添加剂草酸对酚酞基聚芳醚酮(PEK-C)微孔膜的影响

1.清华大学化学工程系,北京100084

2.清华大学化学工程系,北京100084

3.清华大学化学工程系,北京100084

4.清华大学化学工程系,北京100084

基金项目: 国家自然科学基金(20576059;20676067) 国家重点基础研究发展计划(973计划)(2003CB615701)

Effect of oxalic acid as nonsolvent additive on formation of PEK- C microporous membrane

以新型耐高温工程塑料酚酞基聚芳醚酮(PEK-C)为膜材料,N,N-二甲基乙酰胺为溶剂,研究非溶剂添加剂草酸对铸膜液体系热力学性质和凝胶速率的影响,并考查添加剂草酸浓度对成膜结构与性能的影响,对草酸在PEK-C/DMAc铸膜液体系中的作用规律进行深入探讨.

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