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    • 16. 发明授权
    • Pyridone-based yellow monoazo dye for use in thermal transfer and ink
compositions comprising same
    • 用于热转印的基于吡啶酮的黄色单偶氮染料和包含其的油墨组合物
    • US5929218A
    • 1999-07-27
    • US646968
    • 1996-05-08
    • Ki Taek LeeYoung Seup SonWoo Sok HanBeom Jun JooSoon Yeol Eom
    • Ki Taek LeeYoung Seup SonWoo Sok HanBeom Jun JooSoon Yeol Eom
    • B41M5/388C09B11/00C09B29/01C09B29/42D06P5/13C09D11/00C09D11/02
    • B41M5/388C09B29/0011C09B29/363
    • The present invention relates to pyridone-based yellow monoazo dyes used in thermal transfer having following formula(I) which have good stability and hue. ##STR1## wherein, R.sub.1 is hydrogen atom; unsubstituted or substituted alkyl group of from 1 to 8 carbon atoms with alkoxy or aryl; or unsubstituted or sustituted aryl group with alkoxy or halogen.And,X is hydrogen atom; alkyl group of from 1 to 4 carbon atoms; alkoxy group; or halogen;R.sub.2 is selected from the following groups; ##STR2## wherein, R.sub.3 and R.sub.4 are independently selected from groups consisting hydrogen, substituted or unsubstituted alkyl group of from 1 to 4 carbon atoms, halogen, alkyl carboxylate, and carbonyl group;R.sub.3 -R.sub.4 is noncyclization with R.sub.3 and R.sub.4 and selected respectively from the above substituents(R.sub.3 and R.sub.4); or saturated or unsaturated cycloalkyl of from 3 to 6 carbon atoms,Z is nitro, halogen, alkyl group of from 1 to 4 carbon atoms, alkoxy, sulfonyl, carbonyl, carboxyamide, sulfonamino, cyano, hydroxy or hydrogen atom.
    • 本发明涉及用于具有良好稳定性和色调的下式(I)的热转印中使用的基于吡啶酮的黄色单偶氮染料。 其中,R 1为氢原子; 具有1至8个碳原子的未取代或取代的烷基与烷氧基或芳基; 或未取代或取代的芳基与烷氧基或卤素。 而且,X是氢原子; 1至4个碳原子的烷基; 烷氧基 或卤素; R2选自以下组; 其中,R 3和R 4独立地选自氢,取代或未取代的1至4个碳原子的烷基,卤素,烷基羧酸酯和羰基; R3-R4分别与R3和R4进行非环化,分别来自上述取代基(R3和R4)。 或3至6个碳原子的饱和或不饱和环烷基,Z为硝基,卤素,1至4个碳原子的烷基,烷氧基,磺酰基,羰基,羧酰胺,磺氨基,氰基,羟基或氢原子。