Preparation of temperature sensitive poly(vinylidene fluoride) hollow fiber membranes grafted with N-isopropylacrylamide by a novel approach

被引：16

作者：

Wang, W. Y. ^{[1
]}

Chen, L. ^{[1
]}

Yu, X. ^{[1
]}

机构：

[1] Tianjin Polytech Univ, Sch Mat Sci & Chem Engn, Key Lab Hollow Fiber Membrane Mat & Membrane Proc, Minist Educ, Tianjin 300160, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 101卷 / 02期

关键词：

poly(vinylidene fluoride); N-isopropylacrylamide; membranes; hydrogels; temperature sensitive;

D O I：

10.1002/app.22914

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In the present study, the temperature sensitive PVDF-g-NIPAAm HIM was prepared by grafting N-isopropylacrylamide (NIPAAm) on poly(vinylidene fluoride) (PVDF) hollow fiber membrane (HFM) using a novel approach, alkaline treatment method. The structures of PVDF-g-NIPAAm HIM were characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR), respectively. The effects of alkaline treatment time and grafting yield on the mechanical properties of PVDF HFM were measured and analyzed. In addition, the temperature sensitive behavior of PVDF-g-NIPAAm HFM and the effect of grafting yield on the temperature sensitive behavior were investigated by the flux of pure water and the rejection of ovalbumin. (c) 2006 Wiley Periodicals, Inc.

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页码：833 / 837

页数：5

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