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Preparation of Anti-Fouling Poly(Lactic Acid)(PLA) Hollow Fiber Membranes via Non-Solvent Induced Phase Separation

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Abstract:

Anti-fouling PLA hollow fibers were fabricated using synthesized PLA-PEG-PLA copolymer as an additive to improve the hydrophilicity. The tri-block copolymer was prepared by ring-opening polymerization and a hydrophilic copolymer processing good compatibility with PLA molecule was obtained and utilized to fabricate membrane with PLA by NIPS. Elemental analysis showed that PLA-PEG-PLA could stably exist in membranes and endow the membrane with persistent hydrophilic. Thus the contact angle decreased nearly 20o with 5% PLA-PEG-PLA content, resulting in higher water permeability and BSA rejection which indicated the anti-fouling property of PLA membrane was improved.

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Info:

Periodical:

Advanced Materials Research (Volumes 884-885)

Pages:

112-116

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.884-885.112

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Online since:

January 2014

Authors:

Peng Shen*, Kai Tu, Chang Yu Yang, Jian Li, Ru Xu Du

Keywords:

Anti-Fouling, Copolymer Additive, Hydrophilic, PLA Hollow Fiber Membranes

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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