Title:
CORE-SHEATH COMPOSITE FIBER AND FIBER STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2022/186157
Kind Code:
A1
Abstract:
A core-sheath composite fiber and a fiber structure are provided. 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), wherein 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 constituted from the island component are dispersed in a sea (14) constituted from the sea component, the proportion of the B-polymer component in the core-sheath composite fiber being 20 wt% or less.
Inventors:
TOGII KOTA (JP)
HASEGAWA SHUNICHI (JP)
OGINO YUJI (JP)
HASEGAWA SHUNICHI (JP)
OGINO YUJI (JP)
Application Number:
PCT/JP2022/008397
Publication Date:
September 09, 2022
Filing Date:
February 28, 2022
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
D01F8/14
Foreign References:
| JP2007119977A | 2007-05-17 | |||
| JP2010077540A | 2010-04-08 | |||
| JPH1181031A | 1999-03-26 | |||
| JP2005133250A | 2005-05-26 | |||
| JPH07126916A | 1995-05-16 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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