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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10370506 B1

PDFFull Text
Date of Patent:
Aug. 06, 2019

Filed:

Mar. 29, 2013

Carbon fiber thermoplastic resin prepreg, carbon fiber composite material and producing method

Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Masao Tomioka, Toyohashi, JP;

Takahiro Hayashi, Toyohashi, JP;

Saki Fujita, Toyohashi, JP;

Takeshi Ishikawa, Toyohashi, JP;

Keigo Yoshida, Toyohashi, JP;

Takuya Teranishi, Toyohashi, JP;

Atsushi Takahashi, Toyohashi, JP;

Kenichi Watanabe, Toyohashi, JP;

Morio Katagiri, Toyohashi, JP;

Akinobu Sasaki, Toyohashi, JP;

Masahiro Oosuka, Toyohashi, JP;

Hiroshi Tategaki, Toyohashi, JP;

Takayuki Kobayashi, Toyohashi, JP;

Assignee:

MITSUBISHI CHEMICAL CORPORATION, Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Ronak C Patel

Assistant Examiner:

Thomas A Mangohig

Int. Cl.
CPC ...
B29C 70/50 (2006.01); C08J 5/04 (2006.01); B29B 11/16 (2006.01); C08J 5/24 (2006.01); B29K 23/00 (2006.01); B29K 77/00 (2006.01); B29K 105/08 (2006.01); B29K 233/20 (2006.01); B29K 307/04 (2006.01); B29K 33/20 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
C08J 5/042 (2013.01); B29B 11/16 (2013.01); B29C 70/504 (2013.01); B29C 70/506 (2013.01); C08J 5/24 (2013.01); B29C 70/50 (2013.01); B29K 2023/12 (2013.01); B29K 2033/20 (2013.01); B29K 2077/00 (2013.01); B29K 2105/0872 (2013.01); B29K 2233/20 (2013.01); B29K 2307/04 (2013.01); B29L 2031/30 (2013.01); C08J 2325/12 (2013.01); C08J 2333/10 (2013.01); C08J 2333/12 (2013.01); C08J 2333/20 (2013.01); C08J 2369/00 (2013.01); C08J 2377/02 (2013.01); C08J 2377/06 (2013.01); Y10T 428/2982 (2015.01);
Abstract

Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20≤(FM/FS)≤40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.

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