Method of producing toner for developing latent electrostatic images
    11.
    发明授权
    Method of producing toner for developing latent electrostatic images 失效
    制备用于显影静电图像的调色剂的方法

    公开(公告)号:US5565298A

    公开(公告)日:1996-10-15

    申请号:US453578

    申请日:1995-05-26

    CPC分类号: G03G9/0804

    摘要: A method of producing a toner for developing latent electrostatic images is disclosed, which comprises the steps of dispersing resin particles comprising a resin in an organic solvent in which the resin is not dissolved; dissolving a dye in the organic solvent before or after dispersing the resin particles in the organic solvent to prepare a dispersion in which the resin particles and the dye are contained, thereby dying the resin particles with the dye; and removing the organic solvent from the dispersion, wherein the ratio of the solubility [D.sub.1 ] of the dye in the organic solvent to the solubility [D.sub.2 ] of the dye in the resin of the resin particles, [D.sub.1 ]/[D.sub.2 ], is not more than 0.5.

    摘要翻译: 公开了一种制备用于显影静电潜像的调色剂的方法,其包括将包含树脂的树脂颗粒分散在树脂不溶解的有机溶剂中的步骤; 在将树脂颗粒分散在有机溶剂中之前或之后将染料溶解在有机溶剂中以制备其中含有树脂颗粒和染料的分散体,从而使染料染色树脂颗粒; 从分散体中去除有机溶剂,其中染料在有机溶剂中的溶解度[D1]与树脂颗粒树脂中染料的溶解度[D2]之比[D1] / [D2] 不超过0.5。

    Two-color thermosensitive recording material
    13.
    发明授权
    Two-color thermosensitive recording material 失效
    双色热敏记录材料

    公开(公告)号:US4599630A

    公开(公告)日:1986-07-08

    申请号:US669838

    申请日:1984-11-09

    摘要: A two-color thermosensitive recording material using leuco dyes is disclosed, which is capable of forming two different colors when heated at different temperatures, black or blackish color at a low temperature and another color at a high temperature, comprising a support material, a high-temperature color-forming material overlaying the support material, a decolorization layer overlaying the high-temperature color-forming layer, and a low-temperature color-forming layer overlaying the decolorization layer, and when necessary, an intermediate layer interposed between the decolorization layer and the low-temperature color-forming layer, the decolorization layer containing an aliphatic amine or a morpholine derivative of the formula of ##STR1## which are fully defined in the specification, and the low-temperature color-forming layer containing as a color developer a thiourea derivatives of the formula, ##STR2## which is fully defined in the specification.

    摘要翻译: 公开了一种使用无色染料的双色热敏记录材料,其能够在不同温度下加热时形成两种不同的颜色,在低温下为黑色或黑色,另一种颜色为高温,其包含支撑材料,高 覆盖支撑材料的高温成色材料,覆盖高温成色层的脱色层和覆盖该脱色层的低温成色层,以及必要时介于该脱色层之间的中间层 和低温成色层,含有本说明书中完全限定的式“IMAGE”的脂族胺或吗啉衍生物的脱色层和含有彩色显影剂的低温着色层 在该说明书中完全定义的下式的硫脲衍生物