Solvent system including solvent and nonsolvent in membrane casting solution plays an important role for making the morphology of asymmetric membrane.

铸膜液的溶剂体系(溶剂和非溶剂)对不对称膜形态的形成有重要作用。

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The effect of good solvents on polysulfone ultrafiltration membrane casting solution was one of the determining factors.

聚砜超滤膜铸膜液中，良溶剂的影响是决定超滤膜的主要因素之一。

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A positively charged composite NF membrane was prepared by casting quaternized chitosan solution onto PAN ultrafiltration membrane and using mixed anhydride as cross-linking reagent.

采用流延的方式，将季铵化壳聚糖溶液与聚丙烯腈超滤膜进行复合，以混酐作交联剂，制备了一种荷正电复合纳滤膜。

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