Preparation and Characterization of Hydrophilic Ultrafiltration Membrane with PVDF and PAA Blends

Li Guo Wang; Xiao Guang Zhang; Shi Qi Guo; Ai Min Wang; Xiu Ju  Wang; Si Quan Liu

doi:10.4028/www.scientific.net/KEM.480-481.691

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 480-481Preparation and Characterization of Hydrophilic...

Preparation and Characterization of Hydrophilic Ultrafiltration Membrane with PVDF and PAA Blends

Abstract:

Hydrophilic Polyvinylidene fluoride (PVDF) flat ultrafiltration membranes were prepared by wet-spinning method. The influence of blending ratio ( the mass ratio of PVDF and PAA), polymer concentration on preparation of blending modified hydrophilic PVDF ultrafiltration membranes were investigated, the technical parameters of preparation of hydrophilic PVDF membranes were determined, and hydrophilic PVDF membranes were prepared. Then, hydrophilic PVDF membranes were characterized in terms of IR spectra, contact angle, scanning electron microscopy images, pure water flux and rejection. The results showed that hydrophilic ultrafiltration membrane could be prepared with PAA and PVDF blends, the hydrophilicity improved greatly, and it was better than traditional PVDF membrane.

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Periodical:

Key Engineering Materials (Volumes 480-481)

Pages:

691-696

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.480-481.691

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Online since:

June 2011

Authors:

Li Guo Wang, Xiao Guang Zhang, Shi Qi Guo, Ai Min Wang, Xiu Ju Wang, Si Quan Liu

Keywords:

Blend, Hydrophilic Membranes, Modified, Polyacrylic Acid (PAA), Polyvinylidene Fluoride (PVDF)

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