The method of the invention can facilitate continuous high polymer resin filtration film to be formed on the surface of nonwovens;

本发明使非织造材料表面上可形成连 续的高分子树脂过滤膜。

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Gore film filtration is a mature film separating technology of Gore Company of American.

戈尔膜过滤是美国戈尔公司成熟的膜分离先进技术。

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The filtration mechanism of PVA17-88 crosslinked is that the formation of a fine film between filtrate medium and cake can prevent loss of water in slurry into formation.

加入交联剂的PVA17 - 88降失水剂的降滤失机理是：在过滤介质与滤饼之间形成一层致密的薄膜，阻止了水泥浆中的水向地层流失。

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