2006•Huadong Li-Gong Daxue xuebaoRequires access

State of the Art of Poly(vinyl alcohol) Membrane for Pervaporation

Zhang Pei-qin

Abstract

The preparation of different types of poly(vinyl alcohol)(PVA) membrane and various techniques of PVA membrane modification were described.Pervaporation(PV) performances of PVA membrane for separating organic/water and organic/organic mixtures were given.The effects of the cross-linking agent,the specifications of support membrane,the polymer network structure as well as blending PVA membrane and carriers in fixed-site carrier PVA membrane on PV separation performances were emphatically discussed.Three development trends on PVA membrane and its application in the future are proposed on the basis of the research.

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Key concepts: Pervaporation, Vinyl alcohol, Membrane, Chemical engineering, Polymer, Materials science, Alcohol, Polymer chemistry