Diisocyanate route as a convenient method for the preparation of novel optically active poly(amide-imide)s based on N-trimellitylimido-S-valine.

S. Mallakpour; and F. Rafiemanzelat. Eur. Polym. J. 2005, 41, 2945-2955. Diisocyanate route as a convenient method for the preparation of novel optically active poly(amide-imide)s based on N-trimellitylimido-S-valine.