亚麻/羊毛混纺纱的过氧乙酸漂白工艺

Bleaching process to wool/flax blended yarn with peracetic acid

利用生态漂白剂过氧乙酸对亚麻/羊毛混纺纱的漂白工艺进行了探讨。在过氧乙酸质量浓度、漂白温度、漂白液pH值、漂白时间、稳定剂用量等因素影响混纺纱漂白效果的基础上,利用正交试验确定了过氧乙酸漂白亚麻/羊毛混纺纱的优化工艺,即过氧乙酸质量浓度8 g/L,焦磷酸钠质量浓度1.5 g/L,漂白液pH值6.5,温度75℃,时间80 min。性能测试结果表明,过氧乙酸漂白亚麻/羊毛混纺纱的工艺条件温和,对纤维损伤小,利于环保及后续加工,具有工艺可行性。

Bleaching process to wool/flax blended yarn with environmental friendly peracetic acid was carried out.On the basis of studying the bleaching performance influenced by factors such as peracetic acid concentration,bleaching temperature,pH value,treatment time and stabilizer consumption,the optimal bleaching technology was determined.That were peracetic acid 8 g/L,sodium pyrophosphate 1.5 g/L,pH value 6.5,bleaching at 75 ℃ for 80 minutes.Results of performance test indicated that the beaching condition to wool/flax blended yarn with peracetic acid was mild,and having little damage to the blended yarn,being conducive to environmental protection and following knitting,weaving,dyeing and finishing.The feasibility of technology was turned out.