CN101735570A - Epoxy resin system used for blades of wind driven generator and modification method thereof - Google Patents

Epoxy resin system used for blades of wind driven generator and modification method thereof Download PDF

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Publication number
CN101735570A
CN101735570A CN200910216288A CN200910216288A CN101735570A CN 101735570 A CN101735570 A CN 101735570A CN 200910216288 A CN200910216288 A CN 200910216288A CN 200910216288 A CN200910216288 A CN 200910216288A CN 101735570 A CN101735570 A CN 101735570A
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China
Prior art keywords
resin
epoxy
bisphenol
blades
driven generator
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CN200910216288A
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Chinese (zh)
Inventor
杨青海
卢毅
周百能
钟连兵
胡星
肖毅
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DEC Dongfang Turbine Co Ltd
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DEC Dongfang Turbine Co Ltd
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Priority to CN200910216288A priority Critical patent/CN101735570A/en
Publication of CN101735570A publication Critical patent/CN101735570A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Epoxy Resins (AREA)

Abstract

The invention discloses an epoxy resin system used for blades of a wind driven generator and a modification method thereof, wherein the system comprises a resin part and a curing agent part which are prepared separately; the raw materials of the resin part are bisphenol A epoxy resin, thinner and bisphenol F epoxy resin; the raw materials of the curing agent part are fatty amine, alicyclic amine and assistant; the resin part and the curing agent part are respectively modified; the modification of the resin part comprises the steps of adding the bisphenol A epoxy resin into a reaction kettle, heating up to 40-80 DEG C and keeping the temperature, adding bisphenol F epoxy resin or shifting to the next step, adding the thinner at 40-80 DEG C, fully stirring and reacting for 2-4 hours; and the modification of the curing agent part comprises the steps of adding fatty amine and alicyclic amine into the reaction kettle, keeping the temperature of the reaction kettle at 20-30 DEG C, adding assistant, fully stirring and reacting for 1-4 hours. The invention is targeted at the epoxy resin in match with the blades of the wind driven generator and can satisfy the application requirements of the epoxy resin in match with the megawatt fan blades.

Description

The epoxy-resin systems of used for blades of wind driven generator and method of modifying thereof
Technical field:
The present invention relates to epoxy-resin systems and method of modifying thereof, specifically is a kind of epoxy-resin systems and method of modifying thereof of used for blades of wind driven generator, is particularly suitable for the matched Resins, epoxy of blade of MW class wind turbine.
Background technology:
Resins, epoxy is since coming out, because its good physics and chemical property, in industrial production, obtained using widely, no matter be, all have crucial status in all many-sides at tackiness agent, coating, composite material base, wind blade resin even aviation, aerospace material or the like.
The spinner blade of matrix material is one of key part of wind power generating set, and spinner blade supporting be the critical material of fan blade preparation with Resins, epoxy.China's wind-powered electricity generation development has at present entered maximization, large-scale development stage; only China's wind-powered electricity generation installation amount in 2008 increases 6,300,000 KW newly; need more than 4000 of blower fan altogether by the calculating of 1.5MW blower fan; need about 12000 of blade; need 1.5 tons of calculating of Resins, epoxy with every blade; only just consumed at least 1.8 ten thousand tons of Resins, epoxy in 2008, wind-powered electricity generation installed capacity in 2009 is estimated to continue to be doubled growth, and blade also is doubled with the consumption of Resins, epoxy.At this rate, the demand of the following 10 years Chinese used for blades of wind driven generator Resins, epoxy of expectation is huge.
In order to strengthen domestic fan blade manufacturing capacity, promote domestic wind-powered electricity generation cause progressive paces fast, realize that the MW class fan blade is supporting extremely urgent with Formulaion of epoxy resin autonomy-oriented and products production production domesticization.
For this reason, how to obtain that can weathering resistance, premium properties such as shock-resistant and epoxy-resin systems satisfy that the blade mold height is heat-resisting, high-intensity performance requriements etc. becomes the consistent important topic of discussing of many in recent years production of resins producers, on public publication, also see relevant report repeatly, but do not see that the report identical with the present invention arranged.For example, the disclosed name of Chinese patent literature is called " a kind of Resins, epoxy and uses thereof " (publication number: CN101186744A, open day: 2008.05.28) with " composition epoxy resin; matrix material and preparation method thereof " (publication number: CN101418070A, open day: 2009.04.29), though these two pieces of patent documentations disclose the modification technology of epoxy-resin systems, but it is not supporting pointed with epoxy-resin systems to blade of wind-driven generator, do not meet the blade vacuum instillation process to the epoxy resin technology performance demands, the mechanical property of casting resin and glass reinforced plastic can not satisfy the design requirements of used for blades of wind driven generator Resins, epoxy, especially the supporting application requiring with Resins, epoxy of MW class fan blade.
Summary of the invention:
The objective of the invention is at above-mentioned the deficiencies in the prior art, and a kind of epoxy-resin systems and method of modifying thereof of used for blades of wind driven generator are provided.
The present invention adopts such technical scheme to realize:
A kind of epoxy-resin systems of used for blades of wind driven generator, this epoxy-resin systems comprise resin part and curing agent part, and two portions prepare respectively.
The proportioning raw materials of described resin part is pressed following listed as parts by weight:
Bisphenol A epoxide resin 70~86
Bisphenol F epoxy resin 0~20
Thinner 8~20.
The proportioning raw materials of described curing agent part is pressed following listed as parts by weight:
Aliphatic amide 50~90
Aliphatic cyclic amine 20~45
Auxiliary agent 0.01~0.4.
Described bisphenol A epoxide resin is bisphenol A epoxide resin E-51 or bisphenol A epoxide resin E-54.
Described bisphenol F epoxy resin is a standard type Resins, epoxy.
Described thinner is a diglycidylether.
Described aliphatic amide comprises the component of following weight: 0~10 part of 50~80 parts of polyetheramines and diethylenetriamine.
Described aliphatic cyclic amine comprises the component of following weight: 0~30 part of isophorone diamine, 0~35 part of diamino-dicyclohexyl methane; The weight of described isophorone diamine and diamino-dicyclohexyl methane can not be zero simultaneously.
Described auxiliary agent is a pigment.
The method of modifying of the epoxy-resin systems of above-mentioned used for blades of wind driven generator comprises resin part and curing agent part, two portions modification respectively,
The modification of described resin part may further comprise the steps:
(1) ready reaction still;
(2) bisphenol A epoxide resin is added in the reactor, be warming up to 40~80 ℃ and constant temperature;
(3) add thinner, abundant stirring reaction is 2~4 hours under 40~80 ℃ temperature.
The modification of described curing agent part may further comprise the steps:
1. ready reaction still;
2. aliphatic amide and aliphatic cyclic amine are added in the reactor, make temperature of reaction kettle remain on 20~30 ℃;
3. add auxiliary agent, fully stirring reaction is 1~4 hour.
After the modification procedure (2) of resin part, can add bisphenol F epoxy resin and enter step (3) again.
The invention has the beneficial effects as follows:
After adopting above-mentioned prescription and method of modifying, the Resins, epoxy that makes can satisfy the supporting application requiring with epoxy-resin systems of blade of wind-driven generator, both had good weathering resistance, shock-resistance, high heat-resisting, high-intensity characteristics, meet the blade vacuum instillation process again to the epoxy resin technology performance demands, the mechanical property of casting resin and glass reinforced plastic satisfies the design requirements of used for blades of wind driven generator Resins, epoxy, supporting pointed to blade of wind-driven generator with Resins, epoxy, the supporting Resins, epoxy of using of MW class fan blade especially.
Table one adopts the The performance test results of this prescription
Test event Test result Test event Test result
Tensile strength/MPa ??70 Shock strength/(KJm-2) ??≥70
Tensile modulus/GPa ??3.1 Cure shrinkage/% ??≤2.5
Elongation at break/% ??8~12 Initial viscosity/mPaS ??180~250
Flexural strength/MPa ??105 Gel time/min ??≥150
Test event Test result Test event Test result
Modulus in flexure/GPa ??3.3 The exothermic heat of reaction temperature/℃ ??≤80
Interlaminar shear strength/MPa ??55 Second-order transition temperature/℃ ??≥70
Fracture toughness property/(Jm-2) ??150 Water-intake rate (10 days/23 ℃)/% ??0.35
Annotate: test condition: 25 ℃; Curing system: room temperature/12h+70 ℃/7h.
Embodiment:
Epoxy-resin systems of the present invention comprises resin part and curing agent part, and modification is also distinguished in two portions preparation of preparing burden respectively.
Embodiment 1:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-54-78, bisphenol F epoxy resin-10,1-6 hexanediol diglycidyl ether-12 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-54 is added in the reactor, be warming up to 70 ℃ and constant temperature; (3) add bisphenol F epoxy resin; (4) add thinner (1-6 hexanediol diglycidyl ether), abundant stirring reaction is 3 hours under 70 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) by following weight and is prepared raw material: polyetheramine D230-72, and diethylenetriamine-2,3,3 '-dimethyl 4-26, pigment-0.02.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230 and diethylenetriamine) and aliphatic cyclic amine (3,3 '-dimethyl 4) are added in the reactor, make temperature of reaction kettle remain on 22 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 3 hours, gets final product.
Embodiment 2:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-51-70, bisphenol F epoxy resin-18,1-4 butanediol diglycidyl ether-12 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-51 is added in the reactor, be warming up to 65 ℃ and constant temperature; (3) add bisphenol F epoxy resin; (4) add thinner (1-4 butanediol diglycidyl ether), abundant stirring reaction is 3.5 hours under 65 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) prepare raw material: polyetheramine D230-74, diethylenetriamine-1, isophorone diamine-25, pigment-0.03 by following weight.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230 and diethylenetriamine) and aliphatic cyclic amine (isophorone diamine) are added in the reactor, make temperature of reaction kettle remain on 23 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 3 hours, gets final product.
Embodiment 3:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-54-82,1-4 butanediol diglycidyl ether-18 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-54 is added in the reactor, be warming up to 60 ℃ and constant temperature; (3) skip this step, directly enter next step; (4) add thinner (1-4 butanediol diglycidyl ether), abundant stirring reaction is 3.5 hours under 60 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) prepare raw material: polyetheramine D230-74, isophorone diamine-26, pigment-0.03 by following weight.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (isophorone diamine) are added in the reactor, make temperature of reaction kettle remain on 25 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 2.5 hours, gets final product.
Embodiment 4:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-51-73, bisphenol F epoxy resin-12,1-6 butanediol diglycidyl ether-15 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-51 is added in the reactor, be warming up to 45 ℃ and constant temperature; (3) add bisphenol F epoxy resin; (4) add thinner (1-6 hexanediol diglycidyl ether), abundant stirring reaction is 4 hours under 45 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) by following weight and is prepared raw material: polyetheramine D230-74,3,3 '-dimethyl 4-26, pigment-0.025.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (3,3 '-dimethyl 4) are added in the reactor, make temperature of reaction kettle remain on 25 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 3 hours, gets final product.
Embodiment 5:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-51-82,1-4 butanediol diglycidyl ether-18 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-51 is added in the reactor, be warming up to 50 ℃ and constant temperature; (3) skip this step, directly enter next step; (4) add thinner (1-4 butanediol diglycidyl ether), abundant stirring reaction is 4 hours under 50 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) prepare raw material: polyetheramine D230-78,4-22, pigment-0.03 by following weight.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (4) are added in the reactor, make temperature of reaction kettle remain on 30 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 2 hours, gets final product.
Embodiment 6:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-54-85,1-4 butanediol diglycidyl ether-15 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-54 is added in the reactor, be warming up to 60 ℃ and constant temperature; (3) skip this step, directly enter next step; (4) add thinner (1-4 butanediol diglycidyl ether), abundant stirring reaction is 3 hours under 60 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) prepare raw material: polyetheramine D230-68, isophorone diamine-22,4-10, pigment-0.03 by following weight.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (isophorone diamine and 4) are added in the reactor, make temperature of reaction kettle remain on 28 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 2.5 hours, gets final product.
Embodiment 7:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-51-83,1-6 butanediol diglycidyl ether-17 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-51 is added in the reactor, be warming up to 78 ℃ and constant temperature; (3) skip this step, directly enter next step; (4) add thinner (1-6 hexanediol diglycidyl ether), abundant stirring reaction is 2.5 hours under 78 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) by following weight and is prepared raw material: polyetheramine D230-72,3,3 '-dimethyl 4-28, pigment-0.025.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (3,3 '-dimethyl 4) are added in the reactor, make temperature of reaction kettle remain on 26 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 3 hours, gets final product.
Embodiment 8:
The proportioning of resin part is calculated (unit: part) prepare raw material: bisphenol A epoxide resin E-54-84,1-6 butanediol diglycidyl ether-16 by following weight.
The concrete modification procedure of resin part is: (1) ready reaction still; (2) bisphenol A epoxide resin E-54 is added in the reactor, be warming up to 72 ℃ and constant temperature; (3) skip this step, directly enter next step; (4) add thinner (1-6 hexanediol diglycidyl ether), abundant stirring reaction is 3 hours under 72 ℃ temperature, gets final product.
The proportioning of curing agent part is calculated (unit: part) prepare raw material: polyetheramine D230-75,4-25, pigment-0.025 by following weight.
The concrete modification procedure of curing agent part is: (1) ready reaction still; (2) aliphatic amide (polyetheramine D230) and aliphatic cyclic amine (4) are added in the reactor, make temperature of reaction kettle remain on 25 ℃; (3) add auxiliary agent (pigment), fully stirring reaction is 3 hours, gets final product.
Main and consumption is maximum is bisphenol A epoxide resin in the resin of the present invention part, that bisphenol A epoxide resin is selected for use is bisphenol A epoxide resin E-51 or bisphenol A epoxide resin E-54, this kind component has stronger physical strength, higher bonding strength, low cure shrinkage.Can add bisphenol F epoxy resin in resin part, the effect that the blend of bisphenol F epoxy resin and bisphenol A epoxide resin produces has reduced the viscosity of blending epoxy, improved greatly Resins, epoxy processing performance.In co-mixing system, the different trimethylene gene high spatial sterically hindered of the low spatial steric hindrance of bisphenol F epoxy resin and bisphenol A epoxide resin is compound simultaneously, and the cross-linking density of cured product is improved, and the density of cured article itself also can improve.This shows on the macro property, will make the blend epoxy resin cured product obtain mechanical property and lower water-intake rate preferably.In the resin part, add 1-4 butanediol diglycidyl ether or the 1-6 hexanediol diglycidyl ether that comprises bifunctional, these two kinds of reactive thinners mainly act on and being: be the viscosity that reduces the Formulaion of epoxy resin system on the one hand, improve processing performance, be to contain long segment in the molecule of this component on the other hand, make system have good fracture toughness property, but the adding of thinner is to the heat-drawn wire of epoxy resin cured product, mechanical propertys etc. have reduction clearly, so the add-on of thinner is too much unsuitable, generally be no more than 20% (weight ratio) of whole system.
The consumption maximum is aliphatic amide family (polyetheramine and diethylenetriamine) in the curing agent part of the present invention, particularly importantly polyetheramine, usually the polyetheramine of usefulness is polyetheramine D230, because polyetheramine D230 look shallow, viscosity is low, the intermediate temperature setting snappiness is good, mainly regulate mechanical property with it as solidifying agent, the activity of resistance toheat and system.Diethylenetriamine belongs to the aliphatic amide of straight chain, and its activity is higher relatively, and the adding of this kind component can be regulated the working life of whole system, makes whole epoxy-resin systems satisfy vacuum perfusion process to the epoxy resin technology performance demands.The isophorone diamine and/or the diamino-dicyclohexyl methane that also add aliphatic cyclic amine family in the curing agent part, this of aliphatic cyclic amine family can add simultaneously also for two kinds and can add separately, but no matter the sort of adding form accounts for 20~45 parts in whole solidifying agent part Zong must guarantee aliphatic cyclic amine family.All contain six-membered ring structure in the molecular structure of these two kinds of components of isophorone diamine and diamino-dicyclohexyl methane, when it adds the resistance toheat and the mechanical property of the whole epoxy-resin systems of the fine raising of fashionable energy as curing agent component.In addition, also will add pigment in the curing agent part, pigment does not participate in reaction in whole system, because add-on is very little, can not influence the performance of whole system, but its adding can make operator be easy to distinguish resin part and curing agent part, is convenient to operation.
Thereby, excellent property of the present invention, supporting pointed to blade of wind-driven generator with Resins, epoxy, the supporting Resins, epoxy of using of MW class fan blade especially.

Claims (9)

1. the epoxy-resin systems of a used for blades of wind driven generator, this epoxy-resin systems comprise resin part and curing agent part, and two portions prepare respectively, it is characterized in that:
The proportioning raw materials of described resin part is by following weight part:
Bisphenol A epoxide resin 70~86
Bisphenol F epoxy resin 0~20
Thinner 8~20;
The proportioning raw materials of described curing agent part is by following weight part:
Aliphatic amide 50~90
Aliphatic cyclic amine 20~45
Auxiliary agent 0.01~0.4.
2. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described bisphenol A epoxide resin is bisphenol A epoxide resin E-51 or bisphenol A epoxide resin E-54.
3. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described bisphenol F epoxy resin is a standard type Resins, epoxy.
4. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described thinner is a diglycidylether.
5. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described aliphatic amide comprises the component of following weight: 0~10 part of 50~80 parts of polyetheramines and diethylenetriamine.
6. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described aliphatic cyclic amine comprises the component of following weight: 0~30 part of isophorone diamine, 0~35 part of diamino-dicyclohexyl methane; The weight of described isophorone diamine and diamino-dicyclohexyl methane can not be zero simultaneously.
7. the epoxy-resin systems of used for blades of wind driven generator according to claim 1, it is characterized in that: described auxiliary agent is a pigment.
8. the method for modifying of the epoxy-resin systems of the described used for blades of wind driven generator of claim 1 comprises resin part and curing agent part, and two portions modification respectively is characterized in that:
The modification of described resin part may further comprise the steps:
(1) ready reaction still;
(2) bisphenol A epoxide resin is added in the reactor, be warming up to 40~80 ℃ and constant temperature;
(3) add thinner, abundant stirring reaction is 2~4 hours under 40~80 ℃ temperature;
The modification of described curing agent part may further comprise the steps:
1. ready reaction still;
2. aliphatic amide and aliphatic cyclic amine are added in the reactor, make temperature of reaction kettle remain on 20~30 ℃;
3. add auxiliary agent, fully stirring reaction is 1~4 hour.
9. method of modifying according to claim 8 is characterized in that: add bisphenol F epoxy resin in step (2) back and enter step (3) again.
CN200910216288A 2009-11-19 2009-11-19 Epoxy resin system used for blades of wind driven generator and modification method thereof Pending CN101735570A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040805A (en) * 2010-12-23 2011-05-04 东方电气集团东方汽轮机有限公司 Epoxy resin system for manufacturing blade mould of wind-driven generator and preparation method thereof
CN102061064A (en) * 2010-12-23 2011-05-18 东方电气集团东方汽轮机有限公司 Fast curing epoxy resin system for blades of wind driven generator and preparation method thereof
CN102702686A (en) * 2012-06-19 2012-10-03 广州聚合电子材料有限公司 Epoxy resin system capable of being applied to producing megawatt-level wind turbine blade and preparation method of epoxy resin system
CN104151780A (en) * 2014-01-22 2014-11-19 惠柏新材料科技(上海)有限公司 Vacuum flow guide epoxy resin composition for wind turbine blade
CN104610702A (en) * 2015-01-14 2015-05-13 惠柏新材料科技(上海)有限公司 Vacuum infusion epoxy resin for carbon fiber
WO2017150521A1 (en) * 2016-02-29 2017-09-08 三菱ケミカル株式会社 Epoxy resin composition, molding material, and fiber-reinforced composite material
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040805A (en) * 2010-12-23 2011-05-04 东方电气集团东方汽轮机有限公司 Epoxy resin system for manufacturing blade mould of wind-driven generator and preparation method thereof
CN102061064A (en) * 2010-12-23 2011-05-18 东方电气集团东方汽轮机有限公司 Fast curing epoxy resin system for blades of wind driven generator and preparation method thereof
CN102702686A (en) * 2012-06-19 2012-10-03 广州聚合电子材料有限公司 Epoxy resin system capable of being applied to producing megawatt-level wind turbine blade and preparation method of epoxy resin system
CN102702686B (en) * 2012-06-19 2015-04-15 广州聚合电子材料有限公司 Epoxy resin system capable of being applied to producing megawatt-level wind turbine blade and preparation method of epoxy resin system
CN104151780A (en) * 2014-01-22 2014-11-19 惠柏新材料科技(上海)有限公司 Vacuum flow guide epoxy resin composition for wind turbine blade
CN104610702A (en) * 2015-01-14 2015-05-13 惠柏新材料科技(上海)有限公司 Vacuum infusion epoxy resin for carbon fiber
WO2017150521A1 (en) * 2016-02-29 2017-09-08 三菱ケミカル株式会社 Epoxy resin composition, molding material, and fiber-reinforced composite material
JPWO2017150521A1 (en) * 2016-02-29 2018-03-08 三菱ケミカル株式会社 Molding materials and fiber reinforced composite materials
CN108603009A (en) * 2016-02-29 2018-09-28 三菱化学株式会社 Composition epoxy resin, moulding material and fibre reinforced composites
CN108603009B (en) * 2016-02-29 2020-10-20 三菱化学株式会社 Epoxy resin composition, molding material, and fiber-reinforced composite material
US10920027B2 (en) 2016-02-29 2021-02-16 Mitsubishi Chemical Corporation Epoxy resin composition, molding material, and fiber-reinforced composite material
CN109988394A (en) * 2017-12-29 2019-07-09 比亚迪股份有限公司 Epoxy resin gel coat composition and epoxy resin composite plate and preparation method
CN109988394B (en) * 2017-12-29 2021-06-18 比亚迪股份有限公司 Epoxy resin gel coat composition, epoxy resin composite board and preparation method

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