| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a polyurethane elastic yarn that has an extremely excellent deodorant function with respect to an acetic acid odor that is one of main components of a sweat odor and an aging-related odor, and also has an excellent dyeability with respect to acidic dye, and a method of producing the same.SOLUTION: A polyurethane elastic yarn comprises polyethyleneimine and/or modified polyethyleneimine in the range of 0.05 mass% or more and 5 mass% or less.</p> |
