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    • 2. 发明授权
    • Thermal dye transfer sheet and method for thermal dye recording
    • 热染料转印片和热染料记录方法
    • US5916842A
    • 1999-06-29
    • US839804
    • 1997-04-18
    • Tatsuya MorimitsuKenjiro KurodaOsamu ItoTakashi Morishima
    • Tatsuya MorimitsuKenjiro KurodaOsamu ItoTakashi Morishima
    • B41M5/035B41M5/385B41M5/388B41M5/39B41M5/38
    • B41M5/3854B41M2205/02B41M5/385B41M5/3858B41M5/388B41M5/39Y10S428/913Y10S428/914
    • A thermal dye transfer sheet having a dye layer provided on at least one side of a substrate, which is used for thermal dye transfer recording system carrying out recording by transferring a dye or dyes in the dye layer to a dye-receiving material by heating means, wherein the dye layer contains a pyrazolonemethine type dye of the following formula: ##STR1## wherein R.sup.1 and R.sup.2 can be respectively independently selected and are a lower alkyl group which may be substituted, a lower alkenyl group which may be substituted or an aryl group which may be substituted; andR.sup.3 and R.sup.4 can be respectively independently selected and are a lower alkyl group which may be substituted, a dialkylamino group, a --COOR.sup.5 group or a --CONR.sup.6 R.sup.7 group, in which R.sup.5 is a lower alkyl group which may be substituted, a lower alkenyl group which may be substituted or an aryl group which may be substituted and R.sup.6 and R.sup.7 can be respectively independently selected and are a hydrogen atom, a lower alkyl group which may be substituted, a lower alkenyl group which may be substituted or an aryl group which may be substituted.
    • 一种具有设置在基材的至少一侧的染料层的热染料转印片,其用于通过将染料层中的染料或染料转移到染料接收材料的加热装置进行记录的热染料转印记录系统 其中染料层含有下式的吡唑啉酮类染料:其中R1和R2可以分别独立选择,可以被取代的低级烷基,可被取代的低级烯基或可以被取代的芳基 取代 R 3和R 4可分别独立选择,可以被取代的低级烷基,二烷基氨基,-COOR 5基或-CONR 6 R 7基,其中R 5为可被取代的低级烷基,低级烯基 可以被取代的基团或可以被取代的芳基,R 6和R 7可以分别独立地选择并且是氢原子,可被取代的低级烷基,可被取代的低级烯基或芳基, 可以被替代。