Additive composition and method of making the same

Details Additive composition and method of making the same Additive composition and method of making the same

C - Chemistry, Metallurgy

08

F

C08F 222/04 (2006.01) C08F 220/08 (2006.01) C08F 226/06 (2006.01) C08L 79/02 (2006.01) C10M 133/44 (2006.01)

Patent

CA 2747729

An oil-soluble lubricating oil additive composition prepared by the process which comprises (A) reacting a copolymer of an (i) an unsaturated acidic reagent; and (ii) a mono-olefin, with at least one linking hydrocarbyl di-primary amine, thereby producing a hybrid succinic anhydride copolymer having from about 10% to about 90% unreacted anhydride groups; and subsequently (B) reacting the hybrid succinic anhydride copolymer with a second amine compound, thereby producing the succinimide.

La présente invention concerne une composition d'additif pour huile lubrifiante liposoluble préparée par un procédé qui consiste à (A) faire réagir un copolymère (i) d'un réactif acide insaturé et (ii) d'une monooléfine avec au moins une diamine primaire hydrocarbylée de liaison, pour obtenir ainsi un copolymère d'anhydride succinique hybride comportant environ 10 à environ 90 % d'anhydride n'ayant pas réagi, puis (B) faire réagir ce copolymère avec un deuxième composé aminé pour obtenir ainsi un succinimide.

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