热致相分离法制备扩链PET微孔膜及其表征Preparation and Characterization of Chain-Extended PET Microporous Membrane by Thermally Induced Phase Separation
夏艳平;王凯;
摘要(Abstract):
采用热致相分离法制备扩链聚对苯二甲酸乙二醇酯(PET)微孔膜,研究了三(环氧丙基)异氰尿酸酯(TGIC)用量及铸膜液N-甲基吡咯烷酮(NMP)初始浓度对PET微孔膜结构的影响。结果表明:随着TGIC用量增加,PET膜孔径减小,孔分布变得密集;TGIC1.2质量份时扩链PET膜的孔径最小(0.5μm左右),孔的分布最密集。保持TGIC扩链剂用量(1.2质量份)不变,扩链PET膜的孔径随着NMP初始浓度的减小而减小。NMP的初始质量浓度为10%时,PET膜是由微孔和球两部分组成。
关键词(KeyWords): 聚对苯二甲酸乙二醇酯;三(环氧丙基)异氰尿酸酯;微孔膜;形貌
基金项目(Foundation): 国家自然科学基金青年项目(BK51303016);; 江苏省高校自然科学研究项目(13KJB430004);; 常州市科技社会发展项目(CE20195007)
作者(Authors): 夏艳平;王凯;
DOI: 10.19690/j.issn1004-3055.20200240
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