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CAST FILMS MICROPOROUS MEMBRANES AND METHOD OF PREPARATION THEREOF
CAST FILMS MICROPOROUS MEMBRANES AND METHOD OF PREPARATION THEREOF
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机译:铸膜微孔膜及其制备方法
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摘要
There is provided a method for controlling the morphology of a cast film. The method comprises extruding a cast film by controlling a cooling rate of the cast film by applying on the film a gas at a gas cooling rate of at least about 0.4 cm3/s per kg/hr in accordance with the extrudate flow rate.
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机译:提供了一种用于控制流延膜的形态的方法。该方法包括通过根据流延物流速以至少约0.4cm 3 / s / kg / hr的气体冷却速率在膜上施加气体来控制流延膜的冷却速度来挤出流延膜。
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