研究了微坑穴共聚酯纤维在常规纺丝速度下纺丝熔体的流变行为和可纺性，并着重讨论了在熔融挤出过程中切片质量、熔体加工条件及流变......

Ultra-high molecular weight polyacrylonitrile (UHMW PAN ) was prepared by aqueous suspension polymerization, and the eff......