Title:
CRIMPED POLYAMIDE YARN, FALSE TWISTED YARN AND FABRIC
Document Type and Number:
WIPO Patent Application WO/2022/191090
Kind Code:
A1
Abstract:
The present invention provides a latently crimped polyamide conjugate fiber which is suppressed in shrinkage rate variation and has few crepes or wrinkles due to dyeing speck or crimp unevenness, thereby having good quality. A crimped polyamide yarn according to the present invention is formed of a side-by-side type or eccentric core-sheath type polyamide conjugate fiber, and has a wet heat shrinkage stress variation rate of 150% or less.
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| WO/2022/186149 | FIBER FOR ARTIFICIAL HAIR, AND WIG |
Inventors:
WATANABE YUTA (JP)
KONO TAKEAKI (JP)
KONO TAKEAKI (JP)
Application Number:
PCT/JP2022/009564
Publication Date:
September 15, 2022
Filing Date:
March 04, 2022
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D01F8/12; D02G3/02; D03D15/292
Foreign References:
| CN109957856A | 2019-07-02 | |||
| JPS472058B1 | 1972-01-20 | |||
| JPS4625531B1 | 1971-07-23 | |||
| JPS542420A | 1979-01-10 | |||
| JP2014080717A | 2014-05-08 | |||
| JP2009057679A | 2009-03-19 | |||
| JP2018003190A | 2018-01-11 | |||
| JP2021036047A | 2021-03-04 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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