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:紫外辐射接枝法制备双重敏感性渗透分离膜

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Date of Publication:2005-12-01

Page Number:8

Key Words:紫外辐射接枝;靶向给药;双重敏感性;N-异丙基丙烯酰胺;膜

Abstract:以二苯甲酮为引发剂,通过紫外辐射引发表面嵌段接枝聚合的方法在聚丙烯微滤膜表面先后引入了具有温度敏感特性的聚异丙基丙烯酰胺(PNIPAAm)和具有pH敏感性的α-甲基丙烯酸 (MAA)接枝聚合物层。接枝膜用反射红外光谱(FTIR)和扫描电子显微镜(SEM)等对接枝层组成进行了表征,结果证实了接枝层的存在。实验发现,延长紫外辐射时间有利于接枝率的提高,且两者近似呈线性关系,并研究了渗透分离膜的温度和pH的双重敏感特性,分析了接枝率、膜孔径对通量的影响。

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