发明公开
EP2236965A3 Method of Drying Polymeric Film and Method of Producing Polymeric Water-Vapor Barrier Film 审中-公开
一种用于制备聚合物的水蒸汽阻隔膜干燥的聚合物膜和方法的方法

Method of Drying Polymeric Film and Method of Producing Polymeric Water-Vapor Barrier Film
摘要:
A method of drying polymeric film, the polymeric film being formed by applying on a support a coating solution containing a polymeric compound having water vapor barrier properties, at least one organic solvent and a compound having a hydrophilic functional group which has a water solubility of 0.3 to 7 g/100 mL at 25°C, the method including: a hot air drying step in which the polymeric film is dried to the dry point by hot air, and a steam drying step in which drying is performed with steam.
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