems.
Preferably, the promotor is sodium iso-octoate, odium stearate, Stearyl Amine, magnesium citrate, lemon acid amide, cream
One of sour ammonium, iron ammonium sulfate, ammonium oxalate, magnesium acetate, sodium acetate, ammonium tartrate or ammonium acetate are a variety of.It is preferably hard
One of resin acid amine, ammonium oxalate, ammonium lactate, ammonium tartrate, lemon acid amide or ammonium acetate are a variety of.
Epoxy-resin systems of the invention are simply mixed by above-mentioned raw materials according to proportion of the present invention, and stirring is equal
It is even both to can be obtained, it can be known any preparation method.
Further, the present invention provides a kind of epoxy resin composite materials, by above-mentioned pultrusion epoxy resin
System is prepared.Epoxy resin composite material, which refers to, obtains plastics by above-mentioned epoxy-resin systems wetting fibre material and solidification
Product.Wherein fibrous material can choose any one known to carbon fiber, glass fibre, polyester fiber, aromatic polyamide fibre etc.
Kind fibrous material.
Further, contain carbon fiber in the epoxy resin composite material.Carbon fiber refers to by polyacrylonitrile, drip
The raw materials such as blueness, phenolic aldehyde, viscose are made by spinning, oxidation, carbonization and starching, include carbon fiber wire, carbon fiber bundle, be chopped carbon
The various forms product such as fiber, carbon cloth.
Pultrusion of the invention has higher solidification rate with epoxy-resin systems, and being used for can in pultrusion molding process
To greatly improve hauling speed, to improve working efficiency.The epoxy resin product mechanical property that the present invention is prepared simultaneously
It is excellent, good toughness.
Specific embodiment
Below by embodiment further illustrate the present invention, therefore do not limit the present invention to the scope of embodiments it
In.The techniques implemented on the basis of the foregoing are all within the scope of the present invention.For those skilled in the art
Speech, other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this
Invention is not limited to specific details.
Test item and its measuring method of the present invention are as follows, and unless otherwise instructed, each test all carries out at 25 DEG C.
1, it tensile strength and elongation at break: is measured by GB/T1447-2005, sample is cut into II type sample, sample ruler
Very little is long 250mm × wide 25mm × thickness 4mm, rate of extension 2mm/min.
2, it bending strength: is measured by GB/T1449-2005, sample size long 100mm, thick 4mm, test speed 10mm/min.
The embodiment of the present invention is raw materials used:
<epoxy resin>
A: bisphenol A epoxide resin, HongChang Electronic Materials Co., Ltd produce GELR127, epoxide equivalent 180g/eq, glue
Spend 8000mPas.
<Isocyanates curing agent>
B1: lysine diisocyanate, Aldrich chemical reagents corporation produce；
B2: the diisocyanate terminated polypropylene glycol of tolyl -2,4-, Aldrich chemical reagents corporation produce；
The chloro- 6- methyl metaphenylene diisocyanate of B3:4-, Aldrich chemical reagents corporation produce, number-average molecular weight 2300；
<fluoro epoxide>
C1:2,2'- (2,2,3,3,4,4,5,5,6,6,7,7- ten two fluoro-octane -1,8- diyl) bis- (ethylene oxide), point
Son amount 414；
C2:3- (2,2,3,3- tetrafluoro propoxyl group) -1,2- propylene oxide, Aldrich chemical reagents corporation produce, molecular weight 188；
C3:1,4- bis- (2 ', 3 '-glycidyl) perfluorinated butane, molecular weight 314；
C4:3- (1H, 1H, 5H- octafluoro amoxy) -1,2- propylene oxide, Aldrich chemical reagents corporation produce, molecular weight 288.
<amine curing agent>
D1:2- (trifluoromethyl)-Isosorbide-5-Nitrae-phenylenediamine, Aldrich chemical reagents corporation produce；
D2:5- (trifluoromethyl) -1,3- phenylenediamine, Aldrich chemical reagents corporation produce.
<fluorine silicon contained polymer>
E1: poly- trifluoro propyl hydrosiloxane, Zhejiang Huanxin Fluorine Material Co., Ltd. produce；
E2: trifluompropyl methyl polysiloxane, Zhejiang Huanxin Fluorine Material Co., Ltd. produce.
<promotor>
F1: sodium citrate, Aldrich chemical reagents corporation produce；
F2: ammonium citrate, Aldrich chemical reagents corporation produce.
Embodiment 1~18
The epoxy resin A of 100 parts by weight is mixed with the raw material of each embodiment and its parts by weight shown in table 1, stirring is equal
It is even to obtain pultrusion epoxy-resin systems of the invention.
Table 1: the raw material and its parts by weight of each embodiment
Note: "/" indicates not containing the substance, is the mass ratio of each raw material in mixture in bracket.
Comparative example 1
According to the raw material and formula of embodiment 18, Isocyanates curing agent and fluoro epoxide are not added, other
Substance and parts by weight are constant, and corresponding epoxy-resin systems are prepared by the same way.
Comparative example 2
According to the raw material and formula of embodiment 18, Isocyanates curing agent is not added, other substances and parts by weight are constant,
Corresponding epoxy-resin systems are prepared by the same way.
Epoxy resin body is prepared in carbon fiber filament (toray produces T300-1000) and embodiment and comparative example
System, the board samples of wide 25mm, thickness 4mm are prepared according to pultrusion molding process.The hopper temperature 50 C of pultrusion molding process,
The impregnation time is 15s, and preforming tool temperature is 100 DEG C, and molding die temperature is 150 DEG C, draw-down rate 2m/min.
Epoxy resin body is prepared in carbon fiber filament (toray produces T300-1000) and embodiment and comparative example
System, the board samples of wide 25mm, thickness 4mm are prepared according to pultrusion molding process.The hopper temperature 50 C of pultrusion molding process,
The impregnation time is 15s, and preforming tool temperature is 100 DEG C, and molding die temperature is 150 DEG C, draw-down rate 10m/min.
By the mechanical property of obtained epoxy resin plate sample measuring method measurement sample according to the invention, measurement knot
Fruit is as shown in table 2 below.
2 mechanics performance determining result of table
From table 2 it can be seen that the epoxy-resin systems of the embodiment of the present invention under the normal traction rate of 2m/min and
The excellent in mechanical performance for the carbon-fibre reinforced epoxy resin plate that under the high draw-down rate of 10m/min prepared by pultrusion molding process,
Bending strength is high, good toughness.And compared with comparative example, epoxy-resin systems of the invention are under the high draw-down rate of 10m/min
The mechanical property of the carbon-fibre reinforced epoxy resin plate of pultrusion molding process preparation is more outstanding, can apply to high draw-down rate
Pultrusion molding process, improve pultrusion molding process epoxy resin product production efficiency, save time and cost.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of pultrusion epoxy-resin systems, it is characterised in that: include following components:
100 parts by weight of epoxy resin；
30~60 parts by weight of Isocyanates curing agent；
2~10 parts by weight of fluoro epoxide.
2. pultrusion epoxy-resin systems according to claim 1, it is characterised in that: the isocyanates is solid
Agent is 4,4 '-methylene two (2,6- diethylbenzene based isocyanate), lysine diisocyanate, tolyl -2,4- two different
One of cyanate terminated polypropylene glycol or the chloro- 6- methyl metaphenylene diisocyanate of 4- are a variety of.
3. pultrusion epoxy-resin systems according to claim 1, it is characterised in that: the fluorine-containing epoxy compound
The molecular weight of object is 250~400.
4. described in any item pultrusion epoxy-resin systems according to claim 1~3, it is characterised in that: with asphalt mixtures modified by epoxy resin
100 parts by weight meter of rouge also contains 30~60 parts by weight of amine curing agent.
5. pultrusion epoxy-resin systems according to claim 4, it is characterised in that: the amine curing agent is
N- aminoethyl piperazine, diamino diphenyl sulfone, bis- (4- aminocyclohexane) methane, 2- (trifluoromethyl) -1,4- phenylenediamine,
One of 5- (trifluoromethyl) -1,3- phenylenediamine or adipic dihydrazide are a variety of.
6. described in any item pultrusion epoxy-resin systems according to claim 1~3, it is characterised in that: with asphalt mixtures modified by epoxy resin
100 parts by weight meter of rouge, also 1~10 parts by weight of packet fluorine silicon contained polymer.
7. pultrusion epoxy-resin systems according to claim 5, it is characterised in that: the silicon-fluorine polymer object is
One or both of poly- trifluoro propyl hydrosiloxane or trifluompropyl methyl polysiloxane.
8. described in any item pultrusion epoxy-resin systems according to claim 1~3, it is characterised in that: with asphalt mixtures modified by epoxy resin
100 parts by weight meter of rouge also includes 1~10 parts by weight of promotor.
9. a kind of epoxy resin composite material, described in any item pultrusion epoxy-resin systems according to claim 1~8
It is prepared.
10. epoxy resin composite material according to claim 9, it is characterised in that: contain carbon fiber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821501.4A CN109135188A (en) | 2018-07-24 | 2018-07-24 | A kind of pultrusion epoxy-resin systems and its composite material of preparation |
| PCT/CN2018/111590 WO2020019546A1 (en) | 2018-07-24 | 2018-10-24 | Epoxy resin system used for pultrusion molding and composite material prepared thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821501.4A CN109135188A (en) | 2018-07-24 | 2018-07-24 | A kind of pultrusion epoxy-resin systems and its composite material of preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109135188A true CN109135188A (en) | 2019-01-04 |
Family
ID=64797658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821501.4A Pending CN109135188A (en) | 2018-07-24 | 2018-07-24 | A kind of pultrusion epoxy-resin systems and its composite material of preparation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109135188A (en) |
| WO (1) | WO2020019546A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126195A (en) * | 2020-09-17 | 2020-12-25 | 广西长城机械股份有限公司 | Composite resin plate, preparation method and application thereof in preparation of EPS foam-resin composite die |
| CN112482679A (en) * | 2020-12-01 | 2021-03-12 | 南通德瑞森复合材料有限公司 | High-strength anti-skidding glass fiber reinforced plastic stair step |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6447913B1 (en) * | 1999-06-23 | 2002-09-10 | Polyplastics Co., Ltd | Thermoplastic polyester resin composition |
| CN102076735A (en) * | 2008-06-25 | 2011-05-25 | 东邦特耐克丝株式会社 | Epoxy resin composition and prepreg using same |
| CN107556701A (en) * | 2017-09-14 | 2018-01-09 | 江山海维科技有限公司 | A kind of sensor epoxy resin manufacturing process |
| CN107903587A (en) * | 2017-12-15 | 2018-04-13 | 江苏澳盛复合材料科技有限公司 | A kind of carbon fibre reinforcement epoxy-resin systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004008772A1 (en) * | 2004-02-23 | 2005-09-08 | Institut für Neue Materialien Gemeinnützige GmbH | Abrasion resistant and alkali resistant low energy surface coatings or moldings |
| JP4938567B2 (en) * | 2007-06-29 | 2012-05-23 | 株式会社Ａｄｅｋａ | One-component cyanate-epoxy composite resin composition |
| CN107418147B (en) * | 2017-07-28 | 2020-05-08 | 全球能源互联网研究院有限公司 | Hydrophobic electrical insulation epoxy resin composition |
-
2018
- 2018-07-24 CN CN201810821501.4A patent/CN109135188A/en active Pending
- 2018-10-24 WO PCT/CN2018/111590 patent/WO2020019546A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6447913B1 (en) * | 1999-06-23 | 2002-09-10 | Polyplastics Co., Ltd | Thermoplastic polyester resin composition |
| CN102076735A (en) * | 2008-06-25 | 2011-05-25 | 东邦特耐克丝株式会社 | Epoxy resin composition and prepreg using same |
| CN107556701A (en) * | 2017-09-14 | 2018-01-09 | 江山海维科技有限公司 | A kind of sensor epoxy resin manufacturing process |
| CN107903587A (en) * | 2017-12-15 | 2018-04-13 | 江苏澳盛复合材料科技有限公司 | A kind of carbon fibre reinforcement epoxy-resin systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126195A (en) * | 2020-09-17 | 2020-12-25 | 广西长城机械股份有限公司 | Composite resin plate, preparation method and application thereof in preparation of EPS foam-resin composite die |
| CN112482679A (en) * | 2020-12-01 | 2021-03-12 | 南通德瑞森复合材料有限公司 | High-strength anti-skidding glass fiber reinforced plastic stair step |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020019546A1 (en) | 2020-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1132867C (en) | Epoxy resin composition to FRP, prepreg and tubular molding produced therefrom | |
| CN105452374B (en) | Nano composite material, composite, product comprising aspherical Nano particles of silicon dioxide and preparation method thereof | |
| JPWO2007060833A1 (en) | Carbon fiber bundles, prepregs and carbon fiber reinforced composite materials | |
| CN105949716B (en) | Composition epoxy resin, prepreg and fiber reinforced composite material | |
| FR2487371A1 (en) | LIQUID BINDER SYSTEM BASED ON EPOXY RESIN AND CURING AMINO, AND ITS APPLICATION TO THE PRODUCTION OF FIBER REINFORCED PLASTIC MATERIALS | |
| JPWO2019225442A1 (en) | Toupreg and its manufacturing method, and pressure vessel manufacturing method | |
| JPH11302507A (en) | Epoxy resin composition for fiber-reinforced composite material, intermediate substrate for fiber-reinforced composite material and fiber-reinforced composite material | |
| CN106687497A (en) | Epoxy resin composition for fiber-reinforced composite materials, prepreg and fiber-reinforced composite material | |
| EP0444867A2 (en) | Process for preparing long fiber-reinforced thermoplastic polyester resin and molded article made therefrom | |
| CN109135188A (en) | A kind of pultrusion epoxy-resin systems and its composite material of preparation | |
| JPH09217281A (en) | Carbon fiber bundle for chopped strand and its production | |
| KR101767699B1 (en) | Multifunctional additives in engineering thermoplastics | |
| CN108530838B (en) | Carbon fiber and glass fiber reinforced epoxy resin composite material and preparation method thereof | |
| EP2098561A2 (en) | Composite material formulation | |
| KR20170094239A (en) | Process for producing a composite article | |
| CN112292488A (en) | Sizing agent, reinforcing fiber bundle, fiber-reinforced resin molding material, and fiber-reinforced composite material | |
| US3523032A (en) | Polyepoxide with imidazole pre-catalyzed reinforcement material | |
| RU2704185C2 (en) | High-flow thermoplastic composition | |
| JP2015193713A (en) | Epoxy resin composition and fiber reinforced composite material | |
| EP3956378A1 (en) | Epoxy resin-based fibre matrix compositions containing alkyl-substituted ethylene amines | |
| JP6144103B2 (en) | Sizing agents for synthetic fibers, reinforcing fiber bundles and fiber reinforced composites | |
| CN109312057A (en) | Composition epoxy resin for fibre reinforced composites and the prepreg using it | |
| WO2019053645A1 (en) | An epoxy resin system for structural composites | |
| EP3794053B1 (en) | Improved curative composition | |
| CN106633741A (en) | Interfacial modification method of carbon fibers/unsaturated resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |