以偏苯三酸酐、甲苯二异氰酸酯及间/对苯二甲酸(m/p-PTA)合成的酰胺酰亚胺二元酸(AIDA-Ⅰ或AIDA-Ⅱ),与己二酸、新戊二醇及甘油熔融共缩聚得到酰胺酰亚胺聚酯多元醇,采用该多元醇与封闭型多异氰酸酯经高温脱封交联后成功地制得一种交联型酰胺酰亚胺聚氨酯膜.结果表明,所合成的酰胺酰亚胺聚氨酯膜的热分解稳定性、耐溶剂性、拉伸强度和模量,与无酰胺酰亚胺基团改性的聚氨酯膜相比有显著提高,其中以AIDA-Ⅱ改性的酰胺酰亚胺聚氨酯膜的综合性能更优.
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