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Title:
HIGH-SHRINKAGE POLYAMIDE FIBERS, COMBINED-FILAMENT YARN USING SAME IN PORTION THEREOF, AND WOVEN OR KNITTED FABRIC
Document Type and Number:
WIPO Patent Application WO/2016/104278
Kind Code:
A1
Abstract:
In the present invention, through use of polyamide fibers having shrinkage characteristics in which the heat-shrinkage stress (H) and boiling-water shrinkage ratio (B) are high, high-shrinkage polyamide fibers are provided whereby a combined-filament yarn using the high-shrinkage polyamide fibers in at least a portion thereof is bulky, and a woven or knitted fabric using the combined-filament yarn and/or the polyamide fibers having high shrinkage in at least a portion thereof is configured as a high-density woven or knitted fabric having fullness and softness. The high-shrinkage polyamide fibers are characterized in that a crystalline polyamide and a non-crystalline polyamide are compatible, the weight ratio of the crystalline polyamide to the non-crystalline polyamide is 90:10-50:50, the boiling-water shrinkage ratio (B) is 20-50%, and the heat-shrinkage stress (H) is 0.15 cN/dtex or greater.

Inventors:
YAMANAKA KENJI (JP)
TAKAGI KENTARO (JP)
Application Number:
PCT/JP2015/085198
Publication Date:
June 30, 2016
Filing Date:
December 16, 2015
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D01F6/90; D02G3/04; D03D15/567
Foreign References:
JPH042814A1992-01-07
JP2007100270A2007-04-19
JPH0625917A1994-02-01
JP2000073231A2000-03-07
Attorney, Agent or Firm:
Seiryu Patent Professional Corporation et al. (JP)
Clear stream international patent business corporation (JP)
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