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Title:
PREPREG, FIBER-REINFORCED RESIN MOLDED ARTICLE, AND INTEGRATED MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/058546
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a prepreg which has excellent bonding strength to another member, has a properly controlled resin flow during welding, and has excellent dimensional stability during welding; and a fiber-reinforced resin molded article. The prepreg has a thermoplastic resin layer comprising reinforcing fibers and a thermoplastic resin, in which the thermoplastic resin layer is located on at least one surface of the prepreg, and the thermoplastic resin layer contains a constituent unit for the thermoplastic resin in an amount of 65.0 to 99.5% by mass and contains a constituent unit for a thermocurable resin and a constituent unit for a curing agent in a total amount of 0.5 to 35.0% by mass relative to the total amount, i.e., 100% by mass, of the constituent unit for the thermoplastic resin, the constituent unit for the thermocurable resin and the constituent unit for the curing agent.

Inventors:
KOBAYASHI HIROSHI (JP)
HONMA MASATO (JP)
SHINOHARA KOTARO (JP)
HANABUSA HIDEKI (JP)
Application Number:
PCT/JP2022/036401
Publication Date:
April 13, 2023
Filing Date:
September 29, 2022
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08J5/04; B32B5/00; B32B5/28; B32B27/08; C08J5/24; C08K7/06; C08L63/00; C08L101/12
Domestic Patent References:
WO2010055811A12010-05-20
WO2014007288A12014-01-09
WO2020003662A12020-01-02
Foreign References:
JP2019089951A2019-06-13
JP2020164672A2020-10-08
JP2020164671A2020-10-08
JP2019077763A2019-05-23
JP2012246442A2012-12-13
IB2014103658W
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