Synthesis and photo-induced solution pro
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Masao Tomikawa; Frank W. Harris; Stephen Z.D. Cheng; Edward Galentier
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Article
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1996
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Elsevier Science
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English
β 527 KB
A series of new, substituted pyromellitic dianhydrides were synthesized from 1,2,4,5\_tetramethylbenzene. New soluble rigid-rod polyimides were obtained from the dianhydrides and 2,2'-bis(trifluoromethyl)-4,4'-biphenyl (PFMB) in phenolic solvents in the presence of isoquinoline as a catalyst. The po