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Desalination and Water Treatment Volume 54, 2015 - Issue 11
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Articles

Preparation of a PVDF hollow fiber blend membrane via thermally induced phase separation (TIPS) method using new synthesized zwitterionic copolymer

Saeid RajabzadehDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180
,
Daichi OgawaDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180
,
Yoshikage OhmukaiDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180
,
Zhuang ZhouDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180
,
Toru IshigamiDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180
&
Hideto MatsuyamaDepartment of Chemical Science and Engineering, Center for Membrane and Film Technology, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe657-8501, Japan, Tel./Fax: +81 78 8036180Correspondence[email protected]
Pages 2911-2919 | Received 10 Dec 2013, Accepted 09 Mar 2014, Published online: 22 Apr 2014
 
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Abstract

Antifouling properties of PVDF hollow fiber membrane were improved by the addition of a new synthesized zwitterionic copolymer. This copolymer was synthesized using methyl methacrylate and the zwitterionic monomer 3-(methacryloylamino)propyl-dimethyl(3-sulfopropyl) ammonium hydroxide) (MPDSAH). The copolymer was used as additive in the preparation of a poly(vinylidene fluoride) (PVDF) hollow fiber membrane via thermally induced phase separation. With addition of the copolymer, the crystallization temperature and spherulite growth rate of the polymeric solution decreased sharply. Quartz crystal microbalance with dissipation monitoring results showed that bovine serum albumin (BSA) interactions with the prepared PVDF/copolymer film sharply decreased with addition of the synthesized copolymer. BSA filtration results showed that the membrane had higher antifouling resistance than a membrane without the copolymer additive.

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