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    • 5. 发明授权
    • Inkjet inks and methods of preparing the same
    • 喷墨油墨及其制备方法
    • US07300504B2
    • 2007-11-27
    • US10689268
    • 2003-10-20
    • Alexander I. Shakhnovich
    • Alexander I. Shakhnovich
    • C09D11/02
    • C09D11/328
    • Inkjet ink compositions comprising a liquid vehicle and a modified azo pigment are described. The modified azo pigment comprises the reaction product of at least one diazonium reagent and at least one azo coupler. At least one of the diazonium reagents and/or azo couplers may comprise at least one ionic group, ionizable group, or mixture thereof or at least one alkylene oxide group. The inkjet ink composition does not include a separate dispersant which primarily functions to obtain or maintain stability of the modified azo pigment or the ink jet ink composition. Methods of preparing the inkjet ink compositions are also described.
    • 描述了包含液体载体和改性偶氮颜料的喷墨油墨组合物。 改性偶氮颜料包括至少一种重氮试剂和至少一种偶氮偶合剂的反应产物。 至少一种重氮试剂和/或偶氮偶合剂可以包含至少一个离子基团,可离子化基团或其混合物或至少一个环氧烷基团。 喷墨油墨组合物不包括主要用于获得或保持改性偶氮颜料或喷墨油墨组合物的稳定性的单独分散剂。 还描述了制备喷墨油墨组合物的方法。
    • 7. 发明授权
    • Methods of preparing aqueous colored pigment dispersions, and inkjet ink compositions
    • 制备水性有色颜料分散体的方法和喷墨油墨组合物
    • US07223302B2
    • 2007-05-29
    • US10758888
    • 2004-01-16
    • Alexander I. Shakhnovich
    • Alexander I. Shakhnovich
    • C09D11/00
    • 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着色颜料分散体的方法,其包括以下任一顺序组合a)有色颜料,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)具有下式的分散剂:&lt;&lt; in-line-formula description =“In-Line Formulas”end =“lead” DNN-AC,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中AC是偶氮偶合组分,D是包含至少一个离子基团的重氮组分,至少一个可离子化的 基团或至少一个离子基团或可离子化基团的混合物。