【摘要】 以二联苯四羧酸二酐、4,4-二氨基二苯醚和N,N-二甲基乙酰胺为主要原材料,采用复合膜化法,制成聚酰亚胺膜分离材料。经测试,耐热分解能力达321.9℃,对常见的有机化学试剂的侵蚀均有不同程度的抵抗作用,对氢气分离具有和高的选择能力,达98.5%以上的分离能力。更多还原

【Abstract】 Polyimide membrane separation materials was made used 4,4’-Biphthalic dianhydride,4,4`-diaminodiphenyl ether and DMAC by composite membrane method.The result of test was that the Heat decomposition-resistant capability of the material was 321.9℃,the material had ability to prevent the erosion of common organic reagents,and its separation efficiency to Hydrogen was high than 98.5%.更多还原