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中文摘要：
以邻苯二甲酸二丁酯（DBP）和十二醇组成的混合溶剂为稀释剂，采用热致相分离法（TIPS法）制备了聚偏氟乙烯（PVDF）微孔膜．测试了不同体系的固-液相分离温度，研究了稀释剂、冷却条件、聚合物浓度对膜断面微观结构的影响．
英文摘要：
The flat sheet microporous PVDF membrane was prepared via thermally induced phase separation （TIPS） method using DBP/lauryl alcohol mixture as the diluent. The solid - liquid phase separation temperatures of different systems were determined by DSC, and the membrane cross- section structure was observed by scanning electron microscope （SEM）. The effects of polymer concentration, cooling rate and diluent on the membrane cross- section structure were studied.
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