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Title:
POLYAMIDE FIBER HAVING EXCELLENT MOISTURE ABSORPTION/RELEASING PERFORMANCE
Document Type and Number:
WIPO Patent Application WO/2018/174106
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide comfortable clothing lacking stuffiness, in which polyamide fiber having a high moisture absorption/releasing speed is used. This polyamide fiber contains 3-15 wt% of polyamide and polyvinylpyrrolidone, the polyamide satisfying the following characteristics. (1) The molecular weight distribution has two peaks, and the molecular weight of the low-molecular-weight-side peak is 1000-2500. (2) The ratio IL/IH between the low-molecular-weight-side peak intensity (IL) and the high-molecular-weight-side peak intensity (IH) in the molecular weight distribution is 0.02-0.10.

Inventors:
HAYASHI Tsuyoshi (Toray Industries Inc., 1-1, Horikoshi 1-chome, Nishi-ku, Nagoya-sh, Aichi 66, 〒4518666, JP)
SAWAI Yumiko (Toray Industries Inc., 1-1, Horikoshi 1-chome, Nishi-ku, Nagoya-sh, Aichi 66, 〒4518666, JP)
FUJII Hajime (Toray Industries Inc., 1-1, Horikoshi 1-chome, Nishi-ku, Nagoya-sh, Aichi 66, 〒4518666, JP)
Application Number:
JP2018/011222
Publication Date:
September 27, 2018
Filing Date:
March 20, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
D01F6/90; D03D15/00; D04B1/16; D04B21/16
Foreign References:
JPH07150414A1995-06-13
JPH1112806A1999-01-19
JP2003049066A2003-02-21
JPH0369610A1991-03-26
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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