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Modification of poly(vinyl alcohol) membrane via blending with poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) copolymer

Guo-Quan Zhu, Qiao-Chun Gao, Zhi-He Li, and Fa-Gang Wang and Hua Zhang

School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255049 China

 

E-mail: guoquanzhu111@163.com

Abstract: A series of poly(vinyl alcohol) (PVA)/poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) (PBLG-b-PEG) blend membranes with different PVA/PBLG-b-PEG mole ratios were prepared by pervaporation. Structure and morphologies of PVA/PBLG-b-PEG blend membranes were investigated using Fourier transformation infrared spectroscopy (FTIR), and atomic force microscopy (AFM). Mechanical and chemical properties of PVA/PBLG-b-PEG blend membrane were studied by tensile testing and other physical methods. It was revealed that the introduction of PBLG-b-PEG copolymer has significant effect on the properties of a PVA membrane.

Keywords: modification - membrane - poly(vinyl alcohol) - poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) - blend

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-010-0069-8

 

Chemical Papers 64 (6) 776–782 (2010)

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