Synthesis and characterization of polyam
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D. Venkatesan; M. Srinivasan
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Article
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1993
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Elsevier Science
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English
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Two diimido-dicarboxylic acids, bis-4-[N-(4-carboxy phthalimido)phenyl]sulphone(I) and bis-4,4'-[N, N'-(4-carboxy phthalimido)]azobenzene(ll), were synthesized and aromatic polyamideimides were obtained from them by direct polycondensation with various aromatic diamines using triphenyl phosphite. Si