POLYISOBUTENYL SULFONATES HAVING LOW POLYDISPERSITY

The present invention provides for polyisobutenyl sulfonates, methods for preparing them, and composition employing them; wherein said polyisobutenyl sulfonates have improved low temperature and high temperature viscometric properties. The polyisobutenyl sulfonates are prepared by sulfonating polyisobutene and reacting the polyisobutenyl sulfonate with an alkali metal or alkaline earth metal, wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene, a number average molecular weight of about 350 to 5,000, and a ratio of weight average molecular weight to number average molecular weight M/Mof from about 1.01 to about 1.4. 121.-. (canceled)22. A method of making a polyisobutenyl sulfonate-containing lubricating oil composition , the method comprising admixing an oil of lubricating viscosity with a polyisobutenyl sulfonate prepared by sulfonating polyisobutene and reacting the resulting polyisobutenyl sulfonic acid with a source of an alkali metal or alkaline earth metal , wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene , a number average molecular weight of about 350 to 5 ,000 , and a ratio of weight average molecular weight to number average molecular weight M/Mof from about 1.01 to about 1.4.23. The method of claim 22 , wherein the polyisobutene is derived from a cationic quasi-living polymerization reaction.24. The product prepared by the method of .25. The product prepared by the method of .26. A polyisobutenyl sulfonic acid composition obtained by reacting a polyisobutene characterized by having at least 90 mole percent methyl-vinylidene claim 22 , a number average molecular weight of about 350 to 5 claim 22 ,000 claim 22 , and a ratio of weight average molecular weight to number average molecular weight M/Mof less than about 1.4; with a sulfonating agent.27. The composition of claim 26 , wherein the polyisobutene is derived from a quasi-living polymerization reaction which has ...

Lubricant and Functional Fluid Compositions Containing Viscosity Index Improver

The disclosed invention relates to lubricant or functional fluid compositions containing viscosity index improvers in the form of self-healing polymers. The polymers may comprise one or more cleavable linkages, such as one or more disulfide bonds and/or one or more diene/dienophile linkages, to permit the polymer to reform if cleaved during use. 1. A lubricant or functional fluid composition , comprising:an oil of lubricating viscosity; anda viscosity index improving amount of a self-healing polymer, the self-healing polymer comprising one or more linkages which permit the polymer to reform if cleaved during use, wherein the one or more linkages comprise one or more disulfide bonds.23.-. (canceled)4. The composition of wherein the one or more linkages comprise at least one disulfide bond and at least one diene/dienophile linkage.5. The composition of wherein the composition further comprises an overbased metal-containing detergent.6. The composition of wherein the composition further comprises a dispersant.7. The composition of wherein the composition further comprises an antiwear agent.8. The composition of wherein the composition further comprises an antioxidant.9. The composition of wherein the composition further comprises a friction modifier.10. The composition of wherein the composition further comprises a pourpoint dispersant.11. The composition of wherein the composition further comprises an anti-foam agent.12. The composition of wherein the composition further comprises one or more of phosphorus acids claim 1 , phosphorus acid salts claim 1 , phosphorus acid esters claim 1 , derivative of one or more thereof claim 1 , or a mixture of two or more thereof.13. The composition of wherein the composition further comprises one or more metal deactivators claim 1 , supplemental viscosity modifiers claim 1 , supplemental detergents claim 1 , corrosion inhibitors claim 1 , supplemental dispersant viscosity modifiers claim 1 , extreme pressure agents claim 1 , ...

Composition Containing a Block Copolymer and a Method of Lubricating an Internal Combustion Engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer. The block copolymer may contain (a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein at least 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, and up to 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, with the proviso that alkyl groups of the Calkyl (meth)acrylic units have an average total number of carbon atoms of at least 8; and (b) a second block having (meth)acrylic units further having a heteroatom-containing group providing a polar group. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the block copolymer as an emulsifier and/or pour point depressant. 128-. (canceled)29. A method of operating an internal combustion engine of a vehicle fueled with a mixed gasoline/alcohol fuel , comprising supplying to the engine a lubricating composition comprising an oil of lubricating viscosity and a block copolymer having emulsifier properties , wherein the block copolymer comprises a diblock comprising:{'sub': 1-30', '1-30', '12-18', '1-30, '(a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein the Calkyl (meth)acrylic units comprise Calkyl methacrylic units, with the proviso that alkyl groups of the Calkyl methacrylic units have an average total number of carbon atoms of at least 8; and'}{'sub': '12-18', '(b) a second block having Calkyl methacrylic units which further have a non-carbonyl heteroatom-containing group providing a polar group to such units, the heteroatom-containing group derived from a nitrogen-containing group, whereby said second block exhibits greater hydrophilicity than does the hydrophobic first block,'}wherein the mixed gasoline/alcohol fuel contains from 5 wt % to 85 wt % alcohol.30. The method of claim 29 , ...

LUBRICANT COMPOSITION

Provided is a lubricant composition that, even when the viscosity thereof has decreased, can suppress abrasion of bearings, etc. and scoring of gear tooth surfaces, etc. A lubricant composition that contains a lubricant base oil and a sulfur-based extreme pressure agent. The lubricant composition is characterized in that the amount of active sulfur in the extreme pressure agent is 5-30 mass % and in that the extreme pressure agent content of the lubricant composition is 5-15 mass % with respect to the mass of the whole composition. 1. A lubricant composition comprising a lubricant base oil and a sulfur-based extreme pressure agent , wherein the amount of active sulfur in the extreme pressure agent is from 5% to 30% by weight , and the content of the extreme pressure agent in the composition is from 5% to 15% by weight based on the total weight of the lubricant composition.2. The lubricant composition according to claim 1 , wherein the sulfur-based extreme pressure agent is a sulfurized olefin.3. The lubricant composition according to claim 1 , wherein the lubricant composition has a kinetic viscosity at 100° C. of 5 to 15 mm/s.4. The lubricant composition according to claim 1 , wherein at least a part of the lubricant base oil is a Fischer-Tropsch-derived base oil.5. The lubricant composition according to claim 1 , wherein at least a part of the lubricant base oil is a poly-α-olefin (PAO) base oil.6. The lubricant composition according to claim 1 , wherein the lubricant base oil has a kinetic viscosity at 100° C. of 5 to 15 mm/s.7. The lubricant composition according to claim 1 , which is used for transmissions.8. The lubricant composition according to claim 1 , which is used for differential gears.9. The lubricant composition according to claim 2 , wherein the lubricant composition has a kinetic viscosity at 100° C. of 5 to 15 mm/s.10. The lubricant composition according to claim 2 , wherein at least a part of the lubricant base oil is a Fischer-Tropsch-derived ...

Lubricant composition

Disclosed herein is a process for lubricating an internal combustion engine with a lubricant composition that may be substantially ash free. The ashless lubricant composition described herein may comprise primary antioxidants, such as aminic diphenyl amines, alkylated phenyl-naphthyl amines, and phenolic antioxidants. The ashless lubricant composition described herein may also comprise sulfur containing products that may work as secondary antioxidants. Other components such as ashless antiwear components, dispersants, pour point depressants, friction modifiers, and metal deactivators may also be used to formulate an ashless lubricant composition according to an embodiment.

LUBRICATING OIL COMPOSITION

Disclosed is a lubricating oil composition capable of having a good balance of electrical insulation, seizure resistance and wear resistance. In particular, the lubricating oil composition comprises: (A) a lubricant base oil; (B) an alkaline earth metal detergent; (C) a triazole-based compound represented by the following general formula (1) or (2): 2. The lubricating oil composition according to claim 1 , whereinthe content of the (B) alkaline earth metal detergent is 80 mass ppm or more and 300 mass ppm or less as the amount of alkaline earth metal, on the basis of the total amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein the (B) alkaline earth metal detergent is an alkaline earth metal sulfonate.4. The lubricating oil composition according to claim 1 , wherein the total base number of the (B) alkaline earth metal detergent is 100 mg KOH/g or more and 500 mg KOH/g or less.5. The lubricating oil composition according to claim 1 , wherein the content of the (C) triazole-based compound is 0.03% or more by mass and 0.20% or less by mass on the basis of the total amount of the lubricating oil composition.6. The lubricating oil composition according to claim 1 , wherein the content of the (D) sulfur-containing compound is 300 ppm or more by mass and 2000 ppm or less by mass as the sulfur amount claim 1 , on the basis of the total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , wherein the (D) sulfur-containing heterocyclic ether compound is a sulfolan-based compound.8. The lubricating oil composition according claim 1 , wherein the (D) sulfide compound is represented by the following general formula (15):{'br': None, 'sup': 27', '28, 'R—S—R\u2003\u2003(15)'}{'sup': 27', '28', '27', '28, 'wherein Rand Rare each independently a substituted or unsubstituted hydrocarbon group having 2 to 20 carbons, and at least one of Rand Rhas a hydroxy group and/or a carboxyl ...

POLYMERS AND LUBRICATING COMPOSITIONS CONTAINING POLYMERS

A polymer having the structure (I): 3. A polymer according to claim 2 , wherein each X is COOR claim 2 , where each Ris a straight-chain or branched alkyl group.4. A polymer according to claim 2 , wherein each X is COOR claim 2 , where each Ris a polyalkylene glycol residue of the formula —[(CRH)O]ORwhere y is an integer from 2 to 4 claim 2 , and z is from 2 to 100 claim 2 , Ris hydrogen or an alkyl claim 2 , and is hydrogen claim 2 , an alkyl group or an aryl group.6. A polymer according to claim 5 , wherein each X claim 5 , X. . . Xis COOR claim 5 , where in each instance n claim 5 , Ris a straight-chain or branched alkyl group.7. A polymer according to claim 5 , wherein each X claim 5 , X. . . Xis COOR claim 5 , where in each instance n claim 5 , each Ris a polyalkylene glycol residue of the formula —[(CRH)O]ORwhere y is an integer from 2 to 4 claim 5 , and z is from 2 to 100 claim 5 , Ris hydrogen or an alkyl group claim 5 , and Ris hydrogen claim 5 , an alkyl group or an aryl group.8. A polymer according to claim 5 , wherein each X claim 5 , X. . . Xis COORand n is at least 2; wherein in at least one instance n claim 5 , Ris a straight-chain or branched alkyl group; and wherein in at least one other instance n claim 5 , Ris a polyalkylene glycol residue of the formula —[(CRH)O]ORwhere y is an integer from 2 to 4 claim 5 , and z is from 2 to 100 claim 5 , Ris hydrogen or an alkyl group claim 5 , and Ris hydrogen claim 5 , an alkyl group or an aryl group.9. A polymer according to claim 2 , wherein each Ris hydrogen.10. A polymer according to claim 5 , wherein each X claim 5 , X. . . Xis COORand n is 2; wherein in one instance n claim 5 , Ris a branched alkyl group and in the other instance n claim 5 , Ris a polyalkylene glycol residue of the formula —[(CRH)O]ORwhere y is an integer from 2 to 4 claim 5 , and z is from 2 to 100 claim 5 , Ris hydrogen or an alkyl group claim 5 , and Ris hydrogen claim 5 , an alkyl group or an aryl group.11. A polymer according to ...

LUBRICANT COMPOSITION

An antioxidant package composition including a combination of: (i) at least one aromatic amine, and (ii) at least one polyether sulphide; a lubricant composition including: (a) the above antioxidant package and (b) at least one base oil; a process for preparing the antioxidant package; and a process for preparing the lubricant composition. 1. An antioxidant package composition comprising a combination of: (i) at least one aromatic amine , and (ii) at least one polyether sulphide.2. The antioxidant composition of claim 1 , wherein the aromatic amine is an alkylated diphenylamine.3. The antioxidant composition of claim 1 , wherein the aromatic amine is a butylated/octylated diphenylamine.4. The antioxidant composition of claim 1 , wherein the polyether sulphide is derived from an alkoxylate derivative of thiodiglycol.5. The antioxidant composition of claim 1 , wherein the polyether sulphide is derived from a propoxylate derivative of thiodiglycol.6. The antioxidant composition of claim 1 , wherein the polyether sulphide is derived from a butoxylate derivative of thiodiglycol.7. The antioxidant composition of claim 1 , wherein the concentration of the aromatic amine in the antioxidant package composition is from about 2 weight percent to about 50 weight percent.8. The antioxidant composition of claim 1 , wherein the concentration of the aromatic amine in the antioxidant package composition is from about 2 weight percent to about 10 weight percent.9. The antioxidant composition of claim 1 , wherein the concentration of the polyether sulphide in the antioxidant package composition is from about 50 weight percent to about 98 weight percent.10. The antioxidant composition of claim 1 , wherein the concentration of the polyether sulphide in the antioxidant package composition is from about 90 weight percent to about 98 weight percent.11. The antioxidant composition of claim 1 , wherein the concentration of the polyether sulphide in the antioxidant package composition is from ...

LUBRICANT OIL COMPOSITION AND METHOD FOR MANUFACTURING SAME

To provide a lubricating oil composition that has good detergency irrespective of the small sulfated ash content thereof, and has a good friction reducing capability even after the deterioration thereof. The lubricating oil composition contains a base oil (A), a non-metal-containing sulfur antioxidant (B), and a hindered amine antioxidant (C) having one piperidine-derived skeleton in a molecule, and has a content of the non-metal-containing sulfur antioxidant (B) as converted in terms of sulfur atom of 800 ppm by mass or more based on the total amount of the lubricating oil composition, a content of the hindered amine antioxidant (C) as converted in terms of nitrogen atom of 100 ppm by mass or more and 400 ppm by mass or less based on the total amount of the lubricating oil composition, a sulfated ash content of 0.70% by mass or less, and a total base number of 4.0 mgKOH/g or more. 1. A lubricating oil composition , comprising:(A) a base oil (A);(B) a non-metal-containing sulfur antioxidant (B); and(C) a hindered amine antioxidant (C) having one piperidine-derived skeleton in a molecule,wherein:a content of the non-metal-containing sulfur antioxidant (B) as converted in terms of sulfur atom of 800 ppm by mass or more based on the total amount of the lubricating oil composition;a content of the hindered amine antioxidant (C) as converted in terms of nitrogen atom of 100 ppm by mass or more and 400 ppm by mass or less based on the total amount of the lubricating oil composition;a sulfated ash content of 0.70% by mass or less; anda total base number of 4.0 mgKOH/g or more.2. The lubricating oil composition according to claim 1 , wherein the non-metal-containing sulfur antioxidant (B) is at least one selected from the group consisting of a thiocarbamate compound claim 1 , a thiadiazole compound claim 1 , a polysulfide compound claim 1 , and a sulfurized fat or fatty oil.3. The lubricating oil composition according to claim 1 , wherein the content of the non-metal- ...

Process for the Preparation of Polyurea-Thickened Lignin Derivative-Based Lubricating Greases, Such Lubricant Greases and Use Thereof

The invention relates to a method for preparing lignin derivative-based lubricating greases thickened by a polyurea thickener, lubricating greases thus prepared, and the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed roller bearings. 2. The method according to claim 1 , in which the lignin derivative in the first and/or second base oil is subjected to an elevated temperature greater than 120° C. claim 1 , preferably greater than 170° C. and with particular preference greater than 180° C. claim 1 , in particular for at least 30 minutes in each case.3. The method according to or claim 1 , in which the heating to produce a base grease containing at least polyurea thickener comprises heating to a temperature greater than 170° C. and preferably greater than 180° C. claim 1 , in particular for at least 30 minutes in each case.4. The method according to at least one of the preceding claims claim 1 , in which the second base oil is chemically the same or chemically different from the second base oil.5. The method according to at least one of the preceding claims claim 1 , in which the lignin derivative in the second base oil is subjected to the increased temperature separately from the base grease claim 1 , and the composition comprising a second base oil and lignin derivative is added to the base grease during cooling or after cooling the base grease claim 1 , in particular at temperatures below 120° C. claim 1 , preferably below 100° C. and with particular preference below 80° C.6. The method according to at least one of the to claim 1 , in which the lignin derivative is added prior to or during the conversion of the amine component with the isocyanate component claim 1 , preferably prior to heating to 120° C. claim 1 , and is subjected to the step of heating in the at least first base oil.7. The method according to at least one of the to claim 1 , in which the lignin derivative is added after bringing together the ...

DISPERSANT VISCOSITY MODIFIERS WITH SULFONATE FUNCTIONALITY

A lubricating composition includes an oil of lubricating viscosity and an oil-soluble dispersant viscosity modifier, which includes an olefin-based polymer backbone and at least one pendent functional group. Each of the at least one pendent functional group is independently attached to the olefin-based polymer backbone by a linking group. The at least one pendent functional group includes a sulfonate moiety. 2. (canceled)3. (canceled)4. The lubricating composition of claim 1 , wherein the at least one pendent functional group is derived from a cyclic sulfonic acid ester.5. The lubricating composition of claim 1 , wherein the at least one pendent functional group is derived from a sulfonated hydrocarbyl compound of the general form:{'br': None, 'sub': '3', 'B-A-SOM'}where A represents a hydrocarbyl group, B represents a functional group capable of reaction with the linking group or with an intermediate linker unit, and M represents a monovalent cation.6. (canceled)7. The lubricating composition of claim 1 , wherein the sulfonated hydrocarbyl compound is selected from the group consisting of 3-hydroxypropane-1-sulfonic acid claim 1 , 3-amino-1-propane sulfonic acid claim 1 , homocysteic acid claim 1 , 1 claim 1 ,3-propanesultone claim 1 , 1 claim 1 ,4-butanesultone claim 1 , p-aminobenzenesulfonic acid claim 1 , 7-amino-1 claim 1 ,3-naphthene disulfonic acid claim 1 , 8-(2-aminoethylamino)-1-naphthene sulfonic acid claim 1 , and mixtures thereof.8. The lubricating composition of claim 1 , wherein the sulfonate moiety is spaced from the olefin-based polymer backbone by a C-Chydrocarbyl group.9. (canceled)10. The lubricating composition of claim 1 , wherein at least some of the linking groups are derived from an ethylenically unsaturated carboxylic acid monomer.11. The lubricating composition of claim 10 , wherein the ethylenically unsaturated carboxylic acid monomer is selected from maleic anhydride claim 10 , maleic anhydrides claim 10 , chlormaleic anhydride claim 10 ...

Lubricant Composition

Lubricant compositions comprising a base oil, one or more antioxidants selected from a group consisting of N-α-naphthyl-N-phenylamine antioxidants and diphenylamine antioxidants; and one or more sulfur-containing additives exhibit outstanding oxidative stability and non-corrosion properties. The N-α-naphthyl-N-phenylamine antioxidants plus diphenylamine antioxidants in total may be present from about 0.2 wt % to about 0.8 wt %, based on the total weight of the lubricant composition. The sulfur provided by the sulfur-containing additives, in total, may be present from about 50 ppm to about 1000 ppm by weight, based on the total weight of the lubricant composition. 1. A lubricant composition comprisinga base oil,one or more antioxidants selected from a group consisting of N-a-naphthyl-N-phenylamine antioxidants and diphenylamine antioxidants; andone or more sulfur-containing additives.2. The lubricant composition according to claim 1 , wherein the N-α-naphthyl-N-phenylamine antioxidants plus diphenylamine antioxidants in total are present from about 0.2 wt % to about 0.8 wt % claim 1 , based on the total weight of the lubricant composition.3. The lubricant composition according to claim 1 , wherein a sulfur concentration provided by the sulfur-containing additives claim 1 , in total claim 1 , range from about 50 ppm to about 1000 ppm by weight claim 1 , based on the total weight of the lubricant composition.7. The lubricant composition according to claim 1 , wherein the sulfur-containing additives are selected from a group consisting of sulfur-containing hindered phenolic compounds claim 1 , sulfur-containing rust inhibitors claim 1 , sulfur-containing friction modifiers and sulfur-containing antiwear additives.8. The lubricant composition according to claim 1 , comprising one or more sulfur-containing additives selected from a group consisting of 2 claim 1 ,4-di-octylthiomethyl-6-tert-butylphenol claim 1 , 2 claim 1 ,4-di-octylthiomethyl-6-methylphenol claim 1 , 2 ...

PROCESS FOR FRICTION REDUCTION DURING ETHANOL TRANSPORT

This invention involves a process for reducing friction in ethanol during its transport through pipelines. This process involves combining ethanol with a polymer-based composition, characterised in that the polymer is obtained from at least 50 mol % of at least one monomer selected from the group comprising N-substituted acrylamides, N-substituted methacrylamides, N,N-substituted acrylamides, N,N-substituted methacrylamides, substituted acrylates and substituted methacrylates. 1. A process for reducing friction during ethanol transport through pipelines , the process comprising combining ethanol with a polymer-based composition comprising a polymer obtained from at least 50 mol % of at least one monomer selected from the group consisting of N-substituted acrylamides , N-substituted methacrylamides , N ,N-substituted acrylamides , N ,N-substituted methacrylamides , substituted acrylates and substituted methacrylates.2. The process according to claim 1 , wherein the polymer has a molecular weight ranging between 0.5 and 25 million g/mol.3. The process according to claim 1 , wherein the at least one monomer has a substituted chain containing at least 30 carbon atoms.4. The process according to claim 1 , wherein the N-substituted acrylamide monomers claim 1 , N-substituted methacrylamide monomers claim 1 , N claim 1 ,N-substituted acrylamide monomers and N claim 1 ,N-substituted methacrylamide monomers are selected from the group consisting of N-ethylacrylamide claim 1 , N-isopropylacrylamide claim 1 , N-tert-Butylacrylamide claim 1 , Diacetoneacrylamide claim 1 , N-hydroxyethylacrylamide claim 1 , N-hydroxymethylacrylamide claim 1 , N-alkyl acrylamide claim 1 , N-[Tris(hydroxymethyl)methyl]acrylamide claim 1 , N-acryloylmorpholine claim 1 , N claim 1 ,N-Dimethylacrylamide claim 1 , N claim 1 ,N-diethylacrylamide and N claim 1 ,N-dialkylacrylamide; alkyl representing an alkyl group comprising 3 to 22 carbon atoms.5. The process according to claim 1 , wherein the ...

Adducts of low molecular weight PIB with low polydispersity and high vinylidene content

A PIB derivative suitable for use as a fuel additive or lubricant additive prepared from a reactive low molecular weight polyisobutylene composition comprising at least 50 mol percent alpha vinylidene terminated polyisobutylene molecules, the composition having a polydispersity of no more than 1.5 and a number average molecular weight of at least 500 Daltons and no more than 1000 Daltons. The derivative is selected from the group consisting of: alkyl hydroxyaromatic compounds; alkyl alkoxy aromatic compounds; polyisobutenylsuccinic anhydrides; polyisobutenylsuccinimides; PIB-amine compounds; sulfurized PIB compounds; and Mannich condensation products of an alkylated hydroxyaromatic compound.

Viscosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Viscosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Sulfide adducts of high viscosity index polyalpha-olefins

Sulfur derivatives of unsaturated oligomers formed from alpha-olefins of 2 to 20 carbon atoms which oligomer has a branch ratio of less than 0.19. Such derivatives are useful as additives for lubricants.

Oil-soluble interpolymers of n-vinylthiopyrrolidones

Lubricant containing nitrogen-containing ester

A CARBOXY-CONTAINING INTERPOLYMER IN WHICH SOME OF THE CARBOXY RADICALS ARE ESTERIFIED AND THE REMAINING CARBOXY RADICALS ARE NEUTRALIZED BY REACTION WITH A POLYAMINO COMPOUND HAVING ONE PRIMARY OR SECONDARY AMINO GROUP IS USEFUL AS AN ADDITIVE IN LUBRICATING COMPOSITIONS AND FUELS. THE INTERPOLYMER IS ESPECIALLY EFFECTIVE TO IMPART DESIRABLE VISCOSITY CHARACTERISTICS AND ANTI-SLUDGE PROPERTIES TO A LUBRICATING OIL.

Oil-soluble interpolymers of n-vinylthiopyrrolidones

N-Vinylthiopyrrolidone, and its lower alkyl-substituted homologs, are interpolymerized with polymerizable alkyl (Cs or greater) carboxylates and (optionally) other oxygen-containing monomers to produce oil-soluble polymers. These polymers are useful in lubricating oils as viscosity index improvers, dispersants and oxidation inhibitors.

Visosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Sheared polymer blends and process for their preparation

A blend and a process for producing that blend in which a high ethylene content ethylene-propylene polymer and a lower ethylene content ethylene-propylene polymer are subjected to simultaneous blending and shearing to reduce their molecular weights and molecular weight distribution. The sheared blend of polymers can function as a shear stable dispersant viscosity index improver with improved lower temperature properties or the hydrocarbon base for multifunctional for viscosity index improvers, motor fuel additives or polymeric dispersants.

Viscosity index improver and dispersant useful in oil compositions

Copolymers of long-chained acrylic esters with sulfur containing acrylates

Viscosity index improver - dispersant additive useful in oil compositions

ABSTRACT OF THE DISCLOSURE Hydrocarbon polymers such as ethylene copo-lymers may be reacted with unsaturated nitrogen-contain-ing monomers or unsaturated carboxylic acids in the pre-sence of a free radical catalyst such as a peroxide or azo free radical initiator and a chain stopping agent, e.g. a mercaptan to inhibit excessive cross-linking and branching. The copolymer grafted directly with the ni-trogen-containing monomers may be utilized as an additive for oil and fuel compositions, particularly lubricating oil compositions as a V.I.-dispersant additive. The polymer reacted with carboxylic acid may be further re-acted with amines, polyols, amino-alcohols, etc. to also form a V.I.-dispersant additive.

Nitrogen containing dispersant-viscosity improvers

A composition comprising a hydrocarbon polymer having {overscore (M)} n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached thereto pendant groups A a and B b wherein each A is independently a member of the group of formula —Q—K k wherein each Q is independently an aliphatic or aromatic hydrocarbon group, each K is independently a member selected from the group consisting of amide groups, nitrile groups, ester groups and carboxylic acid groups, and each k is independently a number ranging from 1 to about 3, and when k≧2, groups —K on adjacent carbon atoms, taken together, may constitute a succinimide group, and a is 0 or a number ranging from 1 to about 50; and each B is independently a member of the group of formula: wherein each X is independently O, S, or NR b , each R b is independently H, NH 2 , hydrocarbyl, hydroxyhydrocarbyl, or aminohydrocarbyl, each s is independently 1 or 2, and each Z is independently a hydrocarbyl group, optionally substituted with one or more carboxylic acid groups or amide groups, each R a is independently an ethylene group, a propylene group, which groups optionally have hydrocarbyl or hydroxyhydrocarbyl substituents, or wherein J is H, SH, NH 2 , or OH, and tautomers thereof; and b is a number ranging from 1 to about 50 with the proviso that when X is O, then b ranges from 2 to about 50.

Multifunctional viscosity index modifier additives derived from polyamines containing one primary amino group and at least one secondary amino group

ABSTRACT OF THE DISCLOSURE An oil soluble composition of matter useful as a multifunctional viscosity improver additive for oleaginous composition comprising adduct of: (A) high molecular weight ethylene copolymer substituted carboxylic acid material comprising reaction product of (i) ethylene copolymer having a number average molecular weight of at least about 15,000, and (ii) mono-unsaturated carboxylic acid material; and (B) at least one polyamine containing one primary amino group and at least one, preferably from 1 to about 6, secondary amino group.

Dispersant viscosity modifiers containing aromatic amines

A method for lubricating a diesel engine equipped with an exhaust gas recirculation, comprising supplying thereto a composition comprising an oil of lubricating viscosity and the reaction product of a polymer comprising carboxylic acid functionality and having a number average molecular weight of greater than 5000 and an aromatic amine with at least one amino group capable of condensing with the carboxylic acid and at least one additional group comprising at least one nitrogen, oxygen or sulfur atom. The aromatic amine is selected from (i) nitro-substituted aniline, (ii) amines comprising two aromatic moieties linked by a -C(O)NR-, -C(O)-, -O-, -N=N-, OR -SO2- group, where R is hydrogen or hydrocarbyl, one of said aromatic moieties bearing said condensable amino group (iii) an aminoquinoline, (iv) an aminobenzimidazole, (v) an N, N-dialkylphenylenediamine, and (vi) a ring-substituted benzylamine. Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

Copolymers of unsaturated dicarboxylic acids or their anhydrides with oligoolefins having terminal vinyl groups and reaction products thereof with nucleophiles

본 발명은 작용기를 함유하고, (a) 1종 이상의 모노에틸렌계 불포화 C 4 ∼C 12 디카르복실산 또는 그 무수물 30 내지 70 mol%와 (b) 탄소 원자 수가 3 내지 14개이고, 85% 이상의 올리고머가 화학식 -CH=CH 2 의 비닐기를 말단에 가진 이성질체로서 존재하며 평균 분자량이 300 내지 10,000인 1종 이상의 1-올레핀 올리고머 30 내지 70 mol%로 이루어지는 것이 특징인 공중합체 I에 관한 것이다. The present invention contains a functional group, comprising: (a) 30 to 70 mol% of one or more monoethylenically unsaturated C 4 to C 12 dicarboxylic acids or anhydrides thereof, and (b) 3 to 14 carbon atoms, not less than 85% A copolymer I characterized in that the oligomer is present as an isomer having a vinyl group of the formula -CH = CH 2 at the end and consists of 30 to 70 mol% of one or more 1-olefin oligomers having an average molecular weight of 300 to 10,000. 공중합체 1의 NH, OH또는 SH 작용기가 있는 화합물과의 반응 생성물은 세척제 및 세정제 조성물의 분산제로서, 피혁 및 생가죽의 발수제로서, 미정제유와 정제된 광유의 유동 증진제 및 파라핀 분산제로서, 그리고 윤활유 및 연료 첨가제로서 적합하다. The reaction product of copolymer 1 with NH, OH or SH functional compounds is a dispersant for detergents and detergent compositions, as a water repellent for leather and rawhide, as a flow enhancer and paraffin dispersant for crude and refined mineral oils, and as a lubricant and It is suitable as a fuel additive.

Soot dispersants and lubricating oil compositions containing same

Linked aromatic compounds found to act as potent soot dispersants in lubricating oil compositions; lubricating oil compositions containing such soot dispersants and precursor compounds from which the soot dispersants are derived.

Procedimiento para preparar una composición de lubricante sólida

Procedimiento para preparar una composición de lubricante sólida para su utilización en composiciones de polvos metalúrgicos, que comprende las etapas siguientes: hacer reaccionar entre aproximadamente el 90% y aproximadamente el 99% en peso de un polialquilenglicol con entre aproximadamente el 10% y aproximadamente el 1% en peso de un reactivo funcionalizado durante un periodo comprendido entre aproximadamente 0, 5 y aproximadamente 15 horas a una temperatura comprendida entre aproximadamente 65 y aproximadamente 130 grados centígrados para formar un producto de reacción; y enfriar el producto de reacción para obtener un sólido.

Lubricating oil composition and its manufacturing method

Solid sheared polymer blends and process for their preparation

A blend and a process for producing that blend in which a high ethylene content ethylene-propylene polymer and a lower ethylene content ethylene-propylene polymer are subjected to simultaneous blending and shearing to reduce their molecular weights and molecular weight distribution and to yield a product that can be recovered as a solid using conventional plastic processing equipment. The sheared blend of polymers can function as a shear stable viscosity index improver with improved lower temperature properties.

Reaction products of copolymers containing carboxyl groups, processes for their preparation and their use as additives in lubricants and in fuels

Stable liquid suspension compositions

A stable liquid suspension composition comprising a liquid carrier, a solid fatty acid or a salt thereof, and a solid particulate is disclosed wherein said liquid carrier is selected from the group consisting of oils, olefins, terpenes, glycols, esters, ethers, alcohols, and combinations of any two or more thereof and said liquid carrier, solid fatty acid or salt thereof, and solid particulate are each present in said composition in a stabilizing amount sufficient to produce a stable liquid suspension. Also disclosed is a stable liquid composition comprising a liquid carrier, an oil-soluble polymer, and a solid particulate wherein said liquid carrier is selected from the group consisting of liquid alkenes, terpenes, esters, and combinations of any two or more thereof and said liquid carrier, oil-soluble polymer, and solid particulate are each present in said composition in a stabilizing amount sufficient to effect the formation of a stable liquid suspension.

Grafted viscosity index improver

Oil soluble grafted ethylene-alpha-olefin copolymer useful as a viscosity modifier for oleaginous compositions comprising: (i) backbone copolymer of ethylene and at least one other alpha-olefin monomer, said copolymer comprising intramolecularly heterogeneous copolymer chains containing at least one crystallizable segment of methylene units and at least one low crysallinity ethylene-alpha-olefin copolymer segment, wherein said at least one crystallizable segment comprises at least about 10 weight percent of said copolymer chain and contains at least about 57 weight percent ethylene, wherein said low crystallinity segment contains not greater than about 53 weight percent ethylene, and wherein said copolymer has a molecular weight distribution characterized by at least one of a ratio of M w /M n of less than 2 and a ratio of M w /M w of less than 1.8, and wherein at least two portions of an individual intramolecularly heterogeneous chain, each portion comprising at least 5 weight percent of said chain, differ in composition from one another by at least 7 weight percent ethylene; having grafted on said backbone copolymer (ii) residue of ethylenically unsaturated grafting material; said grafted ethylenealpha-olefin copolymer having substantially the molecular weight distribution, i.e., within about 10 percent, of said copolymer of ethylene. The preferred grafting material is an ethylenically monounsaturated carboxylic acid material having 1 to 2 carboxylic acid groups or an anhydride group.

润滑油组合物及其制造方法

本发明提供尽管硫酸灰分少清洁性也良好、且即使劣化后也具有良好的减摩擦作用的润滑油组合物。润滑油组合物，其含有基础油(A)、不含金属的硫系抗氧化剂(B)和分子内具有1个哌啶衍生骨架的受阻胺系抗氧化剂(C)，以上述润滑油组合物总量为基准，上述不含金属的硫系抗氧化剂(B)的以硫原子换算计的含量为800质量ppm以上，以上述润滑油组合物总量为基准，上述受阻胺系抗氧化剂(C)的以氮原子换算计的含量为100质量ppm以上400质量ppm以下，上述润滑油组合物的硫酸灰分为0.70质量%以下，上述润滑油组合物的总碱值为4.0mgKOH/g以上。

Viscosity index improver--dispersant additive useful in oil compositions

Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in the presence of a free radical catalyst such as a peroxide or azo free radical initiator and a chain stopping agent, e.g. a mercaptan to inhibit excessive cross-linking and branching. The copolymer grafted directly with the nitrogen-containing monomers may be utilized as an additive for oil and fuel compositions, particularly lubricating oil compositions as a V.I.-dispersant additive. The polymer reacted with carboxylic acid may be further reacted with amines, polyols, amino-alcohols, etc. to also form a V.I.-dispersant additive.

Dispersant viscosity modifier containing aromatic amine

Solid sheared polymer blends and process for their preparation

公开了一种共混物及其制备方法，其中对高乙烯 含量乙烯-丙烯聚合物和低乙烯含量乙烯-丙烯聚合 物同时共混合剪切，以降低其分子量和分子量分布。 这种方法采用常规塑料加工设备以固体形式得到产 物。剪切的聚合物共混物起着改进了低温性的剪切 稳定的粘定指数改进剂的作用。

Lubricating oil composition

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Method of preparing grafted copolymer and nitrogen containing grafted copolymer

FIELD: additives and general purpose oils in internal combustion engines. SUBSTANCE: claimed method comprises polymerizing one or more vinyl monomer(s) selected from acrylates, methacrylates, styrene derivatives, maleates, fumarates and functionalized maleic anhydride to form polymeric substrate followed by grafted polymerization of one or more nitrogen containing monomer capable of being polymerized onto polymeric substrate in the presence of free radical initiator capable of detaching hydrogen atom, polymerization being carried out to at least 91% conversion of monomer to polymer to obtain polymeric substrate, and one or more nitrogen containing monomer capable of being polymerized is selected from vinyl pyridines, vinyl pyrroles, vinyl indoles, vinyl quinolines, vinyl isoquinolines, vinyl acrydines, vinyl pyrazines, vinyl pyrimidines, vinyl pyridazines, vinyl imidazoles, vinyl thiazoles, acrylamides, methacrylamides, dimethyl aminoethyl methacrylates, dimethyl aminoethylycrylate, N-vinyl carbazole, N-vinyl succinimide, acrylonitrile, -0-, m- and p-aminostyrene, maleimide, N-vinyl oxazolidine, N, N-dimethylamino-ethyl vinyl ether, 2-ethyl-2-cyanocrylate, N-vinyl phthalimide, N-vinylbenzyl dimethylamine, N- methacryloxyethylphorpholine and N- dimethylaminopropylamine maleimide. EFFECT: more efficient preparation method. 17 cl, 1 tbl УУСС ПЧ ГЭ (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ” 2 113 444 Сл (51) МПК С 08 Е 265/04, С 10 М 149/12 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 4743898/04, 17.04.1990 (30) Приоритет: 18.04.1989 Ц$ 339574 (46) Дата публикации: 20.06.1998 (56) Ссылки: ЕР, 0123575, кл. С 10 М 1/32, 1984. (71) Заявитель: Ром энд Хаас Компани (1$) (72) Изобретатель: Джозеф Мартин Боллинджер (0$), Чанг-Ин Лаи (Ц$), Даниэль Маргосиан (0$), Энн Дениз Делион (ЕК) (73) Патентообладатель: Ром энд Хаас Компани (0$) (54) СПОСОБЫ ПОЛУЧЕНИЯ ПРИВИТОГО СОПОЛИМЕРА И АЗОТСОДЕРЖАЩИЙ ПРИВИТОЙ СОПОЛИМЕР (57) Реферат: ...

1*2*44thiazol polymer and lubricant containing it as additive

Lubricants containing graft copolymers and eg dispersants-viscosity improvers

Polymers and lubricating compositions containing polymers

A polymer having the structure (I):L is a linking group, R is a hydrocarbon group or a substituted-hydrocarbon group, and x is 2 or more, preferably from 2 to 100, more preferably from 2 to 50. Each {Q} is (a) an identical polymer block composed of 3 or more monomer units, or (b) contains a plurality of polymer blocks, each polymer block being composed of 3 or more monomer units, such that the moiety {Q}-L-{Q} has the structure {Pn . . . P2P1}-L-{P1P2 . . . Pn} where each Pn is an individual polymer block, the number of polymer blocks n in each {Q} being the same; wherein for each value of n the polymer blocks are identical; and wherein n is an integer of 2 or more, preferably from 2 to 100, more preferably from 2 to 50.

Biodegradable branched synthetic ester base stocks and lubricants formed thereof

一种由约60-99wt%的至少一种可生物降解的合成酯基本原料制备的可生物降解润滑剂，所述可生物降解的合成酯基本原料包括如下组分的反应产物：通式R(OH) n 的支化或线型醇，其中R为具有约2至20个碳原子的脂族或环脂族基团，n至少为2；和包括约30至80mol%的具有的碳原子数在约C 5 至C 12 之间的线型酸和约20至70mol%的至少一种具有的碳原子数在约C 5 至C 10 之间的支化酸的混合酸，且其中用于形成所述可生物降解合成酯基本原料的不大于10%的所述支化酸含有季碳原子；其中所述酯基本原料显示如下性能：由改进Sturm试验测量在28天内至少60%生物降解；倾点低于-25℃；在-25℃时的粘度低于7500cps；和通过HPDSC测定氧化稳定性高达45分钟。

Method of preparation of copolymer

FIELD: chemistry of polymers, more particularly hybrid copolymer as addition agent to oils. SUBSTANCE: present invention describes method of preparation of copolymer by polymerization of one or more vinyl monomers to form polymer substrate followed by graft polymerization of nitrogen-containing monomer to polymer substrate to obtain mixture of grafted copolymer and static nitrogen-containing copolymer. Vinyl monomer is selected from group consisting of acrylates, methacrylates, styrene and derivatives thereof, maleates, rumarates and functionalized maleic anhydride. EFFECT: more efficient preparation method. 13 cl, 2 tbl отб о0с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 091 404 ' 13) СЛ С 08 Е 265/04//(С 08 Е 265/04, 226:00, С 10 М 145/02) 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5001955/04, 06.11.1991 (30) Приоритет: 18.04.1989 Ц$ 339574 (46) Дата публикации: 27.09.1997 (56) Ссылки: Заявка ЕПВ М 0123575, кл. С10М 1/32, 1984. (61) Номер основного патента: 04743898/00-05 (17.04.90) (71) Заявитель: Ром энд Хаас Компани (1$) (72) Изобретатель: Боллинджер Джозеф Мартин[Ц$], Лаи Чанг-Ин[Ц$], Маргосиан Даниэль [Ц$], Делион Энн Дениз[ЕК] (73) Патентообладатель: Ром энд Хаас Компани (0$) (54) СПОСОБ ПОЛУЧЕНИЯ СОПОЛИМЕРА (57) Реферат: Использование: гибридный сополимер в качестве присадки к маслам. Сущность изобретения: способ получения сополимера путем полимеризации одного или более виниловых мономеров с образованием полимерной подложки с последующей прививочной полимеризацией азотсодержащего мономера на полимерную подложку до получения смеси привитого сополимера и остаточного азотсодержащего мономера, при этом к смеси привитого сополимера и остаточного азотсодержащего мономера или смеси названных мономеров добавляют один или более виниловых мономеров с последующей полимеризацией и получением гибридного сополимера азотсодержащего привитого сополимера и азотсодержащего статистического сополимера, при этом ...

Antiwear agent and lubricating compositions thereof

본 발명은 내마모제 및 이의 윤활 조성물에 관한 것이다. 본 발명은 추가로 내마모제를 함유하는 윤활 조성물을 사용해서 동력 전달 장치를 윤활시키는 방법 또는 그리스에의 적용방법을 제공한다. The present invention relates to a wear-resistant agent and its lubricating composition. The present invention further provides a method of lubricating a power transmission apparatus or a method of applying the same to a grease using a lubricating composition containing a wear resistance agent. 내마모제, 윤활조성물, 그리스 증점제, 인산 디에스테르, 아민염 Antiwear agents, lubricating compositions, grease thickeners, phosphoric acid diesters, amine salts

Transmission oil

FIELD: machine building. SUBSTANCE: invention relates to lubricant compositions intended for aircraft transmission units. Disclosed is a transmission oil containing aviation oil B-3V consisting of a concentrate of antioxidant additives in basic pentaerytherite oil HA-10 according to CS 002-2005, granulated mercaptobenzothiazole as antiscoring additive and pentaerythritol base oil as per CS 001-2005. Additionally, sulfur-containing additive is introduced in the form of reaction product at temperature of 210–215 °C castor oil with sulfur recrystallised from toluene. Ratio of components in transmission oil is as follows, wt%: sulfur-containing additive 15–30; oil B-3V up to 100. EFFECT: expansion of oil application temperature range from -59 to 200 °C while maintaining high viscosity and tribological characteristics. 1 cl, 2 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C10M 125/06 C10M 151/02 C10M 135/18 C10M 169/06 (11) (13) 2 702 651 C1 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 125/06 (2019.08); C10M 151/02 (2019.08); C10M 135/18 (2019.08); C10M 169/06 (2019.08) (21)(22) Заявка: 2019114313, 07.05.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 09.10.2019 (45) Опубликовано: 09.10.2019 Бюл. № 28 2 7 0 2 6 5 1 R U (54) ТРАНСМИССИОННОЕ МАСЛО (57) Реферат: Изобретение относится к области смазочных композиций, предназначенных для агрегатов трансмиссий авиационного транспорта. Предложено трансмиссионное масло, содержащее в своем составе масло авиационное Б-3В, состоящее из концентрата антиокислительных присадок в базовом пентаэритритовом масле НА10 по СТП 002-2005, меркаптобензтиазола гранулированного (каптакс) в качестве противозадирной присадки и пентаэритритового базового масла по СТП 001-2005. Дополнительно Стр.: 1 (56) Список документов, цитированных в отчете о поиске: ТУ 38.101295-85. Масло авиационное Б-3В. RU 2118983 C1, 20.09.1998. US ...

Polar graft polyolefins, method of preparation thereof, lube oil compositions containing them, and methods for preparing dispersing agent

Описывается привитой сополимер, полученный способом, включающим добавление азотистого, этиленово-ненасыщенного, алифатического или ароматического мономера, содержащего от 2 до 50 атомов углерода и инициатора к раствору полиолефина, содержащего основную цепь с прививаемой ненасыщенностью в растворителе, нагреваемом до температуры реакции, на что расходуется по существу весь инициатор за время, необходимое для реакции, причем растворитель представляет собой нефтяной масляный растворитель, содержащий менее чем около 9% по массе молекулярных ароматических примесей, в котором мономер и инициатор добавляют вместе или последовательно и инициатор добавляют к раствору со скоростью, составляющей по меньшей мере около 0,1% инициатора в минуту; с образованием привитого сополимера с величиной диспергируемости асфальтена по меньшей мере около 4. Также описаны составы смазочных масел, содержащие привитой сополимер, способы получения диспергирующей присадки. Использование привитого сополимера позволяет получать смазочное масло с индексом диспергируемости асфальтенов более 2 и диспергирующей присадки с улучшенным индексом вязкости. 9 с. и 26 з.п.ф-лы, 6 табл. ЭТУ ЕС ПЧ сэ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) 13) КО 2 184 746 ^С2 57 МК’ С 08 Е 255/00, 255/02, 257/02, 279/02, С 10 М 149/06, 149/10//(С 10 М 149/06, 143:00), С 10 М 30:04, 40:25 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 97107846/04, 20.10.1995 (24) Дата начала действия патента: 20.10.1995 (30) Приоритет: 21.10.1994 Ш$ 08/327,508 10.10.1995 Ц$ 08/541,832 (43) Дата публикации заявки: 27.04.1999 (46) Дата публикации: 10.07.2002 (71) Заявитель: КАСТРОЛ ЛИМИТЕД (СВ) (72) Изобретатель: БОДЕН Фредерик Дж. (ЦЗ), САУЭР Ричард П. (4$), ГОЛДЬЛАТТ Ирвин Л. (0$), МакхХЕНРИ Майкл Е. (ЦЗ) (73) Патентообладатель: КАСТРОЛ ЛИМИТЕД (СВ) (74) Патентный поверенный: (56) Ссылки: ЕР 0171167 АД, 12.02.1986. ЗЦ 969197 Высоцкая Нина Николаевна А, 23.10.1982. \!О 90/12046 АЛ, 18.10.1990. ЕК ...

Improved dispersant additives derived from amido-amines

내용없음 No content

Water-based hydraulic fluids

Substantially oil-free aqueous industrial fluids possess superior lubricating and wear preventing characteristics and are useful as hydraulic fluids and metalworking compositions. Fluids of the invention comprise (1) an aqueous liquid and (2) a water-soluble synthetic addition copolymer of (a) an ethylenically unsaturated crosslinking monomer, (b) an ethylenically unsaturated water-soluble monomer, and (c) an ethylenically unsaturated water-insoluble monomer. The industrial fluids exhibit good Newtonian behavior and mechanical stability at high shear.

COMPOUNDS FOR FLUOROPOLIRTEREI

Method of producing anti-tearing additive for heavily loaded friction assemblies

FIELD: technological processes.SUBSTANCE: invention relates to the field of tribology and specifically relates to a method of producing an anti-tearing additive containing fragments of double bonds CH=CH and thereby facilitating adhesion of the additive to friction surfaces. Method comprises reacting potassium sulphide obtained by dissolving sulphur in a hydrazine hydrate-KOH system at temperature of 55–60 °C and molar ratio KOH:S = 4:1, for 2 hours, with chlorlignin with content of chlorine of 2.4 or 3.4 wt% and vinylidene chloride at temperature 25 °C and molar ratio of sulphur:vinylidene chloride = 1:1, weight ratio of sulphur:chlorlignin = 1:2. After stirring for 5 hours, the product is separated by filtration, washed with water and ethanol.EFFECT: obtaining an additive providing protection against wear in heavily loaded friction assemblies.1 cl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 688 928 C1 (51) МПК C10M 151/00 (2006.01) C10M 159/02 (2006.01) C10M 177/00 (2006.01) C10M 107/36 (2006.01) C10M 135/00 (2006.01) C10M 125/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C08H 7/00 (2011.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C10N 40/00 (2006.01) C10N 30/06 (2006.01) (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 151/00 (2019.02); C10M 159/02 (2019.02); C10M 177/00 (2019.02); C10M 135/00 (2019.02) (21)(22) Заявка: 2018134826, 01.10.2018 01.10.2018 Дата регистрации: 23.05.2019 (45) Опубликовано: 23.05.2019 Бюл. № 15 2 6 8 8 9 2 8 R U (73) Патентообладатель(и): Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) (RU), Федеральное государственное бюджетное учреждение науки "Иркутский Институт химии им. А.Е. Фаворского" Сибирского отделения Российской академии наук (ИрИХ СО РАН) (RU) (56) Список документов, цитированных в отчете о поиске: RU 2439138 C2, 10.01.2012. RU 2318013 C1, 27.02.2008. RU 2552997 C1, 10.06.2015. Леванова Е.П. и др. Реакции дихлорэтенов с серой в ...

Viscosity stable multifunctional viscosity index modifier additives derived from amido amines

ABSTRACT OF THE DISCLOSURE The present invention is directed to a composition of matter useful as a multifunctional viscosity improver-dispersant for oleaginous compositions, particularly lubricating oil compositions, comprising at least one adduct or reaction product of (A) ethylene copolymer, preferably ethylene propylene copolymer of at least 15,000 number average molecular weight grafted with monounsaturated mono- or dicarboxylic acid material; (B) amido-amine or thioamido-amine comprising reaction product of at least one amine, preferably polyamine, and an alpha, beta-unsaturated compound represented by the formula wherein X is sulfur or oxygen, Y is -OR4, -SR4, or

Oil soluble polyalkylene glycols

Case 7739(2) ABSTRACT OF THE DISCLOSURE OIL-SOLUBLE POLYALKYLENE GLYCOLS A sequential block copolymer containing: (i) a moiety R1X derived from a starter molecule having at least one active hydrogen wherein R1 is either an alkyl or alkaryl group having from 1 to 30 carbon atoms, X is O,S or N, (ii) a polymeric block derived from at least one alkylene oxide of formula CxH2xO wherein x is an integer from 2 to 4, and at least 50 mole % of said polymeric block is derived from an alkylene oxide where x is 3 or 4, and (iii) a polymeric block derived from at least one alkylene oxide of formula CyH2yO wherein y is an integer in the range from 6 to characterised in that the sequential block copolymer has the formula: R1X-[(CyH2yO)m - (CxH2xO)n - H]q (I) wherein R1, X, y and x are as defined above, q is 1 when X is O or S, q is 2 when X is N; and m and n are such that the molecular weight is in the range from 600 to 4000 and the (CyH2yO) polymeric block (ii) derived from the alkylene oxide of formula CyH2yO forms from 1 to 40% by weight of the copolymer and the polymeric block derived from the alkylene oxide of formula CyH2yO constitutes the first polymeric block of the sequential block copolymer and is linked directly to the moiety R1Xis described. The alkylene oxide CxH2xO is preferably propylene oxide. The copolymer can be prepared by a two step process in which a starter molecule R1X(R2)q is reacted with CyH2yO to give an intermediate product which is then reacted with CxH2xO.

Dispersant viscosity modifiers containing aromatic amines

A method for lubricating a diesel engine equipped with an exhaust gas recirculation, comprising supplying thereto a composition comprising an oil of lubricating viscosity and the reaction product of a polymer comprising carboxylic acid functionality and having a number average molecular weight of greater than 5000 and an aromatic amine with at least one amino group capable of condensing with the carboxylic acid and at least one additional group comprising at least one nitrogen, oxygen or sulfur atom. The aromatic amine is selected from (i) nitro-substituted aniline, (ii) amines comprising two aromatic moieties linked by a -C(O)NR-, -C(O)-, -O-, -N=N-, OR -SO2- group, where R is hydrogen or hydrocarbyl, one of said aromatic moieties bearing said condensable amino group (iii) an aminoquinoline, (iv) an aminobenzimidazole, (v) an N, N-dialkylphenylenediamine, and (vi) a ring-substituted benzylamine. Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

LUBRICANT METAL WORKING COMPOSITION CONTAINING A WATER SOLUBLE POLYMERIC ACRYLAMIDE COMPOUND

L'INVENTION A POUR OBJET UNE COMPOSITION A BASE D'HUILE POUR LE TRAVAIL DE METAUX. SES INGREDIENTS ESSENTIELS SONT: (A) AU MOINS UN COMPOSANT HUILE LUBRIFIANTE CHOISI PARMI LES HUILES, GRAISSES, HUILES MINERALES ET ESTERS D'ACIDES GRAS; ET (B) AU MOINS UN COMPOSE POLYMERE HYDROSOLUBLE CHOISI PARMI LES HOMOPOLYMERES ET COPOLYMERES D'AMIDE ACRYLIQUE ET LES SELS DE CES HOMOPOLYMERES ET COPOLYMERES, LES POIDS MOLECULAIRES DE CES POLYMERES, COPOLYMERES ET SELS ETANT DE 1000 A 10000000. THE SUBJECT OF THE INVENTION IS AN OIL-BASED COMPOSITION FOR WORKING METALS. ITS ESSENTIAL INGREDIENTS ARE: (A) AT LEAST ONE LUBRICATING OIL COMPONENT CHOSEN FROM OILS, FATS, MINERAL OILS AND FATTY ACID ESTERS; AND (B) AT LEAST ONE WATER-SOLUBLE POLYMERIC COMPOUND CHOSEN FROM ACRYLIC AMID HOMOPOLYMERS AND COPOLYMERS AND THE SALTS OF THESE HOMOPOLYMERS AND COPOLYMERS, THE MOLECULAR WEIGHTS OF THESE POLYMERS, COPOLYMERS AND ETANTELS FROM 1000 TO 10,000,000 AND TO 10,000,000.

Use of a biodegradable branched synthetic ester base stock in a two-cycle engine oil to reduce production of smoke in two-cycle air-cooled engines.

Patent FR2396037A1

L'invention concerne le domaine des additifs pour lubrifiants. L'additif selon l'invention est un polymère du 1,2,4-thiadiazole. Les lubrifiants contenant l'additif selon l'invention sont utilisables comme lubrifiants d'extrême pression. The invention relates to the field of additives for lubricants. The additive according to the invention is a polymer of 1,2,4-thiadiazole. The lubricants containing the additive according to the invention can be used as extreme pressure lubricants.

ISOTROPIC VISCOELASTIC MATERIALS BASED ON WATER, FLUORINATED SURFACTANTS AND FLUORINATED OILS, THEIR PROCESS FOR OBTAINING AND THEIR APPLICATIONS IN VARIOUS AREAS, SUCH AS OPTICS, PHARMACOLOGY AND ELECTRODYNAMICS

METHOD OF REDUCING FRICTION IN THE TRANSPORT OF ETHANOL

Improved process for manufacturing sulfurized hydrocarbons

LUBRICANT COMPOSITIONS CONTAINING AN ALKYLENE OXIDE POLYMER AND SULFUR OR A MATERIAL CONTAINING SULFUR

Advanced additives for lubricating oils.

Solid Sheared Polymer Mixtures and Their Production Processes

통상의 플라스틱 제조장비를 이용하여 고형물로써 회수되는 산물을 생산하기 위해 그리고 분자량과 분자량 분포를 감소시키기 위해 동시에 혼합과 전단시키는 에틸렌 함량이 높은 에틸렌-프로필 중합물과 에틸렌 함량이 낮은 에틸렌-프로필렌 중합물의 혼합물을 만드는 공정과 그 혼합물에 관계한다. 중합물의 전단된 혼합물은 개량된 낮은 온도 특징이 있는 전단 안정성 점성지수 개선물질의 기능을 한다.

Composition containing a block copolymer and a method of lubricating an internal combustion engine

本发明提供一种含具有具有润滑粘度的油和嵌段共聚物的润滑组合物。嵌段共聚物可含有(a)具有C 1-30 烷基(甲基)丙烯酸单元的疏水第一嵌段，其中至少50重量％的C 1-30 烷基(甲基)丙烯酸单元为C 12-15 烷基(甲基)丙烯酸单元，且至多50重量％的C 1-30 烷基(甲基)丙烯酸单元为C 16-20 烷基(甲基)丙烯酸单元，条件是C 1-30 烷基(甲基)丙烯酸单元的烷基具有至少8的平均总碳原子数；和(b)具有进一步具有提供极性基团的含杂原子的基团的(甲基)丙烯酸单元的第二嵌段。本发明进一步涉及一种通过用润滑组合物润滑发动机的润滑内燃机的方法。本发明进一步涉及嵌段共聚物作为乳化剂和/或倾点下降剂的用途。

Patent FR2579986A1

HUILE DE LAMINAGE A FROID POUR ACIERS CARACTERISEE PAR LE FAIT QU'ELLE COMPREND A 40 A 90 EN POIDS D'UN MONOESTER D'UN ACIDE CARBOXYLIQUE ALIPHATIQUE AYANT 12 A 22 ATOMES DE CARBONE ET D'UN ALCOOL ALIPHATIQUE AYANT 1 A 12 ATOMES DE CARBONE, B 0,5 A 10 EN POIDS D'AU MOINS UN COMPOSE CHOISI PARMI UN ACIDE DIMERE ET UN ACIDE POLYMERISE DERIVE D'UN ACIDE INSATURE ALIPHATIQUE SUPERIEUR AYANT 16 A 20 ATOMES DE CARBONE, C 2 A 40 EN POIDS D'UN POLYESTER AYANT UN POIDS MOLECULAIRE DE 750 A 7500 ET OBTENU EN SOUMETTANT AU MOINS UN COMPOSE CHOISI PARMI UN ACIDE DIMERE ET UN ACIDE POLYMERISE DERIVE D'UN ACIDE INSATURE ALIPHATIQUE SUPERIEUR AYANT 16 A 20 ATOMES DE CARBONE A UNE CONDENSATION AVEC UN POLYOL DANS DES CONDITIONS DE CHAUFFAGE ET EN FAISANT REAGIR LES GROUPES CARBOXYLE OU LES GROUPES HYDROXYLE RESTANTS DU POLYESTER RESULTANT AVEC UN ALCOOL AYANT 1 A 22 ATOMES DE CARBONE OU UN ACIDE ALIPHATIQUE AYANT 12 A 22 ATOMES DE CARBONE, OU 10 A 25 EN POIDS D'UNE GRAISSE OU D'UNE HUILE GRASSE, ET D 0,1 A 10 EN POIDS D'UN COMPOSE POLYMERE AYANT DES ATOMES D'AZOTE DANS UNE MOLECULE AYANT UN POIDS MOLECULAIRE DE 1000 A 1000000. COLD ROLLING OIL FOR STEELS CHARACTERIZED IN THAT IT COMPRISES 40 TO 90 BY WEIGHT OF A MONOESTER OF AN ALIPHATIC CARBOXYLIC ACID HAVING 12 TO 22 CARBON ATOMS AND OF AN ALIPHATIC ALCOHOL HAVING 1 TO 12 ATOMS CARBON, B 0.5 TO 10 BY WEIGHT OF AT LEAST ONE SELECTED COMPOUND AMONG A DIMERED ACID AND A POLYMERIZED ACID DERIVED FROM A SUPERIOR ALIPHATIC UNSATURATED ACID HAVING 16 TO 20 CARBON ATOMS, C 2 TO 40 BY WEIGHT POLYESTER HAVING A MOLECULAR WEIGHT OF 750 TO 7500 AND OBTAINED BY SUBMITTING AT LEAST ONE SELECTED COMPOUND AMONG DIMER ACID AND A POLYMERIZED ACID DERIVED FROM A HIGHER ALIPHATIC UNSATURATED ACID HAVING 16 TO 20 CARBON ATOMS IN CONDENSATION WITH POLYOLS HEATING AND REACTING CARBOXYL GROUPS OR REMAINING HYDROXYL GROUPS OF THE POLYESTER RESULTING WITH AN ALCOHOL HAVING 1 TO 22 CARBON ATOMS OR AN ...

Patent FR2579986B1

IMPROVEMENTS ON A METAL-WORKING OIL COMPOSITION CONTAINING A CATIONIC OR AMPHOTERIC WATER-SOLUBLE POLYMER

Patent FR2536086A1

L'INVENTION A POUR OBJET UNE COMPOSITION LUBRIFIANTE HYDROSOLUBLE POUR LE TRAVAIL DES METAUX. ELLE COMPREND UN COMPOSE POLYMERE HYDROSOLUBLE DONT L'ANION COMPLEMENTAIRE EST UN COMPOSE ACIDE CONTENANT DU PHOSPHORE OU L'ACIDE BORIQUE; LE COMPOSE POLYMERE HYDROSOLUBLE EST CHOISI PARMI LES POLYMERES D'ADDITION CATIONIQUES OU AMPHOTERES, LES POLYMERES PAR OUVERTURE DE CYCLE, LES PRODUITS DE POLYCONDENSATION ET LES SELS OU SELS D'AMMONIUM QUATERNAIRE DES DERIVES POLYMERES NATURELS, AYANT AU MOINS UN ATOME D'AZOTE BASIQUE OU CATIONIQUE DANS LEUR MOLECULE ET DONT LE POIDS MOLECULAIRE EST DE 1000 A 10000000. THE OBJECT OF THE INVENTION IS A HYDROSOLUBLE LUBRICATING COMPOSITION FOR WORKING METALS. IT CONTAINS A HYDROSOLUBLE POLYMERIC COMPOUND OF WHICH THE COMPLEMENTARY ANION IS AN ACID COMPOUND CONTAINING PHOSPHORUS OR BORIC ACID; THE WATER-SOLUBLE POLYMER COMPOUND IS CHOSEN FROM CATIONIC OR AMPHOTERIC ADDITIONAL POLYMERS, CYCLE-OPENING POLYMERS, POLYCONDENSATION PRODUCTS AND SALTS OR SALTS OF QUATERNARY AMMONIUM OF POLYMERIC DERIVATIVES OF NATURAL BASE UNAZURAL AERIVES OR CATIONIC IN THEIR MOLECULE AND WHICH THE MOLECULAR WEIGHT IS FROM 1000 TO 10000000.

Composition of hydrocarbon oils

Advanced lubricating oil additives

LUBRICANT

Patent FR1581386A

DISPERSIONS OF HALIDES OF RARE EARTHS IN OILY ENVIRONMENTS

La présente invention a pour objet des dispersions d'halogénures de terres rares, en milieu huileux et leur procédé de préparation. Les dispersions d'halogénures de terres rares en milieu huileux de l'invention, sont caractérisées par le fait qu'elles comprennent au moins un halogénure de terre rare, une base d'huile et au moins un agent tensio-actif comportant une partie hydrophobe et une partie hydrophile constituée par des motifs d'oxyde d'éthylène et/ou d'oxyde de propylène et, éventuellement, un groupe fonctionnel hydrophile.

Viscosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Graft copolymers

Lubricating composition

LUBRICANT

CETTE INVENTION FOURNIT DES LUBRIFIANTS QUI ONT UNE ACTION STABLE MEME AUX TEMPERATURES ELEVEES ET SOUS UNE CHARGE LOURDE. ON PREPARE CES LUBRIFIANTS EN DISPERSANT DANS UNE HUILE OU UNE GRAISSE FLUIDE AU MOINS UNE RESINE SOUS FORME D'UNE POUDRE FINE CHOISIE PARMI UNE RESINE AROMATIQUE ET UNE RESINE DE POLYIMIDE. L'HUILE OU LA GRAISSE FLUIDE PEUT CONTENIR EN OUTRE DU BISULFURE DE MOLYBDENE, DU MOLYBDENE ORGANIQUE, DU NITRURE DE BORE, OU DU PTFE. THIS INVENTION PROVIDES LUBRICANTS WHICH HAVE A STABLE ACTION EVEN AT HIGH TEMPERATURES AND UNDER HEAVY LOAD. THESE LUBRICANTS ARE PREPARED BY DISPERSING IN AT LEAST ONE FLUID OIL OR FAT AT LEAST A RESIN IN THE FORM OF A FINE POWDER SELECTED AMONG AN AROMATIC RESIN AND A POLYIMIDE RESIN. OIL OR FLUID GREASE MAY CONTAIN, IN ADDITION, MOLYBDENE BISULFIDE, ORGANIC MOLYBDENE, BORON NITRIDE, OR PTFE.

Multifunctional viscosity index improver

The invention relates to a polymer composition containing a carbon-carbon backbone and an epoxide moiety pendant from said carbon-carbon backbone prepared by the process which comprises introducing into a polymer containing a carbon-carbon backbone a first monomer containing ethylenic unsaturation and an epoxide moiety thereby forming a polymer composition containing a carbon-carbon backbone and an epoxide moiety pendant from said carbon-carbon backbone and methods of making such a polymer composition. The polymer composition is useful to provide lubricating oils, for example lubricating oils of improved oxidative stability, dispersancy, and viscosity index which contain ethylene-propylene copolymer bearing allyl glycidyl ether or glycidyl methacrylate graft monomer - which has been functionalized with 2,5-dimethyl aniline or 2,6-dimethyl morpholine.

Water-based hydraulic fluids

Substantially oil-free aqueous industrial fluids possess superior lubricating and wear preventing characteristics and are useful as hydraulic fluids and metalworking compositions. Fluids of the invention comprise (1) an aqueous liquid and (2) a water-soluble synthetic addition polymer of (a) an ethylenically unsaturated crosslinking monomer, (b) an ethylenically unsaturated water-soluble monomer, (c) an ethylenically unsaturated water-insoluble monomer and (d) an ethylenically unsaturated polyalkyleneoxy-containing monomer. The industrial fluids exhibit good Newtonian behavior and mechanical stability at high shear.

Polyisobutenyl sulfonates having low polydispersity

The present invention provides for polyisobutenyl sulfonates, methods for preparing them, and composition employing them; wherein said polyisobutenyl sulfonates have improved low temperature and high temperature viscometric properties. The polyisobutenyl sulfonates are prepared by sulfonating polyisobutene and reacting the polyisobutenyl sulfonate with an alkali metal or alkaline earth metal, wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene, a number average molecular weight of about 350 to 5,000, and a ratio of weight average molecular weight to number average molecular weight M w/M n of from about 1.01 to about 1.4.

Graft copolymers and lubricants containing such as dispersant-viscosity improvers

A graft polymer is prepared by grafting, onto a polymeric hydrocarbon backbone, a free-radical polymerizable vinyl nitrogen monomer, which grafting takes place in the presence of an aliphatic hyd rocarbon substituted aromatic solvent capable of free-radical hydrogen atom chain transfer. The modified hydrocarbon based polyme r finds utility as an additive for lubricating oils, particularly as dispersant-viscosity improvers for engine oils.

Processes for preparing grafted copolymers

公开了制造接枝共聚物的方法。该方法包括以下步骤:(a)提供(i)乙烯/丙烯(EP)共聚物或其它可接枝聚合物,(ii)烯属不饱和含硫－、氮和/或氧的单体,和(iii)足以使所述单体和EP共聚物或其它可接枝聚合物进行接枝的引发剂的量;(b)将所述EP共聚物或其它可接枝聚合物加入到挤出机中;(c)将所述单体加到挤出机中;(d)将所述引发剂加到挤出机中,其中至少一种在(a)中的上述确定的反应物在极性溶剂存在下加入;和(e)使所述EP共聚物或其它可接枝聚合物、单体和引发剂通过使所述挤出机运转进行反应,借此形成接枝共聚物。本发明也涉及制备分散剂粘度指数改进剂的方法和制备润滑油的方法。本发明还涉及通过上述方法制造的接枝共聚物产物。

Method for preparing lignin derivative-based, polyurea-thickened lubricating greases, such lubricant greases and use thereof

The invention relates to a process for the preparation of lignin derivative-based lubricating greases thickened by a polyurea thickener, to lubricating greases prepared in this manner and to the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed rolling bearings.

Sulfonate-containing copolymer (water-based) metalworking fluids as mist inhibitors in soluble oils

Processes for preparing grafted copolymers

Methods are disclosed for making graft copolymers. The methods comprise the steps of: (a) providing (i) an ethylene/propylene (EP) copolymer or other graftable polymer, (ii) an ethylenically unsaturated sulfur-, nitrogen- and/or oxygen-containing monomer, and (iii) an amount of an initiator sufficient to graft said monomer and EP copolymer or other graftable polymer, (b) introducing said EP copolymer or other graftable polymer into an extruder, (c) introducing said monomer into the extruder, (d) introducing said initiator into the extruder; wherein at least one of the above-identified reactants in (a) is introduced in the presence of a polar solvent; and (e) reacting said EP copolymer or other graftable polymer, monomer and initiator by operating said extruder, thereby forming the graft copolymer. This invention also relates to methods of making a dispersant viscosity index improver and methods for making a lubricating oil. This invention further relates to graft copolymer products made by the aforementioned methods.

Biodegradable branched synthetic eater base stocks and lubricants formed therefrom

一种包括下面基料混合物的可生物降解的合成酯基料:(A)下面物质的反应产物:(1)具有通式R(OH) n 的直链或支链醇,其中R是具有约2—20个碳原子的脂族或环脂族基团和n至少是2;和(2)包括约30—80%(摩尔)碳数在约C 5 －C 12 范围的直链酸,和约20—70%(摩尔)的至少一种碳数在约C 5 －C 10 范围的支链酸的混合酸,并且其中不大于10%的用于形成所述的可生物降解的合成酯基料的所述支链酸含有季碳;其中所述的酯基料显示出下面的性质:通过改进的Sturm试验测定,在28天至少60%生物降解;倾点低于－25℃;和－25℃的粘度低于7500cps;和(B)通过改进的Sturm试验测定在28天至少60%生物降解的另一个基料;由此,该混合产物的通过改进Sturm试验测定的在28天的生物降解性比单独的(A)或(B)更大。

New viscosity index improving / dispersing / oxidation resistant additive and lubricating oil composition containing it

HALOGENIDISPERSIONER AV SAELLSYNTA JORDMETALLER I VATTENMEDIUM.

Viscosity index improver-dispersant additive useful in oil compositions

Polyisobutenyl sulfonates having low polydispersity

The present invention provides for polyisobutenyl sulfonates, methods for preparing them, and composition employing them; wherein said polyisobutenyl sulfonates have improved low temperature and high temperature viscometric properties. The polyisobutenyl sulfonates are prepared by sulfonating polyisobutene and reacting the polyisobutenyl sulfonate with an alkali metal or alkaline earth metal, wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene, a number average molecular weight of about 350 to 5,000, and a ratio of weight average molecular weight to number average molecular weight M w/M n of from about 1.01 to about 1.4.

Improvements in or relating to organic compounds

The invention comprises a derivative of a polyether having the general formula <FORM:0996481/C2/1> or <FORM:0996481/C2/2> where R is a branched chain alkylene radical having 3 or 4 carbon atoms, R1 and R2 are H, alkyl, cycloalkyl, aryl, aralkyl, or alkaryl groups, X is chlorine or bromine, Z is the residue of an organic acid containing at least one acidic divalent sulphur atom and is attached to R by a sulphur atom, l is an integer, m is an integer of at least 2 and is at least half l, n is zero or an integer, and p is an integer of from 1 to 4. The group Z may be for example <FORM:0996481/C2/3> , <FORM:0996481/C2/4> or <FORM:0996481/C2/5> where R3 and R4 are hydrocarbon radicals which may be substituted by halogen, Y is oxygen or sulphur and q is zero or one. Preferred radicals are xanthyl, dithiocarbamyl, dithiophosphate and benzthiazolythio. The novel compounds may be made by reacting a halogenated polyether of the general formula <FORM:0996481/C2/6> where R, R1, R2, X and n are as defined above and a=(m+l), with a salt of Z with a metal selected from group I of the Periodic Table or with a sulphide or di- or polysulphide of such a metal. The value of m+l will normally be from 3 to 70, n is preferably zero or not greater than m+l; R1 and R2 are preferably hydrogen or alkyl radicals which may contain up to 20 carbon atoms. Detailed examples are given. Specification 916,096 is referred to.ALSO:The invention comprises a derivative of a polyether having the general formula <FORM:0996481/C3/1> or <FORM:0996481/C3/2> where R is a branched chain alkylene radical having 3 or 4 carbon atoms, R1 and R2 are H, alkyl, cycloalkyl, aryl, aralkyl, or alkaryl groups, X is chlorine or bromine, Z is the residue of an organic acid containing at least one acidic divalent sulphur atom and is attached to R by a sulphur atom, l is an integer, m is an integer of at least 2 and is at least half l, n is zero or an integer, and p is an ...

Amide containing friction modifier for use in power transmission fluids

Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a polyamine, such as tetraethylene pentamine, with an aliphatic mono acid, such as isostearic acid, or a mixture, and/or salt, of Component-1 and a Component-2 wherein Component-2 is an acid ester formed by reacting a heterodialkanol such as thiobisethanol and a hydrocarbyl substituted dicarboxylic acid or anhydride, such as octadecenyl succinic anhydride.

Sulfurized polyisobutylenes wear and oxidation inhibitors

ADDITIVE, SUITABLE FOR VISCOSITY INDEX IMPROVERS, DISPERSING AND ANTIOXYDING AGENTS, AND A LUBRICANT COMPOSITION CONTAINING THEM.

Viscosity index improver, dispersant and anti-oxidant additive and lubricating oil composition containing same

Biodegradable branched synthetic ester base stocks and lubricants formed therefrom

A biodegradable synthetic ester base stock which comprises a blend of the following base stocks: (A) the reaction product of: (1) a branched or linear alcohol having the general formula R(OH) n , wherein R is an aliphatic or cyclo-aliphatic group having from about 2 to 20 carbon atoms and n is at least 2; and (2) mixed acids comprising about 30 to 80 molar % of a linear acid having a carbon number in the range between about C 5 to C 12 , and about 20 to 70 molar % of at least one branched acid having a carbon number in the range between about C 5 to C 10 and wherein no more than 10% of the branched acids used to form the biodegradable synthetic ester base stock contains a quaternary carbon; wherein the ester base stock exhibits the following properties: at least 60% biodegradation in 28 days as measured by the Modified Sturm test, a pour point of less than -25° C.; and a viscosity of less than 7500 cps at -25° C.; and (B) another base stock having at least 60% biodegradation in 28 days as measured by the Modified Sturm test; whereby the blended product has a biodegradation in 28 days as measured by the Modified Sturm test which is greater than either (A) or (B) alone.

Polymers and lubricant additives of alkylene dithiothiadiazoles and alkylene cyanodithioimidocarbonates

Abstract of the Disclosure Novel dimercapto thiadiazoles and cyanodithioimido-carbonate polymers having the formula wherein Z is or X is and p is zero or 1, provided that when p is 1 m is zero, n is an integer of 4-100; and Y is and m is zero or 1, provided that when m is 1 Z can also be.