报道了用干/湿相转换方法制得的不对称CAB膜的形态、氧氮透气性与铸膜液中混合溶剂蒸发时间的关系.以红外光谱监测混合溶剂的蒸发过程各个时间段的主要蒸发成分及剩余成分,说明膜的形态及其气体渗透性随铸膜液浸入到凝聚介质-水时不同的溶剂组成而变化.
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