Molybdenum-containing friction modifying additive for lubricating oils

• US 4,466,901 A
• Filed: 06/11/1982
• Issued: 08/21/1984
• Est. Priority Date: 06/11/1982
• Status: Expired due to Fees

• Current Assignee: Ethyl Corporation (Newmarket Corporation)
• Original Assignee: Standard Oil Company (BP PLC)
• Inventors: Hunt, Mack W., West, Charles T.
• Primary Examiner(s): Howard, Jacqueline V.
• Application Number:
  US06/387,623
• Time in Patent Office: 802 Days
• Field of Search: 252/32.7 E, 252/42.7, 252/46.7, 252/49.7, 252/46.4
• US Class Current: 508/328
• CPC Class Codes: C10M 125/06 Sulfur
• CPC Class Codes: C10M 125/22 Compounds containing sulfur, selenium or tellurium
• CPC Class Codes: C10M 129/10 having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
• CPC Class Codes: C10M 133/04 Amines, e.g. polyalkylene polyamines; Quaternary amines polyalkylene polyamines with eleven or more monomer units C10M149/22
• CPC Class Codes: C10M 159/18 Complexes with metals
• CPC Class Codes: C10M 2201/043 Sulfur; Selenenium; Tellurium
• CPC Class Codes: C10M 2201/065 Sulfides; Selenides; Tellurides
• CPC Class Codes: C10M 2201/066 Molybdenum sulfide
• CPC Class Codes: C10M 2201/084 containing sulfur, selenium or tellurium
• CPC Class Codes: C10M 2207/023 having hydroxy groups bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2207/026 with tertiary alkyl groups
• CPC Class Codes: C10M 2207/027 Neutral salts thereof
• CPC Class Codes: C10M 2207/09 Metal enolates, i.e. keto-enol metal complexes
• CPC Class Codes: C10M 2215/02 Amines, e.g. polyalkylene polyamines; Quaternary amines
• CPC Class Codes: C10M 2227/09 Complexes with metals
• CPC Class Codes: C10N 2010/12 Groups 6 or 16
• CPC Class Codes: C10N 2040/00 Specified use or application for which the lubricating composition is intended
• CPC Class Codes: C10N 2040/04 Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
• CPC Class Codes: C10N 2040/042 for automatic transmissions
• CPC Class Codes: C10N 2040/044 for manual transmissions
• CPC Class Codes: C10N 2040/046 : for traction drives
• CPC Class Codes: C10N 2040/08 : Hydraulic fluids, e.g. brake-fluids
• CPC Class Codes: C10N 2040/135 : Steam engines or turbines
• CPC Class Codes: C10N 2040/20 : Metal working
• CPC Class Codes: C10N 2040/25 : Internal-combustion engines
• CPC Class Codes: C10N 2040/251 : Alcohol-fuelled engines
• CPC Class Codes: C10N 2040/252 : Diesel engines
• CPC Class Codes: C10N 2040/253 : Small diesel engines
• CPC Class Codes: C10N 2040/255 : Gasoline engines
• CPC Class Codes: C10N 2040/26 : Two-strokes or two-cycle engines
• CPC Class Codes: C10N 2040/28 : Rotary engines
• CPC Class Codes: C10N 2040/30 : Refrigerators lubricants or compressors lubricants
• CPC Class Codes: C10N 2040/32 : Wires, ropes or cables lubricants
• CPC Class Codes: C10N 2040/34 : Lubricating-sealants
• CPC Class Codes: C10N 2040/36 : Release agents or mold release agents
• CPC Class Codes: C10N 2040/38 : Conveyors or chain belts
• CPC Class Codes: C10N 2040/40 : Generators or electric motors in oil or gas winning field
• CPC Class Codes: C10N 2040/42 : Flashing oils or marking oils
• CPC Class Codes: C10N 2040/44 : Super vacuum or supercritical use
• CPC Class Codes: C10N 2040/50 : Medical uses

Abstract

Lubricating oil composition comprising the reaction product of a phenolic compound, a molybdenum, an amine and sulfur or a sulfur-yielding compound. Preferably, molybdenum oxide, an alkyl-substituted phenol having an alkyl side chain of at least 9 carbon atoms, an amine having at least one aliphatic hydrocarbon-based radical or aliphatic-substituted aromatic radical and elemental sulfur are reacted to produce the reaction product of the invention.

Claims

1. An approved lubricating oil composition comprising a lubricating oil and a material consisting essentially of the reaction product of:

(a) a phenolic compound comprising an alkyl-substituted phenol with the alkyl side chain having at least nine carbon atoms;

(b) a molybdenum compound;

(c) an amine compound comprising a mono- or polyamine having at least one aliphatic hydrocarbon based radical or an aromatic or aliphatic-substituted aromatic radical; and

(d) sulfur or a sulfur-yielding compound, said sulfur and said maine compound being present in amounts that will provide a sulfur/amine molar ratio that is within the range of 1;

1 to 60;

1, said reaction product being prepared by adding the reactants in any order at room temperature to form a reaction mixture, heating subsequently said mixture to an elevated temperature and holding said mixture at said elevated temperature for a period of time, said temperature and said time being sufficient to cause the formation of said reaction product.

2. The composition of claim 1 whereifn said molybdenum compound comprises molybdenum oxide or ammonium molybdate or the alkali metal salts thereof.

3. The composition of claim 1 wherein said phenolic compound is sulfurized by sulfur or a sulfur-yielding compound prior to addition as a reactant herein.

4. The composition of claim 1, wherein the alkyl side chain comprises a polymer of propene or butene, a homopolymer of propene or a polyethylene having from about 10 to about 20 carbon atoms.

5. The composition of claim 4 wherein said alkyl side chain comprises a trimer or tetramer of propene.

6. The composition of claim 1 wherein said sulfur or sulfur-yielding compound is present in excess quantities with a sulfur/amine ratio of 3 to 5, said elevated temperature is within the range of about 177°

C. to about 182°

C., and said period of time is within the range of about 4 to about 5 hours.

7. The composition of claim 1 wherein zinc dithophosphate is added to the lubricating oil.