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    • 1. 发明授权
    • Thermosensitive recording materials
    • 热敏记录材料
    • US5622909A
    • 1997-04-22
    • US441435
    • 1995-05-15
    • Hiromi FuruyaYasutomo MoriKeishi TaniguchiTakeshi Yuyama
    • Hiromi FuruyaYasutomo MoriKeishi TaniguchiTakeshi Yuyama
    • B41M5/333B41M5/155
    • B41M5/3335
    • A thermosensitive recording material of this invention has a support, on which a thermosensitive color developing layer mainly composed of a leuco dye and a color developer which is contacted with the leuco dye while heating to develop a color and a protective layer mainly composed of polyvinyl alcohol together with either aziridine compound or dimethylolurea are successively provided, the color developer being at least one of phthalic acid derivatives represented by the following general formula (I): ##STR1## wherein R.sub.1, X, Y and 1 are as defined in above. The thermosensitive recording material of this invention is excellent in sensitivity and density of the color development and has the high storage stability of the recorded images. Accordingly, the thermosensitive recording material of this invention is very useful.The selected inorganic filler may be incorporated in the thermosensitive color developing layer and/or the protective layer.
    • 本发明的热敏记录材料具有支撑体,在其上加热主要由无色染料组成的热敏彩色显影层和与无色染料接触以显色的显色剂和主要由聚乙烯醇组成的保护层 与氮丙啶化合物或二羟甲基脲一起提供,彩色显影剂是由以下通式(I)表示的邻苯二甲酸衍生物中的至少一种:其中R 1,X,Y和1如 以上。 本发明的热敏记录材料的显色灵敏度和密度优异,并且具有高记录图像的储存稳定性。 因此,本发明的热敏记录材料是非常有用的。 所选择的无机填料可以并入热敏彩色显影层和/或保护层中。
    • 2. 发明授权
    • Thermosensitive image transfer ink sheet
    • 热敏图像转印油墨纸
    • US5328754A
    • 1994-07-12
    • US16957
    • 1993-02-12
    • Takeshi YuyamaKeishi TaniguchiShigeyuki Harada
    • Takeshi YuyamaKeishi TaniguchiShigeyuki Harada
    • B41M5/26B41M5/392B41M5/395
    • B41M5/395B41M5/392Y10S428/913Y10S428/914Y10T428/31511
    • A thermosensitive image transfer ink sheet is composed of a support and a thermofusible coloring layer formed on the support, which contains a coloring agent, an epoxy resin, a mercapto-group-containing compound serving as an epoxy resin crosslinking agent, and a tertiary amine or a salt thereof serving as a crosslinking reaction promoting agent. A thermal image transfer recording material is composed of a thermosensitive image transfer ink sheet, and an image receiving sheet to which images are to be transferred from the thermosensitive image transfer ink sheet. This thermosensitive image transfer ink sheet is composed of a support and a thermofusible coloring layer formed on the support, with the thermofusible coloring layer containing a coloring agent and one or two components selected from the group consisting of the epoxy resin, the mercapto-group-containing compound, and the tertiary amine or the salt thereof, while one or two components selected from the group consisting of the epoxy resin, the mercapto-group-containing compound, and the tertiary amine or the salt thereof which are not contained in the thermofusible coloring layer are contained in a surface portion of the image receiving sheet.
    • 热敏图像转印油墨片由载体和形成在支持体上的热熔着色层组成,其中含有着色剂,环氧树脂,含巯基的化合物作为环氧树脂交联剂,和叔胺 或其盐作为交联反应促进剂。 热图像转印记录材料由热敏图像转印油墨纸和从热敏图像转印油墨纸转印图像的图像接收纸组成。 该热敏图像转印油墨片由支撑体和形成在载体上的热熔着色层组成,热熔着色层含有着色剂和选自环氧树脂,巯基 - 含有叔胺或其盐的一种或两种以上的组分,所述组分选自所述热熔体中不含有的环氧树脂,含巯基化合物和叔胺或其盐 着色层包含在图像接收片的表面部分中。