Title:
ハイブリッド炭素繊維紡績糸及びそれを用いたハイブリッド炭素繊維紡績糸織物
Document Type and Number:
Japanese Patent JP4822552
Kind Code:
B2
Abstract:
A hybrid carbon fiber spun yarn comprising a core region which comprises carbon fibers as a main component, and a surrounding region which comprises carbon fibers as a main component and covers an outer peripheral surface of the core region;
wherein 20 % by mass or more of fibers forming the core region are long carbon fibers having a fiber length of 500 mm or longer,
80 % by mass or more of fibers forming the surrounding region are short carbon fibers having a fiber length of less than 500 mm, and
a mass ratio between the long carbon fibers and the short carbon fibers (long carbon fibers : short carbon fibers) is in a range of 20:80 to 80:20.
Inventors:
Kobayashi Tatsuo
Naohiro Sonobe
Shigeki Iwamoto
Naohiro Sonobe
Shigeki Iwamoto
Application Number:
JP2007504688A
Publication Date:
November 24, 2011
Filing Date:
February 17, 2006
Export Citation:
Assignee:
Kureha Co., Ltd.
International Classes:
D02G3/16; D02G3/36; D03D15/12
Domestic Patent References:
| JPS5381735A | 1978-07-19 | |||
| JPS59228068A | 1984-12-21 | |||
| JPH01246434A | 1989-10-02 |
Attorney, Agent or Firm:
Patent Business Corporation St. Crest International Patent Office
Noriaki Nagahama
Noriaki Nagahama