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

✍ Scribed by Guo-Quan Zhu; Qiao-Chun Gao; Zhi-He Li; Fa-Gang Wang; Hua Zhang

Book ID
111491404
Publisher
Versita
Year
2010
Tongue
English
Weight
395 KB
Volume
64
Category
Article
ISSN
0366-6352

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✦ Synopsis

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.

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