| 摘要 |
PROBLEM TO BE SOLVED: To provide a sewing machine yarn having luster with high-class feeling, not obtained by a conventional sewing machine yarn comprising a polyester filament. SOLUTION: The sewing machine yarn is formed of a mixed yarn made of a fiber yarn A and a fiber yarn B mutually having different elongations. The fiber B having a larger elongation contains a polylactic acid having a weight average molecular weight of 100,000-200,000. COPYRIGHT: (C)2011,JPO&INPIT
|
