| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyurethane elastic fiber inhibiting aggregation of an inorganic solid article during high-speed spinning of a fine yarn of an elastic fiber by using a polyurethane polymer containing an inorganic solid article, capable of stable spinning for a long term, good in frictional property and excellent in quality improvement of a fabric.SOLUTION: There is provided a polyurethane elastic fiber containing 0.001 to 5 pts.wt. of 12-hydroxystearic acid metal and 0.001 to 10 pts.wt. of an inorganic solid article with respect to 100 pts.wt. of a polyurethane polymer. |
