Post-treated molybdenum imide additive composition, methods of making same and lubricating oil compositions containing same.

Abstract

The invention is directed to an embodiment of the present invention is directed to an oil soluble additive composition prepared by a process comprising: reacting, (a) a molybdenum component; (b) an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine wherein said reaction product is prepared by first charging a polyamine to a reaction vessel and then charging a hydrocarbyl dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine is from about 1:1 to about 1:0.5; and (c) a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition.

What is claimed is: 
     
         1 . An oil soluble additive composition prepared by a process comprising:
 reacting,   (a) a molybdenum component;   (b) an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine wherein said reaction product is prepared by first charging a polyamine to a reaction vessel and then charging a hydrocarbyl dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine is from about 1:1 to about 1:0.5; and   (c) a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition.   
     
     
         2 . The oil soluble additive composition of  claim 1 , wherein the molybdenum component is selected from the group consisting of molybdic acid, ammonium molybdate, sodium molybdate, potassium molybdate, metal molybdates, MoOCl 4 , MoO 2 Br 2 , Mo 2 O 3 C 16 , molybdenum trioxide, and mixtures thereof. 
     
     
         3 . The oil soluble additive composition of  claim 2 , wherein the molybdenum component is a molybdenum trioxide. 
     
     
         4 . The oil soluble additive composition of  claim 1 , the hydrocarbyl dicarboxylic acid component is a dicarboxylic acid, salt of a dicarboxylic acid, anhydride of a dicarboxylic acid, ester of a dicarboxylic acid ester, or mixtures thereof. 
     
     
         5 . The oil soluble additive composition of  claim 1 , wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine component is from about 1:1 to about 1:0.7. 
     
     
         6 . The oil soluble additive composition of  claim 4 , wherein the wherein the hydrocarbyl dicarboxylic acid component is an alkyl or alkenyl succinic anhydride. 
     
     
         7 . The oil soluble additive composition of  claim 5 , wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine is from about 1:1 to about 1:0.9. 
     
     
         8 . The oil soluble additive composition of  claim 1 , wherein the polyamine is a polyalkylenepolyamine of the general formula
   H 2 N(—R—NH) n —H
   and wherein R is an alkylene group of 2-3 carbon atoms and n is an integer of from 1 to 11.   
     
     
         9 . The oil soluble composition of  claim 8 , wherein the polyamine is tetraethylenepentamine (TEPA), diethylenetriamine (DETA), ethylenediamine (EDA), or mixtures thereof. 
     
     
         10 . The oil soluble additive composition of  claim 1  wherein the post-treating agent is a cyclic carbonate. 
     
     
         11 . The oil soluble additive composition of  claim 10  wherein the cyclic carbonate is ethylene carbonate or glycerine carbonate. 
     
     
         12 . A lubricating oil composition comprising:
 a. an oil of lubricating viscosity; and   b. the reaction product of
 i. a molybdenum component; 
 ii. an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine component wherein said imide comprises the reaction product prepared by first charging a polyamine to a reaction vessel and then charging a dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine component is from about 1:1 to about 1:0.5; and 
 iii. a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition. 
   
     
     
         13 . The lubricating oil composition of  claim 12 , wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine component is from 1:1 to about 1:0.7. 
     
     
         14 . The lubricating oil composition of  claim 12 , wherein the molybdenum content of the lubricating oil composition is between about 50 ppm and 5000 ppm. 
     
     
         15 . The lubricating oil composition of  claim 12 , wherein the oil soluble additive composition content is between 0.05 to 15% by weight. 
     
     
         16 . The lubricating oil composition of  claim 12 , wherein the charge mole ratio of the hydrocarbyl dicarboxlic acid component to the polyamine component is from about 1:1 to 1:0.9. 
     
     
         17 . The oil soluble additive composition of  claim 12 , wherein the post-treating agent is a cyclic carbonate. 
     
     
         18 . The lubricating oil composition of  claim 17 , wherein the cyclic carbonate is ethylene carbonate or glycerine carbonate. 
     
     
         19 . A process for preparing an oil soluble additive composition which comprises reacting:
 (a) a molybdenum component;   (b) an imide derived from the reaction product of a hydrocarbyl dicarboyxlic acid component and a polyamine wherein said reaction product is prepared by first charging a polyamine to a reaction vessel and then charging a dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the dicarboxylic acid component to the polyamine component is from about 1:1 to about 1:0.5; and   (c) a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition.   
     
     
         20 . The process of  claim 19 , wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine component is from about 1:1 to about 1:0.7. 
     
     
         21 . The process of  claim 19 , wherein the hydrocarbyl dicarboxylic acid component is a dicarboxylic acid, salt of a dicarboxylic acid, anhydride of a dicarboxylic acid, ester of a dicarboxylic acid ester, or mixtures thereof. 
     
     
         22 . The process of  claim 21 , wherein the hydrocarbyl dicarboxylic acid component is an alkyl or alkenyl succinic anydride. 
     
     
         23 . The process of  claim 19 , wherein said reaction of said molybdenum component and said imide is in the presence of a polar promoter. 
     
     
         24 . The process of  claim 23 , wherein the polar promoter is selected from the group consisting of 1,3-propanediol, 1,4-butanediol, diethylene glycol, butyl cellosolve, propylene glycol, 1,4-butyleneglycol, methyl carbitol, ethanolamine, ammonium hydroxide, alkyl ammonium hydroxide, metal hydroxide, N-methyl-diethanol-amine, dimethyl formamide, N-methyl acetamide, dimethyl acetamide, methanol, ethylene glycol, dimethyl sulfoxide, hexamethyl phosphoramide, tetrahydrofuran, water, inorganic acid, and mixtures thereof. 
     
     
         25 . The process of  claim 24 , wherein the polar promoter is water. 
     
     
         26 . The process of  claim 19 , wherein the molybdenum component is selected from the group consisting of molybdic acid, ammonium molybdate, sodium molybdate, potassium molybdate, metal molybdates, MoOCl 4 , MoO 2 Br 2 , Mo 2 O 3 C 16 , molybdenum trioxide, and mixtures thereof. 
     
     
         27 . The process of  claim 26 , wherein the molybdenum component is molybdenum trioxide. 
     
     
         28 . The process of  claim 19 , wherein the polyamine component comprises a polyalkylenepolyamine represented by the general formula
   H 2 N(—R—NH) n —H
   and wherein R is an alkylene group of 2-3 carbon atoms and n is an integer of from 1 to 11.   
     
     
         29 . The process of  claim 28 , wherein the polyamine component is tetraethylenepentamine (TEPA), diethylenetriamine (DETA), ethylenediamine (EDA), or mixtures thereof. 
     
     
         30 . The oil soluble additive composition of  claim 19 , wherein the post-treating agent is a cyclic carbonate. 
     
     
         31 . The process of  claim 19 , wherein the cyclic carbonate is ethylene carbonate or glycerine carbonate.