3结论
3.1TETS改性处理为纤维素纤维交联胺化改性提供了一条新的途径.TETS改性棉纤维的染色性能发生了很大的变化,活性染料上染率和固色率明显提高."lETS改性织物可以进行酸性(或中性)、无盐(或低盐)染色,对解决传统活性染料存在的固色率低、大量无机盐促染造成的环境污染问题具有重要的现实意义.
3.2合适的改性工艺为:"lETS用量100g/L,改性工作液的pH值9.5,焙烘温度170℃,焙烘时间3min.
3.3TETS改性后纤维的日晒牢度有一定程度的降
低,移染性也有所下降,但水洗牢度和摩擦牢度明显提高.为此,应制定合理的染色工艺,选用适当的助剂,改善匀染、移染性和牢度.活性染料染色摩擦牢度(特别是湿摩擦牢度)的提高对攻克此技术难关也具有实际意义.
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