초록 ▼

The invention relates to a novel emulsified composition comprising (a) major amount of an aqueous phase, (b) a minor amount of an organic phase and (c) a minor but effective amount of at least one emulsifier to emulsify the aqueous and organic phase resulting in a water in oil emulsified lubricants,

The invention relates to a novel emulsified composition comprising (a) major amount of an aqueous phase, (b) a minor amount of an organic phase and (c) a minor but effective amount of at least one emulsifier to emulsify the aqueous and organic phase resulting in a water in oil emulsified lubricants, in particular an emulsified greases. Further, the present invention provides a process for making the emulsified compositions.

대표청구항 ▼

1. A process to produce an emulsified composition comprisingA. mixing the following components (a) a major amount of water, (b) a minor amount of oil of lubricating viscosity, (c) at least one emulsifier, (d) optionally, one or more water soluble additives, (e) one or more oil soluble additives, (f)

1. A process to produce an emulsified composition comprisingA. mixing the following components (a) a major amount of water, (b) a minor amount of oil of lubricating viscosity, (c) at least one emulsifier, (d) optionally, one or more water soluble additives, (e) one or more oil soluble additives, (f) optionally, one or more alcohols, and (g) one or more thickeners, and (h) combination thereof; B. with sufficient shear to form a water in oil emulsion of a lubricant. 2. The process of claim 1 wherein the process is selected from the group comprising a batch, semi-batch, continuous or a combination thereof to produce an emulsified lubricant with a desired particle size and uniform dispersion of water in oil having a mean particle droplet size in the range of about 0.01 micron to about 20 microns; and wherein the temperature is in the range of ambient temperature to about 200° C., and the pressure is in the range of about atmosphere pressure to about 20,000/psi.3. An emulsified composition comprising a major amount of water in the range of about 99% to about 5% by weight of the emulsified composition, a minor amount of an oil of lubricating viscosity in the range of about 1% to about 95% by weight of the emulsified composition and a minor but effective amount of at least one or more thickeners and one emulsifier to emulsify the aqueous and organic phase resulting in a water in oil emulsified grease.4. The composition of claim 3 further comprises at least one of water soluble additives, alcohols, thickeners, solid additives and combinations thereof.5. The composition of claim 3 having a viscosity in the range of about 200 to about greater than 200,000 cPs measured on a Brookfield Viscometer with a No. 7 spindle at 20 rpm at 25° C.6. The composition of claim 3 wherein the oil comprises natural oils, synthetic oils, alkylene oxide polymers, esters of dicarboxylic acids, unrefined oils, refined oils, re-refined oils, waxes and combinations thereof.7. The composition of claim 4 wherein the water soluble additives are selected from the group comprising at least one of alcohols; extreme pressure anti-wear additives; water soluble salts, selected from the group comprising dihydrogen butyl phosphate, water soluble dithiophosphate salts and combinations thereof; water soluble inorganic salts selected from the group comprising xanthates, dithiocarbonates, trithiocarbonates, sulfates, sulfites, sulfides and combinations thereof; water soluble phosphate esters, phosphites, phosphonates, dithiophosphate esters; water soluble rust inhibitors selected from the group comprising morpholine and alkanolamines, phosphorous and phosphoric acid derivatives including mono and diesters and amine or metallic salts of phosphoric and phosphorous acid, thickeners; and combinations thereof; and wherein the water soluble additives are present in the range of about 0% to about 50% by weight of emulsified composition.8. The composition of claim 3 wherein the oil soluble additives are selected from the group consisting of extreme pressure anti-wear additives, metal deactivators, dispersants, antifoams, corrosion rust inhibitors, antioxidants, detergents, polymers, functionalized polymers and combinations thereof, wherein the oil soluble additives are present in the range of greater than 0% to about 75% by weight of the emulsified composition.9. The composition of claim 8 wherein the antioxidants comprised of phenate sulfides, phosphosulfurized terpenes, sulfurized esters, aromatic amines, hindered phenols and combinations thereof and wherein the antioxidants are present in the range of about 0% to about 10% by weight of the emulsified composition.10. The composition of claim 8 wherein the metal deactivators comprise benzotriazole, benzimidazole, 2-alkyldithiobenzimidazoles, 2-alkyldithiobenzothiazoles, 2-(N,N-dialkyldithiocarbamoyl)benzothiazoles, 2,5-bis(alkyldithio)-1,3,4-thiadiazoles, 2,5-bis(N,N-dialkyldithiocarbamoyl)-1,3,4-thiadiazoles and combinations thereof and wherein the metal deactivators are be present in the range of 0% to about 5% by weight of the emulsified composition.11. The composition of claim 8 wherein the oil soluble detergents comprise overbased materials prepared by reacting an acidic material with a mixture comprising an acidic organic compound, a reaction medium comprising at least one inert, organic solvent for the acidic organic material, a stoichiometric excess of a metal base, and a promoter and wherein the detergent is present in the range of about 0% to about 8% by weight of the emulsified composition.12. The composition of claim 8 wherein the antifoams comprise organic silicones, dimethyl silicone and combinations thereof and where the antifoams are present in the range of about 0% to about 2% by weight of the emulsified composition.13. The composition of claim 8 wherein the antirust compounds comprise alkyl substituted aliphatic dicarboylic acids, alkenyl acids, succinic acids, sulfonates relating to the metal detergent, sodium nitrite, calcium salts of oxidized paraffin wax, magnesium salts of oxidized paraffin wax, alkali metal salts, alkaline earth metal salts or amine salts of beef tallow fatty acids, alkenyl succinates or alkenyl succinic acid half esters, glycerol monoesters, nonylphenyl ethoxylate, lanolin fatty acid esters, calcium salts of lanolin fatty acids, and combinations thereof and wherein the antirust compound is present in the range of about 0% to about 10% by weight of the emulsified composition.14. The composition of claim 3 wherein the emulsifier comprises a surfactant with a hydrophilic lipophilic balance less than or equal to HLB of 9; and wherein the emulsifier is present in the range of about 20% to about 0.25% by weight of the emulsified composition.15. The composition of claim 3 wherein the emulsifier comprises hydroxysubstituted hydrocarbon amines including mono-, di-, and tri-alkanol amines wherein each alkanol group contains 2 to about 10 carbon atoms; hydrocarbyl amines including mono-, di-, and tri-hydrocarbon amines wherein each hydrocarbon group has 1 to about 20 carbon atoms; polyols of 3 to 8 hydroxyls including those having 3 to 8 hydroxyl groups and 3 to 12 aliphatic carbon atoms and analogous materials made by treating such polyols with alkylene oxides of 2 to 8 carbon atoms; alkylene glycols including those wherein the alkylene group has 2 to 4 carbon atoms; polyalkylene glycols including those wherein each alkylene group is of 2 to 4 carbon atoms and the polyalkylene glycol has molecular weights ranging from 50 to about 1500; sulfonated materials such as sulfonated hydrocarbon and amine-neutralized salts thereof, sulfonamidcarboxylic acids and neutralized derivatives thereof and combinations thereof.16. The composition of claim 3 wherein the emulsifier comprises (polybutenyl) dihydro-2,5-furandione with stearic acid and polyethylenepolyamines, (polyisobutenyl) dihydro-2,5-furandione, cyclic diamines, ethylenamines, pentaerythritol, 4-polybutenyl(C=20-2000)-2-aminophenol, maleinated polyisobutenyl succinic acid amine salts, polyolefin aminoester/salt, polyisobutenylsuccinic anhydride product with diethylethanolamine, polyisobutenylsuccinic anhydride, product with polyethyleneamines and boric acid, polyolefin amide alkeneamine, polyolefin aminoester , polyisobutenylsuccinic anhydride, product with polyethylenepolyamines and carbon disulfide, (polyisobutenyl) dihydro-2,5-furandione esters with pentaerythritol, (polyisobutenyl) dihydro-2,5-furandione pentaerythritol and polyethylenepolyamines, polyisobutenylsuccinic anhydride product with diethylethanolamine, polyisobutenylsuccinic anhydride, product with polyethylenepolyamines pibsa amines, polyisobutenyl glyoxylate amines, sorbitan mono oleate, sorbitan mono isosterate and sorbitan sesquioleate, and mixtures thereof.17. The composition of claim 3 wherein the emulsifier comprises di- and tri-ethanol amine, propanol amine, polypropylene glycols, in liquid sugar alcohols, alkali and alkaline earth metal, dodecylbenzene sulfonates, alkali metal laurlsulfonates, alkylaryl sulfonate lignosulfonate salt, starches, and combinations thereof.18. The composition of claim 4 wherein the alcohol comprises polyol, ethylene glycol, propylene glycol, methanol, ethanol, glycerols and combinations thereof and wherein the alcohol is present in the range of about 0% to about 30% by weight of the emulsified composition.19. The composition of claim 3 used as an emulsified grease.