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    • 10. 发明申请
    • METHODS FOR PREPARING AQUEOUS COLORED PIGMENT DISPERSIONS, AND INKJET INK COMPOSITIONS
    • 制备水性色素分散体的方法和喷墨成分
    • WO2004067643A1
    • 2004-08-12
    • PCT/US2004/001113
    • 2004-01-16
    • CABOT COPRORATIONSHAKHNOVICH, Alexander I.
    • SHAKHNOVICH, Alexander I.
    • C09B67/00
    • C09D11/326C09B41/00C09B67/00C09B67/0041C09D11/322C09D17/001
    • The present invention describes methods for preparing aqueous colored pigment dispersions comprising the step of combining, in any order, a) a colored pigment, b) an azo coupler, c) an aromatic amine, d) a diazotizing agent, and e) an aqueous medium, wherein the aromatic amine comprises as least one ionic group, at least one ionizable group, or a mixture of at least one ionic group and at least one ionizable group. These colored pigment dispersions are particularly useful as an inkjet ink composition. Also disclosed are inkjet ink compositions comprising a) a liquid vehicle, b) a colored pigment, and c) a dispersant having the formula: D-N=N-AC, wherein AC is an azo coupling component and D is a diazo component comprising at least one ionic group, at least one ionizable group, or a mixture of at least one ionic group or ionizable group.
    • 本发明描述了制备水性有色颜料分散体的方法,其包括以下任一顺序组合a)着色颜料,b)偶氮偶合剂,c)芳族胺,d)重氮化剂和e)水性 介质,其中所述芳族胺包含至少一个离子基团,至少一个可离子化基团,或至少一个离子基团和至少一个可离子化基团的混合物。 这些着色颜料分散体特别可用作喷墨油墨组合物。 还公开了喷墨油墨组合物,其包含a)液体载体,b)有色颜料,和c)具有下式的分子:DN = N-AC,其中AC是偶氮偶合组分,D是至少包含重氮组分 一个离子基团,至少一个可离子化基团,或至少一个离子基团或可离子化基团的混合物。