纺丝工艺对离子液体法新型纤维素纤维性能的影响  

Effect of Spinning Process on the Performance of New Cellulose Fiber from Ionic Liquids

作　　者：蔡涛 张慧慧[1] 郭清华[1] 邵惠丽[1] 胡学超[1] 

机构地区：[1]东华大学材料学院纤维材料改性国家重点实验室,上海201620

出　　处：《合成纤维》2009年第5期11-14,共4页Synthetic Fiber in China

基　　金：国家自然科学基金项目(批准号50873024);高等学校学科创新引智计划项目(No.111-2-04)

摘　　要：以离子液体1-丁基-3-甲基咪唑氯盐([BMIM]C)l为溶剂,用干湿法纺丝制备了再生纤维素纤维,通过正交试验设计和系统试验,考察了气隙长度、喷头拉伸比、凝固浴浓度和凝固浴温度等工艺参数对制得的再生纤维素纤维的力学性能的影响,找出离子液体法新型纤维素纤维的最佳纺丝工艺。试验结果表明,对于该体系,纺丝工艺参数中凝固浴温度和拉伸比对纤维的拉伸强度、初始模量的影响最大,气隙长度对纤维断裂伸长影响最大。The new regenerate cellulose fiber was made by the method of dry-wet spinning using the ionic liquid [BMIM]Cl as the solvent. The influence of spinning parameters including length of air gap, draw down ratio, coagulation bath concentration and coagulation bath temperature on the mechanical performance of the cellulose fiber was studied via orthogonal design and experiments and the best spinning process conditions were found. The result of experiments showed that the tensile strength and the initial modulus of the regenerate cellulose fiber were mainly effeeted by coagulation bath temperature and draw down ratio, and the breaking elongation of the regenerate cellulose fiber was effected mainly by the length of air gap.

关 键 词：离子液体 纤维素纤维 纺丝工艺 凝固浴 

分 类 号：TQ340.6[化学工程—化纤工业]