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

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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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Correspondence to Guo-Quan Zhu.

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Zhu, GQ., Gao, QC., Li, ZH. et al. Modification of poly(vinyl alcohol) membrane via blending with poly(γ-benzyl l-glutamate)-block-poly(ethylene glycol) copolymer. Chem. Pap. 64, 776–782 (2010). https://doi.org/10.2478/s11696-010-0069-8

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