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    • 5. 发明申请
    • Modified carbon particles
    • 改性碳粒子
    • US20070106012A1
    • 2007-05-10
    • US11351472
    • 2006-02-10
    • Krzysztof MatyjaszewskiTianqi LiuJames Belmont
    • Krzysztof MatyjaszewskiTianqi LiuJames Belmont
    • C08F8/30
    • C09C1/56C01P2002/88C01P2004/62C08F2/38C08F8/44C08F292/00C08F2438/01
    • The present invention provides dispersible carbon particles and a process for the preparation of dispersible carbon particles. In certain embodiments, the process of the present invention comprises polymerizing monomers from a carbon particle, wherein the carbon particle comprises one or more attached groups comprising one or more transferable atoms or groups. At least a portion of the monomers comprise at least one reactive or ionizable functional group capable of conversion into ionic functional groups. Ionic functional groups enhance the dispersity of the carbon particle in the desired medium, such as the dispersity of carbon black particles in water or aqueous solutions. The process of the present invention may further include converting at least a portion of the reactive or ionizable functional groups into ionic functional groups. The ionic groups may be quaternary ammonium groups, carboxylic acid groups, phosphonium groups, sulfonium groups, iodonium groups or salts thereof.
    • 本发明提供可分散的碳颗粒和制备可分散碳颗粒的方法。 在某些实施方案中,本发明的方法包括使来自碳颗粒的单体聚合,其中所述碳颗粒包含一个或多个包含一个或多个可转移原子或基团的连接基团。 至少一部分单体包含能够转化成离子官能团的至少一个反应性或可离子化官能团。 离子官能团增强碳颗粒在所需介质中的分散性,例如炭黑颗粒在水或水溶液中的分散性。 本发明的方法还可以包括将至少一部分反应性或可离子化的官能团转化为离子官能团。 离子基团可以是季铵基团,羧酸基团,鏻基团,锍基团,碘鎓基团或其盐。