改性低温PVA/PAM(聚乙烯醇/聚丙烯酰胺)复合膜较低温PVA膜机械强度更好.PAM掺入PVA后并不影响PVA的低温结晶过程,低温PVA/PAM的性能相似于低温PVA膜.由于PVA/PAM复合膜是PVA物理交联与PAM化学交联的互穿网络结构,因此PVA与PAM的交联都可制约小分子透过膜的速度.
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