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Title:
CORE-SHEATH COMPOSITE FIBER, PRODUCTION METHOD THEREFOR, AND FIBER STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2022/186150
Kind Code:
A1
Abstract:
Provided are a core-sheath composite fiber, a method for producing the core-sheath composite fiber, and a fiber structure. The core-sheath composite fiber comprises: a core component (12) comprising a melt-anisotropic aromatic polyester (A polymer); and a sheath component comprising a flexible thermoplastic polymer (B polymer) and a melt-anisotropic aromatic polyester (C polymer). The B polymer constitutes a sea component, the C polymer constitutes an island component, and the sheath component has a sea-island structure in which a plurality of islands (18) constituted from the island component are dispersed in a sea (14) constituted from the sea component.

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Inventors:
TOGII KOTA (JP)
HASEGAWA SHUNICHI (JP)
OGINO YUJI (JP)
Application Number:
PCT/JP2022/008341
Publication Date:
September 09, 2022
Filing Date:
February 28, 2022
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
D01F8/14; D01D5/08; D01D5/34; D01D7/00; D02J13/00
Foreign References:
JP2010077540A2010-04-08
JP2007126760A2007-05-24
JPH1181031A1999-03-26
JP2005133250A2005-05-26
JPH07126916A1995-05-16
JP2009179908A2009-08-13
JP2002020932A2002-01-23
JP2008255535A2008-10-23
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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