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    • 1. 发明授权
    • Dye-donor element for use according to thermal dye sublimation transfer
    • 根据热染料升华转移使用的染料供体元件
    • US5372986A
    • 1994-12-13
    • US61523
    • 1993-05-17
    • Geert DefieuwRolf WehrmannRalf DujardinKnud Reuter
    • Geert DefieuwRolf WehrmannRalf DujardinKnud Reuter
    • B41M5/44B41M5/035B41M5/38
    • B41M5/44B41M2205/02B41M2205/30Y10S428/913Y10S428/914Y10T428/31507Y10T428/31663Y10T428/31786
    • Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, characterized in that said heat-resistant layer comprises a polyether containing at least 10 mol % recurring units corresponding to the following formula (I)O--E--O--E'-- (I)wherein--O--E--O-- represents a divalent diphenolate radical corresponding to the following general formula (II) ##STR1## wherein R.sub.1 and R.sub.2 (same or different) represent hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.7 -C.sub.12 aralkyl group; andX represents the necessary atoms to close a 5- to 8-membered cycloaliphatic ring which may be substituted with one or more C.sub.1 -C.sub.6 alkyl groups or 5- to 6-membered cycloalkyl groups or carry fused-on 5- or 6-membered cycloalkyl groups;--E'-- represents a divalent radical of an aromatic sulfone corresponding to the following general formula (III) ##STR2## or a divalent radical of a diarylketone corresponding to the following general formula (IV) ##STR3## or a divalent radical of benzonitrile corresponding to the following general formula (V) ##STR4## wherein Ar and Ar' in formula III and IV (same or different) represent difunctional aromatic radicals having 6 to 50 carbon atoms.
    • 用于根据热染料升华转移使用的染料供体元件,其包括在一侧具有染料层并且在另一侧上具有耐热层的载体,其特征在于,所述耐热层包含含有至少10mol% 对应于下式(I)的OEE-E' - (I)的重复单元代表氢,卤素,C 1 -C 8烷基, C5-C6环烷基,C6-C10芳基或C7-C12芳烷基; 并且X表示必须的原子以封闭可被一个或多个C 1 -C 6烷基或5-至6-元环烷基取代的5至8元环脂环,或携带稠合在5或6元环上 环烷基; -E'-表示对应于以下通式(III)的芳族砜的二价基团,或对应于以下通式(IV)的二烯丙酮的二价基团:响应于下列通式 通式(V)和IV(相同或不同)表示具有6至50个碳原子的二官能芳基。