Lyocell纤维活化工艺探讨  

Discussion on the Activation Process of Lyocell Fiber

作　　者：姜琨 

机构地区：[1]上海里奥纤维企业发展有限公司,上海201419

出　　处：《合成纤维》2015年第8期12-14,共3页Synthetic Fiber in China

摘　　要：纤维素浆粕活化工艺的主要目的是打开纤维素的结晶区,利于溶剂进入。介绍了Lyocell活化工艺的原理及重要性,活化工艺控制参数为：选用纤维素活化酶,其与纤维素质量比为0.003-0.006,活化p H值5-6,活化温度40-60℃,活化时间40-60 min,活化终止p H值10-13。经过活化工艺,纤维素聚合度略有降低,浆液过滤指数好,浆粕的选型范围更宽,有利于产品品种的开发。The main purpose of the activation process is to open the crystalline region of cellulose, it is favorable for solvent in the cellulose. The principle and importance of Lyocell activation process are introduced.The activation process parameters as follows： enzyme is cellulose enzyme, enzyme and celluhose weight ratio is 0.003-0.006, activation pH value is 5-6, activation temperature is 40-60 ℃, the acfivalion time is 40- 60min, activated terminated pH value is 10-13. After activation process, cellulose DP is reduced less, dope filtration index is well pulp selection range is wider, and it is benefit for the producl variety development.

关 键 词：LYOCELL纤维 活化工艺 纤维素活化酶 

分 类 号：TQ340.6[化学工程—化纤工业]