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    • 5. 发明公开
    • Thermal transfer printing
    • 热转印打印
    • EP0301752A3
    • 1990-05-16
    • EP88306644.1
    • 1988-07-20
    • ZENECA LIMITED
    • Gregory, PeterBradbury, Roy
    • B41M5/26
    • B41M5/388Y10S428/913Y10S428/914
    • A thermal transfer printing sheet suitable for use in a thermal transfer printing process, comprising a substrate having a coating comprising a dye of the formula:
      wherein:
      R      represents an optionally substituted alkyl, aryl or aralkyl radical;
      n      is one or 2;
      X      represents hydrogen, halogen, C₁₋₄-alkyl, C₁₋₄-alkoxy, C₁₋₄-alkylthio, beta-cyanoethyl, C₁₋₄-alkylcarbonylamino or C₁₋₄-alkylsulphonylamino;
      Y      represents hydrogen or methoxy, and
      each of R¹ and R²      independently, represents allyl, C₁₋₁₂-alkyl or C₁₋₄-alkyl substituted by a group selected from cyano, C₁₋₄-alkoxycarbonyl, C₁₋₄-alkylcarbonyloxy, R³CONH-, R³NHCO- and R³NHCOO- in which R³ represents C₁₋₄-alkyl or optionally substituted aryl.
    • 一种适用于热转印印花工艺的热转移印花纸,它包括具有涂层的基材,该涂层包含下式染料:其中:R代表任选取代的烷基,芳基或芳烷基; n是1或2; X代表氢,卤素,C 1-4烷基,C 1-4烷氧基,C 1-4烷硫基,β-氰乙基,C 1-4烷基羰基氨基或C 1-4烷基磺酰氨基; Y代表氢或甲氧基,并且R 1和R 2各自独立地代表被选自氰基,C 1-4烷氧基羰基,C 1-4烷基羰基氧基,R 3 CONH-烷基羰基氧基的基团取代的烯丙基,C 1-12烷基或C 1-4烷基, ,R 3 NHCO-和R 3 NHCOO-,其中R 3代表C 1-4 - 烷基或任意取代的芳基。