低温等离子与生物酶对羊毛针织物的联合改性

Modification of the wool knitgoods with low temperature plasma and enzyme

采用不同条件对羊毛针织物进行改性.结果表明:低温等离子作为生物酶的前处理能够改善织物的抗毡缩性,蛋白酶对提高羊毛的抗毡缩性方面具有决定性作用,但易引起织物胀破强度的下降,TG酶处理也能降低织物的毡缩率并提高织物胀破强度.低温等离子与生物酶联合改性使羊毛针织物在保证强度的情况下,毡缩率下降明显,达到机可洗标准.DTA分析表明:低温等离子与蛋白酶和TG酶联合改性对羊毛α螺旋结构蛋白无影响;羊毛的热降解温度升高,热稳定性提高.

The wool knitgoods were modified with different conditions. It was shown that low temperature plasma followed by enzymatic treatment could improve anti-felting performance. Protease treatment improved anti-felting performance obviously, but made the bursting strength drcrease. Transglutaminase treatment also decreased in felting percentage and improve the wool knitgoods bursting strength. Modification of the wool knitgoods with low temperature plasma and enzyme not only made the wool knitgoods felting percentage decrease obviously and reach the washable standardbu, but also the break strength of the wool knitgoods was controlled. Analyzing the results from DTA indicated modification with low temperature plasmas and protease and transglutaminasehas no influence on α screw structure of wool protein and the thermal degradation temperature of wool treated raised and thermal stability improved.