申请人:Tzikas Athanassios
公开号:US20050182247A1
公开(公告)日:2005-08-18
The present invention relates to an azo dye of formula I, II or III: (formula I, II or III); wherein R
1
and R
2
are each independently of the other one or more divalent groups selected from alkylene, arylene, aralkylene and cycloalkylene, which may be interrupted by —O—, —S—, —NH—, —NR
8
—, —COO—, —CONH— or —CONR
9
—, wherein R
8
and R
9
are alkyl or aryl, X is —O— or —NH—, R
3
is —CN or —CONH
2
, R
4
is methyl or trifluoromethyl and R
5
, R
6
, R
7
and R
8
are each independently of the others hydrogen, halogen or —CN, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.
本发明涉及一种公式I、II或III的偶氮染料:(公式I、II或III)其中,R1和R2各自独立地选自可以被—O—、—S—、—NH—、—NR8—、—COO—、—CONH—或—CONR9—中断的烷基、芳基、芳基烷基和环烷基中的一个或多个二价基团,其中R8和R9为烷基或芳基,X为—O—或—NH—,R3为—CN或—CONH2,R4为甲基或三氟甲基,而R5、R6、R7和R8各自独立地为氢、卤素或—CN。本发明还涉及一种制备该染料的方法以及在生产质量着色塑料或聚合色粒子的方法中使用该染料的用途。