利用对苯二酚(HQ)、2,4-二硝基氯苯(24DNCB)和碳酸钾在N,N-二甲基甲酰胺(DMF)和甲苯的混合溶剂体系中回流反应,合成得到了1,4-双(2,4-二硝基苯氧基)苯(14BDNPOB);随后,在Pd/C-水合肼的还原体系中进一步还原,得到了1,4-双(2,4-二氨基苯氧基)苯(14BDAPOB).利用差示扫描量热计(DSC)、傅立叶转换红外光潜仪(FT-IR)等仪器,对其进行了表征.另外,将所得到的1,4-双(2,4-二氨基苯氧基)苯(14BDAPOB)、4,4'-二氨基二苯醚(440DA)与均苯四甲酸二酐(PMDA)在强极性非质子有机溶剂中进行聚合反应,得到了粘稠状的支化型聚酰胺酸(PMDA/440DA/14BDAPOB-PAA)溶液,涂膜、热亚胺化,得到了相应的支化型聚酰亚胺(PMDA/440DA/14BDAPOB-PI)薄膜,并对其性能进行了研究.
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