润滑科技信息平台

专利摘要

A fuel composition for two-cycle engines comprising a major amount of fuel boiling in the gasoline range and a minor amount of a lubricant composition comprising a base oil of lubricating viscosity and an additive formulation comprising (1) a molybdenum/sulfur complex of a basic nitrogen compound, (2) a carboxylic acid amide, and (3) a succinimide. ......

基本信息

专利类型:
发明专利
申请/专利号:
PCT/US1993/008471
申请日期:
1993-09-09
专利申请人:
雪弗龙研究及工业技术公司
分类号:
["F02B75/02","C10M159/12","C10M163/00","C10L1/20","C10N30/04","C10L10/08","C10L1/30","C10L1/16","C10N70/00","C10N10/12","C10N40/26","C10N60/10","C10M167/00","C10M159/18","C10L1/224","C10L1/14","C10L1/22","C10L1/26","C10L1/24","C10L10/00","C10L1/222","C10M133/16","C10M149/00"]
发明/设计人:
CALLIS, GLENN, E. ， SABOURIN, EDWARD, T.
权利要求: WHAT IS CLAIMED IS:l. A fuel composition for two-cycle engines comprising a major amount of fuel boiling in the gasoline range and a minor amount of a lubricant composition comprising:(A) a major amount of a base oil of lubricating viscosity, and(B) a minor amount of an additive formulation comprising:(1) a sulfurized molybdenum-containing composition prepared by (i) reacting an acidic molybdenum compound and a basic nitrogen compound selected from the group consisting of a succinimide, a carboxylic acid amide, a hydrocarbyl monoamine, a hydrocarbyl polyamine, a Mannich base, a phosphoramide, a thiophosphoramide, a phosphonamide, a dispersant viscosity index improver, or a mixture thereof, in the presence of a polar promoter, to form a molybdenum complex wherein from 0.01 to 2 atoms of molybdenum are present per basic nitrogen atom, and the promoter is present in the ratio of 0.01 to 50 moles of polar promoter per mole of molybdenum; and (ii) reacting the molybdenum complex with a sulfur-containing compound in an amount sufficient to provide about 1.5 to 4.0 atoms of sulfur per atom of molybdenum, to thereby form a sulfur- and molybdenum-containing composition, 1 (2) a carboxylic acid amide, and 2 3 (3) a succinimide. 4 5 2. The fuel composition of Claim 1, wherein the sulfur 6 source for component (1) is sulfur, hydrogen sulfide, 7 phosphorus pentasulfide, R2Sχ where R is hydrocarbyl,08 and x is at least 2, inorganic sulfides or inorganic 9 polysulfides, thioacetamide, thiourea, mercaptans of10 the formula RSH where R is hydrocarbyl, or a11 sulfur-containing antioxidant. 1213 3. The fuel composition of Claim 2, wherein the sulfur■*■* source for component (1) is sulfur, hydrogen sulfide,15 phosphorus pentasulfide, R2Sχ where R is C-*^16 hydrocarbyl, and x is at least 3, inorganic sulfides, 1 or inorganic polysulfides, thioacetamide, thiourea or18 RSH where R is Cj^0 alkyl, and the acidic molybdenum19 compound is molybdic acid, ammonium molybdate, or20 alkali metal molybdate.21224. The fuel composition of Claim 3, wherein said sulfur23 source is sulfur, hydrogen sulfide, RSH where R is C^Q24 alkyl, phosphorus pentasulfide, or (NH4)2Sχ., where x'25 is at least 1, said acidic molybdenum compound is26 molybdic acid, or ammonium molybdate, and said basic27 nitrogen compound is a succinimide, carboxylic acid28 amide, or Mannich base.29305. The fuel composition of Claim 4, wherein said basic31 nitrogen compound is a C24.350 hydrocarbyl succinimide,32 carboxylic acid amide, or a Mannich base prepared from33 a C9.20o alkylphenol, formaldehyde, and an amine.34 6. The fuel composition of Claim 5, wherein said basic nitrogen compound is a polyisobutenyl succinimide prepared from polyisobutenyl succinic anhydride and tetraethylene pentamine or triethylene tetramine.7. The fuel composition of Claim 5, wherein said basic nitrogen compound is a carboxylic acid amide prepared from one or more carboxylic acids of the formula R2COOH, or a derivative thereof which upon reaction with an amine yields a carboxylic acid amide, wherein R2 is Cj2_35o alkyl or C12-35θ alkenyl and a hydrocarbyl polyamine.8. The fuel composition of Claim 7, wherein R2 is C12_20 alkyl or C12_2o alkenyl and the hydrocarbyl polyamine is tetraethylene pentamine or triethylene tetramine.9. The fuel composition of Claim 5, wherein said basic nitrogen compound is a Mannich base prepared from dodecylphenol, formaldehyde, and methylamine.10. The fuel composition of Claim 5, wherein said basic nitrogen compound is a Mannich base prepared from c80-100 alkylphenol, formaldehyde and triethylene tetramine, tetraethylene pentamine, or mixtures thereof.11. The fuel composition of Claim 1, wherein the polar promoter is water.12. The fuel composition of Claim 1, wherein the carboxylic acid amide of component (2) is derived from a carboxylic acid of the formula R2COOH, wherein R2 is ci2-20 &lkyl» and an ethylene amine.13. The fuel composition of Claim 1, wherein the succinimide of component (3) is derived from polyisobutenyl succinic anhydride, wherein the polyisobutenyl group contains from about 50 to 250 carbon atoms, and an ethylene amine.14. The fuel composition of Claim 1, wherein the lubricant composition contains about 0.05 to 15% by weight of the molybdenum-containing composition of component (1) , about 0.05 to 20% by weight of the carboxylic acid amide of component (2), and about 0.05 to 15% by weight of the succinimide of component (3) .15. The fuel composition of Claim 1, wherein the molybdenum complex is reacted with the sulfur-containing compound in an amount sufficient to provide about 2.0 to 4.0 atoms of sulfur per atom of molybdenum.16. The fuel composition of Claim 15, wherein the molybdenum complex is reacted with the sulfur-containing compound in an amount sufficient to provide about 2.5 to 4.0 atoms of sulf r per atom of molybdenum.17. The fuel composition of Claim 1, wherein the additive . . . formulation further contains a flocculant inhibitor.18. The fuel composition of Claim 17, wherein the additive formulation further contains a lubricity agent. 19. A method for reducing engine deposits and piston ring sticking in a two-cycle engine which comprises operating the two-cycle engine with a fuel composition comprising a major amount of fuel boiling in the gasoline range and a minor amount of a lubricant composition comprising:(A) a major amount of a base oil of lubricating viscosity, and(B) a minor amount effective to reduce engine deposits and piston ring sticking of an additive formulation comprising:(1) a sulfurized molybdenum-containing composition prepared by (i) reacting an acidic molybdenum compound and a basic nitrogen compound selected from the group consisting of a succinimide, a carboxylic acid amide, a hydrocarbyl monoamine, a hydrocarbyl polyamine, a Mannich base, a phosphoramide, a thiophosphora ide, a phosphonamide, a dispersant viscosity index improver, or a mixture thereof, in the presence of a polar promoter, to form a molybdenum complex wherein from 0.01 to 2 atoms of molybdenum are present per basic nitrogen atom, and the promoter is present in the ratio of 0.01 to 50 moles of polar promoter per mole of molybdenum; and (ii) reacting the molybdenum complex with a sulfur-containing compound in an amount sufficient to provide about 1.5 to 4.0 atoms of sulfur per atom of molybdenum, to thereby 1 form a sulfur- and molybdenum-containing 2 composition; 3 4 (2) a carboxylic acid amide; and 5 6 (3) a succinimide. 7 8 20. The method of Claim 19 wherein the sulfur source for 9 component (1) is sulfur, hydrogen sulfide, phosphorus 0 pentasulfide, R2Sχ where R is hydrocarbyl, and x is at 1 least 2, inorganic sulfides or inorganic polysulfides, 2 thioacetamide, thiourea, mercaptans of the formula RSH 3 where R is hydrocarbyl, or a sulfur-containing1 antioxidant. 516 21. The method of Claim 20 wherein the sulfur source for17 component (1) is sulfur, hydrogen sulfide, phosphorus18 pentasulfide, R2Sχ where R is C hydrocarbyl, and x is ■*■ at least 3, inorganic sulfides, or inorganic2 polysulfides, thioacetamide, thiourea or RSH where R is21 CI^ alkyl, and the acidic molybdenum compound is 22 molybdic acid, ammonium molybdate, or alkali metal 23 molybdate. 24 2522. The method of Claim 21 wherein said sulfur source is 26 sulfur, hydrogen sulfide, RSH where R is CJ.JQ alkyl, 27 phosphorus pentasulfide, or (NH4)2Sχ., where x' is at 28 least 1, said acidic molybdenum compound is molybdic 29 acid, or ammonium molybdate, and said basic nitrogen 30 compound is a succinimide, carboxylic acid amide, or 31 Mannich base. 32 33 34 01 23. The method of Claim 22 wherein said basic nitrogen02 compound is a C24_350 hydrocarbyl succinimide,03 carboxylic acid amide, or a Mannich base prepared from°* a C9_20) alkylphenol, formaldehyde, and an amine. 0506 24. The method of Claim 23 wherein said basic nitrogen07 compound is a polyisobutenyl succinimide prepared from08 polyisobutenyl succinic anhydride and tetraethylene09 pentamine or triethylene tetramine.1011 25. The method of Claim 23 wherein said basic nitrogen12 compound is a carboxylic acid amide prepared from one1 or more carboxylic acids of the formula R2COOH, or a 14 derivative thereof which upon reaction with an amine yields a carboxylic acid amide, wherein R2 is C12.35016 alkyl or C12_350 alkenyl and a hydrocarbyl polyamine. 17 1826. The method of Claim 25 wherein R2 is C12.20 alkyl or 19 c12-20 alkenyl and the hydrocarbyl polyamine is 2021 tetraethylene pentamine or triethylene tetramine.222_ 27. The method of Claim 23 wherein said basic nitrogen,. compound is a Mannich base prepared from dodecylphenol,-5 formaldehyde, and methylamine.262_ 28. The method of Claim 23 wherein said basic nitrogen28 compound is a Mannich base prepared from C80.ιoo29 alkylphenol, formaldehyde and triethylene tetramine, 30 tetraethylene pentamine, or mixtures thereof.3132 29. The method of Claim 19 wherein the polar promoter is33 water. 34 30. The method of Claim 19 wherein the carboxylic acid amide of component (2) is derived from a carboxylic acid of the formula R2COOH, wherein R2 is C12. o alkyl, and an ethylene amine.31. The method of Claim 19 wherein the succinimide of component (3) is derived from polyisobutenyl succinic anhydride, wherein the polyisobutenyl group contains from about 50 to 250 carbon atoms, and an ethylene amine.32. The method of Claim 19 wherein the lubricant composition contains about 0.05 to 15% by weight of the molybdenum-containing composition of component (1) , about 0.05 to 20% by weight of the carboxylic acid amide of component (2), and about 0.05 to 15% by weight of the succinimide of component (3) .33. The method of Claim 19 wherein the molybdenum complex is reacted with the sulfur-containing compound in an amount sufficient to provide about 2.0 to 4.0 atoms of sulfur per atom of molybdenum.34. The method of Claim 33 wherein the molybdenum complex is reacted with the sulfur-containing compound in an amount sufficient to provide about 2.5 to 4.0 atoms of sulfur per atom of molybdenum.35. The method of Claim 19 wherein the additive formulation further contains a flocculant inhibitor.36. The method of Claim 35 wherein the additive formulation further contains a lubricity agent.