Dithiocarbamyl derivatives useful as lubricant additives

Details Dithiocarbamyl derivatives useful as lubricant additives Dithiocarbamyl derivatives useful as lubricant additives

C - Chemistry, Metallurgy

07

C

C07C 333/20 (2006.01) C10M 135/18 (2006.01) C10M 139/06 (2006.01)

Patent

CA 2343081

Dithiocarbamyl derivatives, useful as multifunctional additives for lubricating oils, of formula (I) wherein Q is (a), (b), (c), (d) or (e) R1 and R2 are each independently C1-C30 n-alkyl, C3-C30 branched alkyl, C3-C12 cycloalkyl, C5-C12 aryl, or C6-C12 alkylaryl; R3 is C1-C20 alkylene; R4 is -R3- C(O)-O-; R5 and R6 are each independently hydrogen, C1-C30 n-alkyl, C3-C30 branched alkyl, C3-C12 cycloalkyl, C5-C12 aryl, or C6-C12 alkylaryl; R7 is C1- C20 alkylene, optionally substituted with -OR5 or -COOH; R8 is -R3-C(O) -NR5-; n is 0, 1, 2 or 3; and y is 0, 1, 2 or 3.

L'invention concerne des dérivés de dithiocarbamyle présentant une grande utilité comme additifs multifonctionnels pour des huiles de lubrification, selon la formule (I) dans laquelle Q représente les formules (a), (b), (c), (d) ou (e). R?1¿ et R?2¿ sont chacun, indépendamment, n-alkyle C¿1?-C¿30?, alkyle ramifié C¿3?-C¿30?, cycloalkyle C¿3?-C¿12?, aryle C¿5?-C¿12? ou alkylaryle C¿6?-C¿12?; R?3¿ représente alkylène C¿1?-C¿20?; R?4¿ représente -R?3¿-C(O)-O-; R?5¿ et R?6¿ représentent chacun indépendamment hydrogène, n-alkyle C¿1?-C¿30?, alkyle ramifié C¿3?-C¿30?, cycloalkyle C¿3?-C¿12?, aryle C¿5?-C¿12? ou alkylaryle C¿6?-C¿12?; R?7¿ représente alkylène C¿1?-C¿20?, éventuellement substitué par -R?5¿ ou -OOH; R?8¿ représente -R?3¿-C(O)-NR?5¿; n représente 0, 1, 2 ou 3; et y représente 0, 1, 2 ou 3.

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