Amine-boosted detergent

Abstract

A process for preparing a low ash detergent is described. The process involves mixing a surfactant composition that includes a hydroxybenzoate, sulfonate, or phosphonate detergent with an ashless nitrogen-containing compound to boost the base number of the hydroxybenzoate, sulfonate or phosphonate detergent.

1 . A process for preparing a low ash detergent, the process comprising:
 mixing a surfactant composition that includes hydroxybenzoate, sulfonate, or phosphonate detergent with an ashless nitrogen-containing compound to boost the base number of the hydroxybenzoate, sulfonate or phosphonate detergent.   
     
     
         2 . The process of  claim 1 , wherein the mixing occurs in the presence of carbon dioxide or ethylene carbonate. 
     
     
         3 . The process of  claim 1 , wherein the mixing neutralizes the hydroxybenzoate, sulfonate, or phosphonate detergent. 
     
     
         4 . The process of  claim 1 , wherein the hydroxybenzoate, sulfonate, or phosphonate detergent is neutralized by a metal base prior to the mixing or during the mixing. 
     
     
         5 . The process of  claim 4 , wherein the metal base is Ca(OH) 2  or MgO. 
     
     
         6 . The process of  claim 1 , wherein the nitrogen-containing compound is alkylated amine, hydrocarbyl amine, ethyleneamine, aromatic amine, ethanolamine, urea, diphenylamine, alkylated diphenylamine, benzyl amine, piperazine, alkylpiperazine, dialkylpiperazine, phenoxy amine, benzamide, phenyl amine, phthalimide, or amino acid. 
     
     
         7 . The process of  claim 1 , wherein the nitrogen-containing compound is C9 diphenylamine, 2-ethylhexyl(tallow)methylamine, ethyl hexyl amine, octylamine, ethylenediamine, N-methylethanolamine, 1,1,-dimethylethylenediamine, 2-methoxyethylamine, di-ethanolamine, N-methylpropylenediamine, tetramethylurea, N-phenyl phenylenediamine, tri-ethylene tetra-amine, tri-ethanol-amine, 1,4-diazabicyclo[2.2.2]octane, N,N′-bis(3-aminopropyl)ethylenediamine, 2-phenoxyethylamine, C20-C24 alkyl-2-phenoxyamine, 2-(2-aminoethoxy) naphthalene, N-(3-(dimethyl amino) propyl) benzamide, phenylpropylamine, N-(2-hydroxyethyl)phthalimide, N-(2-aminoethyl)phthalimide, N-(3-hydroxypropyl) phthalimide, N-(3-aminopropyl) phthalimide, N-(2-(methylamino)ethyl) phthalimide, N-(3-(methylamino)propyl) phthalimide, N-(2-(dimethylamino)ethyl) phthalimide, N-(3-(dimethylamino)propyl phthalimide, or glycine 
     
     
         8 . The process of  claim 1 , wherein the surfactant is a salt of alkyl hydroxy benzoic acid, alkyl aromatic sulfonic acid, or alkenyl aromatic sulfonic acid. 
     
     
         9 . The process of  claim 1 , wherein the mixing takes place before or after formation of metal carbonate. 
     
     
         10 . A process for preparing a low ash detergent, the process comprising:
 mixing hydroxybenzoate, sulfonate, or phosphonate detergent with an amine or amine derivative, wherein the amine or amine derivative is added to overbase or boost the base number of the hydroxybenzoate, sulfonate or phosphonate detergent.   
     
     
         11 . The process of  claim 10 , wherein the mixing occurs in the presence of carbon dioxide. 
     
     
         12 . The process of  claim 10 , wherein the mixing neutralizes the hydroxybenzoate, sulfonate, or phosphonate detergent. 
     
     
         13 . The process of  claim 10 , wherein the hydroxybenzoate, sulfonate, or phosphonate detergent is neutralized by a metal base prior to the mixing or during the mixing. 
     
     
         14 . The process of  claim 13 , wherein the metal base is Ca(OH) 2  or MgO. 
     
     
         15 . The process of  claim 10 , wherein the amine or amine-derivative is alkylated amine, hydrocarbyl amine, ethyleneamine, aromatic amine, ethanolamine, urea, diphenylamine, alkylated diphenylamine, benzyl amine, piperazine, alkylpiperazine, dialkylpiperazine, phenoxy amine, benzamide, phenyl amine, phthalimide, or amino acid. 
     
     
         16 . The process of  claim 10 , wherein the amine or amine-derivative is C9 diphenylamine, 2-ethylhexyl(tallow)methylamine, ethyl hexyl amine, octylamine, ethylenediamine, N-methylethanolamine, 1,1,-dimethylethylenediamine, 2-methoxyethylamine, di-ethanolamine, N-methylpropylenediamine, tetramethylurea, N-phenyl phenylenediamine, tri-ethylene tetra-amine, tri-ethanol-amine, 1,4-diazabicyclo[2.2.2]octane, N,N′-bis(3-aminopropyl)ethylenediamine, 2-phenoxyethylamine, C20-C24 alkyl-2-phenoxyamine, 2-(2-aminoethoxy) naphthalene, N-(3-(dimethyl amino) propyl) benzamide, phenylpropylamine, N-(2-hydroxyethyl)phthalimide, N-(2-aminoethyl)phthalimide, N-(3-hydroxypropyl) phthalimide, N-(3-aminopropyl) phthalimide, N-(2-(methylamino)ethyl) phthalimide, N-(3-(methylamino)propyl) phthalimide, N-(2-(dimethylamino)ethyl) phthalimide, N-(3-(dimethylamino)propyl phthalimide, or glycine. 
     
     
         17 . The process of  claim 10 , wherein the surfactant is a salt of alkyl hydroxy benzoic acid, alkyl aromatic sulfonic acid, or alkenyl aromatic sulfonic acid. 
     
     
         18 . The process of  claim 10 , wherein the mixing takes place before or after formation of metal carbonate. 
     
     
         19 . A lubricating oil composition comprising:
 major amount of an oil of lubricating viscosity; and   minor amount of a low ash detergent made from a process comprising:   mixing hydroxybenzoate, sulfonate, or phosphonate detergent with an amine or amine derivative, wherein the amine or amine derivative is added to overbase or boost the base number of the hydroxybenzoate, sulfonate or phosphonate detergent.   
     
     
         20 . The lubricating oil composition of  claim 19 , wherein the mixing occurs in the presence of carbon dioxide. 
     
     
         21 . The lubricating oil composition of  claim 19 , wherein the mixing neutralizes the hydroxybenzoate, sulfonate, or phosphonate detergent. 
     
     
         22 . The lubricating oil composition of  claim 19 , wherein the hydroxybenzoate, sulfonate, or phosphonate detergent is neutralized by a metal base prior to the mixing or during the mixing. 
     
     
         23 . The lubricating oil composition of  claim 19 , wherein the metal base is Ca(OH) 2  or MgO. 
     
     
         24 . The lubricating oil composition of  claim 19 , wherein the amine or amine derivative is alkylated amine, hydrocarbyl amine, ethyleneamine, aromatic amine, ethanolamine, urea, diphenylamine, alkylated diphenylamine, benzyl amine, piperazine, alkylpiperazine, dialkylpiperazine, phenoxy amine, benzamide, phenyl amine, phthalimide, or amino acid. 
     
     
         25 . The lubricating oil composition of  claim 19 , wherein the amine or amine-derivative is C9 diphenylamine, 2-ethylhexyl(tallow)methylamine, ethyl hexyl amine, octylamine, ethylenediamine, N-methylethanolamine, 1,1,-dimethylethylenediamine, 2-methoxyethylamine, di-ethanolamine, N-methylpropylenediamine, tetramethylurea, N-phenyl phenylenediamine, tri-ethylene tetra-amine, tri-ethanol-amine, 1,4-diazabicyclo[2.2.2]octane, N,N′-bis(3-aminopropyl)ethylenediamine, 2-phenoxyethylamine, C20-C24 alkyl-2-phenoxyamine, 2-(2-aminoethoxy) naphthalene, N-(3-(dimethyl amino) propyl) benzamide, phenylpropylamine, N-(2-hydroxyethyl)phthalimide, N-(2-aminoethyl)phthalimide, N-(3-hydroxypropyl) phthalimide, N-(3-aminopropyl) phthalimide, N-(2-(methylamino)ethyl) phthalimide, N-(3-(methylamino)propyl) phthalimide, N-(2-(dimethylamino)ethyl) phthalimide, N-(3-(dimethylamino)propyl phthalimide, or glycine. 
     
     
         26 . The lubricating oil composition of  claim 19 , wherein the surfactant is a salt of alkyl hydroxy benzoic acid, alkyl aromatic sulfonic acid, or alkenyl aromatic sulfonic acid. 
     
     
         27 . The lubricating oil composition of  claim 19 , wherein the mixing takes place before or after formation of metal carbonate.