葛锋;王雪梅;冉祥海;

• 1:中国科学院长春应用化学研究所高分子复合材料工程实验室
• 2:中国科学院大学

摘要(Abstract)：

以N,N'-二甲基甲酰胺/四氢呋喃(DMF/THF)混合液为溶剂,基于铝箔的支撑,采用静电纺丝法制备了聚(偏氟乙烯-三氟乙烯)(P(VDF-Tr FE))纤维膜。研究了混合溶剂质量比对纤维形貌、晶相结构和结晶度的影响。结果表明:当溶剂质量比(m(DMF):m(THF))由8:2变化至5:5时,纤维的形貌发生显著改变,圆形的珠丝逐渐被拉长变成梭形,最终形成直径均匀的纤维,且结晶度由67.1%增至71.0%,但对所制纤维膜的晶型影响较小,其晶型均为极性β晶。

关键词(KeyWords)： 聚(偏氟乙烯-三氟乙烯);静电纺丝;晶相结构;β晶型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(21504091)

作者(Authors): 葛锋;王雪梅;冉祥海;

DOI: 10.15925/j.cnki.issn1005-3360.2018.10.005

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