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    • 6. 发明授权
    • Heat transfer recording sheet
    • 热转印记录纸
    • US4748151A
    • 1988-05-31
    • US893489
    • 1986-08-05
    • Yukichi MurataTakao HirotaHiroshi Urabe
    • Yukichi MurataTakao HirotaHiroshi Urabe
    • B41M5/00B41M5/26B41M5/395D06P5/13
    • B41M5/395Y10S428/913Y10S428/914Y10S430/146Y10T428/31507
    • A heat transfer recording sheet is disclosed, comprising a base film having provided on one side thereof a coloring material layer containing at least a subliming dye and a binder, wherein said binder is a polycarbonate resin having a repeating unit represented by the formula (I): ##STR1## wherein R.sup.1 represents an aryl group; and R.sup.2 represents a hydrogen atom, an alkyl group or an aryl group. In another embodiment, said binder is a copolymer of polycarbonate resin having a repeating unit represented by the formula (I) and a repeating unit represented by the formula (II) ##STR2## wherein rings A and B each represents a phenylene group or a phenylene group substituted with an alkyl group or a halogen atom; and X represents a divalent group selected from ##STR3## --O--, --S--, --SO--, and --SO.sub.2 --, wherein R.sup.3 and R.sup.4 each represents a hydrogen atom or an alkyl group; and R.sup.5 represents an alkylene group.
    • 公开了一种传热记录纸,其包括基膜,其一侧设置有至少含有升华染料和粘合剂的着色材料层,其中所述粘合剂是具有由式(I)表示的重复单元的聚碳酸酯树脂, (Ⅰ)其中R1表示芳基; R2表示氢原子,烷基或芳基。 在另一个实施方案中,所述粘合剂是具有由式(I)表示的重复单元的聚碳酸酯树脂和由式(II)表示的重复单元(II)的共聚物,其中环A和B各自表示亚苯基 或被烷基或卤素原子取代的亚苯基; 并且X表示选自以下的二价基团:-O - , - S - , - SO-和-SO 2 - ,其中R 3和R 4各自表示氢原子或烷基; R 5表示亚烷基。