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AR102377A1 - Composición de resina epoxídica y material compuesto reforzado con fibras - Google Patents

Composición de resina epoxídica y material compuesto reforzado con fibras

Info

Publication number
AR102377A1
AR102377A1 ARP150103397A ARP150103397A AR102377A1 AR 102377 A1 AR102377 A1 AR 102377A1 AR P150103397 A ARP150103397 A AR P150103397A AR P150103397 A ARP150103397 A AR P150103397A AR 102377 A1 AR102377 A1 AR 102377A1
Authority
AR
Argentina
Prior art keywords
epoxy resin
resin composition
composite material
component
amino group
Prior art date
Application number
ARP150103397A
Other languages
English (en)
Inventor
Hirano Noriyuki
Miyoshi Masayuki
Matsuda Ayumi
Original Assignee
Toray Industries
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toray Industries filed Critical Toray Industries
Publication of AR102377A1 publication Critical patent/AR102377A1/es

Links

Classifications

    • 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
    • C08G59/20—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
    • 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
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
    • 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
    • C08G59/20—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
    • C08G59/22—Di-epoxy compounds
    • C08G59/24—Di-epoxy compounds carbocyclic
    • C08G59/245—Di-epoxy compounds carbocyclic aromatic
    • 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
    • C08G59/20—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
    • C08G59/3227—Compounds containing acyclic nitrogen atoms
    • 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
    • C08G59/20—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
    • 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
    • C08G59/50—Amines
    • 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
    • C08G59/50—Amines
    • C08G59/5006—Amines aliphatic
    • C08G59/5013—Amines aliphatic containing more than seven carbon atoms, e.g. fatty amines
    • 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
    • C08G59/50—Amines
    • C08G59/5026—Amines cycloaliphatic
    • 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
    • C08G59/50—Amines
    • C08G59/5033—Amines aromatic
    • 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
    • C08G59/50—Amines
    • C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
    • 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
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • 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
    • 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
    • C08J2363/02—Polyglycidyl ethers of bis-phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Reinforced Plastic Materials (AREA)
  • Epoxy Resins (AREA)

Abstract

Se proporciona una composición de resina epoxídica apta para uso en el material compuesto reforzado con fibras que exhibe simultáneamente un alto nivel de resistencia a la tracción y resistencia al calor. Se proporciona además un material compuesto reforzado con fibras producido utilizando dicha composición de resina epoxídica. Una composición de resina epoxídica que comprende al menos los siguientes componente [A], componente [B] y componente [C] o [D] donde el producto curado obtenido mediante el curado de la composición de resina epoxídica tiene un módulo de estado gomoso en evaluación de viscoelasticidad dinámica de 10 MPa o menos, y el producto curado tiene una temperatura de transición vítrea de al menos 95ºC; [A] una resina epoxídica aromática que tiene una funcionalidad de al menos 3, [B] una diamina aromática que tiene un sustituyente en posición orto de cada grupo amino o un cicloalquilo diamina donde el átomo de carbono adyacente al átomo de carbono ligado a cada grupo amino tiene un sustituyente, [C] una poliamina alifática que tiene una estructura de alquilenglicol, [D] una poliamina alifática de cadena recta o ramificada que contiene 6 a 12 átomos de carbono.
ARP150103397A 2014-10-21 2015-10-20 Composición de resina epoxídica y material compuesto reforzado con fibras AR102377A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014214160 2014-10-21

Publications (1)

Publication Number Publication Date
AR102377A1 true AR102377A1 (es) 2017-02-22

Family

ID=55760737

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP150103397A AR102377A1 (es) 2014-10-21 2015-10-20 Composición de resina epoxídica y material compuesto reforzado con fibras

Country Status (8)

Country Link
US (1) US10253142B2 (es)
EP (1) EP3211019B1 (es)
JP (1) JP6690240B2 (es)
KR (1) KR102374995B1 (es)
CN (1) CN106715514B (es)
AR (1) AR102377A1 (es)
RU (1) RU2017117461A (es)
WO (1) WO2016063692A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107709399B (zh) * 2015-06-25 2020-01-24 东丽株式会社 环氧树脂组合物、纤维增强复合材料、成型品及压力容器
CN108431073A (zh) * 2015-12-25 2018-08-21 东丽株式会社 环氧树脂组合物、纤维增强复合材料、成型品以及压力容器
JP7139572B2 (ja) * 2015-12-25 2022-09-21 東レ株式会社 エポキシ樹脂組成物、繊維強化複合材料、成形品および圧力容器
JP7135271B2 (ja) * 2015-12-25 2022-09-13 東レ株式会社 エポキシ樹脂組成物、繊維強化複合材料、成形品および圧力容器
JP7135270B2 (ja) * 2015-12-25 2022-09-13 東レ株式会社 エポキシ樹脂組成物、繊維強化複合材料および成形品
US20210277174A1 (en) * 2017-06-20 2021-09-09 Dow Global Technologies Llc Epoxy resin system for making fiber reinforced composites
GB201711192D0 (en) * 2017-07-12 2017-08-23 Hexcel Composites Ltd Improvements in resin curative systems
JP7278132B2 (ja) * 2019-03-29 2023-05-19 帝人株式会社 プリプレグ、及び繊維強化複合材料の製造方法
KR102704865B1 (ko) * 2022-03-29 2024-09-06 도레이첨단소재 주식회사 에폭시 수지 조성물과 이를 이용한 탄소섬유 복합재료

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528305A (en) * 1984-04-13 1985-07-09 Ciba-Geigy Corporation Epoxy resin modeling stock
JPH04348120A (ja) * 1991-05-24 1992-12-03 Nippon Kayaku Co Ltd 封止用エポキシ樹脂組成物
JPH06329763A (ja) * 1993-05-17 1994-11-29 Mitsubishi Rayon Co Ltd エポキシ樹脂組成物
JPH09235397A (ja) 1996-03-01 1997-09-09 Toray Ind Inc プリプレグおよび繊維強化プラスチック
JPH11241230A (ja) 1997-12-11 1999-09-07 Toray Ind Inc 炭素繊維、炭素繊維用前駆体繊維、複合材料および炭素繊 維の製造方法
WO2000053654A1 (fr) * 1999-03-11 2000-09-14 Toray Industries, Inc. Composition de resine epoxy, composition de resine epoxy pour materiau composite a fibres, et materiau composite a fibres contenant ladite composition
JP4655329B2 (ja) 2000-05-16 2011-03-23 東レ株式会社 一方向プリプレグおよび繊維強化複合材料
DE60217542T2 (de) 2001-11-07 2007-10-25 Toray Industries, Inc. Epoxidharzzusammensetzungen für faserverstärkte verbundwerkstoffe, verfahren zur herstellung der werkstoffe und faserverstärkte verbundwerkstoffe
EP1621323A1 (en) 2004-07-27 2006-02-01 Hexcel Composites GmbH Continuous pultrusion process for producing high performance structural profiles
ATE450575T1 (de) * 2005-07-15 2009-12-15 Huntsman Adv Mat Switzerland Gehärtete zusammensetzung
JP2008274083A (ja) 2007-04-27 2008-11-13 Shin Etsu Chem Co Ltd 液状エポキシ樹脂組成物及び半導体装置
JP2009256583A (ja) * 2007-09-28 2009-11-05 Sumitomo Bakelite Co Ltd 液状エポキシ樹脂組成物およびそれを用いた半導体装置
JP2009227907A (ja) 2008-03-25 2009-10-08 Toray Ind Inc 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
JP2010150311A (ja) 2008-12-24 2010-07-08 Toray Ind Inc エポキシ樹脂組成物、繊維強化複合材料、および繊維強化複合材料の製造方法
CA2750631A1 (en) * 2009-03-24 2010-09-30 Toray Industries, Inc. Epoxy resin composition for fiber-reinforced composite material, prepreg, and fiber-reinforced composite material
US20120328811A1 (en) * 2011-06-24 2012-12-27 Air Products And Chemicals, Inc. Epoxy Resin Compositions
US9309381B2 (en) * 2011-06-24 2016-04-12 Air Products And Chemicals, Inc. Epoxy resin compositions using solvated solids
CN103732659B (zh) * 2011-08-18 2017-03-08 蓝立方知识产权公司 可固化树脂组合物
GB201203341D0 (en) 2012-02-27 2012-04-11 Cytec Technology Group Curable resin composition and short-cure method
JP2014118576A (ja) 2012-12-18 2014-06-30 Air Products And Chemicals Inc 溶媒和された固体を使用するエポキシ樹脂組成物

Also Published As

Publication number Publication date
CN106715514B (zh) 2019-05-07
RU2017117461A3 (es) 2018-11-23
EP3211019B1 (en) 2022-07-13
RU2017117461A (ru) 2018-11-23
US10253142B2 (en) 2019-04-09
EP3211019A1 (en) 2017-08-30
CN106715514A (zh) 2017-05-24
KR20170071471A (ko) 2017-06-23
US20170327652A1 (en) 2017-11-16
JPWO2016063692A1 (ja) 2017-07-27
EP3211019A4 (en) 2018-05-16
KR102374995B1 (ko) 2022-03-16
WO2016063692A1 (ja) 2016-04-28
JP6690240B2 (ja) 2020-04-28

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