A Novel Approach for the Surface Modification of Polymeric Membrane with Phospholipid Polymer

A new economic and convenient method to modify the surface of microporous polypropylene (PP) membranes with phospholipid polymer was given.The process included the photo-irradiated graft polymerization of N,N-dimethylaminoethyl methacrylate (DMAEMA) and the ring-opening reaction of the grafted polyDMAEMA with 2-alkyloxy-2-oxide-1,3,2-dioxo- phospholanes (AOP).Four AOPs, whose alkyloxy groups consisted of dodecyl, tetradecyl, hexadecyl and octadecyl moieties, were used to convert the grafted polyDMAEMA to phospholipid polymers.FT-IR spectra confirmed the chemical change of membrane surface.Platelets adhesion experiment indicated that PP membrane with excellent blood compatible surface could be fabricated by this method.

作 者： Qing Wen DAI Zhi Kang XU Jian Wu   作者單位： Qing Wen DAI,Zhi Kang XU(Institute of Polymer Science, Zhejiang University, Hangzhou 310027)

Jian Wu(Department of Chemistry, Zhejiang University, Hangzhou 310027) 

刊 名： 中國化學快報(英文版)  ISTIC SCI 英文刊名： CHINESE CHEMICAL LETTERS  年，卷(期)： 2004 15(8)  分類號：   關鍵詞： Surface modification   phospholipid polymer   platelets adhesion  

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