Mixed base phenates and sulfonates

• US 8,586,517 B2
• Filed: 05/03/2006
• Issued: 11/19/2013
• Est. Priority Date: 05/03/2005
• Status: Active Grant

• Current Assignee: Southwest Research Institute
• Original Assignee: Southwest Research Institute
• Inventors: Waynick, John A.
• Primary Examiner(s): Goloboy, Jim
• Application Number:
  US11/417,001
• Publication Number:
  US 20070060485A1
• Time in Patent Office: 2,757 Days
• Field of Search: 508/390, 508/392, 508/360, 508/435, 508/460
• US Class Current: 508/392
• CPC Class Codes: C10M 141/08 at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
• CPC Class Codes: C10M 141/10 at least one of them being an organic phosphorus-containing compound
• CPC Class Codes: C10M 159/20 Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
• CPC Class Codes: C10M 159/22 containing phenol radicals
• CPC Class Codes: C10M 159/24 containing sulfonic radicals
• 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 2201/06 Metal compounds of chromium C10M2201/086
• CPC Class Codes: C10M 2201/062 Oxides; Hydroxides; Carbonates or bicarbonates
• CPC Class Codes: C10M 2201/084 containing sulfur, selenium or tellurium sulfides, tellurides, selenides C10M2201/065
• CPC Class Codes: C10M 2201/085 Phosphorus oxides, acids or salts
• CPC Class Codes: C10M 2207/028 Overbased salts thereof
• CPC Class Codes: C10M 2207/10 Carboxylix acids; Neutral salts thereof
• CPC Class Codes: C10M 2207/122 monocarboxylic
• CPC Class Codes: C10M 2207/123 polycarboxylic
• CPC Class Codes: C10M 2207/126 monocarboxylic
• CPC Class Codes: C10M 2207/144 containing hydroxy groups
• CPC Class Codes: C10M 2207/26 Overbased carboxylic acid salts
• CPC Class Codes: C10M 2211/044 Acids; Salts or esters thereof
• CPC Class Codes: C10M 2215/06 having amino groups bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2215/202 containing nitro groups
• CPC Class Codes: C10M 2219/046 : Overbasedsulfonic acid salts
• CPC Class Codes: C10M 2219/089 : Overbased salts
• CPC Class Codes: C10M 2223/04 : Phosphate esters
• CPC Class Codes: C10M 2223/045 : Metal containing thio derivatives
• CPC Class Codes: C10N 2010/04 : Groups 2 or 12
• 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 2030/52 : Base number [TBN]
• CPC Class Codes: C10N 2040/25 : Internal-combustion engines
• CPC Class Codes: C10N 2050/10 : Semi-solids; greasy

Abstract

A lubricant composition. The lubricant composition includes (a) a phenate, a sulfonate, or both; and (b) a base composition wherein the base composition is (i) a metal carbonate and a metal sulfate, (ii) a metal sulfate and a metal phosphate; (iii) a metal sulfate and a metal carboxylate; (iv) a metal phosphate and a metal carboxylate; or (v) three-way or four-way combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate; and (c) a lubricating oil or a grease.

Claims

1. An anti-wear composition, comprising:

(a) a phenate and a sulfonate; and

(b) a base composition comprising a combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate;

wherein the weight ratio of metal sulfate, metal carboxylate, metal phosphate, and metal carbonate, individually, to the total amount of other base present is each 1;

1000 to 1000;

1;

wherein the phenate is a calcium phenate having a total base number from about 100 to about 600;

wherein the sulfonate is a magnesium or calcium sulfonate having a total base number from about 100 to about 500;

wherein the phenate and the sulfonate are overbased with the base composition to provide an overbased phenate and an overbased sulfonate;

wherein the metal sulfate, metal carboxylate and metal phosphate are all reaction products of the metal carbonate; and

further additionally including metal sulphate particles, metal carboxylate particles, metal phosphate particles, and metal carbonate particles added to said overbased phenate and overbased sulfonate, wherein the metal sulphate particles, the metal carboxylate particles, the metal phosphate particles, and the metal carbonate particles are each nanoparticles.

11. The composition of claim 1 further comprising an antioxidant.

12. The composition of claim 1 further comprising an anticorrodant.

13. The composition of claim 1 further comprising a metal deactivator.

14. The composition of claim 1 further comprising calcium hydroxide.

15. The composition of claim 1 further comprising at least one of borate or boron.

2. A lubricant composition, comprising:

(a) a phenate and a sulfonate, wherein the phenate is a calcium phenate having a total base number from about 100 to about 600, and the sulfonate is a magnesium or calcium sulfonate having a total base number from about 100 to about 500; and

(b) a base composition comprising a combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate, wherein the phenate and the sulfonate are overbased with the base composition to provide an overbased phenate and an overbased sulfonate,

wherein the weight ratio of metal sulfate, metal carboxylate, metal phosphate, and metal carbonate, individually, to the total amount of other base present is each 1;

1000 to 1000;

1;

wherein the metal sulfate, metal carboxylate and metal phosphate are all reaction products of the metal carbonate; and

further additionally including metal sulphate particles, metal carboxylate particles, metal phosphate particles, and metal carbonate particles added to said overbased phenate and overbased sulfonate, wherein the metal sulphate particles, the metal carboxylate particles, the metal phosphate particles, and the metal carbonate particles are each nanoparticles; and

a lubricating oil or a grease.

3. The composition of claim 2, wherein the total amount of (a) and (b) is about 0.01 to about 50 weight percent based on the total weight of the composition.

4. The composition of claim 2, wherein the total amount of (a) and (b) is about 0.05 to about 20 weight percent based on the total weight of the composition.

5. The composition of claim 2, wherein the total amount of (a) and (b) is about 0.5 to about 5 weight percent based on the total weight of the composition.

6. A method of manufacturing an anti-wear composition, comprising:

combining (a) a phenate and a sulfonate, wherein the phenate is a calcium phenate having a total base number from about 100 to about 600, and the sulfonate is a magnesium or calcium sulfonate having a total base number from about 100 to about 500; and

(b) a base composition comprising a combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate, wherein the phenate and the sulfonate are overbased with the base composition to provide an overbased phenate and an overbased sulfonate, and wherein the weight ratio of metal sulfate, metal carboxylate, metal phosphate, and metal carbonate, individually, to the total amount of other base present is each 1;

1000 to 1000;

1;

wherein the metal sulfate, metal carboxylate and metal phosphate are all reaction products of the metal carbonate; and

adding metal sulphate particles, metal carboxylate particles, metal phosphate particles, and metal carbonate particles to said overbased phenate and overbased sulfonate, wherein the metal sulphate particles, the metal carboxylate particles, the metal phosphate particles, and the metal carbonate particles are each nanoparticles.

7. The method of claim 6, further comprising combining (a) and (b) with a lubricating oil or a grease.

8. The method of claim 7, wherein the total amount of (a) and (b) is about 0.01 to about 50 weight percent based on the total weight of the composition.

9. The method of claim 7, wherein the total amount of (a) and (b) is about 0.05 to about 20 weight percent based on the total weight of the composition.

10. The method of claim 7, wherein the total amount of (a) and (b) is about 0.5 to about 5 weight percent based on the total weight of the composition.

16. An anti-wear composition, consisting essentially of:

(a) a phenate and a sulfonate; and

(b) a base composition comprising a combination of a metal sulfate, a metal carboxylate, a metal phosphate, and a metal carbonate;

wherein the weight ratio of metal sulfate, metal carboxylate, metal phosphate, and metal carbonate, individually, to the total amount of other base present is each 1;

1000 to 1000;

1;

wherein the phenate is a calcium phenate having a total base number from about 100 to about 600;

wherein the sulfonate is a magnesium or calcium sulfonate having a total base number from about 100 to about 500;

wherein the phenate and the sulfonate are overbased with the base composition to provide an overbased phenate and an overbased sulfonate;

wherein the metal sulfate, metal carboxylate and metal phosphate are all reaction products of the metal carbonate; and

further additionally including metal sulphate particles, metal carboxylate particles, metal phosphate particles, and metal carbonate particles added to said overbased phenate and overbased sulfonate, wherein the metal sulphate particles, the metal carboxylate particles, the metal phosphate particles, and the metal carbonate particles are each nanoparticles.