Substituted linear thiourea additives for lubricants

Details Substituted linear thiourea additives for lubricants Substituted linear thiourea additives for lubricants

C - Chemistry, Metallurgy

10

M

C10M 135/16 (2006.01) C07C 335/08 (2006.01) C07C 335/10 (2006.01) C07C 335/12 (2006.01) C10M 141/10 (2006.01)

Patent

CA 2392027

Compounds and lubricant compositions are disclosed that comprise a substituted linear thiourea of structure (I) wherein R1, R2, and R4 are independently selected from the group consisting of alkyl, alkenyl, aryl, alkaryl, aralkyl, and hydrogen; R3 is selected from the group consisting of alkyl, alkenyl, and combinations thereof; X is selected from the group consisting of (i) methylene, if, and only if, R3 is alkylene, (ii) oxygen, and (iii) sulfur; and A is selected from the group consisting of alkylene and aryl.

L'invention concerne des composés et des compositions lubrifiantes comprenant une thio-urée linéaire substituée de structure (I) dans laquelle R¿1?, R¿2? et R¿3? sont sélectionnés de façon indépendante dans le groupe comprenant un alkyle, un alcényle, un aryle, un alkaryle, un aralkyle et un hydrogène; R¿3? est sélectionné dans le groupe comprenant un alkyle, un alcényle et leur combinaison; X est sélectionné dans le groupe comprenant (i) un méthylène, dans le cas où seulement, R¿3? est un alcylène, (ii) un oxygène et (iii) un soufre; et A est sélectionné dans le groupe comprenant un alcylène et un aryle.

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