Polyvinl alcohol(PVA) is only one water-soluble high polymer we know at present , it is the saponification substance of vinyl acetate, mainly used in produce fibre.
聚乙烯醇（PVA）是由醋酸乙烯经皂化而成的高分子化合物，是目前发现的唯一具有水溶性的高聚物，主要用于生产维纶纤维。
Polyvinl alcohol(PVA) is only one water-soluble high polymer we know at present , it is the saponification substance of vinyl acetate, mainly used in produce fibre.
聚乙烯醇（PVA）是由醋酸乙烯经皂化而成的高分子化合物，是目前发现的唯一具有水溶性的高聚物，主要用于生产维纶纤维。
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