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Preparation and properties of 4A zeolite/PVDF/SMA-g-PEG blend membrane

Authors： ZHANG Dong-Xu1, WANG Hai-Bo2, TIAN Li1, ZHANGYan-Li1, WANG Kai 3, LI Chun-Li1, QIU Guang-Ming1*,TIAN Rui1

Units： 1.College of Energy and Power Engineering, Inner Mongolia University of technology, Huhhot 010000,China; 2. School of Civil Engineering, Inner Mongolia University of Technology, Huhhot 010000, China; 3. College of Chemistry and Chemical Engineering, Inner Mongolia Key Laboratory of Photoelectric Materials, Chifeng University, Chifeng 02400,China.

KeyWords： PVDF, 4A zeolite, SMA-g-PEG, blending modification

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2018,38(3):48-54

Abstract：

In order to improve the water flux, anti-fouling ability and service life of PVDF ultrafiltration membrane, hydrophilic modification of PVDF membrane was carried out. 4A zeolite molecular sieve as inorganic additive was introduced into PVDF/SMA-g-PEG matrix to prepare 4A zeolite /PVDF/SMA-g-PEG membrane. The film sample porosity was 76.31%, pure water flux was 700.30L/m2h, the retention of BSA was 65.5%, pure water flux recovery rate was 94.6% and the change rate of 100s contact angle increased gradually. The tensile strength and elongation at break increased by 84.9% and 213.6% respectively when the mass fraction of 4A zeolite was 16%. The hydrophilicity, anti-fouling and mechanical properties of 16% 4A zeolite /PVDF/SMA-g-PEG blend membrane were higher than that of PVDF membrane, so the application prospect of the membrane is broad.

Funds：

内蒙古自然科学基金 (2015 MS0534) 、国家自然基金（51263013）、内蒙古工业大学科研基金（X201612）

AuthorIntro：

张东旭（1992-），男，吉林，研究生，硕士，膜科学技术与新能源，E-mail：1394722530@qq.com * 通讯作者，E-mail：qiugm@imut. edu. cn

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