润滑科技信息平台

Oil-soluble molybdenum multifunctional friction modifier additives for lubricant compositions

专利摘要

A lubricating oil additive is disclosed that comprises the reaction product of: (a) an unsaturated or saturated ester or acid, (b) a diamine of the formula: (c) carbon disulfide, and (d) a molybdenum compound, wherein R8 is an alkyl group of 1 to 40 carbon atoms, R9 and R10 are independently selected aliphatic or aromatic moieties, W is oxygen, sulfur, or -CH2-. The additive imparts friction modification and beneficial antiwear, extreme pressure, and oxidation stability properties to the lubricating oil. ......

基本信息

专利类型:
发明专利
申请/专利号:
US09/268130
申请日期:
1999-03-15
专利申请人:
尤尼罗亚尔化学公司
分类号:
["C07F11/00","C10M159/12","C10M159/18","C10M159/00","C10M125/00","C10M125/06","C10M125/10","C10M129/10","C10M129/28","C10M129/68","C10M133/06","C10M133/08","C10M133/12","C10M135/04","C10M135/18","C10M135/20","C10M135/22","C10M135/36","C10M137/10","C10M159/08","C10M169/04","C10N10/02","C10N10/12","C10N30/06","C10N30/10","C10N40/00","C10N40/04","C10N40/08","C10N40/12","C10N40/20","C10N40/25","C10N40/30","C10N50/10","C10M133/00","C10M135/00"]
发明/设计人:
NALESNIK, THEODORE E. ， MIGDAL, CYRIL A.
权利要求: What is claimed is:1. A lubricating oil additive comprising the reaction product of(a) an unsaturated or saturated ester or acid,(b) a diamine of the formula: ##STR13## (c) carbon disulfide, and (d) a molybdenum compound selected from the group consisting of molybdic acid, ammonium molybdate, MoOCl.sub.4, MoO.sub.2 Br.sub.2, Mo.sub.2 O.sub.3 Cl.sub.6, MoO.sub.3, and the thio analogues of the foregoing,wherein R.sub.8 is an alkyl group of 8 to 24 carbon atoms, R.sub.9 and R.sub.10 are independently selected aliphatic or aromatic moieties, and W is oxygen, sulfur, or --CH.sub.2 -- and wherein (a) is first reacted with (b) to form a first reaction product, the first reaction product is then reacted with (c) to form a second reaction product, and the second reaction product is then reacted with (d) to form the final reaction product.2. The additive of claim 1 wherein R.sub.9 and R.sub.10 are alkylene.3. The additive of claim 1 wherein R.sub.9 and R.sub.10 are propylene.4. The additive of claim 1 wherein W is oxygen.5. The additive of claim 1 wherein the diamine is used in a concentration of about 10 weight percent to about 70 weight percent.6. The additive of claim 1 comprising the molybdenum compound in a concentration of about 0.01 to about 15 weight percent.7. The additive of claim 1 wherein the amine moiety is derived from octyl/decyloxypropyl-1,3-diaminopropane; isodecyloxypropyl-1,3-diaminopropane; isododecyloxypropyl-1,3-diaminopropane; dodecyl/tetradecyloxypropyl-1,3-diaminopropane; isotridecyloxypropyl-1,3-diaminopropane; tetradecyloxypropyl-1,3-diaminopropane; N-coco-1,3-diaminopropanes; N-tallow-1,3-diaminopropanes or N-oleyl-1,3-diaminopropane.8. The additive of claim 1 wherein the unsaturated or saturated ester is vegetable oil.9. A lubricating composition comprising a lubricating oil and an additive comprising the reaction product ofa. an unsaturated or saturated ester or acid,b. a diamine of the formula: ##STR14## c. carbon disulfide, and d. a molybdenum compound selected from the group consisting of molybdic acid, ammonium molybdate, MoOCl.sub.4, MoO.sub.2 Br.sub.2, Mo.sub.2 O.sub.3, and the thio analogues of the foregoing,wherein R.sub.8 is an alkyl group of 8 to 24 carbon atoms, R.sub.9 and R.sub.10 are independently selected aliphatic or aromatic moieties, W is oxygen, sulfur, or --CH.sub.2 -- and wherein (a) is first reacted with (b) to form a first reaction product, the first reaction product is then reacted with (c) to form a second reaction product, and the second reaction product is then reacted with (d) to form the final reaction product.10. The additive of claim 9 wherein R.sub.9 and R.sub.10 are alkylene.11. The additive of claim 9 wherein R.sub.9 and R.sub.10 are propylene.12. The composition of claim 9 wherein W is oxygen.13. The composition of claim 9 wherein the diamine is used in a concentration of about 10 weight percent to about 70 weight percent.14. The composition of claim 9 comprising the molybdenum compound in a concentration of about 0.01 to about 15 weight percent.15. The composition of claim 9 wherein the amine moiety is derived from octyl/decyloxypropyl-1,3-diaminopropane; isodecyloxypropyl-1,3-diaminopropane; isododecyloxypropyl-1,3-diaminopropane; dodecyl/tetradecyloxypropyl-1,3-diaminopropane; isotridecyloxypropyl-1,3-diaminopropane; tetradecyloxypropyl-1,3-diaminopropane; N-coco-1,3-diaminopropanes; N-tallow-1,3-diaminopropanes or N-oleyl-1,3-diaminopropane.16. The composition of claim 9 wherein the unsaturated or saturated ester is vegetable oil.17. The composition of claim 9 further comprising at least one additive selected from the group consisting of dispersants, detergents, corrosion/rust inhibitors, zinc dialkydithiophosphates, secondary aromatic amine antioxidants, hindered phenolic antioxidants, sulfur-containing hindered phenolic antioxidants, sulfurized olefins, thiadiazoles, VI improvers, and pour point depressants.18. The composition of claim 17 wherein at least one additive is a secondary aromatic amine antioxidant of the formula R.sub.11 --NH--R.sub.12 where R.sub.11 and R.sub.12 each independently represent a substituted or unsubstituted aryl group of 6 to 46 carbon atoms.19. The composition of claim 18 where the secondary aromatic amine antioxidant is selected from the group consisting of diphenylamine, dialkylated diphenylamine, trialkylated diphenylamine, or mixtures thereof, 3-hydroxydiphenylamine, 4-hydroxydiphenylamine, N-phenyl-1,2-phenylenediamine, N-phenyl-1,4-phenylenediamine, mono- and/or di-butyldiphenylamine, mono- and/or di-octyldiphenylamine, mono- and/or di-nonyldiphenylamine, phenyl-.alpha.-naphthylamine, phenyl-.beta.-naphthylamine, di-heptyldiphenylamine, mono- and/or di-(.alpha.-methylstyryl)diphenylamine, mono- and/or di-styryldiphenylamine, N,N'-diisopropyl-p-phenylenediamine, N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine, N,N'-bis(1-ethyl-3-methylpentyl)-p-phenylenediamine, N,N'-bis(1-methylheptyl)-p-phenylenediamine, N,N'-diphenyl-p-phenylenediamine, N,N'-di-(naphthyl-2)-p-phenylenediamine, N-isopropyl-N'-phenyl-p-phenylenediamine, N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine, N-(1-methylpentyl)-N'-phenyl-p-phenylenediamine, N-cyclohexyl-N'-phenyl-p-phenylenediamine, 4-(p-toluenesulfonamido)diphenylamine, 4-isopropoxydiphenylamine, tert-octylated N-phenyl-1-naphthylamino, and mixtures of mono- and dialkylated t-butyl-t-octyldiphenylamines.20. The composition of claim 9 further comprising an additive selected from the group consisting of (a) secondary aromatic amine antioxidants of the formula R.sub.11 --NH--R.sub.12 where R.sub.11 and R.sub.12 each independently represent a substituted or unsubstituted aryl group of 6 to 46 carbon atoms and (b) zinc dialkyl dithiophosphates.21. The composition of claim 9 further comprising an additive selected from the group consisting of (a) secondary aromatic amine antioxidants of the formula R.sub.11 --NH--R.sub.12 where R.sub.11 and R.sub.12 each independently represent a substituted or unsubstituted aryl is group of 6 to 46 carbon atoms and (b) zinc diaryl dithiophosphates.