AMINE TUNGSTATES AND LUBRICANT COMPOSITIONS

• US 20080194440A1
• Filed: 04/03/2008
• Published: 08/14/2008
• Est. Priority Date: 07/12/2005
• Status: Active Grant

• Current Assignee: Alena Yermolenka, Farouk Abi-Karam, Ingo Roehrs, Michel Hourani, Ramanathan Ravichandran
• Original Assignee: Alena Yermolenka, Farouk Abi-Karam, Ingo Roehrs, Michel Hourani, Ramanathan Ravichandran
• Inventors: Hourani, Michel, Yermolenka, Alena, Ravichandran, Ramanathan, Abi-Karam, Farouk, Roehrs, Ingo
• Granted Patent: US 8,080,500 B2
• Time in Patent Office: Days
• US Class Current: 508/204
• CPC Class Codes: C07F 11/005 compounds without a metal-carbon linkage
• CPC Class Codes: C10M 159/18 Complexes with metals
• CPC Class Codes: C10M 163/00 Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
• CPC Class Codes: C10M 165/00 Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
• CPC Class Codes: C10M 2201/084 containing sulfur, selenium or tellurium
• CPC Class Codes: C10M 2207/026 with tertiary alkyl groups
• CPC Class Codes: C10M 2207/12 having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2207/126 monocarboxylic
• CPC Class Codes: C10M 2207/16 Naphthenic acids
• CPC Class Codes: C10M 2207/40 Fatty vegetable or animal oils
• CPC Class Codes: C10M 2215/04 having amino groups bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2215/042 containing hydroxy groups; Alkoxylated derivatives thereof
• CPC Class Codes: C10M 2215/044 having cycloaliphatic groups
• CPC Class Codes: C10M 2215/06 having amino groups bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2215/064 Di- and triaryl amines
• CPC Class Codes: C10M 2215/08 Amides
• CPC Class Codes: C10M 2215/086 Imides
• CPC Class Codes: C10M 2215/221 Six-membered rings containing nitrogen and carbon only
• CPC Class Codes: C10M 2215/223 Five-membered rings containing nitrogen and carbon only
• CPC Class Codes: C10M 2215/224 Imidazoles
• CPC Class Codes: C10M 2217/046 : Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
• CPC Class Codes: C10M 2219/04 : containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
• CPC Class Codes: C10M 2219/044 : Sulfonic acids, Derivatives thereof, e.g. neutral salts
• CPC Class Codes: C10M 2219/068 : Thiocarbamate metal salts
• CPC Class Codes: C10M 2219/08 : Thiols; Sulfides; Polysulfides; Mercaptals
• CPC Class Codes: C10M 2219/108 : Phenothiazine
• CPC Class Codes: C10M 2223/04 : Phosphate esters
• CPC Class Codes: C10M 2223/042 : Metal salts thereof
• CPC Class Codes: C10M 2223/045 : Metal containing thio derivatives
• CPC Class Codes: C10M 2227/04 : having a silicon-to-carbon bond, e.g. organo-silanes
• CPC Class Codes: C10N 2010/02 : Groups 1 or 11
• CPC Class Codes: C10N 2010/04 : Groups 2 or 12
• CPC Class Codes: C10N 2010/12 : Groups 6 or 16
• CPC Class Codes: C10N 2030/04 : Detergent property or dispersant property
• CPC Class Codes: C10N 2030/06 : Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• CPC Class Codes: C10N 2030/10 : Inhibition of oxidation, e.g. anti-oxidants
• CPC Class Codes: C10N 2040/04 : Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
• CPC Class Codes: C10N 2040/25 : Internal-combustion engines

Abstract

This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.

Claims

1. A lubricating oil composition comprising,

a) lubricating oil in an amount greater than 50% by weight;

b) an oil soluble secondary diaryl amine, and

c) polyamine molybdate, alkylated diarylamine molybdate or organo ammonium molybdate.

2. The composition according to claim 1 which includes polyamine molybdate, wherein the polyamine comprises:

3. The composition according to claim 1 which includes alkylated diarylamine molybdate, wherein the alkylated diarylamine comprises:

4. The composition according to claim 1 which includes an organo ammonium molybdate derived from a polyamine salt.

5. The composition according to claim 4, wherein the polyamine salt is formed from the reaction of an acid and a polyamine, and the polyamine comprises:

1) a polyamine of the formula;

6. The composition according to claim 5, wherein the acid is:

1) an alkylated monosulfonic acid, of the formula

7. The composition according to claim 5, wherein the acid comprises a mixture of monobasic acids of cycloparaffins derived from either cyclopentane or cyclohexane and cyclopentane and homologs and higher molecular weight analogs, said napthenic acids having molecular weights from about 180 to about 350.

8. The composition according to claim 5, wherein the acid is dihydrocarbylphosphoric acids, dihydrocarbyldithiophosphoric acids, or dihydrocarbylmonothiophosphoric acids of the formula

9. The composition according to claim 5, wherein the acid is an alkyl phenoxyalkanoic acid of the formula

10. An organo amine molybdate lubricating oil additive derived from the reaction of a salt of N-oleyl-1,3-propanediamine and:

dinonyl naphthalene sulfonic acid;

didodecyl naphthalene sulfonic acid;

a naphthenic acid;

di(2-ethylhexyl) phosphonic acid;

di(oleyl) phosphonic acid;

bis succinimide from alkenyl succinic anhydride and diethylene triamine;

bis(2-hydroxy ethyl) cocoamine and alkyl (C₁₄-C₁₈) bis(2-hydroxyethyl) amine or

di(2-ethylhexyl) dithiophosphoric acid.

11. A lubricating oil additive compound prepared by the process comprising

reacting of a molybdenum precursor compound with an amine selected from the group consisting of:

(a) polyamines of the formula;

12. A lubricating oil additive amine molybdate of claim 11 derived from the reaction of a salt of N-oleyl-1,3-propanediamine with dinonyl naphthalene sulfonic acid, a salt of N-oleyl-1,3-propanediamine with didodecyl naphthalene sulfonic acid, a salt of N-oleyl-1,3-propanediamine with naphthenic acid, a reaction product of canola oil with N-oleyl-1,3-propanediamine, a reaction product of aminoethyl imidazoline with Didodecyl naphthalene sulfonic acid, bis succinimide from alkenyl succinic anhydride and diethylene triamine, bis(2-hydroxy ethyl) cocoamine and alkyl (C₁₄-C₁₈) bis(2-hydroxyethyl) amine, a salt of N-oleyl-1,3-propanediamine with di(2-ethylhexyl) phosphonic acid, a salt of N-oleyl-1,3-propanediamine with di(oleyl) phosphonic acid, a salt of N-oleyl-1,3-propanediamine with di(2-ethylhexyl) dithiophosphoric acid.

13. A lubricating oil additive composition comprising

lubricating oil in an amount greater than 50% by weight;

an oil soluble secondary diaryl amine, and/or an oil soluble alkylated phenothiazine; and

an oil soluble or oil dispersible molybdenum compound wherein the oil soluble or oil dispersible molybdenum compound comprises an organo molybdate or an amine molybdate derived from amines selected from the group consisting of;

(a) polyamines of the formula;

14. A lubricating oil composition of claim 13, wherein the amine molybdate is derived from a reaction of a salt of N-oleyl-1,3-propanediamine with dinonyl naphthalene sulfonic acid;

a salt of N-oleyl-1,3-propanediamine with didodecyl naphthalene sulfonic acid;

a salt of N-oleyl-1,3-propanediamine with naphthenic acid;

a reaction product of canola oil with N-oleyl-1,3-propanediamine;

a reaction product of aminoethyl imidazoline with didodecyl naphthalene sulfonic acid;

bis succinimide from alkenyl succinic anhydride and diethylene triamine;

bis(2-hydroxy ethyl) cocoamine, alkyl (C₁₄-C₁₈) bis(2-hydroxyethyl) amine;

a salt of N-oleyl-1,3-propanediamine with di(2-ethylhexyl) phosphonic acid;

a salt of N-oleyl-1,3-propanediamine with di(oleyl) phosphonic acid, or a salt of N-oleyl-1,3-propanediamine with di(2-ethylhexyl) dithiophosphoric acid.