Lyocell纤维生产过程中NMMO浓度测定方法研究  

Study on the Determination of NMMO Concentration in Lyocell Fiber Production

作　　者：荀红利 

机构地区：[1]中国纺织科学研究院生物源纤维国家重点实验室,北京100025

出　　处：《合成纤维》2017年第11期46-48,51,共4页Synthetic Fiber in China

摘　　要：采用电位滴定法对Lyocell纤维生产过程中NMMO质量分数进行了测定,探讨了超声时间、溶剂体积比等测试条件对测试结果的影响,并对测试方法的准确性及精密度进行了分析,证实该方法稳定、便捷,适用于生产过程中NMMO/水/纤维素三相体系中NMMO质量分数的快速测定。The concentration of NMMO in Lyocell fiber production was determined by potentiometric titration.The effects of ultrasonic time,type and ratio of solvent on the test results were discussed.The accuracy and precision of the method were analyzed.It was confirmed that the method was stable and convenient,and it was suitable for the rapid determination of NMMO concentration in NMMO/water/cellulose three-phase system.

关 键 词：LYOCELL纤维 NMMO 电位滴定法 NMMO/水/纤维素三相体系 

分 类 号：TQ341.9[化学工程—化纤工业]