| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyester-based piled yarn with a special structure good at not only fluffy touch, soft touch and brightness but also rebound touch, an easy care property and a surface quality. <P>SOLUTION: A polyester-based piled yarn of the present invention comprises two or more kinds of polyester-based multifilaments, one yarn A included in the piled yarn has a core part of a twisted yarn with a twist coefficient KA, calculated in accordance with Expression (1) below, of 8000 or more and 25000 or less, another yarn B included in the piled yarn is fed to a sheath part in a non-twisted state, and the yarn A and the yarn B are unitedly twisted in the same direction as a twisting direction of the yarn A. Expression (1): KA=TA×√(DA), wherein KA is the twist coefficient of the yarn A, TA is a number of twists of the yarn A (turns/M) and DA is fineness of the yarn A (dtex)×0.9. <P>COPYRIGHT: (C)2012,JPO&INPIT |
