然后利用相似相溶原理选择了四种有机溶剂进行剥离实验：丙酮、二甲苯、二甲基甲酰胺及乙酸乙酯。

Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.

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理化性质：白色结晶性粉末、溶于水、稀醇、液氨和二甲基甲酰胺，而不溶于乙醇、醚和丙酮。

Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.

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本工作把醋酸纤维素溶解于丙酮-甲酰胺混合溶剂中，随后制成膜。

Cellulose acetate (ca) ultrafiltration membranes are made from casting solutions obtained by dissolving ca in acetone-formamide mixed solvent.

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