Urea grease composition for constant velocity joints

Details Urea grease composition for constant velocity joints Urea grease composition for constant velocity joints

C - Chemistry, Metallurgy

10

M

C10M 169/06 (2006.01)

Patent

CA 2529567

Urea grease composition for constant velocity joints, comprising base oil, one or more urea thickener compounds: A) one or more molybdenum sulphurized dialkyldithiocarbamates represented by general formula (I), wherein Rl and R2 are independently chosen from alkyl groups of from 1 to 24 carbons, m + n = 4, m is from 0 to 3 and n is from 4 to 1, B) triphenylphosphorothionate represented by formula (II) and C) one or more stearic acid metal salts.

L'invention concerne une composition de graisse à base d'urée pour des joints homocinétiques, qui comprend : une huile de base ; un ou plusieurs épaississants à base d'urée ; A) un ou plusieurs dialkyldithiocarbamates sulfurés de molybdène représentés par la formule générale (I), dans laquelle R?l ¿et R?2 ¿sont indépendamment sélectionnés parmi des groupes alkyle comprenant entre 1 et 24 atomes de carbone, m + n = 4, m vaut entre 0 et 3 et n vaut entre 4 et 1, B) du triphénylphosphorothionate représenté par la formule (II) ; et C) un ou plusieurs sels métalliques d'acide stéarique.

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