Synthesis and Characterization of New Copoly(amide-imide)s Based on 1,3- bis[4,4'-(trimellitimido)phenoxy]propane and Fumaric acid


Department of Chemistry, Faculty of Science, Arak University, Arak, 38156, Iran


In this article six new copoly(amide-imide)s (11a-c) were synthesized through the direct
polycondensation reaction of 1,3-bis[4,4'-(trimellitimido) phenoxy] propane (6) with 3,3'-
diamino diphenyl sulfone (7), 4,4'-diaminodiphenyl ether (8) and 1,5-naphtalene (9) in the
presence of fumaric acid (10) as a 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 FT-IR spectroscopy, elemental analyses, inherent viscosity, and
solubility tests. Thermal stabilities of a polymer (11a-c) were investigated by using TGA & DTG


[1] D. Wilson, H.D. Stenzenberger, P.M. Hergenrother, Polyimides, Glasgow and London: Blackie, 1990.
[2] M. K. Ghosh, K. L. Mittal, Polyimides: Fundamentals and Applications, Marcel Dekker: New York,
[3] H. Deligoz, S. Vantansever, S. Naci Koc, F. Oksuzomer, S.M.A. Gurkaynak, J. Appl. Polym. Sci. 110
(2008) 1216-1224.
[4] H. Behniafar, S. Haghighat, Polym. Advanced Technologies 19 (2008) 1040-1047.
[5] S.S. Kothawade, M.P. Kulkarni, U.K. Kharul, A.S. Patil, S.P. Vernekar, J. Appl. Polym. Sci. 108
(2008) 3881-3189.
[6] X. Zhao, Y.F. Li, Y. Shao, T. Ma, C.L. Gong, C.S. Huang, J. Appl. Polym. Sci. 107 (2008) 3119-
[7] D.J. Liaw, F.C. Chang, J.H. Liu, K.L. Wang, Kh. Faghihi, K.R. Lee, J.Y. Lai, J. Appl. Polym. Sci.
104 (2007) 3096-3102.
[8] S. Mallakpour, M. Kolahdoozan, J. Appl. Polym. Sci. 104 (2007) 1248-1254.
[9] Kh. Faghihi, Z. Mozaffari, J Appl. Polym. Sci. 108 (2008) 1152-1157.
[10] Kh. Faghihi, H. Naghavi, J. Appl. Polym. Sci. 108 (2008) 1136-1145.