Preparation and Characterization of New Optically Active Poly(amide-imide)s derived from N,N'-(4,4'-Sulphonediphthaloyl)-bis-(s)-(+)-valine Diacid Chloride and Aromatic Diamines under Microwave Irradiation

S. Mallakpour, and E. Kowsari, Polym. Bull. 2005, 53, 169-180. Preparation and Characterization of New Optically Active Poly(amide-imide)s derived from N,N'-(4,4'-Sulphonediphthaloyl)-bis-(s)-(+)-valine Diacid Chloride and Aromatic Diamines under Microwave Irradiation.