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    • 25. 发明授权
    • Reversible thermosensitive recording medium
    • 可逆热敏记录介质
    • US5426086A
    • 1995-06-20
    • US300033
    • 1994-09-02
    • Yoshihiko HottaMakoto KawaguchiTetsuya Amano
    • Yoshihiko HottaMakoto KawaguchiTetsuya Amano
    • B41M5/36B41M5/26
    • B41M5/363
    • A reversible thermosensitive recording medium includes a reversible thermosensitive recording layer which is composed of a matrix resin and an organic low-molecular material which is dispersed in the matrix resin, the transparency of the reversible thermosensitive recording layer being reversibly changeable depending upon the temperature of the reversible thermosensitive recording layer, wherein the reversible thermosensitive recording layer has a softening initiation temperature T.sub.A, the organic low-molecular-weight material has a higher crystallization temperature T.sub.B1 which is 80.degree. C. or more and a lower crystallization temperature T.sub.B2, the softening initiation temperature T.sub.A is between the higher crystallization temperature T.sub.B1 and the lower crystallization temperature T.sub.B2, and the higher crystallization temperature T.sub.B1 and the lower crystallization temperature T.sub.B2 satisfies the relationship of T.sub.B1 -T.sub.B2 .gtoreq.40.degree. C.
    • 可逆热敏记录介质包括由矩阵树脂和分散在基质树脂中的有机低分子材料组成的可逆热敏记录层,可逆热敏记录层的透明度可根据 可逆热敏记录层,其中可逆热敏记录层具有软化初始温度TA,有机低分子量材料具有较高的结晶温度TB1,其结晶温度为80℃或更高,结晶温度TB2较低,软化引发 温度TA在较高的结晶温度TB1和较低的结晶温度TB2之间,较高的结晶温度TB1和较低的结晶温度TB2满足TB1-TB2> / = 40℃的关系。