| 摘要 |
The present invention provides a polyurethaneurea elastic yarn with improved dyeability which is prepared by spinning, to a normal polyurethaneurea solution, a polyurethaneurea spinning solution containing 0.1-5.0 wt% of a hyperbranched polymer having a large quantity of -OH groups at a terminal, on the basis of the solid part of a polyurethaneurea solution polymer. |
