Short Communication Synthesis and Characterization of New Copoly(amide-imide)s Based on N,n’-(4,4’-diphenylsulfone)bistrimellitimide with Different Diacids and Diamines
نویسندگان
چکیده
In this paper six new copoly(amide-imide)s (7a-f) were synthesized through the direct polycondensation reaction of N,N'-(4,4'-diphenylsulfone)bistrimellitimide (1) with 4,4'-diamino diphenylsulfone (2), 4,4'-diamino diphenylether (3), in the presence of adipic acid (4), fumaric acid (5) or terephthalic acid (6) as the second diacid in a medium consisting of N-methyl-2-pyrrolidone, triphenyl phosphite, calcium chloride and pyridine. The resulted polymers were fully characterized by means of FTIR spectroscopy, elemental analyses, inherent viscosity, solubility tests and UV-vis spectroscopy. Thermal stabilities of resulted polymers (7a-c) containing three different second diacids were compared by using TGA and DTG thermograms.
منابع مشابه
Synthesis and Characterization of New Copoly(amide-imide)s Based on 1,3- bis[4,4'-(trimellitimido)phenoxy]propane and Fumaric acid
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