Molybdenum-containing composition

Abstract

A reactive composition comprising: (A) a glycerol monoester; (B) an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms; and (C) a molybdenum compound in which the oxidation state of the molybdenum is +6; and a product prepared by reacting the reactive composition, including a product in the form of a composition which is useful as a friction modifier; and a lubricating composition comprising a lubricant in admixture with the friction modifier.

1 . A reactive composition comprising:
 (A) a glycerol monoester (GMO);   (B) an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms; and   (C) a molybdenum compound in which the oxidation state of the molybdenum is +6 (hereafter “a Mo reactant”).   
     
     
         2 . A composition according to  claim 1  comprising about 35 to about 65 wt. % of the monoester; about 15 to about 45 wt. % of the acid amide; and about 5 to about 25 wt. % of the molybdenum compound. 
     
     
         3 . A product prepared by reacting a reactive composition according to  claim 1 . 
     
     
         4 . A product in the form of a composition which is useful as a friction modifier and which comprises a mixture of the following:
 (A) about 25 to about 40 wt. % of a compound prepared by reacting a Mo reactant with an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms (hereafter “an acid amide”);   (B) about 25 to about 40 wt. % of a compound prepared by reacting a Mo reactant with a glycerol monoester; and   (C) about 10 to about 25 wt. % of a compound prepared by reacting a Mo reactant, an acid amide, and a glycerol monoester.   
     
     
         5 . A product according to  claim 4  wherein the compound of (C) above is prepared by reacting about 5 to about 25 wt. % of the Mo reactant, about 15 to about 45 wt. % of the acid amide; and about 35 to about 65 wt. % of sulfur. 
     
     
         6 . A composition according to  claim 1  wherein the composition contains no sulfur or contains no greater than about 0.01 wt. % of sulfur. 
     
     
         7 . A composition according to  claim 2  in which the molybdenum compound includes molybdenum trioxide, molybdenum hexachloride, or ammonium molybdate. 
     
     
         8 . A composition according to  claim 2  wherein the glycerol monoester is a compound in which one of the hydroxyl groups of glycerol is esterfied with a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which can be saturated or unsaturated. 
     
     
         9 . A composition according to  claim 2  wherein the amide is the residue of a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which is monounsaturated and the amide being a secondary or tertiary amide having an alkyl group(s) in which one or more of the carbon atoms thereof is substituted with a hydroxyl group. 
     
     
         10 . A product according to  claim 4  wherein the compound of (C) is prepared by reacting about 5 to about 25 wt. % of the Mo reactant, about 15 to about 45 wt. % of the acid amide, and about 35 to about 65 wt. % of the monoester; and wherein the glycerol ester of the compound of (B) is a compound in which one of the hydroxyl groups of glycerol is esterfied with a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which can be saturated or unsaturated; and wherein the acid amide of the compound of (A) is the residue of a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which is monounsaturated and the amide being a secondary or tertiary amide having an alkyl group(s) in which one or more of the carbon atoms thereof is substituted with a hydroxyl group. 
     
     
         11 . A product, according to  claim 4  wherein the glycerol monoester is a compound in which one of the hydroxyl groups of glycerol is esterfied with a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which can be saturated or unsaturated. 
     
     
         12 . A product according to  claim 4 , wherein the amide is the residue of a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which is monounsaturated, the amide being a secondary or tertiary amide having an alkyl group(s) in which one or more of the carbon atoms thereof is substituted with a hydroxyl group. 
     
     
         13 . A method which comprises:
 (A) heating a reactive mixture of the following compounds:   (i) a glycerol monoester, (GMO);   (ii) an acid amide; and   (iii) a Mo reactant (Mo+6); and including heating the mixture under temperature, time, and other conditions which are sufficient to produce a composition in the form of a reaction product that comprises a Mo+6 complexed with GMO or with an acid amide or with GMO and an acid amide.   
     
     
         14 . A product prepared by the method of  claim 13   
     
     
         15 . A lubricating composition comprising a lubricant in admixture with a friction modifier additive which comprises a product according to  claim 4  in an amount which improves the lubricating properties of the lubricant. 
     
     
         16 . A lubricating composition comprising a lubricant in admixture with a friction modifier additive which comprises a product according to  claim 4 , wherein the lubricating composition comprises up to about 1 wt. % of the additive. 
     
     
         17 . A composition according to  claim 16  wherein the lubricating composition comprises a lubricating oil and about 0.5 to about 1 wt. % of the additive. 
     
     
         18 . A composition according to  claim 16  wherein the additive contains no sulfur or contains no greater than about 0.01 wt. % of sulfur. 
     
     
         19 . A composition according to  claim 16  wherein the lubricant comprises a grease, an engine oil, or a metal working fluid. 
     
     
         20 . A composition according to  claim 19  wherein the lubricant is a grease.