JP7398028B1 - エポキシ樹脂組成物 - Google Patents

エポキシ樹脂組成物 Download PDF

Info

Publication number
JP7398028B1
JP7398028B1 JP2023545992A JP2023545992A JP7398028B1 JP 7398028 B1 JP7398028 B1 JP 7398028B1 JP 2023545992 A JP2023545992 A JP 2023545992A JP 2023545992 A JP2023545992 A JP 2023545992A JP 7398028 B1 JP7398028 B1 JP 7398028B1
Authority
JP
Japan
Prior art keywords
epoxy resin
resin composition
mass
curing agent
fiber
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.)
Active
Application number
JP2023545992A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023238615A5 (https=
JPWO2023238615A1 (https=
Inventor
大暉 若原
展義 大西
孝介 池内
佳奈 岡田
信彦 松本
亨 印南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority claimed from PCT/JP2023/018273 external-priority patent/WO2023238615A1/ja
Application granted granted Critical
Publication of JP7398028B1 publication Critical patent/JP7398028B1/ja
Publication of JPWO2023238615A1 publication Critical patent/JPWO2023238615A1/ja
Publication of JPWO2023238615A5 publication Critical patent/JPWO2023238615A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/20Macromolecules 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
    • C08G59/22Di-epoxy compounds
    • C08G59/24Di-epoxy compounds carbocyclic
    • C08G59/245Di-epoxy compounds carbocyclic aromatic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/20Macromolecules 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/20Macromolecules 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
    • C08G59/22Di-epoxy compounds
    • C08G59/226Mixtures of di-epoxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/40Macromolecules 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
    • C08G59/4007Curing agents not provided for by the groups C08G59/42 - C08G59/66
    • C08G59/4014Nitrogen containing compounds
    • C08G59/4035Hydrazines; Hydrazides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/40Macromolecules 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
    • C08G59/42Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
    • C08G59/4246Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof polymers with carboxylic terminal groups
    • C08G59/4269Macromolecular compounds obtained by reactions other than those involving unsaturated carbon-to-carbon bindings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/40Macromolecules 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
    • C08G59/62Alcohols or phenols
    • C08G59/621Phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/18Macromolecules 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
    • C08G59/68Macromolecules 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 catalysts used
    • C08G59/686Macromolecules 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 catalysts used containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/042Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/243Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/244Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/249Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3445Five-membered rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04Protecting sheathings
    • F17C1/06Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C08J2363/02Polyglycidyl ethers of bis-phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C08J2363/04Epoxynovolacs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Epoxy Resins (AREA)
  • Reinforced Plastic Materials (AREA)
JP2023545992A 2022-06-08 2023-05-16 エポキシ樹脂組成物 Active JP7398028B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022093342 2022-06-08
JP2022093342 2022-06-08
PCT/JP2023/018273 WO2023238615A1 (ja) 2022-06-08 2023-05-16 エポキシ樹脂組成物

Publications (3)

Publication Number Publication Date
JP7398028B1 true JP7398028B1 (ja) 2023-12-13
JPWO2023238615A1 JPWO2023238615A1 (https=) 2023-12-14
JPWO2023238615A5 JPWO2023238615A5 (https=) 2024-05-21

Family

ID=89117076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023545992A Active JP7398028B1 (ja) 2022-06-08 2023-05-16 エポキシ樹脂組成物

Country Status (5)

Country Link
US (1) US20250361355A1 (https=)
EP (1) EP4538308A4 (https=)
JP (1) JP7398028B1 (https=)
KR (1) KR20250020440A (https=)
CN (1) CN119301176A (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012063015A (ja) * 2011-11-30 2012-03-29 Toyota Motor Corp ガスタンク及びその製造方法
JP2012533643A (ja) * 2009-07-17 2012-12-27 タイコ・エレクトロニクス・コーポレイション 酸素バリア組成物および関連する方法
WO2017057561A1 (ja) * 2015-09-30 2017-04-06 積水化学工業株式会社 樹脂組成物及び多層基板
JP2020138989A (ja) * 2019-02-26 2020-09-03 日産自動車株式会社 熱硬化性樹脂用硬化剤組成物、並びにこれを用いた熱硬化性樹脂組成物、無機強化複合樹脂組成物および成形品
WO2021200028A1 (ja) * 2020-04-01 2021-10-07 三菱瓦斯化学株式会社 プリプレグ、繊維強化複合材、高圧ガス貯蔵タンク、プリプレグの製造方法及び高圧ガス貯蔵タンクの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939112A (en) * 1988-10-06 1990-07-03 James River Paper Company, Inc. Catalyst for synthesis of vesicular phenoxy resins
JP2002284852A (ja) 2001-01-19 2002-10-03 Toray Ind Inc エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP5651959B2 (ja) * 2010-01-22 2015-01-14 横浜ゴム株式会社 シンタクチックフォーム用樹脂組成物
WO2012147437A1 (ja) * 2011-04-28 2012-11-01 関西ペイント株式会社 カチオン電着塗料組成物
WO2016084475A1 (ja) 2014-11-28 2016-06-02 三菱瓦斯化学株式会社 圧力容器、ライナーおよび圧力容器の製造方法
JP7463815B2 (ja) * 2020-04-01 2024-04-09 三菱瓦斯化学株式会社 プリプレグ、繊維強化複合材、及び高圧ガス貯蔵タンク
RU2749720C1 (ru) * 2020-11-05 2021-06-16 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") Термореактивное связующее

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012533643A (ja) * 2009-07-17 2012-12-27 タイコ・エレクトロニクス・コーポレイション 酸素バリア組成物および関連する方法
JP2012063015A (ja) * 2011-11-30 2012-03-29 Toyota Motor Corp ガスタンク及びその製造方法
WO2017057561A1 (ja) * 2015-09-30 2017-04-06 積水化学工業株式会社 樹脂組成物及び多層基板
JP2020138989A (ja) * 2019-02-26 2020-09-03 日産自動車株式会社 熱硬化性樹脂用硬化剤組成物、並びにこれを用いた熱硬化性樹脂組成物、無機強化複合樹脂組成物および成形品
WO2021200028A1 (ja) * 2020-04-01 2021-10-07 三菱瓦斯化学株式会社 プリプレグ、繊維強化複合材、高圧ガス貯蔵タンク、プリプレグの製造方法及び高圧ガス貯蔵タンクの製造方法

Also Published As

Publication number Publication date
JPWO2023238615A1 (https=) 2023-12-14
EP4538308A1 (en) 2025-04-16
EP4538308A4 (en) 2025-09-03
KR20250020440A (ko) 2025-02-11
US20250361355A1 (en) 2025-11-27
CN119301176A (zh) 2025-01-10

Similar Documents

Publication Publication Date Title
EP2794735B1 (en) Improvements in or relating to fibre reinforced composites
US20230142635A1 (en) Prepreg, fiber-reinforced composite material, high-pressure gas storage tank, method for producing prepreg, and method for producing high-pressure gas storage tank
CN107949594A (zh) 环氧树脂组合物及由其制造的纤维增强复合材料
EP3053941A1 (en) Two-pack epoxy resin composition for fiber-reinforced composite material, and fiber-reinforced composite material
KR101898394B1 (ko) 에폭시 수지 조성물을 포함하는 토우프레그
KR20190123278A (ko) 에폭시 수지 조성물, 프리프레그 및 탄소섬유 강화 복합 재료
JP7463815B2 (ja) プリプレグ、繊維強化複合材、及び高圧ガス貯蔵タンク
JP7279869B1 (ja) エポキシ樹脂組成物及びその硬化物、繊維強化複合材、高圧ガス容器
WO2023238615A1 (ja) エポキシ樹脂組成物
JP2010163573A (ja) 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
JP7700792B2 (ja) 高圧ガス貯蔵タンク
JP7398028B1 (ja) エポキシ樹脂組成物
JP7279868B1 (ja) エポキシ樹脂組成物及びその硬化物、プリプレグ、繊維強化複合材、高圧ガス容器
JP2015193713A (ja) エポキシ樹脂組成物および繊維強化複合材料
US20240166816A1 (en) Thermosetting resin composition, prepreg, fiber reinforced composite material, and high-pressure gas container
EP4512842A1 (en) Epoxy resin curing agent, epoxy resin composition and cured product thereof, fiber-reinforced composite material, and high-pressure gas container
JP2020158594A (ja) トウプレグおよびその製造方法、圧力容器の製造方法
WO2025115600A1 (ja) エポキシ樹脂組成物及びその硬化物、プリプレグ、繊維強化複合材、及び繊維強化複合材
KR20240115981A (ko) 기계적 물성이 향상된 에폭시 수지 조성물 및 이를 함유하는 토우프레그
JP2009215481A (ja) プリプレグおよび繊維強化複合材料
JP2021161327A (ja) プリプレグの製造方法及び高圧ガス貯蔵タンクの製造方法
JP2026030781A (ja) 繊維強化複合材料管状体の製造方法、繊維強化複合材料管状体、ゴルフクラブシャフトおよび釣竿
JP2023004897A (ja) プリプレグ、エポキシ樹脂組成物、およびプリプレグの製造方法
WO2011087477A1 (en) Substantially solvent-free epoxy formulations

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230728

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230728

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20230728

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230822

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230915

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20231003

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20231013

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231201

R150 Certificate of patent or registration of utility model

Ref document number: 7398028

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150