纺织学报 ›› 2003, Vol. 24 ›› Issue (05): 9-11.

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PVP存在下直接缩聚法制备PPTA浆粕

尤秀兰;刘兆峰;傅群;胡祖明   

  1. 东华大学化学纤维与材料改性国家重点实验室 上海;200051
  • 出版日期:2003-10-15 发布日期:2003-10-15
  • 通讯作者: 尤秀兰

  • Online:2003-10-15 Published:2003-10-15

摘要: 低温溶液缩聚直接制备对位芳纶浆粕 (PPTAPULP)工艺中 ,加入聚乙烯吡咯烷酮 (PVP)高分子添加剂 ,并控制有关工艺因素 ,可以提高对位芳纶浆粕的分子量 ,改善其表面毛羽化程度 ,提高浆粕的长径比

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