EASILY DYEABLE POLYURETHANEUREA SPANDEX YARN AND PREPARATION METHOD THEREOF

摘要

PURPOSE: a kind of easy dyeing layer polyurethane-urea elastic filament and its manufacturing method are provided to easily with reactive dye yarn dyeing line by being uniformly dispersed polyimides or polyamine, to improve dyeing property and fastness to light etc.. ;CONSTITUTION: a kind of easy dyeing layer polyurethane-urea elastic filament includes polyamine or polyimides 0.1-30 parts by weight based on urethaneureas polymer 100.0. The Polyaldimines polyethyleneimine, poly- (C2-6 alkyleneimines), poly- aryl imine, poly- (propyleneimine) dendritic, or mixtures thereof poly- (amine) imino group dendritic. Polyamines is poly- (N- methyl alkyls) allyl amine, polyamidoamine; , polytetrahydrofuran amine and its mixture. ;The 2010 of copyright KIPO submissions