P - phenylenediamines n, n '- disubstituted, their process of preparation and their application as anti - oxidizing agents and gpiib - ozonants

摘要

P p - phenylenediamine n, n '- disubstituted, in which one of the substituents is a group r - thiométhylphényle. They are prepared by reacting the thiols, formaldehyde and an n - phenyl - p - phenylenediamine in the presence of an acid. These compounds are of the anti - oxidizing agents and gpiib - ozonants for mixtures of rubbers. / p