Lubricating oil for internal combustion engines

Details Lubricating oil for internal combustion engines Lubricating oil for internal combustion engines

C - Chemistry, Metallurgy

10

M

C10M 135/18 (2006.01) C10M 135/00 (2006.01) C10M 141/08 (2006.01) C10M 141/10 (2006.01)

Patent

CA 2213075

There is disclosed a lubricating oil for internal combustion engine which comprises: a mineral oil and/or a synthetic lubricating oil as a base oil, and oxymolybdenum dithiocarbamate sulfide expressed by the chemical formula (1): (See formula I) wherein R1 or R1 and R3 denote a branched aliphatic hydrocarbon group having not less than fourteen carbons, and R2 through R4 or R2 and R4 denote an aliphatic hydrocarbon group having not less than four carbons, in the amount of 0.005 to 0.2% by weight, when calculated as molybdenum (Mo).

L'invention porte sur une huile de graissage pour moteurs à combustion interne comportant une huile minérale de base et/ou une huile de graissage synthétique et de 0,005 à 0,2 %, en poids de molybdène, d'oxysulfure dithiocarbamate de molybdène de formule chimique (1) dans laquelle: R1 ou R1 et R3 représentent chacun un radical hydrocarbure aliphatique ramifié à 14 atomes de carbone ou plus, et R2 à R4 ou R2 et R4 représentent chacun un radical hydrocarbure aliphatique à 4 atomes de carbone ou plus.

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