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    • 5. 发明授权
    • Grease composition
    • 油脂组成
    • US08183191B2
    • 2012-05-22
    • US10512584
    • 2003-04-22
    • Hirotsugu KinoshitaSouichi NomuraTakashi AraiKiyomi Sakamoto
    • Hirotsugu KinoshitaSouichi NomuraTakashi AraiKiyomi Sakamoto
    • C10M133/20C10M137/02C10M129/00
    • C10M169/06C10M2205/12C10M2205/16C10M2215/1026C10M2219/068C10M2223/00C10M2223/045C10M2223/049C10N2210/06C10N2230/06C10N2240/04C10N2260/04
    • A grease composition containing a lubricant base oil, diurea compounds represented by the following general formulas (1) to (3), and at least one species selected from the group consisting of paraffin oxides and phosphorus compounds; wherein respective contents of the diurea compounds represented by the following general formulas (1) to (3) satisfy conditions defined by the following expressions (4) and (5); and wherein the total content of the paraffin oxides and phosphorus compounds is 0.1 to 15 mass % based on the total amount of the grease composition: where R1 is a hydrocarbon group containing an aromatic ring, R2 is a divalent hydrocarbon group, and R3 is a hydrocarbon group containing an aliphatic ring; 5≦W1+W2+W3≦30  (4) 0.3≦(W1+0.5×W2)/(W1+W2+W3)≦0.7  (5) where W1, W2, and W3 are respective contents (mass %) of the diurea compounds represented by general formulas (1) to (3) based on the total amount of the grease composition.
    • 一种含有润滑油基础油,以下述通式(1)〜(3)表示的二脲化合物以及选自由烷烃氧化物和磷化合物组成的组中的至少一种的润滑脂组合物, 其中由以下通式(1)至(3)表示的二脲化合物的各自的含量满足由以下表达式(4)和(5)定义的条件; 并且其中,所述烷烃氧化物和磷化合物的总含量相对于润滑脂组合物的总量为0.1〜15质量%:其中,R 1为含有芳香环的烃基,R 2为二价烃基,且R 3为 含有脂族环的烃基; (W1 + W2×W3)&n1E; 0.7(5)其中W1,W2和W3分别为内容物(质量%),W1 + W2 + W3 + nlE; 30(4)0.3& 的由通式(1)至(3)表示的二脲化合物,基于润滑脂组合物的总量。