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    • 4. 发明授权
    • Image-receiving sheet for sublimation thermal transfer recording, and
method for producing the same
    • 用于升华热转印记录的图像接收片及其制造方法
    • US5771431A
    • 1998-06-23
    • US817042
    • 1997-07-16
    • Takanori MitsuhataFumio MatsuiToshio Arai
    • Takanori MitsuhataFumio MatsuiToshio Arai
    • B41M5/00B41M5/035B41M5/52C09D167/02G03G7/00G03G15/16G03G15/20
    • B41M5/52B41M5/035C09D167/02G03G7/004G03G7/0046B41M5/5227B41M5/5254B41M5/5272B41M5/529Y10S428/914
    • There is provided a method for forming an image-receiving sheet for sublimation thermal transfer recording, in which a photoreceptor is partly or wholly charged as it is rotated, while the powdery coating composition is charged oppositely to the photoreceptor and is then adhered to the surface of the photoreceptor, and thereafter the composition is transferred onto the base sheet, and then heated, melted and fixed, thereby to form a continuous film of the receiving layer on the base sheet. There is further provided a white, powdery coating composition for use for the production of such an image-receiving sheet as above, which comprises a resin component, a white colorant, and a cured product of reaction-curable silicone oils and is characterized in that the composition comprises, as the resin component, from 70 to 95% by weight of a resin mixture comprising from 50 to 90% by weight of a saturated polyester resin having an acid value of from 1.0 to 20 mg KOH/g and a glass transition point of from 50.degree. to 70.degree. C. and from 10 to 50% by weight of a styrene-acrylic copolymer resin, and comprises from 0.5 to 12% by weight of a cured product of at least two reaction-curable silicone oils having functional groups capable of mutually reacting with each other.
    • PCT No.PCT / JP96 / 02100 Sec。 371日期1997年7月16日 102(e)日期1997年7月16日PCT提交1996年4月22日PCT公布。 公开号WO97 / 03840 日期1997年2月6日提供了一种形成用于升华热转印记录的图像接收片的方法,其中感光体在旋转时被部分或全部带电,而粉末涂料组合物与感光体相反地被加电,并且是 然后粘附到感光体的表面,然后将组合物转印到基片上,然后加热,熔融和固定,从而在基片上形成接收层的连续膜。 还提供了一种白色粉末涂料组合物,用于制备如上所述的图像接收片材,其包含树脂组分,白色着色剂和可反应固化的硅油的固化产物,其特征在于, 该组合物包含70至95重量%的树脂混合物,该树脂混合物包含50至90重量%的酸值为1.0至20mg KOH / g的饱和聚酯树脂和玻璃化转变温度 50至70℃的重量比和10至50重量%的苯乙烯 - 丙烯酸共聚物树脂,并且包含0.5至12重量%的至少两种具有官能的可固化硅氧烷的固化产物 能彼此相互反应的组。
    • 7. 发明授权
    • Color sheet and color transfer method using the same
    • 彩色片和彩色转印法使用相同
    • US5358923A
    • 1994-10-25
    • US88548
    • 1993-07-09
    • Takanori MitsuhataFumio Matsui
    • Takanori MitsuhataFumio Matsui
    • B41M5/382B41M5/392B41M5/40B41M5/46B41M5/035B41M5/38
    • B41M5/465B41M5/392Y10S428/913Y10S428/914Y10S430/146
    • A color sheet comprising; a flexible substrate or film; and a dye layer formed on the substrate including a sublimating dye of yellow, magenta or cyan and a near infrared absorbing pigment with a near infrared absorption without a substantial visible absorption.A color transfer method comprises the steps of: preparing a color sheet above mentioned; abutting the dye layer of the color sheet onto an image receiving sheet to be printed; and irradiating an optical laser beam to the dye layer, the laser beam having a wavelength in the near infrared region absorbed by the near infrared absorbing pigment, whereby a light energy absorbed by the near infrared absorbing pigment is converted into a heat energy thereby sublimating the sublimating dye and transferring the sublimated dye onto the image receiving sheet arranged so as to face the dye layer.As a result, a recording speed and a resolution are remarkably improved with the color sheet and the color transfer method using it.
    • 一种彩色片,包括: 柔性基底或膜; 以及形成在所述基板上的染料层,所述染料层包括黄色,品红色或青色的升华性染料和具有近红外吸收的近红外吸收颜料而没有实质的可见吸收。 颜色转印方法包括以下步骤:制备上述彩色片; 将彩色片的染料层邻接到要印刷的图像接收片上; 并且将光学激光束照射到染料层上,所述激光束具有由近红外线吸收颜料吸收的近红外区域中的波长,由此被近红外吸收颜料吸收的光能转换成热能,从而升华 将升华的染料转印到以与染料层相对的方式布置的图像接收片上。 结果,通过使用它的彩色片和颜色转印方法,记录速度和分辨率显着提高。