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Title:
CARBON FIBER SHEET MATERIAL, PREPREG, MOLDED ARTICLE, CARBON FIBER SHEET MATERIAL PRODUCTION METHOD, PREPREG PRODUCTION METHOD, AND MOLDED ARTICLE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/040287
Kind Code:
A1
Abstract:
A carbon fiber sheet material containing multiple strands of recycled carbon fibers, and also containing a binder for joining the carbon fibers to one another, the carbon fiber sheet material being characterized in that the average length of the carbon fibers is 1.0-10mm, inclusive. It is preferable for an organic component derived from the recycling starting material of the carbon fibers and/or a carbide of said organic component to be adhered as a deposit to the surfaces of the carbon fibers. It is also preferable for the percentage of the surface of the carbon fibers which is covered by the deposit to be 2-40%, inclusive.

Inventors:
KONDO TORU (JP)
Application Number:
PCT/JP2019/033031
Publication Date:
February 27, 2020
Filing Date:
August 23, 2019
Export Citation:
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Assignee:
AWA PAPER & TECH COMPANY INC (JP)
International Classes:
C08J5/24; C08J5/04; D04H1/4242; D04H1/58; D21H13/50
Domestic Patent References:
WO2012086682A12012-06-28
WO2007097436A12007-08-30
Foreign References:
JP2018028151A2018-02-22
JP2017160559A2017-09-14
JP2017128705A2017-07-27
JP2017133131A2017-08-03
JP2014051023A2014-03-20
Attorney, Agent or Firm:
MASUDA, Tatsuya et al. (JP)
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