JP5433565B2 - 改善された性能を有するプレ含浸コンポジット材料 - Google Patents
改善された性能を有するプレ含浸コンポジット材料 Download PDFInfo
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- 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
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/003—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties
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- 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
- C08G59/20—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 epoxy compounds used
- C08G59/32—Epoxy compounds containing three or more epoxy groups
- C08G59/38—Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
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- 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
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4064—Curing agents not provided for by the groups C08G59/42 - C08G59/66 sulfur containing compounds
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
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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
- 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
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Laminated Bodies (AREA)
Description
1.発明の分野
本発明は、一般に、高性能コンポジット部品を製造するのに使用されるプレ含浸コンポジット材料(プリプレグ)に関する。より詳細には、本発明は、硬化/成形することによって、改善された強度および損傷許容性の両方を有するコンポジット部品を形成することができるプリプレグを提供することを対象とする。
コンポジット材料は一般に、連続樹脂マトリックス(continuous resin matrix)と強化用繊維を2つの主成分として含む。コンポジット材料は、航空宇宙産業分野などの要求の厳しい環境において機能することを要求されることが多く、したがって、コンポジットの物理的限度および特性は、極めて重要である。とくに、あるコンポジット材料部品をどの程度軽量に製造することができるかを決定する場合、コンポジットの引張強度および弾性率は、重要な要因である。
本発明によれば、成形することによって、高レベルの強度および損傷許容性の両方を有するコンポジット部品を形成することができるプレ含浸コンポジット材料(プリプレグ)が提供される。これは、未硬化プリプレグまたは硬化したコンポジット部品の物理的または化学的特性にいずれの実質的な悪影響も生じさせることなく実現される。
本発明のプレ含浸コンポジット材料(プリプレグ)は、航空宇宙産業ならびに高構造強度および損傷許容性が要求される、任意の他の用途におけるコンポジット部品を形成するのに使用されている、現存するプリプレグの代替として使用することができる。本発明は、プリプレグを製造するために使用されている現存する樹脂の代わりに、本発明の樹脂配合物を使用することを伴う。したがって、本発明の樹脂配合物は、任意の従来のプリプレグ製造方法および硬化方法において使用するのに適している。
本発明による好ましい例示的な樹脂の配合を、表1に示す。マトリックス樹脂は、エポキシ成分を室温でポリエーテルスルホンと混合して樹脂ブレンドを生成し、これを120℃で120分間加熱して、ポリエーテルスルホンを完全に溶解させることによって調製した。この混合物を80℃に冷却し、成分の残りを添加し、完全に混合した。
追加の例(3E)のプリプレグを本発明に従って作製した。このプリプレグは、炭素繊維強化材(268gsmの面重量)を含み、これは、異なる繊維表面処理を使用したことを除いて、前述の例で使用した炭素繊維に類似していた。マトリックス樹脂の配合を表4に示す。比較のプリプレグ(C3)も調製した。C3についてのマトリックスの配合も表4に示す。
3つの追加のプリプレグの例(F〜H)を本発明に従って作製した。このプリプレグは、例3で使用した繊維と同じである、炭素繊維強化材(268gsmの面重量)を含んでいた。3つのマトリックス樹脂の配合を表6に示す。
Claims (10)
- 以下を含むプレ含浸コンポジット材料:
A)強化用繊維、ならびに
B)以下を含むマトリックス:
a)硬化前の該マトリックスの22から28重量パーセントのビスフェノールFのジグリシジルエーテル、
b)硬化前の該マトリックスの25から30重量パーセントのトリグリシジルメタ−アミノフェノール、
c)硬化前の該マトリックスの5から20重量パーセントの不溶性熱可塑性粒子であって、同重量の、ポリアミド6粒子を含有する粒子ならびにポリアミド6及びポリアミド12のコポリマーの粒子を含む不溶性熱可塑性粒子、
d)硬化前の該マトリックスの13から17重量パーセントのポリエーテルスルホン、および
e)芳香族ジアミン硬化剤からなる硬化剤。 - プレ含浸コンポジット材料中のマトリックスの量が、25重量パーセントと45重量パーセントの間である、請求項1に記載のプレ含浸コンポジット材料。
- 強化用繊維が、ガラス、炭素およびアラミドからなる群から選択される、請求項1に記載のプレ含浸コンポジット材料。
- 強化用繊維が、織物、単方向繊維、ランダム配向繊維、または擬似等方性細断単方向繊維テープの形態である、請求項2に記載のプレ含浸コンポジット材料。
- マトリックスが、15から17重量パーセントの芳香族ジアミン硬化剤を含む、請求項1に記載のプレ含浸コンポジット材料。
- 硬化剤が4,4−ジアミノジフェニルスルホンである、請求項5に記載のプレ含浸コンポジット材料。
- マトリックスが、
15から17重量パーセントの4,4−ジアミノジフェニルスルホンを含む、請求項6に記載のプレ含浸コンポジット材料。 - 請求項1に記載のプレ含浸コンポジット材料を含むコンポジット部品であって、マトリックスが硬化されているコンポジット部品。
- 以下のステップを含むプレ含浸コンポジット材料を製造するための方法:
A)強化用繊維を提供するステップ、ならびに
B)強化用繊維にマトリックスを含浸させるステップであって、該マトリックスが以下を含むステップ:
a)硬化前の該マトリックスの22から28重量パーセントのビスフェノールFのジグリシジルエーテル、
b)硬化前の該マトリックスの25から30重量パーセントのトリグリシジルメタ−アミノフェノール、
c)硬化前の該マトリックスの5から20重量パーセントの不溶性熱可塑性粒子であって、同重量の、ポリアミド6粒子を含有する粒子ならびにポリアミド6及びポリアミド12のコポリマーの粒子を含む不溶性熱可塑性粒子、
d)硬化前の該マトリックスの13から17重量パーセントのポリエーテルスルホン、および
e)芳香族ジアミン硬化剤からなる硬化剤。 - コンポジット部品を製造するための方法であって、請求項1に記載のプレ含浸コンポジット材料を硬化させるステップを含む方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/787,700 | 2007-04-17 | ||
| US11/787,700 US7968179B2 (en) | 2006-10-02 | 2007-04-17 | Pre-impregnated composite materials with improved performance |
| PCT/US2008/004284 WO2008127556A1 (en) | 2007-04-17 | 2008-04-02 | Pre-impregnated composite materials with improved performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010525102A JP2010525102A (ja) | 2010-07-22 |
| JP5433565B2 true JP5433565B2 (ja) | 2014-03-05 |
Family
ID=39472506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010504044A Active JP5433565B2 (ja) | 2007-04-17 | 2008-04-02 | 改善された性能を有するプレ含浸コンポジット材料 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP2147035B1 (ja) |
| JP (1) | JP5433565B2 (ja) |
| KR (1) | KR101519951B1 (ja) |
| CN (1) | CN101679605A (ja) |
| AT (1) | ATE512997T1 (ja) |
| BR (1) | BRPI0809638B1 (ja) |
| ES (1) | ES2365573T3 (ja) |
| MY (1) | MY145997A (ja) |
| WO (1) | WO2008127556A1 (ja) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046770A1 (en) * | 2008-10-24 | 2010-04-29 | Iq Tec Switzerland Gmbh | Apparatus and method for making reactive polymer pre-pregs |
| US9096734B2 (en) | 2009-01-23 | 2015-08-04 | Hexcel Corporation | Prepreg with integrated multi-dimensional gas venting network |
| DE102009001793A1 (de) * | 2009-03-24 | 2010-10-07 | Evonik Degussa Gmbh | Prepregs und daraus hergestellte Formkörper |
| JP5668329B2 (ja) * | 2009-06-08 | 2015-02-12 | 三菱レイヨン株式会社 | エポキシ樹脂組成物およびそれを用いた繊維強化複合材料 |
| GB0922599D0 (en) * | 2009-12-23 | 2010-02-10 | Cytec Tech Corp | Modified resin systems for liquid resin infusion applications, prepreg autoclave applications and hybrids thereof |
| JP5584047B2 (ja) * | 2010-08-11 | 2014-09-03 | Jx日鉱日石エネルギー株式会社 | ベンゾオキサジン樹脂組成物及び繊維強化複合材料 |
| US8686069B2 (en) * | 2010-10-12 | 2014-04-01 | Hexcel Corporation | Solvent resistance of epoxy resins toughened with polyethersulfone |
| US9068040B2 (en) * | 2010-10-12 | 2015-06-30 | Hexcel Corporation | Solvent resistant thermoplastic toughened epoxy |
| CA2817201C (en) * | 2010-11-09 | 2017-11-07 | Cytec Technology Corp. | Compatible carrier for secondary toughening |
| CN103429371B (zh) * | 2011-03-30 | 2016-04-20 | 东丽株式会社 | 预浸料坯、纤维增强复合材料及纤维增强复合材料的制造方法 |
| EP2692783B1 (en) * | 2011-03-30 | 2017-12-20 | Toho Tenax Co., Ltd. | Prepreg and method for manufacturing same |
| KR101911976B1 (ko) * | 2011-07-27 | 2018-10-25 | 도레이 카부시키가이샤 | 프리프레그 및 섬유 강화 복합 재료 |
| US9200125B2 (en) * | 2012-08-26 | 2015-12-01 | Hexcel Corporation | Composite material with polyamide particles |
| KR20150113015A (ko) * | 2013-01-28 | 2015-10-07 | 도레이 카부시키가이샤 | 프리프레그, 섬유 강화 복합 재료 및 열가소성 수지 입자 |
| KR20150137058A (ko) | 2013-03-29 | 2015-12-08 | 제이엑스 닛코닛세키에너지주식회사 | 프리프레그, 섬유 강화 복합 재료 및 입자 함유 수지 조성물 |
| CN104119640B (zh) * | 2013-04-24 | 2016-08-10 | 中国科学院化学研究所 | 适合热熔法制备碳纤维增强复合材料预浸料的高强高韧环氧树脂组合物及其制备方法 |
| GB2515323A (en) * | 2013-06-19 | 2014-12-24 | Hexcel Composites Ltd | Improvements in or relating to epoxy resin formulations |
| EP3086940A2 (en) * | 2013-12-23 | 2016-11-02 | Cytec Industries Inc. | Toughened composite materials and methods of manufacturing thereof |
| GB2521638A (en) * | 2013-12-24 | 2015-07-01 | Hexcel Composites Ltd | Improvements to matrix additives |
| WO2015097283A1 (en) * | 2013-12-24 | 2015-07-02 | Hexcel Composites Limited | Improvements to matrix additives |
| WO2015123125A1 (en) * | 2014-02-13 | 2015-08-20 | Hexcel Corporation | Composite material with polyamide particle mixtures |
| CN106164168A (zh) * | 2014-04-10 | 2016-11-23 | 赫克塞尔合成有限公司 | 复合材料的改进 |
| EP2949679A1 (en) * | 2014-05-26 | 2015-12-02 | Fundación Cidetec | Thermomechanically reprocessable epoxy composites and processes for their manufacturing |
| GB201411586D0 (en) * | 2014-06-30 | 2014-08-13 | Hexcel Composites Ltd | Adhesive composition |
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| CA3000027C (en) * | 2015-10-01 | 2023-04-11 | Toho Tenax Europe Gmbh | Textile substrate made of reinforcement fibers |
| JP6884536B2 (ja) * | 2016-02-05 | 2021-06-09 | 住友化学株式会社 | 芳香族ポリスルホン、プリプレグ及びプリプレグの製造方法 |
| US10000615B1 (en) * | 2017-02-23 | 2018-06-19 | Hexcel Corporation | Retaining compressive strength of thermoplastic-toughened epoxy composites under hot and wet conditions |
| US10717843B2 (en) * | 2017-01-19 | 2020-07-21 | Dickinson Corporation | Multifunctional nanocomposites reinforced with impregnated cellular carbon nanostructures |
| CN107603155A (zh) * | 2017-09-30 | 2018-01-19 | 威海光威复合材料股份有限公司 | 用于预浸带的环氧树脂及其制备方法 |
| CN107746548A (zh) * | 2017-11-08 | 2018-03-02 | 威海光威复合材料股份有限公司 | 耐高温树脂基体及其制造方法 |
| FR3077522B1 (fr) * | 2018-02-05 | 2021-04-02 | Faurecia Systemes Dechappement | Piece preimpregnee comprenant une couche principale et une couche de renfort |
| KR102108053B1 (ko) * | 2018-08-31 | 2020-05-11 | 국방과학연구소 | 고인성, 고강도 및 내열성 특성을 가진 프리프레그 제조 방법 및 이 방법에 의해 제조된 프리프레그 |
| CN109370194B (zh) * | 2018-10-25 | 2020-12-22 | 新钻塑料科技(上海)有限公司 | 一种刚性和韧性均衡的三元共混合金材料及其制备方法 |
| CN109988399A (zh) * | 2019-04-03 | 2019-07-09 | 威海宝威新材料科技有限公司 | 一种自行车轮圈用纤维丝材料和制备工艺 |
| KR20220115098A (ko) * | 2019-12-10 | 2022-08-17 | 헌츠만 어드밴스드 머티리얼스 아메리카스 엘엘씨 | 지방족 폴리케톤 강화제를 포함하는 경화성 수지 조성물 및 이로부터 제조된 복합재 |
| CN111303081B (zh) * | 2020-03-27 | 2022-02-01 | 中国科学院化学研究所 | 一种高强高模环氧树脂组合物及其制备方法与应用 |
| JP7761628B2 (ja) | 2020-07-13 | 2025-10-28 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン | 銅結合のための導電性エポキシ樹脂組成物 |
| KR20230081710A (ko) | 2020-09-09 | 2023-06-07 | 디킨슨 코포레이션 | 페리모픽 탄소의 확장 가능한 합성 |
| CN113527839B (zh) * | 2021-07-09 | 2023-05-05 | 航天特种材料及工艺技术研究所 | 一种高模量纳米杂化树脂及其制备方法 |
| CN114181416A (zh) * | 2021-12-16 | 2022-03-15 | 中复神鹰(上海)科技有限公司 | 一步法制备层间增韧碳纤维预浸料的生产方法 |
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|---|---|---|---|---|
| US5599629A (en) | 1984-03-01 | 1997-02-04 | Amoco Corporation | High modulus prepregable epoxy resin systems |
| US5268223A (en) * | 1991-05-31 | 1993-12-07 | Amoco Corporation | Toughened fiber-reinforced composites |
| JPH0741576A (ja) * | 1993-07-30 | 1995-02-10 | Toray Ind Inc | プリプレグおよび繊維強化樹脂 |
| WO1996017006A1 (en) * | 1994-12-02 | 1996-06-06 | Toray Industries, Inc. | Prepreg and fiber-reinforced composite material |
| CA2213808A1 (en) * | 1995-12-27 | 1997-07-10 | Harold Jabloner | Epoxy resin(s) with curing agent and toughener |
| US6429157B1 (en) | 1997-07-11 | 2002-08-06 | Toray Industries, Inc. | Prepreg fabric and honeycomb sandwich panel |
| AU2003262050B2 (en) * | 2002-11-14 | 2009-07-02 | Toray Industries, Inc. | Reinforcing fiber substrate, composite material and method for producing the same |
| JP5411406B2 (ja) * | 2005-07-13 | 2014-02-12 | 三菱レイヨン株式会社 | プリプレグ |
| GB0619401D0 (en) * | 2006-10-02 | 2006-11-08 | Hexcel Composites Ltd | Composite materials with improved performance |
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| EP2147035A1 (en) | 2010-01-27 |
| KR101519951B1 (ko) | 2015-05-13 |
| ES2365573T3 (es) | 2011-10-07 |
| BRPI0809638A2 (pt) | 2014-11-11 |
| BRPI0809638A8 (pt) | 2018-06-05 |
| ATE512997T1 (de) | 2011-07-15 |
| EP2147035B1 (en) | 2011-06-15 |
| CN101679605A (zh) | 2010-03-24 |
| MY145997A (en) | 2012-06-15 |
| JP2010525102A (ja) | 2010-07-22 |
| WO2008127556A1 (en) | 2008-10-23 |
| KR20100016575A (ko) | 2010-02-12 |
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