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  • 专利标题:   Carbon fiber-reinforced composite material used for airplane and automobile such as electric vehicle, comprises carbon fibers and thermosetting resin composition comprising unsaturated polyester, curing agent and polymerization initiator.
  • 专利号:   WO2021033423-A1, JP2021031524-A, JP6941323-B2, EP4019571-A1, US2022315731-A1
  • 发明人:   AKIO M, NAOYUKI F, ICHIRO S, BUNSHI F, TAKAYUKI U, SAKATA I, FURUTSUKI B, MORIMOTO A, FURUSHO N, UEKI T, FUGETSU B
  • 专利权人:   UNIV TOKYO, AKIO M, NAOYUKI F, UNIV TOKYO, MORIMOTO A, FURUSHO N, UNIV TOKYO, AKIO M, NAOYUKI F, UNIV TOKYO, NAOYUKI F, AKIO M
  • 国际专利分类:   C08J005/04, C08K003/04
  • 专利详细信息:   WO2021033423-A1 25 Feb 2021 202122 Pages: 22 Japanese
  • 申请详细信息:   WO2021033423-A1 WOJP024600 23 Jun 2020
  • 优先权号:   JP149960

▎ 摘　　要

NOVELTY - Carbon fiber-reinforced composite material comprises carbon fibers and thermosetting resin composition, where the thermosetting resin composition is cured product from a liquid composition comprising unsaturated polyester, curing agent, polymerization initiator, and nanocarbon/nanocellulose composite containing a functional group-modified nanocarbon and nanocellulose. The nanocarbon/nanocellulose composite is dispersed in the thermosetting resin composition, and the thermosetting resin composition contains 0.05-15 wt.% of the nanocarbon/nanocellulose composite. The carbon fiber-reinforced composite material has a maximum stress in a tensile test according to JIS K 7164 of at least 410 N/mm2 and a maximum stress in a three-point bending test according to JIS K 7171 of at least 310 N/mm2. USE - The composite material is used for airplane and automobile such as electric vehicle, bicycle, ship, container and robot. ADVANTAGE - The composite material has excellent mechanical property and is manufactured at low cost.