摘要
用甲苯二异氰酸酯和聚醚多元醇合成预聚体，与胺类化合物反应，再用环氧氯丙烷进行改性，合成了聚氨酯型的靛蓝染色织物耐臭氧色牢度提升剂。试验结果表明，预聚时-NH2／-NCO（物质的量比）为2．0，封端反应30min，环氧氯丙烷／胺根物质的量比为0．75时，制备的聚氨酯提升剂应用效果最好；其优化的应用工艺条件为：浸轧聚氨酯提升剂分散液20g／L，80℃烘干，100℃焙烘3min，或采用10％（owf）提升剂于浴比1：20浸渍整理织物，其耐臭氧色牢度可由原来的1—2级提高至3级。
The prepolymer prepared with TDI and polyether glycol was terminated by amine compound and then functionally modified with epichlorohydrin, and synthesized the color fastness improver to ozone for indigo-dyed cotton fabric. The results showed that the effect of the polyurethane improver was the best under the condition of -NH2/-NCO （mole ratio） 2.0 during pre-polymerization, blocking reaction 30 minutes, mole ratio of epichlorohydrin/amine 0.75. Optimized application conditions were as follows： padding dispersion solution of polyurethane improver 20 g/L, drying at 80℃ baking 3 minutes at 100℃ ;or impregnating the fabrics with 10% （owf） improver under liquor ratio of 1 ：20, the color fastness to ozone increased from 1 -2 grade to 3 grade.
出处
《印染》
北大核心
2009年第8期1-4,共4页
China Dyeing and Finishing
关键词
染色
靛系染料
聚氨酯
耐臭氧色牢度
棉织物
dyeing
indigo dyes
polyurethane
color fastness to ozone
cotton fabric
