膜科学与技术

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Preparation and properties of PVC-P (VC-VAC) -MBS blend UF membranes

Authors： Cheng Liang, Wang Ji, Gong Min，Xu Zhen-Liang

Units： State Key Lab of Chemical Engineering, Chemical Engineering Research Center, East China University of Science and Technology, Shanghai 200237, China

KeyWords： PVC membrane; vinyl chloride-vinyl acetate copolymer [P(VC-VAC)]; Methyl methacrylate-butadiene-styrene copolymer (MBS); Non-solvent induced phase separation (NIPS)

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2016,36(3):8-12

Abstract：

In this paper, PVC-P(VC-VAC)-MBS flat and hollow fiber ultrafiltration (UF) membranes were prepared by non-solvent induced phase separation (NIPS). With the changes of vinyl chloride-vinyl acetate copolymer [P(VC-VAC)] content, the mechanical and hydrophilic properties, water flux and rejection rate were investigated. Then, methyl methacrylate-butadiene-styrene copolymer (MBS) were added in the dope solution, their impacts on the mechanical properties of PVC flat membrane were examined. The experimental results show that: the best performance can be get when the P(VC-VAC) content is 4%. The pure water flux was increased from 42.5 L/(m2•h•0.1MPa) to 155 L/(m2•h•0.1MPa). At the same time, the mechanical properties of the membranes were significantly enhanced. P(VC-VAC) and MBS are excellent modified material. They could significantly improve the hydrophilic and mechanical properties of the PVC membrane.

Funds：

上海市科技攻关计划(13521102000)和江苏省科技支撑计划-工业部分(BE2013031)

AuthorIntro：

程亮(1977-)，男，北京市人，博士研究生，主要从事膜制备及应用研究工作。

Reference：

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