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    • 6. 发明授权
    • Pyrazolone or pyridone type water soluble disazo colorant containing one
or two triazine rings
    • 含有1或2个三嗪环的吡唑啉酮或吡啶酮型水溶性双偶氮染料
    • US4843150A
    • 1989-06-27
    • US71644
    • 1987-07-09
    • Toshio HiharaYukiharu ShimizuKanzi Shimizu
    • Toshio HiharaYukiharu ShimizuKanzi Shimizu
    • C09B62/09C09B62/513D06P1/38
    • C09B62/09C09B62/513D06P1/38
    • A water soluble disazo colorant represented by formula (I) in the form of free acid: ##STR1## wherein K represents ##STR2## [wherein A represents a methyl group or a carboxylic group; R.sup.2 represents a hydrogen atom, an alkyl group of 1 to 8 carbon atoms, a sulfoalkyl grouop of 1 to 4 carbon atoms, or an alkyl group of 1 to 4 carbon atoms which is substituted by an alkoxy group of 1 to 4 carbon atoms;R.sup.3 represents a hydrogen atom, a halogen atom, a cyano group, a --CONH.sub.2 group, a carboxyl group, a sulfonic group, or a sulfomethyl group, p represents an integer of 1 or 2];Z represents a fluorine atom or ##STR3## [wherein R.sup.4 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms;R.sup.5 and R.sup.6 each represents independently a hydrogen atom, an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, a sulfonic group, or a halogen atom; Y represents --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 W (wherein W represents a group which is released by the action of an alkali)];R.sup.1 represents a hydrogen atom or a lower alkyl group of 1 to 4 carbon atoms;Q represents a divalent aromatic or aliphatic residual group; andl, m, and n each represents an integer of 0 or 1. Such colorants are useful in the dyeing of fibrous materials.
    • 游离酸形式的由式(I)表示的水溶性双偶氮染料:其中K代表甲基或羧基; R2表示氢原子,1〜8个碳原子的烷基,1〜4个碳原子的磺基烷基组合或1〜4个碳原子的烷氧基被1〜4个碳原子取代的烷基; R3表示氢原子,卤素原子,氰基,-CONH2基,羧基,磺基或磺基甲基,p表示1或2的整数]。 Z表示氟原子或其中R4表示氢原子或1-4个碳原子的烷基; R 5和R 6各自独立地表示氢原子,1〜4个碳原子的烷基,1〜4个碳原子的烷氧基,磺酸基或卤素原子。 Y表示-SO 2 CH = CH 2或-SO 2 CH 2 CH 2 W(其中W表示通过碱的作用而释放的基团)]; R1表示氢原子或1〜4个碳原子的低级烷基; Q表示二价芳族或脂族残基; 和l,m和n各自表示0或1的整数。这种着色剂可用于纤维材料的染色。