用链引发聚合法制备了GG-g-PNIAAm聚合物,并用浇铸蒸发法制备了含有不同戊二醛的温敏膜,通过凝胶增重法考察含不同戊二醛量的温敏膜在RH75%,40℃与25℃温度时的透湿特点.实验结果显示,聚合物的LCST约为37.5℃.当温度高于共聚物的LCST时,温敏膜收缩,膜的透湿性增强;交联剂的加入使得温敏膜的透湿性降低.证明了异丙基丙烯酰氨-g-瓜耳胶(PNIAAm-g-GG)温敏膜透湿性具有明显的温度依赖性.
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