申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0065811A1
公开(公告)日:1982-12-01
Disperse azo pyrimidine dyes of the formula:
wherein A is the residue of a diazo component from a number of defined classes;
R' and R4 are each independently hydrogen, optionally substituted alkyl, optionally substituted aralkyl or optionally substituted aryl, and
R is optionally substituted alkyl, optionally substituted aralkyl or optionally substituted aryl.
Provides valuable dyes for colouring aromatic polyesters.
分散型偶氮嘧啶染料,其式如下:其中 A 是若干定义类别中重氮组分的残基;R'和 R4 各自独立地是氢、任选取代的烷基、任选取代的芳基或任选取代的芳基,R 是任选取代的烷基、任选取代的芳基或任选取代的芳基。 提供用于芳香族聚酯着色的有价值染料。