CORANTE POLIMERICO;POLIMERO;PELICULA E SOLUCAO DE POLIMERO;PROCESSO PARA PREPARAR POLIMERO;SAL DE POLIAZOMETINA,E SUA PELICULA E SOLUCAO;PROCESSO PARA PREPARAR SOLUCAO DESTE SAL

摘要

A poly (conjugated polymethine-type) dye which is the polycondensation reaction product in the presence of strong protic acid of an aromatic polyamine and a dicarbonyl compound. These polymers are useful in the fabrication of optical recording elements and in other electronic applications.