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Membranes 2014, 4(1), 81-95; doi:10.3390/membranes4010081

Preparation of Polyvinylidene Fluoride (PVDF) Hollow Fiber Hemodialysis Membranes

1
Institute of Biological and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
2
State Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China
*
Author to whom correspondence should be addressed.
Received: 15 November 2013 / Revised: 7 January 2014 / Accepted: 12 February 2014 / Published: 27 February 2014
(This article belongs to the Special Issue Selected Papers from AMS8 Conference (July 2013, Xi’an, China))
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Abstract

In this study, the polyvinylidene fluoride (PVDF) hollow fiber hemodialysis membranes were prepared by non-solvent induced phase separation (NIPS). The influences of PVDF membrane thickness and polyethylene glycol (PEG) content on membrane morphologies, pore size, mechanical and permeable performance were investigated. It was found that membrane thickness and PEG content affected both the structure and performance of hollow fiber membranes. The tensile strength and rejection of bovine serum albumin (BSA) increased with increasing membrane thickness, while the Ultrafiltration flux (UF) flux of pure water was the opposite. The tensile strength, porosity and rejection of BSA increased with increasing PEG content within a certain range. Compared with commercial F60S membrane, the PVDF hollow fiber membrane showed higher mechanical and permeable performance. It was proven that PVDF material had better hydrophilicity and lower BSA adsorption, which was more suitable for hemodialysis. All the results indicate that PVDF hollow fiber membrane is promising as a hemodialysis membrane. View Full-Text
Keywords: PVDF; non-solvent-induced phase separation; hollow fiber hemodialysis membrane; polyethylene glycol; performance of membrane PVDF; non-solvent-induced phase separation; hollow fiber hemodialysis membrane; polyethylene glycol; performance of membrane
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhang, Q.; Lu, X.; Zhao, L. Preparation of Polyvinylidene Fluoride (PVDF) Hollow Fiber Hemodialysis Membranes. Membranes 2014, 4, 81-95.

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