膜蒸馏用聚偏氟乙烯微孔膜制膜条件研究  

Study on situations of preparating microporous PVDF membranes for membrane distillation

作　　者：邵改芹[1] 张健飞[2] 顾振亚[1] 张永波[1] 

机构地区：[1]天津工业大学材料科学与化学工程学院,天津300160 [2]天津工业大学纺织与服装学院,天津300160

出　　处：《天津工业大学学报》2004年第4期78-82,共5页Journal of Tiangong University

摘　　要：以聚偏氟乙烯(PVDF)为膜体材料,以无机盐LiCl为添加剂,通过相转换法制备蒸馏膜,讨论确定了最优制膜条件为:使用高相对分子质量PVDF,采用DMF溶剂,PVDF浓度为10%,预挥发时间为0.5～1min,LiCl质量分数为3%～5%.The microporous hydrophobic PVDF membranes for membrane distillation were prepared by phase-inversion process with LiCl as the additives. The proper processing conditions are: utilizing high molecular weight of PVDF, taking DMF as the solvent, PVDF concentration is 10%, time of volatilization is 0.5-1 min, Lithium Chloride content is 3%-5%.

关 键 词：膜蒸馏 聚偏氟乙烯 膜性能 

分 类 号：TS102.54[轻工技术与工程—纺织工程]