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    • 7. 发明授权
    • Cover film for sublimation transfer type hard copy
    • 用于升华转印型硬拷贝的覆膜
    • US4599259A
    • 1986-07-08
    • US624683
    • 1984-06-22
    • Naotake KobayashiTetsuya AbeSatoru ShinoharaYoshio Fujiwara
    • Naotake KobayashiTetsuya AbeSatoru ShinoharaYoshio Fujiwara
    • B41M7/00B41M5/26
    • B41M7/0054Y10S428/913Y10S428/914Y10T428/24851Y10T428/24868Y10T428/24876Y10T428/24901Y10T428/265Y10T428/31511Y10T428/31739Y10T428/31783Y10T428/31786Y10T428/3179Y10T428/31906Y10T428/31935Y10T428/31986
    • A cover film for a sublimation transfer type hard copy of the present invention is a cover film which is melt bonded by heat on the surface of a hard copy printing paper in which a picture image is formed on the surface thereof by selectively transferring a sublimation dye. The cover film includes a resinous layer containing a metal compound selected from Al, Mg, Ca and Sn. This cover film is capable of producing magenta color of high color saturation by arbitrarily controlling the coloring of reddish dye to be shifted to the blue side and can also protect the surface of the printing paper.Furthermore, the present invention relates to a cover film which is melt bonded by heat on the surface of a hard copy printing paper in which a picture image is formed on the surface thereof by selectively transferring a sublimation dye. This cover film includes a layer mainly formed of a phosphor whitener and a resin to increase a whiteness degree of a portion which is not colored so that a picture image is made clear and which can prevent the color of dye from being faded.
    • PCT No.PCT / JP83 / 00374 Sec。 371日期1984年6月22日第 102(e)日期1984年6月22日PCT提交1983年10月25日PCT公布。 出版物WO84 / 01745 日本公报1984年5月10日。本发明的升华转印型硬拷贝用覆盖膜是在其表面形成有图像的硬拷贝印刷纸的表面上通过热熔融粘结的覆盖膜 通过选择性地转移升华染料。 覆盖膜包括含有选自Al,Mg,Ca和Sn的金属化合物的树脂层。 该覆盖膜能够通过任意地控制偏移到蓝色侧的红色染料的着色而产生高色饱和度的品红色,并且还可以保护打印纸的表面。 此外,本发明涉及一种通过加热熔融粘结在其上通过选择性转移升华染料而在其表面上形成图像的硬拷贝印刷纸的表面覆盖膜。 该覆盖膜包括主要由荧光增白剂和树脂形成的层,以增加未着色的部分的白度,使得图像图像清晰,并且可以防止染料的颜色褪色。