作者: Chunhai Chen , Rikio Yokota , Masatoshi Hasegawa , Masakatsu Kochi , Kazuyuki Horie
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摘要: A series of polyimides (PIs) were prepared from three biphenyltetracarboxylic dianhydrides (BPDA) isomers, ie, 3, 3′, 4, 4′-BPDA (s-BPDA), 2, 3, 3′, 4′-BPDA (a-BPDA), and 2 …