该增稠 剂体系包括聚乙烯醇聚合物和含硼化合物如硼酸。
The thickener system incorporates a polyvinyl alcohol polymer and a boron containing compound such as boric acid.
采用聚乙烯醇聚合物涂布基材的至少一个表面以使基材耐由和油脂。
At least one surface of the substrates is coated with a polyvinyl alcohol polymer to render the substrates resistant to oil and grease.
聚乙烯醇（PVA）是一种性能优良、用途广泛的多羟基聚合物，可从天然气制备，在目前石油资源日渐匮乏的形势下日显重要。
Poly(vinyl alcohol) (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.
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