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Preparation of PVDF/BC blend membranes and its performance study
Authors: ZHAO Zi-nian1, ZHOU Lu-lu1, JIA Shi-ru2
Units: 1. College of Material Science and Chemical Engineering,Tianjin University of Science & Technology, 2. Key Laboratory of Industrial Fermentation Microbiology,Ministry of Education,College of Biotechnology, Tianjin University of Science & Technology,Tianjin 300457,China
KeyWords: BC; BC/SiO2 composite; blend membrane
ClassificationCode:O636.9;TB332;TB383
year,volume(issue):pagination: 2013,33(6):38-42

Abstract:
The PVDF/BC blend membranes were prepared by adding bacterial cellulose (BC) and BC/SiO2 composites by means of phase separation method. Membrane structures and properties were characterized by Scanning Electron Microscope (SEM) and membrane performance tester. The water flux was improved by the addition of BC, but the retention rate decreased. When the BC content is around 0.4%, the blend membrane got the better performance. In the PVDF/BC/SiO2 blend membranes, BC/SiO2 composites were added. In this case, the water flux decreased, while the retention rate was increased.

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AuthorIntro:
赵梓年(1964—),男,天津市人,副教授,主要从事功能高分子材料及加工技术.(znzhao@tust.edu.cn)

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