Surface Modification of Polypropylene Microporous Membrane by the Immobilization of Dextran

Chem. J. Chinese Universities ›› 2005, Vol. 26 ›› Issue (1): 189.

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Surface Modification of Polypropylene Microporous Membrane by the Immobilization of Dextran

YANG Qian¹, XU Zhi-Kang¹, Mathias Ulbricht²

1. Institute of Polymer Science, College of Chemical Engineering of Material, Zhejiang University, Hangzhou 310027, China;
2. Institut fr Technische Chemie, Universitt Essen, 45117 Essen, Germany

Received:2004-08-31 Online:2005-01-10 Published:2005-01-10

Abstract

Abstract: Aminoethyl methacrylate(AEMA) was grafted onto the polypropylene microporous membrane by photo-induced polymerization to immobilize dextran. XPS spectra confirmed the chemical change of the membrane surface after the graft polymerization of AEMA and the immobilization of dextran. The water contact angle measurement indicated that the hydrophilicity of the membrane surface can be increased reparably by the dextran immobilization.

Key words: Polypropylene microporous membrane, Dextran, Surface modification=

CLC Number:

O631

TrendMD:

YANG Qian, XU Zhi-Kang, Mathias Ulbricht . Surface Modification of Polypropylene Microporous Membrane by the Immobilization of Dextran[J]. Chem. J. Chinese Universities, 2005, 26(1): 189.

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Surface Modification of Polypropylene Microporous Membrane by the Immobilization of Dextran

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