Corante de antraquinona , seus processos de preparação e seus usos, bem como plásticos coloridos em massa ou partículas poliméricas coloridas e seus métodos de produção

摘要

The present invention relates to a compound of formula (I) wherein R₁ is a radical of formula (II) R₂ is -NH₂ or a radical of formula (II), R₃ and R₄ are each independently of the other hydrogen, hydroxy, -NH₂ or a radical of formula (II), R₅ is hydrogen, halogen or -X-(CH₂)_n-Y, wherein X is a direct bond, -O- or -S-, Y is -OH or -OSO₃H and n is a number from 0 to 6, with the proviso that at least one of the radicals R₃, R₄ and R₅ is not hydrogen, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.