| 摘要 |
1319087 Disperse monoazo dyes SANDOZ Ltd 16 June 1970 [17 July 1969] 29204/70 Heading C4P New disperse monoazo dyes of formula wherein D stands for the radical of a diazo component, R 1 for a hydrogen or halogen atom, or a substituted or unsubstituted alkyl or alkoxy group or a group of formula -NH-Y-R 5 , R 2 for a hydrogen or halogen atom or a substituted or unsubstituted alkyl or alkoxy group, R 3 for an aryloxyalkyl or aralkoxyalkyl group whose aryl group may be substituted, R 4 for a hydrogen atom, or an alkyl, halogenoalkyl, cyanoalkoxyalkyl, cycloalkyl, alkanoylalkyl, substituted or unsubstituted arylcarbonylalkyl, arylcarbonyloxyalkyl, aryloxycarbonylalkyl, alkylaminocarbonyloxyalkyl, or arylaminocarbonyloxyalkyl group, R 5 for a substituted or unsubstituted alkyl or aryl group, Y for -CO-, -COO- or -SO 2 - and where the molecule is free from -SO 3 H groups are described. They are prepared by azo coupling using appropriate components and are used to colour cellulose acetate, polyester, synthetic polyamide and polyolefine fibres in yellow and blue shades. |
