棉针织物低温酶精练漂白一浴两步法工艺
Dyeing and Finishing(2017)
Abstract
讨论了棉针织物低温酶精练双氧水漂白一浴两步法工艺.筛选出酶活力较高的精练酶JLA对织物进行低温精练,然后加入漂白催化剂S-LTB进行低温漂白.优化的低温酶精练与漂白一浴两步法处理工艺为:精练酶JLA 0.4 g/L,表面活性剂1305 1.0 g/L,浴比1∶10,55℃处理30 min;同浴低温漂白:30%H2O210 g/L,漂白催化剂S-LTB 1.0 g/L,50% NaOH 1.0 g/L,70℃处理30 min.该工艺处理织物的白度达到70.5%,强力保留率为97.1%,润湿性小于1s,低温工艺处理效果与传统高温工艺相当.
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