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    • 9. 发明申请
    • CAPPED PARTICLES FOR USE IN LUBRICANTS
    • 用于润滑剂的填充颗粒
    • US20100004147A1
    • 2010-01-07
    • US12492234
    • 2009-06-26
    • Shimon Mizrahi
    • Shimon Mizrahi
    • C10M125/00B32B1/00B05D5/08
    • C10M171/06C10M125/04C10M125/10C10M2201/06C10M2201/062C10M2201/081C10M2201/103C10M2209/04C10M2209/082C10M2217/022C10M2221/02C10M2225/02C10M2229/02C10N2210/01C10N2210/02C10N2210/03C10N2210/04C10N2210/08C10N2220/021C10N2220/082C10N2220/084Y10T428/2993Y10T428/2998
    • The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more core particles wherein the core particle is an inorganic particle having a dimension less than about 5 μm; and (ii) one or more multi-block copolymers attached to the inorganic particles, wherein the multi-block copolymer comprises a) at least one nonpolar polymer block; b) at least one first polar polymer block; and c) at least one second polar polymer block; wherein the nonpolar polymer block is interposed between the first polar polymer block and the second polar polymer block, the first polar polymer block is attached to the core particle, and at least a portion of the second polar polymer block is not attached to the core particle. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adhere to the metallic surface of the workpiece.
    • 本发明涉及润滑剂组合物中用于制备添加剂的方法的添加剂,以及在润滑剂和润滑系统中使用添加剂。 更具体地说,该添加剂包括一种封盖颗粒,其包括:(i)一种或多种芯颗粒,其中芯颗粒是尺寸小于约5μm的无机颗粒; 和(ii)连接到无机颗粒上的一种或多种多嵌段共聚物,其中所述多嵌段共聚物包含a)至少一种非极性聚合物嵌段; b)至少一个第一极性聚合物嵌段; 和c)至少一个第二极性聚合物嵌段; 其中所述非极性聚合物嵌段介于所述第一极性聚合物嵌段和所述第二极性聚合物嵌段之间,所述第一极性聚合物嵌段连接到所述芯颗粒,并且所述第二极性聚合物嵌段的至少一部分不附着于所述芯颗粒 。 当用于润滑剂以润滑工件的金属表面时,被覆盖的颗粒优选地粘附到工件的金属表面。