He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:硅橡胶-聚碳酸酯富氧膜的制备

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Date of Publication:2009-04-25

Journal:膜科学与技术

Included Journals:PKU、ISTIC、CSCD

Volume:29

Issue:2

Page Number:56-59,64

ISSN No.:1007-8924

Key Words:聚碳酸酯;富氧;硅橡胶;复合膜

Abstract:以聚碳酸酯(PC)为膜材料,N-甲基吡咯烷酮(NMP)为溶剂,γ-丁内酯(γ-GBL)为添加剂,水为凝胶浴,采用浸入沉淀相转化法制备平板膜.在其表面涂敷聚二甲基硅氧烷(PDMS),制备了硅橡胶-聚碳酸酯复合膜.利用扫描电子显微镜表征基膜微观结构,以氧气渗透速率和氧氮选择性为指标,考察了聚合物/溶剂配比、添加剂浓度及硅橡胶浓度对膜性能的影响.结果表明,当PC浓度为17%,γ-GBL浓度为23%时,复合膜具有稳定的气体分离性能,其氧气渗透速率为233 GPU.

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