Polymeric Azo Dyes Derived from 4-[4-(4-dimethylamino-1-phenylazo) phenyl]-1,2,4-triazolidine-3,5-dione and Diisocyanates

S. E. Mallakpour; H. Nasr Isfahani, Iranian Polym. J. 2001, 10(2), 107. Polymeric Azo Dyes Derived from 4-[4¢-(4-dimethylamino-1-phenylazo) phenyl]-1,2,4-triazolidine-3,5-dione and Diisocyanates.