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研究论文

倒相法制备多孔PVDF薄膜的条件探索

  • 任旭梅 ,
  • 白莹 ,
  • 黄学杰
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  • 北京理工大学化工与材料学院,北京理工大学化工与材料学院,北京理工大学化工与材料学院,北京理工大学化工与材料学院,中国科学院物理研究所固态离子实验室 北京100081.国家高技术绿色材料发展中心,北京100081 ,北京100081.国家高技术绿色材料发展中心,北京100081 ,北京100081

收稿日期: 2001-11-28

  修回日期: 2001-11-28

  网络出版日期: 2001-11-28

The Investigation of Prepare Condition for Micropores Membranes from Poly(vinylidene fluoride)

  • REN Xu mei ,
  • WU Feng  ,
  • BAI Ying
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  • (1. Schooh of Chemical Engineering and Materials Science, Beijing Instiute of Technology, Beijing 100081,China; 2. Laboratory for Solid State Ionics, I

Received date: 2001-11-28

  Revised date: 2001-11-28

  Online published: 2001-11-28

摘要

本文运用倒相法制备了适用于锂离子二次电池用的PVDF多孔隔膜材料 ,通过改变聚合物与溶剂、非溶剂之间的配比 ;控制温度、溶剂挥发速率、在非溶剂浴中的时间等条件 ,得到了一系列多孔PVDF薄膜 ,研究了涂敷溶液中溶剂与非溶剂的浓度对PVDF多孔膜的结构和性质的影响 ,得出了规律性的结论

关键词: 倒相法; PVDF; 薄膜

本文引用格式

任旭梅 , 白莹 , 黄学杰 . 倒相法制备多孔PVDF薄膜的条件探索[J]. 电化学, 2001 , 7(4) : 501 -505 . DOI: 10.61558/2993-074X.2735

Abstract

The micropores membranes from Poly (vinylidene fluoride) were prepared by the phase inversion process. The effects of the casting solution composition, exposure time prior to coagulation and temperature of the coagulation bath on properties of prepared membranes were investigated. For all prepared membranes an asymmetric structure, sometimes without a dense skin layer, was observed.

参考文献

[1] NunesSP ,SforcaML ,PeinemannKV .Densehydrophiliccompositemembranesforultrafiltration[J]Jour nalofMembraneScience,1995,106:49. [2] JianK ,PintauroPN ,PonangiR .Separationoforganic/watermixtureswithasymmetricPoly(vinlidenefluo ride)membranes[J].JournalofMembraneScience,1996,117:107. [3] TomaszewskaM .Preparationandpropertiesofplat-sheetmembranesfromPoly(vinylidenefluoride)formembranesdistillation[J].Desalination,1996,104:1. [4] PintauroPN ,JianKZ .Integralasymmetricfluoropolymerpervaporationmembranesandmethodofmakingthesame[P].UnitedStatesPatent:5387378,1995. [5] RenXu mei,Wufeng,etal.Preparationandpropertiesofweparatorforlithium ionbattery[J].Electro chemistry,2001,234:
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