拉伸热定型对PPS纤维结构与性能的影响  

Effect of Drawing and Heat Setting on Structure and Properties of Poly(Phenylene Sulfide) Fiber

作　　者：孔清[1,2] 崔宁[2] 董知之[1] 张志英[1] 吴鹏飞[2] 陈莉[1] 

机构地区：[1]中空纤维膜材料与膜过程省部共建国家重点实验室,天津工业大学材料科学与工程学院,天津300160 [2]中国纺织科学研究院,生物源纤维制造技术国家重点实验室,北京100025

出　　处：《高分子材料科学与工程》2012年第10期85-89,共5页Polymer Materials Science & Engineering

基　　金：国家科技支撑计划(2007BAE28B05);天津工业大学与中国纺织科学研究院合作项目(20090416)

摘　　要：以国产聚苯硫醚(PPS)为原料,采用熔融法纺丝制备PPS纤维,测定了拉伸倍数、拉伸温度和热定型温度对纤维结构与性能的影响。结果表明,PPS纤维的断裂强度和整体取向随拉伸倍数的变化趋势一致,收缩率随拉伸倍数的增大而增大;随着拉伸温度的升高,纤维收缩率减小,而断裂强度和取向呈先增大后减小的趋势;随热定型温度升高,纤维断裂强度增大,收缩率减小。Using domestic polyphenylene sulfide（PPS） resin as the raw material,PPS fiber was prepared by melting spinning process.The effect of draw ratio,draw temperature and heat setting temperature on the structure and properties of PPS fiber was studied.The results show that the failure stress and orientation degree increase when the draw ratio and heat setting temperature raise,the shrinkage rate increases with the draw ratio increasing.The failure stress and orientation degree increase to a maximum firstly and then decrease when the draw temperature is elevated,but the shrinkage rate drops as the draw temperature and heat setting temperature increase.

关 键 词：聚苯硫醚 拉伸 热定型 力学性能 取向 

分 类 号：TQ342.739[化学工程—化纤工业]