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    • 8. 发明授权
    • Phase change inks containing gelator additives
    • 相变油墨含有凝胶剂添加剂
    • US06872243B2
    • 2005-03-29
    • US10235125
    • 2002-09-04
    • Marcel P. BretonDanielle C. Boils-BoissierDonald R. TitteringtonJule W. Thomas, Jr.Jeffrey H. BanningChristine E. BedfordJames D. Wuest
    • Marcel P. BretonDanielle C. Boils-BoissierDonald R. TitteringtonJule W. Thomas, Jr.Jeffrey H. BanningChristine E. BedfordJames D. Wuest
    • C09D11/00
    • C09D11/34
    • Disclosed is a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molecular weight alkanes with exactly one hetero atom, chiral tartrate compounds, chiral butenolide-based compounds, bis-urea compounds, guanines, barbiturates, oxamide compounds, ureidopyrimidone compounds, and mixtures thereof, said organic gelator being present in the ink in an amount of no more than about 20 percent by weight of the ink, said ink having a melting point at or below which the ink is a solid, said ink having a gel point at or above which the ink is a liquid, and said ink exhibiting a gel state between the melting point and the gel point, said ink exhibiting reversible transitions between the solid state and the gel state upon heating and cooling, said ink exhibiting reversible transitions between the gel state and the liquid state upon heating and cooling, said melting point being greater than about 35° C., said gel point being greater than said melting point. Also disclosed are imaging processes employing phase change inks containing gelator additives.
    • 公开了一种相变油墨组合物,其包含油墨载体,着色剂和非聚合有机胶凝剂,其选自蒽类化合物,类固醇化合物,部分氟化的高分子量烷烃,具有正好一个杂原子的高分子量烷烃 ,手性酒石酸盐化合物,手性丁烯内酯类化合物,双脲化合物,鸟嘌呤,巴比妥类,草酰胺化合物,脲基吡啶酮化合物及其混合物,所述有机凝胶剂存在于油墨中的量不超过约20重量% 的油墨,所述油墨的熔点在或以下,油墨是固体,所述油墨具有等于或高于其上的凝胶点,油墨是液体,并且所述油墨在熔点和凝胶之间呈凝胶状态 所述油墨在加热和冷却时呈现固体状态和凝胶状态之间的可逆转变,所述油墨在凝胶状态a 在加热和冷却时记录液体状态,所述熔点大于约35℃,所述凝胶点大于所述熔点。 还公开了使用含有凝胶剂添加剂的相变油墨的成像方法。