The water-solubility of poly(vinyl alcohol)(PVA) films is analyzed from the polymer structure, the blend modification method is put forward to increase the water solubility of PVA films.

• 从聚合物结构方面分析了聚乙烯醇(PVA)薄膜的水溶性,提出用共混改性方法提高PVA薄膜的溶解性能。