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机构地区:[1]内蒙古工业大学,内蒙古呼和浩特010051 [2]苏州远纺织染有限公司,江苏苏州215000
出 处:《印染》2017年第12期31-34,共4页China Dyeing and Finishing
摘 要:羊毛采用4种无氯丝光工艺(高锰酸钾法、双氧水+酶法,过一硫酸氢钾法和过氧乙酸法)处理,发现经过丝光处理的羊毛白度有所增加,黄度下降,但断裂强度降低。通过扫描电镜可知,丝光工艺对羊毛鳞片层的损伤情况为:高锰酸钾法>双氧水+酶法>过一硫酸氢钾法>过氧乙酸法。红外光谱分析表明,丝光处理增加了染色时的染座,S—S键被破坏,因此丝光羊毛在低温染色时,仍有较高的上染率。Four types of chlorine free mercerizing processes are carried out by chemical and enzymatic methods. The results show that the whiteness of mercerized wool increases and the yellowness decreases. The strength retention is above 80%. Surface layer scales are observed by scanning electron microscopy, it is said that four processes exert certain damage to scales of mercerized wool, and the po- tassium permanganate process shows the highest scale damage, followed by hydrogen peroxide-enzyme method and potassium bisulfate, while peracetic acid process shows the lowest scale damage. Fourier transform infrared spectroscopy (FTIR) is used to characterize the change of wool structure after four different mercerizing methods. It is found that owing to the breakage of S-S bond, mercerized wool can be dyed at low temperature.
分 类 号:TS195.51[轻工技术与工程—纺织化学与染整工程]
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