| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyester false-twist yarn comprising a polyester fiber dyeable with a cationic dye and imparting a woven or knitted fabric with excellent softness and dry feeling. <P>SOLUTION: The polyester false-twist yarn includes a modified polyester copolymerized with 0.7-2.4 mol%, based on the total amount of carboxylic acid, of an isophthalic acid component containing a metal sulfonate group and 0.2-10 wt.%, based on the amount of polyester, of a polyalkyl glycol component having a weight-average molecular weight of 90-6,000, and has a single fiber fineness of≤1.2 dtex, an elongation of 25-50% and a tensile stress at 15% elongation of 2.0-2.4 cN/dtex. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
