表面活性剂对纤维素酶水洗性能的影响.doc

文档介绍：
表面活性剂对纤维素酶水洗性能的影响#
袁久刚,王平,王强,范雪荣*
(江南大学生态纺织教育部重点实验室)
5
10
15
20
25
30
35
40
摘要:为了解决酸性纤维素酶水洗整理中的靛蓝返沾现象,本文详细研究了阴离子(SDS)、
两性离子(PC)和非离子表面活性剂(T60 和 AEO-9)对纤维素酶吸附和水解性能的影响。
在此基础上,测试了表面活性剂复配对牛仔织物水洗性能的影响。结果显示,在靛蓝对纤
维素酶的吸附性能上,三种表面活性剂影响程度较弱;在微晶纤维素对酶的吸附上,阴离
子和非离子表面活性剂有较好的抑制作用;但是在水解性能上,阴离子表面活性剂容易造
成酶失活,而非离子表面活性剂以及两性离子影响较小,甚至还有一定激活作用;最终,
CIE L 和 CIE |b|值测试表明,阴离子与非离子表面活性剂复配对纤维素酶水洗性能的提升较
差,而非离子与非离子表面活性剂复配后则可以达到较好的水洗效果。
关键词:表面活性剂;纤维素酶;吸附性能;水解性能;返沾色
中图分类号:
Effect of surfactants on cellulase bio-washing
YUAN Jiugang, WANG Ping, WANG Qiang, FAN Xuerong
(Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University)
Abstract: In order to solve the indigo back staining problem in cellulase bio-washing, the effect of
SDS, PC, T60 and AEO-9 surfactants on adsorption properties and hydrolysis properties of
cellulase were detailed studied. And then, the effect of different pounds on denim
bio-washing was further studied. The results showed that all kinds of selected surfactants had a
slight effect on indigo adsorption with cellulase. But for the adsorption on micro-crystalline
cellulose, SDS, T60 and AEO-9 could decrease the adsorption amount of cellulase. For the
cellulase hydrolysis characteristics, SDS had a strong decrease on cellulase activity, while
zwitterionic surfactant and non-ionics had a slight activation on cellulase. Finally, the
bio-w