Title:
PREPREG, LAMINATE AND INTEGRATED MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/117465
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a prepreg for producing a laminate that is suitable as a structural material and that has excellent reactivity as a prepeg, that provides excellent compressive strength and interlaminar fracture toughness value to the laminate obtained therefrom, and that can be firmly integrated with another structural member by means of welding; and a laminate. The present invention is a prepeg containing (A), (B) and (C), wherein (C) is present on the surface of the prepeg, (B) contains a first curing agent (b1) and a second curing agent (b2), and reinforced fibers of (A), which span the boundary surface between a resin area that includes (C) and a resin area that includes (B) and are in contact with both resin areas, are present. (A) Reinforced fibers; (B) thermosetting resin; (C) thermoplastic resin
Inventors:
MISUMI JUN (JP)
HONMA MASATO (JP)
SHINOHARA KYOKO (JP)
FURUKAWA KOJI (JP)
ARAI ATSUHITO (JP)
HONMA MASATO (JP)
SHINOHARA KYOKO (JP)
FURUKAWA KOJI (JP)
ARAI ATSUHITO (JP)
Application Number:
PCT/JP2020/043339
Publication Date:
June 17, 2021
Filing Date:
November 20, 2020
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08J5/24; B32B5/00; B32B27/38; C08J5/04
Domestic Patent References:
| WO2017130659A1 | 2017-08-03 | |||
| WO2018173953A1 | 2018-09-27 | |||
| WO2018003694A1 | 2018-01-04 | |||
| WO2018079475A1 | 2018-05-03 |
Foreign References:
| JP2019038939A | 2019-03-14 | |||
| JP2017183227A | 2017-10-05 | |||
| JP2018161801A | 2018-10-18 | |||
| JPH10138354A | 1998-05-26 | |||
| JPH08259713A | 1996-10-08 |
Other References:
See also references of EP 4074766A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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