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Title:
POLYAMIDE FIBER, WOVEN OR KNIT FABRIC, AND METHOD FOR PRODUCING POLYAMIDE FIBER
Document Type and Number:
WIPO Patent Application WO/2019/208427
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a polyamide fiber having satisfactory colorability and excellent color fastness. This polyamide fiber comprises an aliphatic polyamide as a main component, wherein the aliphatic polyamide has a terminal-amino group content of 7×10-5 to 10.0×10-5 mol/g and has a content of rigid amorphous components, which are required of the polyamide fiber, of 40% or higher.

Inventors:
TAKAYA, Kazunari (Toray Industries Inc., 1-1, Horikoshi 1-chome, Nishi-ku, Nagoya-sh, Aichi 66, 〒4518666, JP)
SATO, Yoshifumi (Toray Industries Inc., 1-1, Horikoshi 1-chome, Nishi-ku, Nagoya-sh, Aichi 66, 〒4518666, JP)
KURIBAYASHI, Takahiro (Toray Industries Inc., 4845, Mishima-sh, Shizuoka 52, 〒4118652, JP)
Application Number:
JP2019/016797
Publication Date:
October 31, 2019
Filing Date:
April 19, 2019
Export Citation:
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Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
D01F6/60; A41D31/00; D03D15/00; D04B1/16
Domestic Patent References:
WO2018021011A12018-02-01
WO2016104278A12016-06-30
Foreign References:
CN106702522A2017-05-24
JP2004091988A2004-03-25
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