GREASE COMPOSITION AND BEARING
    2.
    发明申请
    GREASE COMPOSITION AND BEARING 有权
    润滑脂组合物和轴承

    公开(公告)号:US20150225668A1

    公开(公告)日:2015-08-13

    申请号:US14692906

    申请日:2015-04-22

    IPC分类号: C10M169/02

    摘要: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment.A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,  (I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.

    摘要翻译: 提供了一种润滑脂,其具有改善润滑脂进入润滑单元的流入性能,并且即使在高温环境下也用于轴承时使用寿命长。 一种含有基油和增稠剂的润滑脂组合物,其特征在于,所述基油含有酯类合成油,所述酯类合成油的含量为所述基础油的总质量的20质量%以上,所述增稠剂含有 由式(I)表示的二脲化合物:R1-NHCONH-R2-NHCONH-R3,(I)其中R2是C6-15二价芳族烃基,R1和R3相同或不同,代表环己基或C8 -22直链或支链烷基,环己基与环己基和C8-22直链或支链烷基的总摩尔比为60至95%。