EP4726102A1 - Sizing agent-containing carbon fiber bundle, carbon fiber-reinforced composite material, and pressure container - Google Patents

Sizing agent-containing carbon fiber bundle, carbon fiber-reinforced composite material, and pressure container

Info

Publication number
EP4726102A1
EP4726102A1 EP24848996.5A EP24848996A EP4726102A1 EP 4726102 A1 EP4726102 A1 EP 4726102A1 EP 24848996 A EP24848996 A EP 24848996A EP 4726102 A1 EP4726102 A1 EP 4726102A1
Authority
EP
European Patent Office
Prior art keywords
carbon fiber
sizing agent
fiber bundle
strength
bundle containing
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
Application number
EP24848996.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Masahiro Matsumoto
Jun Watanabe
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of EP4726102A1 publication Critical patent/EP4726102A1/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
    • D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/11—Compounds containing epoxy groups or precursors thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/55—Epoxy resins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/40—Fibres of carbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Reinforced Plastic Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Mechanical Engineering (AREA)
EP24848996.5A 2023-07-31 2024-07-23 Sizing agent-containing carbon fiber bundle, carbon fiber-reinforced composite material, and pressure container Pending EP4726102A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023124043 2023-07-31
PCT/JP2024/026274 WO2025028341A1 (ja) 2023-07-31 2024-07-23 サイジング剤を含有する炭素繊維束、炭素繊維強化複合材料および圧力容器

Publications (1)

Publication Number Publication Date
EP4726102A1 true EP4726102A1 (en) 2026-04-15

Family

ID=94395232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24848996.5A Pending EP4726102A1 (en) 2023-07-31 2024-07-23 Sizing agent-containing carbon fiber bundle, carbon fiber-reinforced composite material, and pressure container

Country Status (5)

Country Link
EP (1) EP4726102A1 (https=)
JP (1) JPWO2025028341A1 (https=)
KR (1) KR20260042350A (https=)
CN (1) CN121443796A (https=)
WO (1) WO2025028341A1 (https=)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049227A (ja) 1990-04-24 1992-01-14 Matsushita Electric Ind Co Ltd 穴明け機などのポンチ
JPH054463A (ja) 1991-06-25 1993-01-14 Nippon Kayaku Co Ltd 熱転写記録用シート
JP4533518B2 (ja) 2000-08-31 2010-09-01 東邦テナックス株式会社 高強度・高伸度炭素繊維を用いた繊維強化複合材料
JP2002294568A (ja) 2001-03-30 2002-10-09 Toho Tenax Co Ltd フィラメントワインディング用炭素繊維束
JP2003002989A (ja) * 2001-06-19 2003-01-08 Toray Ind Inc プリプレグ
JP2005280124A (ja) * 2004-03-30 2005-10-13 Toray Ind Inc 炭素繊維強化シート状物および炭素繊維強化複合材料
JP6051987B2 (ja) 2013-03-19 2016-12-27 東レ株式会社 サイジング剤塗布炭素繊維の製造方法
JP6175936B2 (ja) * 2013-06-26 2017-08-09 東レ株式会社 サイジング剤塗布炭素繊維およびその製造方法、炭素繊維強化複合材料
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
JP2017155372A (ja) * 2016-03-03 2017-09-07 東レ株式会社 サイジング剤塗布炭素繊維、サイジング剤塗布炭素繊維の製造方法、プリプレグおよび炭素繊維強化複合材料
WO2018096905A1 (ja) * 2016-11-24 2018-05-31 東レ株式会社 圧力容器の製造方法
JP6543309B2 (ja) 2017-08-11 2019-07-10 帝人株式会社 サイジング剤付着炭素繊維束及びその製造方法並びにこのサイジング剤付着炭素繊維束を用いる圧力容器の製造方法
KR102142368B1 (ko) 2017-10-31 2020-08-07 도레이 카부시키가이샤 탄소섬유 다발 및 이의 제조방법
WO2019107276A1 (ja) 2017-12-01 2019-06-06 帝人株式会社 炭素繊維束、プリプレグ、繊維強化複合材料
JP7341648B2 (ja) 2018-10-05 2023-09-11 帝人株式会社 前駆体繊維束の製造方法及び炭素繊維束の製造方法並びに炭素繊維束
JPWO2024090196A1 (https=) * 2022-10-24 2024-05-02

Also Published As

Publication number Publication date
JPWO2025028341A1 (https=) 2025-02-06
WO2025028341A1 (ja) 2025-02-06
CN121443796A (zh) 2026-01-30
KR20260042350A (ko) 2026-03-31

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