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Patent Searching and Data


Title:
PREPREG, LAMINATE, AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/235485
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a prepreg which has excellent binding strength and an excellent interlayer fracture toughness value, which can be firmly integrated with other structural members when being melted and adhered thereto, and which is for manufacturing a laminate that is suitable as a structural material; and said laminate. This prepreg contains [A] reinforced fibers, [B] epoxy resins, and [C] a thermoplastic resin as components, wherein the average epoxy value of all the epoxy resins contained in [B] is 2.0-5.0 meq./g, [C] is present in the surface of the prepreg, and [A] the reinforced fibers included in both a resin region containing [B] and a resin region containing [C] are present across the boundary surface between the two resin regions.

Inventors:
MISUMI JUN (JP)
HONMA MASATO (JP)
SHINOHARA KYOKO (JP)
HIRANO NORIYUKI (JP)
Application Number:
PCT/JP2020/019467
Publication Date:
November 26, 2020
Filing Date:
May 15, 2020
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08J5/24; B32B5/28; B32B27/38
Domestic Patent References:
WO2018066600A12018-04-12
WO2018117214A12018-06-28
WO2004060658A12004-07-22
Foreign References:
JP2019038939A2019-03-14
JPH01104625A1989-04-21
JP2012051989A2012-03-15
JP2003201388A2003-07-18
JPH08337707A1996-12-24
JP2018161801A2018-10-18
JPH10138354A1998-05-26
JP3906319B22007-04-18
JPH08259713A1996-10-08
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