Title:
CARBON-FIBER CHOPPED STRAND AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/111559
Kind Code:
A1
Abstract:
Disclosed is a carbon-fiber chopped strand, and a manufacturing method of the same. The carbon-fiber chopped strand is composed of single threads composed of 30,000 - 120,000 carbon fibers, and a sizing agent content 1 - 10% by weight that bundles the single threads; the ratio of maximum diameter (Dmax) in the cross section and minimum diameter (Dmin) is 1.0 - 1.8, a length along a fiber direction is 3 - 10 mm, and an angle of repose of 10 - 30°.
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Inventors:
TSUNEKAWA, Hiroshi (234, Kamitogari, Nagaizumi-cho, Sunto-gu, Shizuoka 20, 〒4118720, JP)
恒川 浩 (〒20 静岡県駿東郡長泉町上土狩２３４番地 東邦テナックス株式会社内 Shizuoka, 〒4118720, JP)
SAEKI, Takao (234, Kamitogari, Nagaizumi-cho, Sunto-gu, Shizuoka 20, 〒4118720, JP)
恒川 浩 (〒20 静岡県駿東郡長泉町上土狩２３４番地 東邦テナックス株式会社内 Shizuoka, 〒4118720, JP)
SAEKI, Takao (234, Kamitogari, Nagaizumi-cho, Sunto-gu, Shizuoka 20, 〒4118720, JP)
Application Number:
JP2011/054505
Publication Date:
September 15, 2011
Filing Date:
February 28, 2011
Export Citation:
Assignee:
TOHO TENAX CO., LTD. (2-1 Kasumigaseki 3-chome, Chiyoda-ku Tokyo, 13, 〒1000013, JP)
東邦テナックス株式会社 (〒13 東京都千代田区霞が関三丁目２番１号 Tokyo, 〒1000013, JP)
TSUNEKAWA, Hiroshi (234, Kamitogari, Nagaizumi-cho, Sunto-gu, Shizuoka 20, 〒4118720, JP)
恒川 浩 (〒20 静岡県駿東郡長泉町上土狩２３４番地 東邦テナックス株式会社内 Shizuoka, 〒4118720, JP)
東邦テナックス株式会社 (〒13 東京都千代田区霞が関三丁目２番１号 Tokyo, 〒1000013, JP)
TSUNEKAWA, Hiroshi (234, Kamitogari, Nagaizumi-cho, Sunto-gu, Shizuoka 20, 〒4118720, JP)
恒川 浩 (〒20 静岡県駿東郡長泉町上土狩２３４番地 東邦テナックス株式会社内 Shizuoka, 〒4118720, JP)
International Classes:
D06M15/59; B29B15/10; C08K9/08; C08L101/00; D01F9/12; D02G3/02; D06M101/40
Attorney, Agent or Firm:
TAKAHATA, Yasuyo (Room 1004, Maison-Sunshine 1-4, Higashi-Ikebukuro 3-chome, Toshima-k, Tokyo 13, 〒1700013, JP)
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Claims: