Diurea grease composition
    72.
    发明授权
    Diurea grease composition 失效
    二脲油脂组合物

    公开(公告)号:US5145591A

    公开(公告)日:1992-09-08

    申请号:US547880

    申请日:1990-07-03

    Abstract: A diurea grease composition contains a base oil and 2 to 25 wt.%, based on the total weight of the composition, of a diurea compound, the diurea grease compound being produced by reacting a mixed system of two or more different diisocyanates represented by the formula (I) OCN--R--NCO wherein R stands for a straight-chained or branched alkylene group, a straight-chained or branched alkenylene group, a cycloalkylene group or an aromatic group, with an amine compound selected from the group consisting of a primary amine represented by the formula (II) R.sub.1 --NH.sub.2 wherein R.sub.1 stands for a hydrocarbon residue having 6 to 20 carbon atoms, a secondary amine represented by the formula (III) ##STR1## wherein R.sub.2 and R.sub.3 each stand for hydrocarbon residues having 6 to 20 carbon atoms, and mixtures thereof.

    Abstract translation: 二脲润滑脂组合物含有基础油和基于组合物总重量的2至25重量%的二脲化合物,所述二脲油脂化合物是通过使由两种或更多种不同的二异氰酸酯表示的混合体系 式(I)OCN-R-NCO其中R代表直链或支链亚烷基,直链或支链亚烯基,亚环烷基或芳族基团,其中胺化合物选自 由式(II)表示的伯胺R1-NH2其中R1代表具有6至20个碳原子的烃残基,由式(III)表示的仲胺其中R2和R3各代表具有6个 至20个碳原子,及其混合物。

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