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Synthesis and characterization of new polyimides and polyamide-imides containing azomethine group in the polymer backbone

โœ Scribed by Susheela B. Idage; Bhaskar B. Idage; Subhash P. Vernekar

Publisher
Springer
Year
1989
Tongue
English
Weight
376 KB
Volume
22
Category
Article
ISSN
0170-0839

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Two diaminocalix[4] arene monomers were synthesized from p-tertbutylcalix[4]arene through a 4-step reaction sequence. New copoly(amic acid)s containing calix[4]arene moieties on the polymer backbone were successfully synthesized in N-methyl-2-pyrrolidone by polycondensations of 4,4ะˆ-oxydiphthalic a