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    • 21. 发明授权
    • Image-forming method and an ink ribbon and a printing sheet used for the
method
    • 图像形成方法和用于该方法的色带和印刷纸
    • US5516746A
    • 1996-05-14
    • US420624
    • 1995-04-12
    • Kengo Ito
    • Kengo Ito
    • B41M5/382B41M5/26B41M5/385B41M5/388B41M5/39B41M5/50B41M5/52B41M5/035
    • B41M5/5218B41M5/385B41M5/39Y10S428/913Y10S428/914Y10T428/259
    • A method for forming images by a thermal transfer process. The method comprises the steps of providing a printing sheet having an image-receiving layer on one side thereof, providing an ink ribbon having a dye layer comprising a hydrophilic cationic dye, contacting the ink ribbon with the image-receiving layer, and applying a thermal energy to the ink ribbon in an imagewise pattern to thermally transfer the dye from the ink ribbon to the image-receiving layer. The image-receiving layer comprises at least a layer compound which has ion exchangeability with the cationic dye, so that the dye image is fixed through the ion exchange. Since the dye is bonded to the layer compound through ion exchange, the dye is fixed comparable to that of silver salt photography. A thermal transfer system using the ink ribbon and the printing sheet is also described.
    • 一种通过热转印工艺形成图像的方法。 该方法包括以下步骤:在其一侧提供具有图像接收层的印刷片,提供具有包含亲水性阳离子染料的染料层的墨带,使墨带与图像接收层接触,并施加热 能够以成像图案将色带热转印到墨带上的图像接收层。 图像接收层至少包含与阳离子染料具有离子交换性的层化合物,使得染料图像通过离子交换固定。 由于染料通过离子交换与层化合物结合,所以染料固定与银盐摄影相当。 还描述了使用墨带和印刷纸的热转印系统。
    • 24. 发明授权
    • Recording material with a display composition including a coloring
pigment
    • 具有包含着色颜料的显示组合物的记录材料
    • US5179065A
    • 1993-01-12
    • US892137
    • 1992-06-02
    • Kengo Ito
    • Kengo Ito
    • B41M5/20G02F1/15
    • G02F1/15B41M5/20Y10S428/913Y10T428/24876Y10T428/24893
    • Disclosed herein is a display composition which comprises a dye and a clay mineral in which quaternary ammonium ions are bound between layers through ion exchange, said display composition undergoing reversible color development and color fading through the oxidation and reduction of said dye, the oxidation causing said dye to form a color and to be bound between the layers of said clay mineral through ion exchange with said quaternary ammonium ions, the reduction causing the dye to discolor and to be desorbed out of the interlaminar space of the clay mineral and also causing the quaternary ammonium ions to be bound again between the layers through ion exchange. Disclosed also herein are a coloring pigment and recording material which employ the display composition.
    • 本文公开了一种显示组合物,其包含染料和粘土矿物,其中季铵离子通过离子交换结合在层之间,所述显示组合物经历可逆显色和通过所述染料的氧化和还原的褪色,导致所述 染料以形成颜色并通过与所述季铵离子的离子交换结合在所述粘土矿物的层之间,所述还原使染料变色并从粘土矿物的层间空间中解吸并且还引起季 铵离子通过离子交换再次结合在层之间。 本文还公开了使用显示组合物的着色颜料和记录材料。
    • 25. 发明授权
    • Photosensitive imaging material
    • 感光成像材料
    • US4496646A
    • 1985-01-29
    • US557167
    • 1983-11-29
    • Kengo Ito
    • Kengo Ito
    • G03F7/031G03F7/28G03C1/68G03C5/00G03C5/24
    • G03F7/031G03F7/28Y10S430/106Y10S430/12Y10S430/121
    • A photosensitive imaging material utilizing changes in adhesive properties due to light, wherein an alloxazin derivative represented by the general formula: ##STR1## [wherein R's may be the same or different from each other and each represents an alkyl group having 1 to 20 carbon atoms or a phenylalkyl group represented by the formula: ##STR2## (wherein n is an integer of 1 or more)] is used as a photopolymerization initiator, thereby enhancing the photographic speed and photographic sensitivity of the photosensitive material.Further, in order that the photosensitive material can possess image halftone reproducibility per se, the photosensitive material may be made into a composite material in which a photosensitive layer additionally containing a tertiary amine as a sensitizer is laminated on a hardened layer formed by hardening a photosensitive composition. The photosensitive imaging material of this invention thus constructed can be employed as a copying material for recording or reproducing projected images from a cathode ray tube or a fiber tube.
    • PCT No.PCT / JP83 / 00107 Sec。 371日期1983年11月29日 102(e)1983年11月29日PCT PCT提交1983年4月7日PCT公布。 公开号WO83 / 03687 日期:1983年10月27日。一种光敏成像材料,其利用由于光引起的粘合性质的变化,其中由以下通式表示的环氧烷衍生物:其中R可以彼此相同或不同,并且各自表示烷基 作为光聚合引发剂,可以使用具有1〜20个碳原子的基团或由下式表示的苯基烷基(其中n为1以上的整数)],从而提高感光材料的感光速度和照相感光度 。 此外,为了感光材料本身可以具有图像半色调再现性本身,感光材料可以制成复合材料,其中将另外含有作为敏化剂的叔胺的光敏层层压在通过硬化光敏剂形成的硬化层上 组成。 如此构造的本发明的感光成像材料可以用作用于从阴极射线管或纤维管记录或再现投影图像的复印材料。