| 摘要 |
Lubricant compositions containing a dispersancy improving and antirust amount of the product obtained by reacting an alkenylsuccinic anhydride having from about 20 to about 500 carbon atoms with a member of the group consisting of: (A) an alkylene polyamine having the structure H2N-(CnH2nNH)x-CnH2n-NH2 in which n is a whole number from 2 to 4, x is a whole number from 1 to 10, said anhydride being present in an amount sufficient to react with all amino groups in the alkylene polyamine; (B) a mono or a bis-alkenylsuccinimide of an alkylene polyamine; and (C) a glycol ester, aminoglycol ester, imidoester, amidoester or oxazoline ester of an alkenylsuccinic anhydride.
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