Poly(vinylalcohol) (PVA) is a multi-hydroxyl polymer, which can be prepared from natural gas, thus becomes more and more important in the situation of petroleum scarcity.
Poly (vinylalcohol) (PVA) is widely used in textile industry as a sizing agent.
聚乙烯醇(PVA)在纺织工业中被广泛用作上浆剂。
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By coating the blend of poly (vinylalcohol) and chitosan on the inner surface of poly (acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.