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    • 1. 发明授权
    • Pressure sensitive recording materials
    • 压敏记录材料
    • US5478793A
    • 1995-12-26
    • US118201
    • 1993-09-09
    • Tetsuo TsuchidaYasuji KogaHaruo OmuraMasato TanakaNobuhisa Danou
    • Tetsuo TsuchidaYasuji KogaHaruo OmuraMasato TanakaNobuhisa Danou
    • B41M5/136B41M5/165B41M5/145
    • B41M5/136B41M5/165B41M5/1366
    • A pressure sensitive recording material utilizing a color forming reaction between a colorless or light-colored basic dye and a color acceptor, and in which (1) a basic dye-containing layer and color acceptor-containing layer are formed on one surface of different substrates respectively, (2) a basic dye-containing layer and color acceptor-containing layer are formed on one surface and the other surface of a same substrate respectively, (3) a basic dye-containing layer and color acceptor-containing layer are superposed on one surface of a substrate or (4) a layer containing both basic dye and color acceptor is formed on one surface of a substrate, the pressure sensitive recording material being characterized in that the basic dye is at least one diarylmethane compound represented by the formula (1) given below, the basic dye being enclosed in synthetic high polymer microcapsules having a mean particle size of 3 to 15 .mu.m and an average film thickness of 0.1 to 0.7 .mu.m, the color acceptor being an activated clay mineral containing 65 to 80 wt. % of silicon oxide (SiO.sub.2) ##STR1## wherein R.sub.1 to R.sub.6 and A are as defined in the specification.
    • 利用无色或浅色碱性染料与受色剂之间的成色反应的压敏记录材料,其中(1)含碱性含染料层和含色受体层形成在不同基材的一个表面上 (2)分别在同一基板的一个表面和另一个表面上分别形成基本的含染料层和含色受体层,(3)含碱性含染料层和含色受体层叠加在 基材的一个表面或(4)含有碱性染料和着色受体的层形成在基材的一个表面上,压敏记录材料的特征在于碱性染料是至少一种由式(II)表示的二芳基甲烷化合物 1),将基本染料封入平均粒径为3〜15μm,平均膜厚为0.1〜0.7μm的合成高分子微胶囊中, ptor是一种活性粘土矿物,含65至80wt。 氧化硅(SiO 2)的百分比(1)其中R1至R6和A如说明书中所定义。