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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Synthesis of Block Ionomer Based on RAFT Process and the Properties of Its Blend Membranes with PVDF
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1377-1381)
Author(s): Chun-hui Du, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012
Chun-jin Wu, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012
Li-guang Wu, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012 National Engineering Research Center for Liquid Separation Membrane, Hangzhou, China, 310012
Wen Xiang, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012
Yan Teng, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012
Ye Jin, College of Environ. Sci. & Eng., Zhejiang Gongshang University, Hangzhou, China, 310012
Abstract: PMMA-b-PDMAEMA block ionomer was successfully synthesized via reversible addition-fragmentation chain transfer (RAFT) technique, the resulting copolymer was characterized by FT-IR and GPC. And then the block ionomer was blended with PVDF to improve the properties of PVDF membranes. The modified blend membrane exhibited better properties such as hydrophilicity, fouling-resistant and filter flux than those of neat PVDF membranes. Moreover, the flux of aqueous solution through the 14.3 wt% PMMA-b-PDMAEMA/PVDF blend membranes increased with increasing the solution pH values from 5 to 10, and the membranes displayed good pH responsive properties.
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