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    • 6. 发明授权
    • Method for preparing a thermal transfer image-receiving sheet involving
a polycarbonate dye-receiving layer
    • 制备涉及聚碳酸酯染料接收层的热转印图像接收片的方法
    • US5427998A
    • 1995-06-27
    • US262364
    • 1994-06-20
    • Toshikazu UmemuraSatoshi Kanayama
    • Toshikazu UmemuraSatoshi Kanayama
    • B41M5/52B41M5/38B01J27/135
    • B41M5/5272
    • A polycarbonate resin solution for forming a thermal-sublimating dye-receiving layer film, comprising a random copolycarbonate resin dissolved in an organic solvent, the resin having a structural unit represented by following formula (1) and a structural formula represented by following formula (2) or (3), the molar ratio of the structural unit represented by formula (1) to the structural unit represented by formula (2) or (3) being from 35/65 to 65/35, and having a number average molecular weight of from 5,000 to 50,000. ##STR1## wherein R.sup.1 to R.sup.12 each represents a hydrogen atom, a halogen atom, or an alkyl group having from 1 to 4 carbon atoms and in formula (1), A represents a straight chain, branched, or cyclic alkylidene group having from 1 to 10 carbon atoms, an aryl-substituted alkylidene group, an arylene group, or a sulfonyl group.
    • 一种用于形成热升华染料接收层膜的聚碳酸酯树脂溶液,其包含溶解在有机溶剂中的无规共聚碳酸酯树脂,所述树脂具有由下式(1)表示的结构单元和由下式(2)表示的结构式 )或(3)中,由式(1)表示的结构单元与式(2)或(3)表示的结构单元的摩尔比为35/65〜65/35,数均分子量 从5,000到50,000。 (3)其中,R1〜R12各自表示氢原子,卤素原子或碳原子数为1〜4的烷基,式(1)表示的基团, A表示具有1至10个碳原子的直链,支链或环状亚烷基,芳基取代的亚烷基,亚芳基或磺酰基。