公开(公告)号：US20170167061A1

公开(公告)日：2017-06-15

申请号：US15118294

申请日：2015-02-25

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroaki DATE ,  Yasuhiro SHIBATA ,  Yosuke MATSUKI ,  Hongchuan JING

IPC: D03D15/08 ,  D02G3/04 ,  B32B5/02 ,  D06N3/00 ,  D01D5/32 ,  D02G1/02 ,  D01F8/12

CPC classification number: D03D15/08 ,  B32B5/024 ,  B32B2262/0261 ,  B32B2262/12 ,  B32B2307/51 ,  B32B2437/00 ,  D01D5/32 ,  D01F8/12 ,  D02G1/0206 ,  D02G1/0286 ,  D02G3/045 ,  D06N3/0006 ,  D06N2201/0263 ,  D06N2211/10 ,  D10B2331/02 ,  D10B2501/00

Abstract: The present invention provides a crimped polyamide yarn to which it is possible, using fibers that include low water absorption polyamide, to impart a stretch property and pliability such that it is possible for the inherent stretch properties of the crimped yarn to be appropriately expressed in a woven or knit fabric. The crimped polyamide yarn of the present invention is a side-by-side composite yarn which includes at least 40 mass % of low water absorption polyamide having an average of water absorption ratio of 5% or less at a temperature of 30° C. and a relative humidity (RH) of 90%, and in which the low water absorption polyamide is at least one component. The yarn is false-twisted, and has a crimp elongation ratio of 25% or more.