Method of, and apparatus for, cutting potatoes

METHOD OF, AND APPARATUS FOR, CUTTING POTATOES Use of a blend of at least one alkylene oxide copolymer and at least one edible oil as a lubricant for cutting potatoes. Also disclosed is a method of cutting potatoes into a plurality of pieces, the method comprising the steps of (a) providing a potato to a cutting implement having a cutting edge for cutting a potato; (b) supplying a lubricating liquid onto the cutting implement to form a liquid film over at least part of the cutting edge, the lubricating liquid comprising an aqueous dispersion of an antifoam additive; and (c) cutting the potato using the lubricated cutting edge to cut a potato piece from the potato. Also disclosed is an apparatus for cutting potatoes into a plurality of pieces, the apparatus comprising a liquid supply mechanism comprising a tank for holding a lubricant in the form of a liquid, an outlet conduit from the tank communicating with an in-line mixer, a water supply conduit for supplying water to the in-line mixer ...

PROCESS FOR PREPARING A COMPLEX CALCIUM SULPHONATE GREASE

La présente invention concerne un procédé de préparation en une phase d'une graisse sulfonate de calcium complexe. Plus particulièrement, l'invention concerne un procédé de préparation d'une graisse sulfonate de calcium complexe en une phase, en l'absence d'acide borique et comprenant la mise en uvre d'au moins une étape sous pression.

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

Defoaming agent and lubricating oil composition

Enhanced sealing and strong speed-increasing lubricating oil

Lubricating oil composition

LUBRICANT COMPOSITION COMPRISING COMPOUND WITH ANTI-RATTLE

LOW-VISCOSITY LUBRICATING POLYOLEFINS

L'invention concerne une huile de basse viscosité comprenant plus de 50 % en poids de 9-methylnonadecane ainsi qu'une composition lubrifiante comprenant cette huile de base et éventuellement une autre huile de base ou un additif. Cette huile selon l'invention possède une viscosité cinématique à 100 °C, mesurée selon la norme ASTM D445, allant de 0,5 à 2,5 mm2.s-1. L'invention concerne également une telle huile de basse viscosité préparée selon un procédé particulier mettant en œuvre un catalyseur métallocène ainsi que l'utilisation de cette huile en tant que lubrifiant haute performance pour la lubrification dans les domaines des moteurs, des fluides hydrauliques, des engrenages, en particulier les ponts et les transmissions.

A VISCOSITY INDEX IMPROVER COMPRISING A POLYALKYL(METH)ACRYLATE POLYMER

The present invention describes a viscosity index improver comprising a polyalkyl(meth)acrylate polymer having a polydispersity Mw/Mn in the range of 1.05 to 2.0. In addition thereto, the present invention discloses a lubricant comprising the viscosity index improver of the present invention.

NOVEL BASE STOCK LUBRICANT BLENDS

A method of improving air release is disclosed. The method comprises obtaining a lubricant comprising two base stocks. The first base stock comprises a viscosity greater than 100 cSt, Kv100°C. The second base stock comprises a viscosity less than 10 cSt, Kv100°C. In addition, a lubricant formulation and method of blending a lubricant formulation is also disclosed. The lubricant formulation comprises at least two base stocks. At least 5 percent and no more than 90 percent of a first base stock comprising oil with a viscosity greater than 300 cSt, Kv100°C. At least 5 percent and no more than 90 percent of a second base stock comprising oil with a viscosity less than 10 cSt, Kv100°C.

OPERATING OIL FOR BUFFER

Disclosed is an operating oil for a buffer, which comprises a lubricant base oil having an urea adduct vale (defined in the description) of 4 mass% or less and a viscosity index of 100 or greater. The operating oil can achieve all of viscosity-temperature property, shear stability and anti-foaming property at high levels.

METHOD FOR IMPROVED PERFORMANCE OF A FUNCTIONAL FLUID

In accordance with the invention, it has been discovered that the performance of a functional fluid, such as a lubricant, can be improved by following a method of operating a functional fluid using device, such as an engine, comprising: supplying to the device a functional fluid composition comprising an additive package; operating the device containing the functional fluid composition; and adding to the functional fluid composition, during the operation of the device, a supplemental additive package; resulting in a performance improvement of the functional fluid composition during its service life and/or an extension of the functional fluid composition's service life, and so an improvement in the performance of the device.

STABILIZED FOAM CONTROL COMPOSITIONS FOR LUBRICATING COMPOSITIONS AND THEIR USE

The invention relates to stabilized foam compositions for lubricating compositions and their use in lubricating compositions, particularly metal working fluids.

PROCESS FOR MAKING SHOCK ABSORBER FLUID

A process to make a shock absorber fluid having improved performance properties, the properties including an air release after 1 minute by DIN 51381 of less than 0.8 vol%, a kinematic viscosity at 100°C less than 5 mm2/s and an aniline point greater than or equal to 95°C, or meeting the specifications for Kayaba 0304-050-0002 or VW TL 731 class A. The shock absorber fluid is made by blending a base oil having less than 10 wt% naphthenic carbon and a high viscosity index with low levels of (or no) viscosity index improver and pour point depressant.

Lubricant for preventing and removing carbon deposits in internal combustion engines

A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

LUBRICANT COMPOSITION

The invention relates to a lubricant composition for application onto the surface of drive elements, the lubricant composition containing a base oil and a silasesquioxane. The composition is suitable for preventing, reducing or avoiding fatigue phenomena in the material of drive elements, such as gray staining, false brinelling and white etching cracks.

MALEATED VEGETABLE OILS AND DERIVATIVES, AS SELF-EMULSIFYING LUBRICANTS IN METALWORKING

A succinated triglyceride oil derived from maleating triglyceride oil from a plant or land animal is described for use as an emulsifying agent for metalworking fluids. The metalworking fluid would comprise water; as an emulsifier this succinated triglyceride, optionally further reacted with water, Group IA and IIA metals, ammonium hydroxide, various amines, alkanolamines, alkoxylated alkanolamines, and polyamines to form a modified emulsifier; and optionally an oil and other additives.

NOVEL ADDITIVE COMPOSITION THAT REDUCES SOOT AND/OR EMISSIONS FROM ENGINES

An additive composition containing an antioxidant and a dispersant that reduces the soot content in lubricating oil in an engine and/or the emission of an engine. Further, a process for employing the additive composition to decrease the amount of soot in the lubricating oil of an engine and/or decrease the emissions from an engine.

LUBRICATING OIL COMPOSITIONS COMPRISING A BIODIESEL FUEL AND A DISPERSANT

This invention encompasses lubricating oil compositions comprising a base oil, a biodiesel fuel and a dispersant. A method for inhibiting viscosity increase in a diesel engine fueled at least in part with a biodiesel fuel is also described.

ENVIRONMENTALLY COMPATIBLE HYDRAULIC FLUID

Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non- contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

La présente invention concerne une composition résultant du mélange d'au moins une huile lubrifiante, au moins un copolymère statistique A1, et au moins un composé A2 comprenant au moins deux fonctions esters boroniques; le copolymère statistique A1 résulte de la copolymérisation d'au moins un premier monomère M1 portant des fonctions diols et d'au moins second un monomère M2 de structure chimique différente de celle du monomère M1.. L'invention concerne également l'utilisation de cette composition pour lubrifier une pièce mécanique. Le domaine de la présente invention est celui des lubrifiants.

Diamond wire cutting fluid for environment-friendly magnetic materials

LUBRICANT COMPOSITION FOR REFRIGERATING MACHINE

... 본 발명의 냉동기유 조성물은, 기유에 4,4'-메틸렌비스(2,6-디-t-부틸-페놀), 2,2'-메틸렌비스(4-메틸-6-t-부틸페놀), 2,2'-메틸렌비스(4-에틸-6-t-부틸페놀) 및 4,4'-부틸리덴비스(3-메틸-6-t-부틸페놀)로부터 선택된 비스페놀류가 배합되어 이루어지는 것이다.

복합 칼슘 술포네이트 그리스의 제조 방법

... 본 발명은 칼슘 술포네이트 복합 그리스(calcium sulphonate complex grease)를 제조하는 단상 공정(single-phase process)에 관한 것이다. 더 특히, 본 발명은 붕산을 이용하지 않으며 압력 하에 적어도 하나의 단계를 수행하는 칼슘 술포네이트 복합 그리스를 제조하는 단상 공정에 관한 것이다.

FLUID FOR THE METAL WORK

HEAT TRANSFER OIL WITH HIGH AUTO IGNITION TEMPERATURE

A heat transfer oil, comprising a base oil made from a waxy feed, wherein the base oil has a low pour point, low aromatics, and defined cycloparaffin composition. The heat transfer oil has high AIT and VI, and is an ISO viscosity grade. A process to prepare heat transfer oil, comprising: hydroisomerization of wax feed to make fraction(s) of base oil having low pour point, defined cycloparaffin composition, and high ratio of monocycloparaffins to multicycloparaffins; and blending the fractions with < 0.2 wt% antifoam agent. A method to use heat transfer oil, comprising selecting heat transfer oil having high AIT and VI that is made with base oil having defined cycloparaffin composition, providing the heat transfer oil to mechanical system, and transferring heat from heat source to heat sink. Also, heat transfer oil comprising isomerized Fischer-Tropsch derived base oil with a low traction coefficient, and an antifoam agent.

LUBRICANT COMPOSITION

A lubricant composition comprising 90-20% by weight of A) a lubricating base oil, 10-80% by weight of B) at least one fatty acid(C1-C4)alkylester, based on A)+B), and 0.1-20% by weight of C) lubricating oil additives, the percentage of C) being based on A)+B)+C). Use of said lubricant composition as a lubricant for a two-stroke cycle engine. Fuel composition for a two-stroke cycle engine comprising a fuel together with said lubricant composition.

CHEMICAL COMPOSITION OF MATTER FOR THE LIQUEFACTION AND DISSOLUTION OF ASPHALTENE AND PARAFFIN SLUDGES INTO PETROLEUM CRUDE OILS

... ²²²A chemical composition of matter comprising a wax plasticizing agent ²(plasticizer) tributoxyethyl phosphate, a mixture of selected long chain fatty ²acids (preferably C10 to C22), and a mixture of selected low-surface tension ²surfactants, which when added in solution to crude oil or refined products has ²been shown to lower both the B.S. & W. (rag layer) and the coefficient of ²friction of crude oils and refined products. This chemical composition of ²matter is particularly useful as a wax liquefaction, dispersant, and ²solubilization agent for asphaltene and paraffins in crude oil and refined ²products. The reduction in the co-efficient of friction resulting from the ²addition of this product to crude oil will allow crude oil to pump through ²pipelines with a minimum amount of resistance due to friction (drag).² ...

CHEMICAL COMPOSITION FOR THE LIQUEFACTION AND DISSOLUTION OF ASPHALTENE AND PARAFFIN SLUDGES IN PETROLEUM CRUDE OILS

A chemical composition of matter comprising a wax plasticizing agent (plasticizer) tributoxyethyl phosphate, a mixture of selected long chain fatty acids (preferably C10 to C22), and a mixture of selected low-surface tension surfactants, which when added in solution to crude oil or refined products has been shown to lower both the B.S. & W. (rag layer) and the coefficient of friction of crude oils and refined products. This chemical composition of matter is particularly useful as a wax liquefaction, dispersant, and solubilization agent for asphaltene and paraffins in crude oil and refined products. The reduction in the co-efficient of friction resulting from the addition of this product to crude oil will allow crude oil to pump through pipelines with a minimum amount of resistance due to friction (drag).

LUBRICATING OIL COMPOSITION

A lubricating oil composition of TBN 8-9 having up to 0.3 wt.% sulfur, up to 0.08 wt.% phosphorus, and a sulfated ash content up to 0.80 wt.%, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashless dispersant.

Wet drive axle lubricating oil composition and preparation method thereof

Lubricating oil composition

Lubricant for oil retaining bearing

Microwave catalyzed self-defoaming type polyether copolymer lubricant and manufacturing method thereof

FLUID FOR POWER TRANSMISSION HAVING INCREASED LIFESPAN CHARACTERISTICS AND COMPRISING SILICON-CONTAINING DEFOAMING AGENT

PURPOSE: Provided is a power transmission fluid with enhanced life time, which weakens sensitivity to formation of foam in oil caused by oxidation and aging of the oil during use, inhibits a band or a drum being pressurized by the oil, and prevents an increase in gear change time. CONSTITUTION: The fluid for a power transmission comprises a silicon-containing defoaming agent having a dynamic viscosity of greater of 20,000 cSt at 25 deg.C in an amount sufficient to provide a gear change time of about 0.75 sec or less during the whole service life of the transmission fluid. The silicon-containing defoaming agent is selected from the group consisting of fluorosilicon, polydimethylsiloxane, phenyl-methyl polysiloxane, linear siloxane, cyclic siloxane, branched siloxane, silicone polymer and copolymer, organosilicone copolymer and mixtures thereof. © KIPO 2007 ...

LUBRICATING OIL COMPOSITION

El uso, en una composicion de aceite lubricante que incluye aceite base, de uno o más detergentes de magnesio, para reducir la obturacion en un filtro de partículas diesel ...

HVI-PAO IN INDUSTRIAL LUBRICANT AND GREASE COMPOSITIONS

The invention relates to industrial lubricant and grease compositions containing high viscosity index polyalphaolefÊns (HVI-PAO). The use of HVI-PAOs in industrial oils and greases application provides advantages in improved shear stability, wear property, foam property, energy efficiency and improved overall performance.

NOVEL BASE STOCK LUBRICANT BLENDS

A method of improving air release is disclosed. The method comprises obtaining a lubricant comprising two base stocks. The first base stock comprises a viscosity greater than 100 cSt, Kv1000C. The second base stock comprises a viscosity less than 10 cSt, Kv1000C. In addition, a lubricant formulation and method of blending a lubricant formulation is also disclosed. The lubricant formulation comprises at least two base stocks. At least 5 percent and no more than 90 percent of a first base stock comprising oil with a viscosity greater than 300 cSt, Kv1000C. At least 5 percent and no more than 90 percent of a second base stock comprising oil with a viscosity less than 10 cSt, Kv1000C.

Defoaming agent and lubricating oil composition

A defoaming agent comprising: a polymer comprising a repeating unit represented by the following general formula (1): where in the general formula (1), X1 is a repeating unit obtainable by polymerization of an ethylenic unsaturated group; Y1 is a side chain comprising a linear or branched polysiloxane structure, the polysiloxane structure comprising a repeating unit represented by the following general formula (2) and having a polymerization degree of 5 to 300; and Z1 is a linking group linking the repeating unit X1 and the side chain Y1; wherein in the general formula (2), R1 and R2 are each independently an organic group having a carbon number of 1 to 18.

NOISE REDUCTION ADDITIVE

WATER-BASED LUBRICANT FILM TREATMENT AGENT FOR SOLID

PROBLEM TO BE SOLVED: To obtain a water-based lubricant film treatment agent mainly for metal materials, which slightly foams, contains a large amount of lubricant components, has excellent liquid stability and forms a film exhibiting excellent lubricating properties. SOLUTION: The water-based lubricant film treatment agent for solid is obtained by mixing a branched carboxylic acid represented by formula R1-CH(R2)COOH (R1 and R2 are each independently a 4-12C straight-chain or branched-chain alkyl group) and having <0°C pour point and/or its salt with a solid film component. The mixed amount of the branched-chain carboxylic acid or its salt is 0.1-50% by mass calculated as a solid based on the total solid of the water-based lubricant film treatment agent and the mixed amount of the solid film component is 3-99.9% by mass calculated as a solid. The solid film component is selected from an aqueous inorganic salt, an aqueous organic salt and an aqueous resin. The treatment agent may further ...

PRODUCTION OF LUBRICANTS FROM METAL HYDROXIDE ABSTENTION DRAINED EMULSIONS

CHEMICAL SUBSTANCE COMPOSITION FOR LIQUEFACTION AND SOLUTION OF ASPHALTEN AND PARAFFIN MUD IN RAW EARTH OILS AND REFINED PRODUCTS WITH AMBIENT TEMPERATURE AND USE PROCEDURE

SCHMIERÖLZUSAMMENSTZUNGEN WITH LOW PHOSPHORUS, SCHWEFELUND SULFATED ASH CONTENTS

Traction drive fluid

The invention describes a traction drive fluid that comprising a carrier and a particulate solid. The carrier has a boiling point of greater than at least about 100°C, and a melting point of below about 10°C, both being measured at 1 atm pressure. The particulate solid consists of a plurality of laminae. The laminae are homogeneously distributed through the carrier.

ENVIRONMENTALLY COMPATIBLE HYDRAULIC FLUID

Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non- contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.

LOW SULFUR & PHOSPHORUS LUBRICATING OILS COMPRISING A MAGNESIUM DETERGENT

A lubricating oil composition of TBN 8-9 having up to 0.3 wt.% sulfur, up to 0.08 wt.% phosphorus, and a sulfated ash content up to 0.80 wt.%, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashless dispersant.

High-efficiency wear-resistant energy-saving lubricating oil composition and preparation method thereof

Power transmission fluids with enhanced lifetime characteristics

PROCESS FOR PREPARING A CALCIUM SULFONATE COMPLEX GREASE

PROCESS FOR PREPARING A CALCIUM SULFONATE COMPLEX GREASE

La présente invention concerne un procédé de préparation en une phase d'une graisse sulfonate de calcium complexe. Plus particulièrement, l'invention concerne un procédé de préparation d'une graisse sulfonate de calcium complexe en une phase, en l'absence d'acide borique et comprenant la mise en œuvre d'au moins une étape sous pression.

PROCESS TO PRODUCE A SHOCK FLUID ABSORVEDOR

A LITHIUM HYDROXIDE COMPOSITION, A PROCESS FOR PREPARING A LITHIUM HYDROXIDE COMPOSITION, AND A PROCESS FOR USING A LITHIUM HYDROXIDE COMPOSITION

The invention provides for a lithium hydroxide composition including lithium hydroxide, a base oil, and a polymer. The invention also provides for a process for preparing a lithium hydroxide composition including contacting a lithium hydroxide component, a base oil, and a polymer. The invention also provides for a process of using a lithium hydroxide composition for preparing a soap concentrate or a grease.

HYDRODYNAMIC FLUID BEARING CONTAINING LUBRICANTS WITH REDUCED BUBBLE FORMING TENDENCY FOR DISK DRIVE APPLICATION

A disc drive storage system includes a housing having a central axis, a stationary member that is fixed with respect to the housing and coaxial with the central axis, and a rotatable member that is rotatable about the central axis with respect to the stationary member. A hydro bearing interconnects the stationary member and the rotatable member and includes a lubricating fluid having a base fluid and an additive for reducing the tendency of bubble formation in the lubricating fluid.

METHOD OF, AND APPARATUS FOR, CUTTING POTATOES

POWER TRANSMITTING FLUIDS AND ADDITIVE COMPOSITIONS

An additive composition and a power transmitting fluid including the additive composition having the following components: a dispersant, an antioxidant, an anti-foam agent, and a dihydrocarbyl hydrogen phosphite. Power transmitting fluids may be formulated to have enhanced wear protection performance and enhanced anti- shudder durability by including additive compositions including the forgoing components.

FLUORINATED POLYACRYLATE ANTIFOAM COMPONENTS FOR LUBRICATING COMPOSITIONS

There is disclosed an antifoam component for a mechanical device which includes a fluorinated poly(acrylate) copolymer. The antifoam component has improved foam performance and thermal stability in finished fluids, such as driveline fluids.

STABLE ANTIFOAMING COMPOSITIONS

A stabilized antifoaming composition having at least three components. The first component is an antifoaming agent. The second component is an ethylene-(meth)acrylic acid copolymer. The third component is a salt.

GAS-FUELLED ENGINE LUBRICATING OIL COMPOSITIONS

A gas-fuelled engine lubricating oil composition that is substantially free from anti-oxidant additives. The gas-fuelled engine lubricating oil composition exhibits good resistance to oil oxidation and nitration and improved corrosion resistance. The composition includes: (i) an oil of lubricating viscosity; (ii) a detergent composition including at least one calcium salicylate having a TBN in the range from 70 to 245; (iii) 0 to 0.2 mass % of nitrogen, based on the mass of the oil composition, of a dispersant; and (iv) a minor amount of one or more co-additives.

METAL HYDROXIDE DESICCATED EMULSIONS USED TO PREPARE GREASE

... ²²²The invention provides a grease composition comprising a reaction product of a ²stable dispersion of a metal hydroxide with a number average particle size in ²the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than ²10, a mono- and/or poly- carboxylic acid, and an oil of lubricating viscosity. ²The method of preparing a grease composition is also disclosed with benefits ²including a reduction in reaction time, amount of foam produced and ²environmental hazards.² ...

ORGANIC ACID SALTS AS THICKENERS

The invention provides a grease composition comprising a reaction product of a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- and/or poly- carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.

High-performance water-based total synthesis cutting fluid and preparation method thereof

Highly-concentrated water-based chain lubricant and preparation method thereof

LUBRICANT COMPOSITION COMPRISING A ANTI-KNOCK COMPOUND

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base et au moins un composé organique. La composition lubrifiante selon l'invention permet ainsi de réduire, voire de supprimer le cliquetis dans un moteur de véhicules, de préférence de véhicules automobiles.

ANTIFOAMING AGENT FOR AQUEOUS MEDIA

AQUEOUS COMPOSITIONS USEFUL IN FILLING AND CONVEYING OF BEVERAGE BOTTLES WHEREIN THE COMPOSITIONS COMPRISE HARDNESS IONS AND HAVE IMPROVED COMPATIBILITY WITH PET

The passage of a container along a conveyor is facilitated by applying to the container or conveyor aqueous compositions containing hardness ions. The compatibility of the aqueous compositions with PET bottles is improved when the ratio of hardness as CaCO3 to alkalinity as CaCO3 is greater than about 1 to 1. © KIPO & WIPO 2009 ...

LUBRICATION OIL COMPOSITIONS

This invention relates to lubrication oil compositions comprising a base fluid stock comprising a PO3G fluid (a polytrimethylene ether glycol that is a fluid at ambient temperature) and a PO3G ester fluid (an ester of a polytrimethylene ether glycol that is a fluid at ambient temperature), and one or more fuel oil additives. COPYRIGHT KIPO & WIPO 2010 ...

HIGH EFFICIENCY HYDRAULIC OILS

Methods for achieving favorable efficiency properties are disclosed including methods for blending a lubricant composition and lubricant compositions. In one embodiment, the method comprises the steps of obtaining at least one base stock and at obtaining at least one base stock chosen to have a favorable air release properties, obtaining at least one additive, blending at least one base stock and at least one additive to achieve a favorable effective bulk modulus through air release property, bulk modulus, and using a relationship between density and bulk modulus.

Anti-wear and Anti-oxidant Additives for Lubricating Oil Compositions

HVI-PAO IN INDUSTRIAL LUBRICANT AND GREASE COMPOSITIONS

The invention relates to industrial lubricant and grease compositions containing high viscosity index polyalphaolef╥ns (HVI-PAO). The use of HVI- PAOs in industrial oils and greases application provides advantages in improved shear stability, wear property, foam property, energy efficiency and improved overall performance.

OXIDATION-STABLE HYDRAULIC OIL

Oxidation-stable hydraulic oils can be obtained by esterifying polyols with oleic acid and by optionally adding additives, whereby the respective hydraulic oils correspond to the requirements of the thermal oxidation stability test (TOST) in accordance with DIN 51587.

ENGINE LUBRICANTS CONTAINING A POLYETHER

A lubricant comprising (a) an oil of lubricating viscosity; (b) a polyether of number average molecular weight 1000 to 10,000; said polyether comprising alkylene oxide monomer units, where the alkylene group contains 3 to 6 carbon atoms, and ethylene oxide monomer units; and (c) one or more anti-foam agents, where the lubricant has a sulfated ash content of less than about 0.7 percent, is useful for lubricating a stationary gas engine where the engine drives a compressor and where both the engine and the compressor are lubricated with the same lubricant.

Environmentally-friendly metal cutting fluid

LUBRICANT COMPOSITION COMPRISING ANTI-FOAM AGENTS

The disclosed invention relates to a multigrade lubricant composition which can be used for numerous lubricant applications, but is particularly useful for lubricating a diesel engine. The lubricant composition comprises an oil of lubricating viscosity, a detergent, a dispersant, a viscosity index improver, and a combination of anti-foam agents. The lubricant composition may be used for providing enhanced fuel economy and avoiding air entrainment problems when used in lubricating diesel engines.

LUBRICANT COMPOSITION FOR REFRIGERATING MACHINE

Disclosed is a lubricant composition for refrigerating machines, which is obtained by blending a bisphenol selected from 4,4'-methylenebis(2,6-di-t-butyl-phenol), 2,2'-methylenebis(4-methyl-6-t-butylphenol), 2,2'-methylenebis(4-ethyl-6-t-butylphenol), and 4,4'-butylidenebis(3-methyl-6-t-butylphenol) into a base oil.

LUBRICATING OIL COMPOSITION

The use, in a minor amount, of a detergent composition comprising one or more metal detergents which comprises metal salts of organic acids, wherein the detergent composition comprises more than 50 mole %, based on the moles of the metal salts of organic acids in the detergent composition, of: (I) a metal salt of an aromatic carboxylic acid, or (II) a metal salt of a phenol, or (III) both a metal salt of an aromatic carboxylic acid and a metal salt of a phenol, in a lubricating oil composition for improving the oxidation resistance of the lubricating oil composition, wherein the amount of phosphorus and sulfur in the oil composition is less than 0.09 mass % and at most 0.5 mass % respectively, based on the mass of the oil composition. It has also been found that a detergent composition comprising more than 50 mole % of a metal salt of an aromatic carboxylic acid improves the reduction in wear in an engine.

LUBRICANT CONCENTRATE CONTAINING A PHOSPHATE TRIESTER

HVI-PAO IN INDUSTRIAL LUBRICANT AND GREASE COMPOSITIONS

The invention relates to industrial lubricant and grease compositions containing high viscosity index polyalphaolef╥ns (HVI-PAO). The use of HVI- PAOs in industrial oils and greases application provides advantages in improved shear stability, wear property, foam property, energy efficiency and improved overall performance.

Microemulsion cutting fluid applicable to heavy load metal working and preparation method of microemulsion cutting fluid

DEVICES SORBITAN TRIESTERS

LUBRICANT COMPOSITION COMPRISING AN ANTI-RATTLE

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base et au moins un composé organique. La composition lubrifiante selon l'invention permet ainsi de réduire, voire de supprimer le cliquetis dans un moteur de véhicules, de préférence de véhicules automobiles.

LUBRICANT COMPOSITIONS COMPRISING COPOLYMERS AND EXCHANGEABLE THERMOASSOCIATIFS

La présente invention concerne une composition résultant du mélange d'au moins une huile lubrifiante, au moins un copolymère statistique A1, et au moins composé A2 comprenant au moins deux fonctions esters boroniques; le copolymère statistique A1 résulte de la copolymérisation d'au moins un premier monomère M1 portant des fonctions diols et d'au moins second un monomère M2 de structure chimique différente de celle du monomère M1.. L'invention concerne également l'utilisation de cette composition pour lubrifier une pièce mécanique. Le domaine de la présente invention est celui des lubrifiants.

ENVIRONMENTALLY COMPATIBLE HYDRAULIC FLUID

Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non-contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.

LUBRICATING COMPOSITION

The present invention provides a lubricating composition comprising: (i) a base oil; (ii) a non-silicone anti-foam agent; and (iii) one or more performance additives; wherein the composition has a kinematic viscosity at 100°C (according to ASTM D445) of 16.3 mm2/s or less, a low temperature cranking viscosity of at most 6600c P at -30°C (ASTM D5293) and a NOACK volatility of at most 11% according to CEC-L-40-93.

ORGANIC ACID SALTS AS THICKENERS

The invention provides a grease composition comprising a reaction product of a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- and/or poly- carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.

DEFOAMING AGENT FOR DEFOAMING LACQUERS

The invention relates to substances for defoaming aqueous media. Said substances contain urea derivatives of formula (I) in the form of solid particles as defoaming agents. In formula (I), R1 is a hydrocarbon group comprising 4 to 30 carbon atoms, a hydrocarbon group comprising 4 to 24 carbon atoms and a nitrogen atom, or a hydrocarbon group comprising 4 to 30 carbon atoms and a carbonyl group, R2 is a hydrogen atom or a hydrocarbon group comprising 1 to 24 carbon atoms, R3 is a hydrogen atom or a hydrocarbon group comprising 1 to 24 carbon atoms, R4 is an organic group comprising 2 to 30 carbon atoms, and n is a number between 0 and 5. The urea derivatives are obtained by reacting isocyanates with amines in a carrier medium. The invention is characterized in that the reaction is carried out in the presence of a monovalent alcohol of formula (VI) R8-OH, in which R8 is a linear or branched, preferably branched, alkyl group comprising 6 to 10 carbon atoms.

HYDRAULIC OIL WITH EXCELLENT AIR RELEASE AND LOW FOAMING TENDENCY

This invention provides a hydraulic oil comprising: 1) a lubricant base oil having an average molecular weight greater than 475, a viscosity index greater than 140, and a weight percent olefins less than 10; and 2) an antiwear hydraulic oil additive package. The hydraulic oil of this invention has an air release by ASTM D 3427-03 of less than 0.8 minutes at 50 degrees C, and a sequence II foam tendency by ASTM D 892-03 of less than 50 ml. We describe a process for making the hydraulic oil of this invention, and a method of operating a hydraulic pump without pump cavitation using the hydraulic oil of this invention.

STABILIZED FOAM CONTROL COMPOSITIONS FOR LUBRICATING COMPOSITIONS AND THEIR USE

The invention relates to stabilized foam compositions for lubricating compositions and their use in lubricating compositions, particularly metal working fluids.

LOW SULFUR AND LOW METAL ADDITIVE FORMULATIONS FOR HIGH PERFORMANCE INDUSTRIAL OILS

An additive package, lubricant formulation with the additive package and method of improving gear lubricant properties with the additive package are disclosed. The additive package comprises at least one antiwear additive, at least one antioxidant additive, at least one rust inhibitor additive, at least one metal passivator additive, at least one demulsifier additive, at least one defoamant additive wherein the composition has less than 3.5% phosphorous, less than 1.7% ppm nitrogen, less than 1000 ppm sulfur, less than 100 ppm metals and a TAN of less than 1.

Method of, and apparatus for, cutting potatoes

A method of cutting potatoes into a plurality of pieces, the method comprising the steps of: (a) providing a potato to a cutting implement having a cutting edge for cutting a potato; (b) supplying a lubricating liquid onto the cutting implement to form a liquid film over at least part of the cutting edge, the lubricating liquid comprising an aqueous dispersion of an antifoam additive; and (c) cutting the potato using the lubricated cutting edge to cut a potato piece from the potato. Also disclosed is an apparatus for cutting potatoes into a plurality of pieces, the apparatus comprising a liquid supply mechanism comprising a tank for holding a lubricant in the form of a liquid, an outlet conduit from the tank communicating with an in¬ line mixer, a water supply conduit for supplying water to the in-line mixer, the water supply conduit communicating with the outlet conduit or an inlet side of the in-line mixer, the in-line mixer being arranged to form a lubricating fluid from the lubricant ...

LUBRICATING OIL COMPOSITION

The use, in a minor amount, of a detergent composition comprising one or more metal detergents which comprises metal salts of organic acids, wherein the detergent composition comprises more than 50 mole %, based on the moles of the metal salts of organic acids in the detergent composition, of: (I) a metal salt of an aromatic carboxylic acid, or (II) a metal salt of a phenol, or (III) both a metal salt of an aromatic carboxylic acid and a metal salt of a phenol, in a lubricating oil composition for improving the oxidation resistance of the lubricating oil composition, wherein the amount of phosphorus and sulfur in the oil composition is less than 0.09 mass % and at most 0.5 mass % respectively, based on the mass of the oil composition. It has also been found that a detergent composition comprising more than 50 mole % of a metal salt of an aromatic carboxylic acid improves the reduction in wear in an engine.

MARINE DIESEL CYLINDER LUBRICANT OIL COMPOSITIONS

Aqueous lubricant

Door closer oil composition and application thereof

An environment-friendly cutting liquid and its preparation method

HIGH VISCOSITY NOVEL BASE STOCK LUBRICANT VISCOSITY BLENDS

A lubricant formulation and method of blending a lubricant formulation is disclosed. The lubricant formulation comprises at least two base stocks. The first base stock comprises a viscosity greater than 135 cSt, Kv100°C and a tight molecular weight distribution as a function of viscosity. The second base stock comprises a viscosity less than 60 cSt, Kv100°C. The formulation also comprises a polyol ester. The lubricant formulation provides favorable properties.

MARINE DIESEL LUBRICANT OIL COMPOSITIONS

A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate having a TBN, on an actives basis, of at least 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896. 1. A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate having a TBN , on an actives basis , of at least 600 mg KOH/g , as determined by ASTM D2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate has from 12 to 40 carbon atoms.3. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an alpha-olefin having from 14 to 28 carbon atoms per molecule.4. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an alpha-olefin having from 20 to 24 carbon atoms per molecule.5. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl- ...

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

A composition results from the mixture of at least one lubricating oil, at least one statistical copolymer A1, and at least one compound A2 including at least two boronic ester functions; the statistical copolymer A1 resulting from the copolymerisation of at least a first monomer M1 having diol functions and at least a second monomer M2 having a different chemical structure from that of the M1 monomer. The composition lubricates a mechanical part. The field is that of lubricants. 2. The composition according to claim 1 , in which statistical copolymer A1 results from the copolymerization of at least one monomer M1 with at least two monomers M2 having different Rgroups.6. The composition according to claim 5 , in which the chain formed by the sequence of R10 claim 5 , M claim 5 , X and (R)groups with u equal to 0 or 1 of the monomer of general formula (IV) has a total number of carbon atoms comprised between 8 and 38.7. The composition according to claim 5 , in which the side chains of the copolymer A2 have an average length greater than 8 carbon atoms.8. The composition according to claim 5 , in which the statistical copolymer A2 has a molar percentage of monomer of formula (IV) in the copolymer ranging from 0.25 to 20%.9. The composition according to claim 5 , in which the statistical copolymer A2 has a number-average degree of polymerization ranging from 50 to 1500.10. The composition according to claim 1 , in which the side chains of the statistical copolymer A1 have a average length ranging from 8 to 20 carbon atoms.11. The composition according to claim 1 , in which the statistical copolymer A1 has a molar percentage of monomer M1 of formula (I) ranging in said copolymer from 1 to 30%.12. The composition according to claim 1 , in which the statistical copolymer A1 has an average degree of polymerization ranging from 100 to 2000.13. The composition according to claim 1 , in which the lubricating oil is selected from the oils of Group I claim 1 , Group II claim 1 ...

VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm). 1. A viscosity index improver comprising:a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit; anda base oil,{'sup': 3', '1/2, 'wherein the absolute value of the difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm).'}2. The viscosity index improver according to claim 1 ,{'sup': 3', '1/2, 'wherein the solubility parameter of the base oil is 7.8 to 9.5 (cal/cm).'}4. The viscosity index improver according to claim 3 ,wherein the hydrocarbon polymer containing at least one of isobutylene or 1,2-butylene as an essential structural unit in the formula (1) is a polymer in which the total number of isobutylene and 1,2-butylene based on the total number of structural units is 30 mol % or more.6. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 1 to 50% by weight of the monomer (a) and 1 to 80% by weight of the monomer (b) based on the weight of the (co)polymer (A), with the total amount of the monomers (a) and (b) being 10% by weight or more.7. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer further containing, as a monomer unit, at least one of an alkyl (meth)acrylate (c) having a C1-C4 alkyl group or an alkyl (meth)acrylate (d) having a C12-C36 linear alkyl group.9. The viscosity index improver according to claim 8 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 5 to 40% by weight of the monomer (a ...

Polyacrylate Antifoam Components With Improved Thermal Stability

There is disclosed an antifoam component for a mechanical device which includes a poly(acrylate) copolymer. The antifoam component has improved thermal stability in finished fluids utilizing dibutyl hydrogen phosphite compounds, such as driveline fluids. 2. The lubricating composition of claim 1 , further comprising a phosphorous-containing component.3. The lubricating composition of claim 2 , wherein the phosphorous-containing component comprises one or more of a phosphite claim 2 , a phosphorus-containing amide claim 2 , a phosphorus-containing carboxylic acid or ester claim 2 , a phosphorus-containing ether claim 2 , and mixtures and derivatives thereof.4. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 80 wt % claim 1 , or about 85 wt % claim 1 , and the comonomer (ii) is present in an amount of about 15 wt % claim 1 , or about 20 wt %.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises C6-C8 alkyl esters of acrylic acid.6. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.7. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.8. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the comonomer (ii) is ethyl acrylate.9. The lubricating composition of claim 8 , wherein the acrylate monomer (i) is present in an amount of 85 wt % and the comonomer (ii) is present in an amount of 15 wt %.10. The lubricating composition of claim 1 , wherein the antifoam component has a Mof from 22 claim 1 ,000 to 27 claim 1 ,000 Da.11. The lubricating composition of claim 1 , wherein the antifoam component is present in the lubricating composition in an amount from 50 ppm to about 600 ppm.12. The lubricating composition of claim 1 , further comprising at least one further additive selected from the group consisting of ...

FLUORINATED POLYACRYLATE ANTIFOAM COMPONENTS FOR LUBRICATING COMPOSITIONS

There is disclosed an antifoam component for a mechanical device which includes a fluorinated poly(acrylate) copolymer. The antifoam component has improved foam performance and thermal stability in finished fluids, such as driveline fluids. 1. A lubricating composition , comprising:a) an oil of lubricating viscosity selected from the group consisting of a Group III oil, a Group IV oil, a Group V oil, or mixtures thereof; andb) an antifoam component comprising a poly(acrylate) copolymer including:{'sub': 4', '8, '(i) from about 50 wt % up to about 90 wt % of an acrylate monomer having Cto Calkyl esters of acrylic acid;'}{'sub': 2', '3, '(ii) from about 10 wt % up to about 35 wt % of an acrylate comonomer having Cto Calkyl esters of acrylic acid; and'}(iii) from about 1.0 wt % up to 20 wt % of a fluorinated acrylate monomer;{'sub': 'w', 'the antifoam component having a Mof at least 45,000 Daltons.'}2. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 54 wt % claim 1 , or 72 wt % claim 1 , and the acrylate comonomer (ii) is present in an amount of about 31 wt % or 23 wt %.3. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.4. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the acrylate comonomer (ii) is ethyl acrylate.6. The lubricating composition of claim 1 , wherein the fluorinated acrylate comonomer is branched or linear.7. The lubricating composition of claim 1 , wherein the fluorinated acrylate monomer is selected from the group consisting of 2 claim 1 ,2 claim 1 ,2-trifluoroethyl acrylate claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,-hexafluoroisopropyl acrylate claim 1 , octafluoropentylmethacrylate claim 1 , heptadecafluoroundecyl acrylate and tridecafluorooctyl ...

Lubricant for preventing and removing carbon deposits in internal combustion engines

A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

Fluids for Extreme Pressure and Wear Applications

Provided are compositions, additives for forming compositions, methods of operating apparatus in fluid communication with the compositions, and apparatus comprising the compositions. For example, the composition may include a polyalphaolefin component of from about 95% to about 99.5% w/w. The composition may include an additive component. The additive component may include an anti-wear agent. The anti-wear agent may be from about 0.1% to about 2% w/w. The anti-wear component may be characterized by an acid value of at least about 1 mg KOH/g. The additive component may include an aryl amine antioxidant agent, an anti-rust agent, and a metal deactivator agent. The composition may be characterized by a kinematic viscosity at 100° C. of at least about 5 centiStokes, a viscosity index of at least about 80, and an acid value in mg KOH/g of between about 0.1 and about 1. 1. A composition , comprising:a polyalphaolefin component in a percentage, w/w of the composition, of from about 95% to about 99.5%; and an anti-wear agent in a percentage, w/w of the composition, of from about 0.1% to about 2%, the anti-wear component characterized by an acid value of at least about 1 mg KOH/g;', 'an aryl amine antioxidant agent;', 'an anti-rust agent; and', 'a metal deactivator agent;, 'an additive component, comprising a kinematic viscosity at 100° C. of at least about 5 centiStokes;', 'a viscosity index of at least about 80; and', 'an acid value in mg KOH/g of between about 0.1 and about 1., 'the composition being characterized by2. The composition of claim 1 , comprising the additive component claim 1 , in a percentage claim 1 , w/w of the composition claim 1 , of from about 0.5% to about 5%.3. The composition of claim 1 , the anti-wear agent comprising a partly esterified phosphate ester.4. The composition of claim 1 , the anti-wear agent comprising one or more of: a C-Calkylated triarylphosphate claim 1 , a C-Calkyl phosphate claim 1 , a diarylether phosphate ester and a diarylether ...

LUBRICANTING COMPOSITION FOR A MARINE ENGINE OR A STATIONARY ENGINE

The present invention relates to a lubricating composition comprising: —at least one base oil; —at least one olefin copolymer; —at least one detergent; and —at least one linear hydrogenated styrene/butadiene copolymer. The invention also relates to the use of said composition for reducing fuel consumption in an engine and for enhancing the cleanliness of a 4-stroke or 2-stroke, preferably 4-stroke, marine engine or of a stationary engine. 1. A lubricant composition comprising:at least one base oil;at least one detergent, in an amount being from 10% to 30% by mass based on the total mass of said lubricant composition; 'at least one hydrogenated and linear styrene/butadiene copolymer.', 'at least one olefin copolymer; and'}2. The lubricant composition according to wherein in the hydrogenated and linear styrene/butadiene copolymer claim 1 , the content of hydrogenated butadiene units ranges from 50% to 98% by moles claim 1 , as compared with the number of moles of hydrogenated and linear styrene/butadiene copolymer.3. The lubricant composition according to claim 1 , wherein the weight content of hydrogenated and linear styrene/butadiene copolymer is from 0.01% to 8% by mass claim 1 , based on the total mass of the lubricant composition.4. The lubricant composition according to claim 1 , wherein the olefin copolymer is an ethylene-propylene copolymer.5. The lubricant composition according to claim 4 , wherein the ethylene/propylene copolymer comprises a content of ethylene units ranging from 30% to 80% by mass based on the mass of copolymer olefin.6. The lubricant composition according to claim 1 , wherein the amount of olefin copolymer is from 0.01% to 5% by mass claim 1 , based on the total mass of the lubricant composition.7. The lubricant composition according to claim 1 , wherein the amount of detergents is from 10% to 25% by mass based on the total mass of the lubricant composition.8. The lubricant composition according to claim 1 , comprising:from 0.01% to 8% by ...

USE OF A LUBRICANT COMPOSITION FOR REDUCING KNOCKING

The present disclosure relates to a lubricant composition including at least one base oil and at least one organic compound. The lubricant composition thus makes it possible to reduce, or even to eliminate knock in a vehicle engine, preferably a motor vehicle engine. 2. The method according to in which R1 represents:a saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl group, comprising from 1 to 10 carbon atoms;an —OR7 group in which R7 represents a saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl group, comprising from 1 to 10 carbon atoms; andan —NR8R9 group in which R8 and R9, identical or different, represent independently a hydrogen atom or a saturated or unsaturated, substituted or unsubstituted alkyl group, comprising from 1 to 3 carbon atoms3. The method according to in which R5 represents a hydrogen atom.4. The method according to in which R6 represents a hydrogen atom.5. The method according to in which R1 represents:a saturated, linear or branched alkyl group, comprising from 1 to 5 carbon atoms;an —OR7 group in which R7 represents a saturated, linear or branched alkyl group, comprising from 1 to 5 carbon atoms; and R8 represents a hydrogen atom or a saturated alkyl group, comprising from 1 to 3 carbon atoms;', 'R9 represents a hydrogen atom or a saturated alkyl group, comprising from 1 to 3 carbon atoms., 'an —NR8R9 group in which6. The method according to in which R2 represents:a hydrogen atom;a saturated, linear or branched alkyl group, comprising from 1 to 5 carbon atoms; R11 represents a hydrogen atom or a saturated alkyl group, comprising from 1 to 3 carbon atoms; and', 'R12 represents a hydrogen atom or a saturated alkyl group, comprising from 1 to 3 carbon atoms., 'an —NR11R12 group in which7. The method according to in which R3 represents:a hydrogen atom;a saturated, linear or branched alkyl group, comprising from 1 to 5 carbon atoms; R14 represents a hydrogen atom or a saturated alkyl ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, 2. The lubricant oil composition according to claim 1 , wherein the metal detergent as the component (A) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.3. The lubricant oil composition according to claim 2 , wherein the alkaline earth metal is calcium.4. The lubricating oil composition according to claim 1 , wherein the metal detergent as the component (B) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.5. The lubricant oil composition according to claim 4 , wherein the alkaline earth metal is calcium.6. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (A) is 0.002 mass % or more of a total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (B) is 0.01 mass % or more of the total amount of the lubricating oil composition.8. The lubricating oil composition according to claim 1 , wherein the component (D) is at least one selected from the group consisting of phosphate claim 1 , acid phosphate claim 1 , phosphite and acid phosphite.9. The lubricating oil composition according to claim 1 , wherein a content of phosphorous derived from the component (D) is 0.02 mass % or more of the total amount of the lubricating oil composition.10. The lubricating oil composition according to claim 1 , wherein a content of nitrogen derived from the component (C) is 0.005 mass % or more of the total amount of the lubricating oil composition.11. The lubricating oil ...

LUBRICANT ADDITIVE COMPOSITIONS CONTAINING THIOPHOSPHATES AND THIOPHOSPHATE DERIVATIVES

The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines. 2. The lubricant additive composition of claim 1 , wherein the sulfonate is selected from calcium sulfonate and magnesium sulfonate claim 1 , and wherein the phenate is selected from calcium phenate and magnesium phenate.4. The lubricant additive composition of claim 1 , wherein Xis R.11. The lubricant additive composition of claim 2 , wherein the detergent is selected from a magnesium sulfonate detergent and a calcium phenate detergent.12. The lubricant additive composition of claim 11 , wherein the detergent is an overbased magnesium sulfonate detergent.13. The lubricant additive composition of claim 11 , wherein the detergent is an overbased calcium phenate detergent.14. The lubricant additive composition of claim 2 , wherein the detergent is selected from an overbased calcium sulfonate detergent and a neutral calcium sulfonate detergent.15. The lubricant additive composition of claim 1 , wherein the lubricant additive composition further comprises one or more additive components selected from the group consisting of an antioxidant claim 1 , antiwear agent claim 1 , corrosion inhibitor claim 1 , extreme pressure agent claim 1 , dispersant claim 1 , viscosity index improver claim 1 , and friction modifier.16. The lubricant additive composition of claim 15 , wherein the extreme pressure agent is an organic polysulfide.17. The lubricant additive composition of claim 16 , wherein the polysulfide is an S3-enriched organic polysulfide.18. The lubricant additive composition of claim 1 , wherein the tribologically acceptable salt is not an amine salt.20. The lubricant additive composition of ...

LUBRICATING OIL COMPOSITIONS

A lubricating oil composition which contains, or is made by admixing: 2. A composition as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is a sulfurized Cto Caliphatic hydrocarbyl fatty acid alkyl ester claim 1 , a sulfurized Cto Caliphatic hydrocarbyl fatty acid glycerol ester claim 1 , or a mixture thereof.3. A composition as claimed in claim 2 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is a sulfurized Cto Caliphatic hydrocarbyl fatty acid methyl ester.4. A composition as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is derived from sulfurizing a vegetable oil and/or a trans-esterified product of a vegetable oil.5. A composition as claimed in claim 5 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is derived from sulfurizing palm oil claim 5 , corn oil claim 5 , grapeseed oil claim 5 , coconut oil claim 5 , cottonseed oil claim 5 , wheatgerm oil claim 5 , soya oil claim 5 , safflower oil claim 5 , olive oil claim 5 , peanut oil claim 5 , rapeseed oil claim 5 , sunflower oil claim 5 , or a trans-esterified product thereof claim 5 , or a combination thereof.6. A composition as claimed in claim 1 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.7. A composition as claimed in claim 2 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.8. A composition as claimed in claim 3 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.9. A compositions as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent(s) is an overbased alkali metal or alkaline earth metal salicylate detergent having a TBN at 100% active mass of at least 150 mg KOH/g.10. A ...

Engine Lubricants Containing a Polyether

A sump-lubricated, spark-ignited engine is lubricated by supplying thereto a lubricant which comprises (a) an oil of lubricating viscosity; (b) a polyether; and (c) a metal-containing detergent. The lubricant has a total phosphorus content of less than 0.075 percent by weight. 2. The method of wherein the polyether comprises a reaction product of one unit derived from a hydroxy-containing hydrocarbon and two or more units derived from an alkylene oxide claim 1 , wherein the hydroxy-containing hydrocarbon contains 1 to about 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 1 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino group.3. The method of wherein the polyether comprises a polyetheramine.4. The method of wherein the salicylate detergent comprises an overbased calcium hydrocarbyl-substituted salicylate detergent.5. The method of wherein the amount of the detergent is about 0.05 to about 1.5 percent by weight.6. The method of wherein the zinc dihydrocarbyldithiophosphate is present in an amount to contribute about 0.01 to about 0.06 weight percent phosphorus.7. The method of wherein the phosphorus content of the lubricant is about 0.01 to about 0.05 percent by weight.8. The method of wherein the sulfated ash level of the lubricant is less than about 0.80 percent.9. The method of wherein the lubricant further comprises an ashless antioxidant.11. The lubricant of wherein the polyether comprises a reaction product of one unit of a hydroxy-containing hydrocarbon and two or more units of an alkylene oxide claim 10 , wherein the hydroxy-containing hydrocarbon contains 1 to 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 10 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino group.12. The lubricant of wherein the polyether is ...

Lubricating Oil Composition Having Improved Air Release

The invention provides a lubricating oil composition comprising a ethylene/α-olefin copolymer and, optionally, and additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester. The invention also provides a method of improving air release of a lubricating oil composition by mixing an ethylene/α-olefin copolymer with an oil of lubricating viscosity. 1. A lubricating oil composition comprising:(a) an oil of lubricating viscosity;(b) an ethylene/α-olefin copolymer; and(c) an additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester.2. The lubricating oil composition of claim 1 , wherein the additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester is obtained by reacting a phosphorous sulfide with one or more alcohols having about 3 to about 13 carbon atoms to form a thiophosphoric acid ester claim 1 , further reacting the thiophosphoric acid ester with an alkylene oxide to form a hydroxyl-substituted ester of thiophosphoric acid claim 1 , and further reacting said hydroxyl-substituted ester of thiophosphoric acid with a phosphorous oxide to form a an acidic phosphoric acid intermediate claim 1 , and salting said acidic phosphoric acid intermediate with one or more amines wherein said amines contain one or more hydrocarbyl groups having from 2 to 30 carbon atoms.3. The lubricating oil composition of claim 1 , wherein the ethylene/α-olefin copolymer comprises ethylene monomer units and one or more α-olefin monomer units other than ethylene monomer claim 1 , wherein the amount of ethylene monomer units is greater than 5 weight percent claim 1 , wherein the α-olefin monomer units contain 3 to about 20 claim 1 , or 3 to about 6 claim 1 , or 3 to 4 claim 1 , or 3 carbon atoms or mixtures thereof.4. The lubricating oil composition of claim 1 , wherein the α-olefin monomer units of the ethylene/α-olefin copolymer comprise propylene units and monomer units containing 4 to about 20 carbon atoms.5. The lubricating oil ...

LUBRICANT COMPOSITIONS

The present invention relates to lubricant compositions that are especially suitable for the lubrication of turbines or (turbo)compressors which serve to compress chlorine and/or chlorinated products. The lubricant composition comprises a base oil, an antihydrolysis component and a rust and oxidation inhibitor. 1. A lubricant composition comprising{'sup': '2', '(a) a base oil having a viscosity of 30 to 70 mm/s at 40° C.,'}{'sub': 11', '22', '1', '12', '11', '22', '1', '12, '(b) an antihydrolysis component comprising at least one epoxidized C-Cfatty acid C-C-alkyl ester and/or at least one epoxidized C-Cfatty acid glyceride, having an epoxy oxygen content of 1% to 10% by weight, based on the total mass of epoxidized fatty acid C-C-alkyl ester and/or epoxidized fatty acid glyceride, and'}{'sub': 1', '12, '(c) a rust and oxidation inhibitor selected from at least one mono- or poly-C-C-alkyl-substituted phenol, at least one arylamine and at least one mono- or polysubstituted triazole and mixtures of two or more of these components.'}2. The composition as claimed in claim 1 , comprising 0.05% to 1.5% by weight of component (b).3. The composition as claimed in or claim 1 , comprising 0.05% to 2% by weight of component (c) claim 1 , based in each case on the total weight of the composition.4. The composition as claimed in any of the preceding claims claim 1 , wherein the base oil component has a viscosity index of ≥120.5. The composition as claimed in any of the preceding claims claim 1 , wherein the base oil component (a) comprises at least one hydrocracked oil.6. The composition as claimed in any of the preceding claims claim 1 , wherein component (a) additionally comprises at least one further base oil component selected from mineral oils claim 1 , natural oils claim 1 , hydrogenated polyolefin oils claim 1 , poly-α-olefins claim 1 , alkyl esters of dicarboxylic acids claim 1 , esters of dicarboxylic acids with a polyglycol and a C-Calcohol claim 1 , C-C-alkyl esters ...

Synthetic lubricating oil compositions

A lubricating base stock comprising an alkyl aromatic, a blend of additives, a blend of oil soluble polyalkylene glycols and a blend of polyolefins. In the lubricating base stock, the blend of polyolefins comprises at least one metallocene polyolefin.

Lubricating compositions and methods for the use thereof

Disclosed herein are lubricating compositions and methods of use of the same, including for, e.g., use in metalworking operations.

PASSENGER CAR LUBRICATING OIL COMPOSITIONS FOR FUEL ECONOMY

The present disclosure generally relates to an internal combustion engine lubricating oil composition comprising: (a) a major amount of a base oil of lubricating viscosity; (b) a nitrogen-containing dispersant; (c) an alkaline earth metal containing detergent; (d) a compound comprising the reaction product of: (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, (ii) a source of boron, and (iii) a hydrocarbyl polyol, having at least three hydroxyl groups. 1. A passenger car internal combustion engine lubricating oil composition comprising:(a) a major amount of a base oil of lubricating viscosity, said base oil having a kinematic viscosity (Kv) at 100° C. of about 2.0 to about 12 centistokes (cSt);(b) a nitrogen-containing dispersant;(c) an alkaline earth metal non-borated containing detergent providing from about 0.03 to about 0.7 wt. % based on the metal content to the lubricating oil composition; (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof,', '(ii) a source of boron, and', '(iii) a hydrocarbyl polyol, having at least three hydroxyl groups., '(d) about 0.01 wt. % to about 2.0 wt. % of a compound comprising the reaction product of2. The lubricating oil composition of claim 1 , wherein the nitrogen-containing reactant is an alkyl alkanolamide claim 1 , an alkyl alkoxylated alkanolamide claim 1 , an alkyl alkanolamine claim 1 , an alkyl alkoxylated alkanolamine or mixtures thereof comprises a bis-ethoxy alkylamine or a bis-ethoxy alkylamide.3. The lubricating oil composition of claim 2 , wherein the alkyl group in the bis-ethoxy alkylamine comprises oleyl claim 2 , dodecyl claim 2 , or 2-ethylhexyl.4. The lubricating oil ...

LUBRICATING OIL COMPOSITIONS COMPRISING A BIODIESEL FUEL AND A DISPERSANT

This invention encompasses lubricating oil compositions comprising a base oil, a biodiesel fuel and a dispersant. A method for inhibiting viscosity increase in a diesel engine fueled at least in part with a biodiesel fuel is also described. 1. A lubricating oil composition contaminated with at least about 0.3 wt % of a biodiesel fuel or a decomposition product thereof , based on the total weight of the lubricating oil composition , comprising a major amount of base oil of lubricating viscosity; and a dispersant , said dispersant prepared by the process which comprises reacting [ [{'sub': 3', '28', '4', '28, '(a) at least one monoethylenically unsaturated C-Cmonocarboxylic acid or ester thereof, or C-Cdicarboxylic acid, anhydride or ester thereof;'}, '(b) at least one l-olefin comprising about 2 to 40 carbon atoms or at least one polyolefin comprising about 4 to 360 carbon atoms and having a terminal copolymerizable group in the form of a vinyl, vinylidene or alkyl vinylidene group or mixtures thereof; and', (1) an alkyl vinyl ether and an allyl alkyl ether where the alkyl group is hydroxyl, amino, dialkylamino or alkoxy substituted or is unsubstituted, and containing 1 to 40 carbon atoms;', '(2) an alkyl amine and an N-alkylamide of a monoethylenically unsaturated mono- or dicarboxylic acid of 3 to 10 carbon atoms wherein the alkyl substituent contains 1 to 40 carbon atoms;', '(3) a N-vinylcarboxamide of carboxylic acids of 1 to 8 carbon atoms;', '(4) a N-vinyl substituted nitrogen-containing heterocyclic compound; and', '(5) at least one l-olefin comprising about 2 to 40 carbon atoms or at least one polyolefin comprising about 4 to about 360 carbon atoms and having a terminal copolymerizable group in the form of a vinyl, vinylidene or alkyl vinylidene group or mixtures thereof, provided that the olefin employed is not the same as the olefin employed in (i)(b);, '(c) at least one monoolefin compound which is copolymerizable with the monomers of (a) and (b) and is ...

LUBRICATING OIL COMPOSITIONS COMPRISING A BIODIESEL FUEL AND A MANNICH CONDENSATION PRODUCT

This invention encompasses lubricating oil compositions comprising a base oil, a biodiesel fuel and a Mannich condensation product. A method for inhibiting viscosity increase in a diesel engine fueled at least in part with a biodiesel fuel is also described. 1. A lubricating oil composition contaminated with at least about 0.3 wt % of a biodiesel fuel or a decomposition product thereof , based on the total weight of the lubricating oil composition , wherein the lubricating oil composition comprises:a. a major amount of base oil of lubricating viscosity; andb. a Mannich condensation product.2. The lubricating oil composition of claim 1 , wherein the Mannich condensation product is prepared by the condensation of:a. a polyisobutyl-substituted hydroxyaromatic compound, wherein the polyisobutyl group is derived from polyisobutene containing at least about 70 wt. % methylvinylidene isomer and has a number average molecular weight of from about 400 to about 2,500,b. an aldehyde,c. an amino acid or ester derivative thereof, andd. an alkali metal base.3. The lubricating oil composition of claim 2 , wherein the polyisobutyl group of the polyisobutyl-substituted hydroxyaromatic compound is derived from polyisobutene containing at least about 90 wt. % methylvinylidene isomer.4. The lubricating oil composition of claim 2 , wherein the polyisobutyl group of the polyisobutyl-substituted hydroxyaromatic compound has a number average molecular weight in the range of from about 500 to about 2 claim 2 ,500.5. The lubricating oil composition of claim 2 , wherein the aldehyde is formaldehyde or paraformaldehyde claim 2 , the alkali metal base is an alkali metal hydroxide and the amino acid is glycine.7. The lubricating oil composition of further comprising at least one dispersant.8. The lubricating oil composition of claim 7 , wherein the dispersant is post-treated.9. The lubricating oil composition of claim 8 , wherein the post-treated dispersant is a boron post-treated dispersant.10. ...

DEFOAMING AGENT AND ASSOCIATED METHODS OF USE

Defoaming agents comprising a silicone oil and silica particulates, lubricating oil compositions comprising the defoaming agent, methods of lubrication using a lubricating oil composition comprising the defoaming agent, and methods of reducing the foaming tendency/stability and/or improving the air release rates of non-aqueous fluids, such as lubricant oils, are provided. 1. A lubricating oil composition comprising:a base oil; anda defoaming agent comprising (a) a silicone oil and (b) silica particulates.2. The lubricating oil composition of wherein the silicone oil comprises polydimethylsiloxane.3. The lubricating oil composition of wherein the silica particulates comprise hydrophobic fumed silica.4. The lubricating oil composition of wherein the silicone oil comprises polydimethylsiloxane and the silica particulates comprise hydrophobic fumed silica.5. The lubricating oil composition of wherein the silicone oil is present in the lubricating oil composition at a concentration of from about 0.1 to 500 ppm.6. The lubricating oil composition of wherein the silica particulates are present in the lubricating oil composition at a concentration of from about 0.1 to 500 ppm.7. The lubricating oil composition of wherein the silica particulates have a particle size of from about 1 to 1000 nm.8. The lubricating oil composition of wherein the base oil is present in an amount of 50 to more than 99.99 wt. % claim 1 , based on the total weight of the lubricating oil composition.9. A method comprising:applying a lubricating oil composition comprising a base oil; and a defoaming agent comprising (a) a silicone oil and (b) silica particulates to a surface in relative movement to another surface.10. The method of wherein the surface is a surface of a rotating member or a sliding member in a vehicle or industrial machine.11. The method of wherein the surface is in an engine claim 9 , a gear mechanism claim 9 , a speed-change gearbox claim 9 , a bearing claim 9 , a hydraulic apparatus ...

HYDRAULIC FLUIDS FROM RENEWABLE ISOPARAFFINS

A hydraulic fluid comprising a biobased base oil having hydrolytic stability. 1. A hydraulic fluid comprising a biobased hydrocarbon base oil having an average molecular weight (weight average) between 300 g/mol and 900 g/mol , and an additive package , the additive package comprising an anti-oxidant.2. A hydraulic fluid comprising a biobased hydrocarbon base oil , the hydraulic fluid having a biodegradable rate in excess of 60% as determined in accordance with OECD 301B.3. A hydraulic fluid comprising a biobased base oil having the molecular structure:{'br': None, 'sub': n', 'm, '[B]—[P]'} [B] is biobased hydrocarbon repeating unit;', '[P] is non-biobased hydrocarbon repeating unit;', 'n is greater than 1, and m is less than 4;', 'the stereoscopic arrangement of [B] and [P] repeating unit can be linear, branched, and cyclic.', 'the sequential arrangement of [B] and [P] can be block, alternating or random; and', 'the molecular weight is in range of 300 g/mol to 900 g/mol; and', 'the biobased content of the hydraulic fluid is greater than 20%, as measured by ASTM D6866-12., 'wherein,'}4. A hydraulic fluid comprising a biobased base oil , wherein at least about 20% of the carbon atoms in the biobased base oil originate from renewable carbon sources and the hydraulic fluid meets Denison Hydraulics standard HF-0.5. A hydraulic fluid comprising a biobased base oil , wherein at least about 20% of the carbon atoms in the biobased base oil originate from renewable carbon sources and the hydraulic fluid has a TAN <2 at 1000 hours as determined in accordance with ASTM D943-04a (2010)e1.6. A hydraulic fluid comprising a biobased hydrocarbon base oil , wherein at least about 20% of the carbon atoms in the biobased base oil originate from renewable carbon sources and the hydraulic fluid has a pour point of less than 40° C.7. A hydraulic fluid comprising a biobased hydrocarbon base oil , the hydraulic fluid being compatible with and suitable for mixing with a Group I , Group II ...

Lubricating Composition Containing a Self-Assembling Polymethacrylate Block Copolymer and an Ethylene-a-Olefin Copolymer

The invention provides a lubricating composition comprising an oil of lubricating viscosity and synergistic mixture of a functionalized ethylene-α-olefin copolymer, a poly(meth)acrylate block polymer having a substantially oil soluble block and a substantially oil insoluble block. The invention also provides a method of lubricating a mechanical device using such a lubricating composition. 1. A lubricating composition comprising(a) an oil of lubricating viscosity;(b) an ethylene-α-olefin copolymer, wherein the ethylene-α-olefin copolymer is grafted with a polar moiety; and{'sub': 1', '2, '(c) a poly(meth)acrylate polymer wherein the poly(meth)acrylate polymer comprises a block or tapered block copolymer (P) comprising a first block (B) which is substantially insoluble in the base oil and a second block (B) which is substantially soluble in the base oil.'}2. The lubricating composition of claim 1 , wherein the poly(meth)acrylate polymer comprises a linear polymer having a weight-average molecular weight of 10 claim 1 ,000 Da to 100 claim 1 ,000 Da.3. The lubricating composition of claim 1 , wherein the first block (B) comprises at least 50 mol % Cto C(meth)acrylate derived units.4. The lubricating composition of claim 1 , wherein the first block (B) consists essentially of Cto C(meth)acrylate derived units5. The lubricating composition of claim 1 , wherein the first block (B) comprises at least 50 mol % of an aromatic functional (meth)acrylate derived unit.6. The lubricating composition of claim 1 , wherein the and the second block (B) comprises at least 50 mol % Cto C(meth)acrylate derived units.7. The lubricating composition of claim 1 , wherein the second block (B) consists essentially of Cto C(meth)acrylate derived units.81. The lubricating composition claim 1 , wherein the first block (B) comprises at least 50 mol % at least two of C claim 1 , C claim 1 , Cor C(meth)acrylate derived units and the second block (B) comprises at least 50 mol % of at least two of C ...

COMPRESSOR OIL WITH BIOBASED BASE OIL

A biodegradable compressor oil comprising a biobased hydrocarbon base oil. 1. A compressor oil comprising a biobased hydrocarbon base oil , wherein the biobased hydrocarbon base oil has renewable carbon content greater than 40 wt % as measured by ASTM-D6866-12 , and at least one antioxidant wherein the oxidative stability of the compressor oil is at least 1 ,000 minutes as determined by ASTM-D2272-11.2. The compressor oil of wherein the hydrocarbon base oil comprises a biobased terpene selected from the group consisting of myrcene claim 1 , ocimene claim 1 , farnesene claim 1 , and combinations thereof.3. The compressor oil of or wherein the biobased hydrocarbon base oil constitutes about 25 wt % to about 99.999 wt % of the compressor oil.4. The compressor oil of wherein the additive is selected from the group consisting of antioxidants claim 3 , corrosion and rust inhibitors claim 3 , viscosity modifiers claim 3 , pour point depressants claim 3 , metal deactivators claim 3 , anti-foaming agents claim 3 , friction modifiers claim 3 , extreme pressure additives claim 3 , anti-wear agents claim 3 , additive oils and combinations thereof.5. The compressor oil of wherein the additive is an additive oil selected from the group consisting of microbial oils claim 4 , vegetable oils claim 4 , seed oils claim 4 , mineral oils claim 4 , isoparaffinic hydrocarbon fluids claim 4 , silicone fluids claim 4 , synthetic esters claim 4 , poly-alpha-olefins claim 4 , polysiloxanes claim 4 , pentaerythritol esters claim 4 , poly (butane) liquids claim 4 , and combinations thereof.6. The compressor oil of wherein air release speed of such compressor oil is less than 3 minutes as determined by ASTM-D3427-12.7. The compressor oil of wherein air release speed of such compressor oil is less than 2 minutes as determined by ASTM-D3427-12.8. The compressor oil of any preceding claim wherein the oxidative stability of the compressor oil is at least 2 claim 1 ,000 minutes as determined by ASTM- ...

LUBRICATING OIL COMPOSITION

The present invention provides a lubricating oil composition including a viscosity index improver (A) containing a comb-shaped polymer and having an SSI (shear stability index) of 30 or less together with a base oil, wherein an HTHS viscosity (high temperature high shear viscosity) at 150° C. (T) is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. (V) [mm/s] to the HTHS viscosity at 150° C. (T) [mPa·s] (V/T) is 12.4 or less. The lubricating oil composition of the present invention is excellent in fuel consumption reducing properties in a low-temperature region assuming the time of starting an engine while making various properties, such as a viscosity, etc., in a high-temperature region assuming the time of high-speed operation of an engine favorable. 1. A lubricating oil composition , comprisinga viscosity index improver (A) containing a comb-shaped polymer and having a shear stability index of 30 or less, anda base oil,wherein{'sup': '2', 'a high temperature high shear viscosity at 150° C. is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. in mm/s to the high temperature high sheer viscosity at 150° C. is 12.4 or less.'}2. The lubricating oil composition according to claim 1 , wherein a content of the comb-shaped polymer is 0.01 to 10.00 mass % based on a total amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein a weight average molecular weight of the comb-shaped polymer is 10 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.4. The lubricating oil composition according to claim 1 , wherein a molecular weight distribution Mw/Mn of the comb-shaped polymer claim 1 , where Mw represents a weight average molecular weight of the comb-shaped polymer claim 1 , and Mn represents a number average molecular weight of the comb-shaped polymer claim 1 , is 6.00 or less.5. The lubricating oil composition according to claim 1 , wherein the comb-shaped polymer is a polymer comprising at least a ...

FRICTION MODIFIER COMPOSITION FOR LUBRICANTS

Combining a metal based friction modifier, such as a molybdenum dialkyldithiocarbamate, and certain esters of hydroxy carboxylic acids, such as short chain alkyl esters of citric or tartaric acid, e.g., tributyl citrate, has a synergistic effect on lowering the friction coefficient of lubricating oils allowing one to reduce the amount of metal based friction modifier needed to adequately formulate a lubricant with low friction characteristics. 1. A lubricant composition comprising:A) 70 wt % or more of a petroleum based automotive motor lubricating oil, and i) a metal based friction modifier selected from the group of molybdenum dialkyldithiocarbamates, and', 'ii) from a hydroxy carboxylic ester selected from the group consisting of triethyl citrate, tripropyl citrate and tributyl citrate;, 'B) a mixture of'}in a weight ratio of i) to ii) of about 1:3.2. The lubricant composition according to wherein the mixture B) is present from about 1 wt % to about 3 wt % claim 1 , based on the total weight of the lubricant composition.3. The lubricant composition according to wherein the mixture B) is present at about 3 wt %.4. The lubricant composition according to further comprising one or more additional lubricant additive selected from the group consisting of dispersants claim 1 , detergents claim 1 , corrosion/rust inhibitors claim 1 , antioxidants claim 1 , anti-wear agents claim 1 , anti-foamants claim 1 , friction modifiers claim 1 , seal swell agents claim 1 , demulsifiers claim 1 , V.I. improvers and pour point depressants.5. The lubricant composition according to further comprising one or more additional lubricant additive selected from the group consisting of dispersants claim 2 , detergents claim 2 , corrosion/rust inhibitors claim 2 , antioxidants claim 2 , anti-wear agents claim 2 , anti-foamants claim 2 , friction modifiers claim 2 , seal swell agents claim 2 , demulsifiers claim 2 , V.I. improvers and pour point depressants.6. The lubricant composition ...

FUNCTIONAL FLUID COMPOSITIONS CONTAINING EROSION INHIBITORS

A functional fluid composition containing a fluid base stock (e.g., a phosphate ester fluid base stock) as a major component, and an erosion inhibitor mixture as a minor component. The erosion inhibitor mixture contains at least a first erosion inhibitor (e.g., a perhalometallate or perhalometalloidate salt) and a second erosion inhibitor (e.g., an alkali metal salt of perfluoroalkyl sulfonic acid). Erosion inhibition of the functional fluid composition is improved as compared to erosion inhibition achieved using singly the first erosion inhibitor or the second erosion inhibitor, as measured by one or more of ASTM D2624, ASTM D974, ASTM D130 and ASTM D6304. A method for operating and lubricating a hydraulic system by utilizing as a hydraulic fluid, the functional fluid composition. A method for identifying erosion inhibition effectiveness of the functional fluid. The functional fluids are useful as aircraft hydraulic fluids. 2. The functional fluid composition of wherein the one or more phosphate ester fluid base stocks comprise trialkyl phosphate claim 1 , dialkyl aryl phosphate claim 1 , alkyl diaryl phosphate claim 1 , triaryl phosphate claim 1 , or mixtures thereof.3. The functional fluid composition of wherein the one or more phosphate ester fluid base stocks comprise tri-n-butyl phosphate claim 1 , tri-isobutyl phosphate claim 1 , n-butyl di-isobutyl phosphate claim 1 , di-isobutyl n-butyl phosphate claim 1 , n-butyl diphenyl phosphate claim 1 , isobutyl diphenyl phosphate claim 1 , di-n-butyl phenyl phosphate claim 1 , di-isobutyl phenyl phosphate claim 1 , tri-n-pentyl phosphate claim 1 , tri-isopentyl phosphate claim 1 , triphenyl phosphate claim 1 , isopropylated triphenyl phosphates claim 1 , butylated triphenyl phosphates claim 1 , or mixtures thereof.4. The functional fluid composition of wherein claim 1 , in the one or more phosphate ester fluid base stocks claim 1 , R claim 1 , Rand Rare independently a substituted or unsubstituted alkyl group having ...

REFRIGERATOR OIL COMPOSITION, AND REFRIGERATION DEVICE

Provided is a refrigerator oil composition for a refrigerant containing an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by a general formula (I): CFR, wherein R each independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3. The composition contains a base oil (P) including one or more kinds selected from polyvinyl ethers, polyalkylene glycols, copolymers of a poly(oxy)alkylene glycol or a monoether thereof and polyvinyl ethers, and a polyol ester. The kinematic viscosity at 100° C. of the base oil (P) is 2.00 to 50.00 mm/s, and the hydroxyl value thereof is 5.0 mgKOH/g or less. The refrigerator oil composition is excellent in compatibility with a refrigerant containing an unsaturated fluorinated compound having 2 carbon atoms and having a specific atom, and is also excellent in thermal stability. 1. A refrigerator oil composition comprising: {'br': None, 'sub': 2', 'p', '4-p, 'CFR\u2003\u2003(I)'}, '(i) a refrigerant comprising an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by formula (I)wherein R at each instance independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3; and(ii) a base oil (P) which comprises one or more selected from the group consisting of a polyvinyl ether, a polyalkylene glycol, a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester;{'sup': '2', 'wherein the base oil (P) has a kinematic viscosity at 100° C. of 2.00 to 50.00 mm/s and a hydroxyl value of 5.0 mgKOH/g or less.'}3. The refrigerator oil composition according to claim 1 , wherein the base oil (P) comprises the polyvinyl ether claim 1 , and the polyvinyl ether is a polymer which has an alkyl group having 1 to 4 carbon atoms in a side chain thereof.4. The refrigerator oil composition ...

LUBRICANT COMPOSITION FOR GASOLINE ENGINE AND METHOD FOR PRODUCING SAME

Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium detergent, wherein the content of the calcium detergent as converted into a calcium atom and a mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] fall within the specific ranges. 1: A lubricating oil composition , comprising a base oil , a calcium detergent , and a magnesium detergent and/or a sodium detergent , whereina content of the calcium detergent as converted into a calcium atom is less than 2,000 ppm by mass on a basis of the whole amount of the composition, anda mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] is 0.05 to 1.50.2: The lubricating oil composition according to claim 1 , further comprising a poly(meth)acrylate.3: The lubricating oil composition according to claim 1 , wherein the content of the calcium detergent as converted into a calcium atom is 800 to 1 claim 1 ,800 ppm by mass on a basis of the whole amount of the composition.4: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 ppm by mass or more on a basis of the whole amount of the composition.5: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 to 1 claim 1 ,500 ppm by mass on a basis of the whole amount of the composition.6: The lubricating oil composition according to claim 1 , further comprising a succinimide and/or a boron-containing ...

LOW VISCOSITY LOW VOLATILITY LUBRICATING OIL BASE STOCKS AND METHODS OF USE THEREOF

A lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. The lubricating oil base stock has a high temperature high shear (HTHS) viscosity of less than about 1.7 cP as determined by ASTM D4683, and a Noack volatility from about 15 to about 90 percent as determined by ASTM D5800. A lubricating oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. A method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. 2. The lubricating oil base stock of wherein each Ris the same or different and is a substituted or unsubstituted alkyl group (C-C) claim 1 , each Ris the same or different and is hydrogen or a substituted or unsubstituted alkyl group (C-C) claim 1 , alkenyl group (C-C) claim 1 , alkoxy group (C-C) claim 1 , aryl group (C-C) claim 1 , or arylalkyl group (C-C) claim 1 , m claim 1 , n claim 1 , x and z are independently a value from about 2 to about 8 claim 1 , and y is a value from about 0 to about 8.3. The lubricating oil base stock of wherein each Ris the same or different and is a substituted or unsubstituted alkyl group (C-C) claim 1 , each Ris the same or different and is hydrogen or a substituted or unsubstituted alkyl group (C-C) claim 1 , alkenyl group (C-C) claim 1 , alkoxy group (C-C) claim 1 , aryl group (C-C) claim 1 , or arylalkyl group (C-C) claim 1 , m claim 1 , n claim 1 , x and z are independently a value from about 2 to about 8 claim 1 , and y is a value from about 0 to about 8.4. The lubricating oil base stock of which is selected from the group consisting of 2-hexyl-1- ...

LUBRICANT COMPOSITIONS CONTAINING BETA-GLUCANS

The presently claimed invention relates to a lubricant composition comprising at least one beta-glucan, optionally in form of one of its derivatives, at least one base oil, at least one additive component, and optionally water; the use of said lubricant compositions for reducing wear in metal-on-metal contact and the use of at least one beta-glucan for reducing the friction coefficient of a lubricant composition. 115.-. (canceled)16. A lubricant composition comprisinga) ≧0.01 to ≦10% by weight of at least one beta-glucan, optionally in form of one of its derivatives,b) ≧70 to ≦99.99% by weight of at least one base oil selected from the group consisting of Group I mineral oils, Group II mineral oils, Group III mineral oils, Group IV oils and Group V oils,c) ≧0.0 to ≦30% by weight of at least one additive component, andd) ≧0.0 to ≦50% by weight water,whereby the sum of the weight percentages of the components a), b), c) and d) does not exceed 100% by weight.17. The lubricant composition according to claim 16 , whereby the lubricant composition comprises ≧0.01 to ≦1.0% by weight of at least one beta-glucan claim 16 , optionally in form of one of its derivatives.18. The lubricant composition according to claim 16 , whereby the lubricant composition comprises ≧80 to ≦99.9% by weight of at least one base oil selected from the group consisting of Group I mineral oils claim 16 , Group II mineral oils claim 16 , Group III mineral oils claim 16 , Group IV oils and Group V oils.19. The lubricant composition according to claim 16 , whereby the lubricant composition comprises ≧0.01 to ≦30% by weight of at least one additive component.20. The lubricant composition according to claim 16 , whereby the lubricant composition comprises ≧0.1 to ≦50% by weight water.21. The lubricant composition according to claim 16 , whereby the beta-glucan is selected from the group consisting of schizophyllan claim 16 , scleroglucan claim 16 , paramylon claim 16 , pachyman claim 16 , cellulose claim ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition for a metal belt-type continuously variable transmission with a high metal-to-metal friction coefficient and excellent anti-fatigue and anti-seizure properties is provided. The composition contains a lubricating base oil and (A) a high overbased alkaline earth metal sulfonate having a base number of 300 to 500 mgKOH/g in an amount of 0.01 to 0.03 percent by mass as alkaline earth metal, (B) a low overbased alkaline earth metal sulfonate with a base number of 0 to 40 mgKOH/g in an amount of 0.005 to 0.015 percent by mass as alkaline earth metal, and (C) a sulfur-containing phosphite ester in an amount of 0.02 to 0.06 percent by mass as phosphorus. The ratio ([M]/[P]) of the content of (B) as alkaline earth metal ([M]) to the content of (C) as phosphorus ([P]) is 0.15 or greater. 2. The lubricating oil composition for a metal belt-type continuously variable transmission according to further comprising (D) a phosphite ester and/or an orthophosphate ester in such an amount that the amount of phosphorous in the lubricating oil composition is the range of up to 0.08 percent by mass or less.3. The lubricating oil composition for a metal belt-type continuously variable transmission according to further comprising at least one type selected from the group consisting of friction modifiers claim 1 , metallic detergents claim 1 , viscosity index improvers claim 1 , pour point depressants claim 1 , anti-oxidants claim 1 , corrosion inhibitors claim 1 , and anti-foamers.4. The lubricating oil composition for a metal belt-type continuously variable transmission according to further comprising at least one type selected from the group consisting of friction modifiers claim 2 , metallic detergents claim 2 , viscosity index improvers claim 2 , pour point depressants claim 2 , anti-oxidants claim 2 , corrosion inhibitors claim 2 , and anti-foamers. The present invention relates to lubricating oil compositions, in particular to a lubricating oil ...

OPTIMIZED COMPOSITION FOR ENGINE DEPOSITS AND SEALS

The present disclosure is directed to an additive composition for engine oils comprising; (a) an alkenyl-substituted succinic anhydride and (b) a polyamine compound and (C) Co-additives, wherein the reaction product has a ratio of the amide to imide infrared absorption peak areas of about 1:1.2 to about 1.6. The said reaction product is effective to prevent engine deposits along with protecting elastomeric seal material of an internal combustion engine and also improves piston cleanliness and ring sticking performance of an internal combustion engine. 1. A reaction product derived from (A) an alkenyl-substituted succinic anhydride and (B) a polyamine compound and wherein said reaction product has a ratio of the amide to imide infrared absorption peak areas of about 1:1.2 to about 1.6; in combination of (C) co-additives.2. The composition as claimed in claim 1 , wherein the molar ratio of the succinic agent of the primary Nitrogen of the polyamine is less than 1.3. The composition as claimed in claim 1 , wherein the alkenyl-substituted succinic anhydride is a dispersant comprising polyisobutylene succinic anhydride.4. The composition as claimed in claim 3 , wherein the said dispersant is formed by blend of various dispersants.5. The composition as claimed in claim 3 , wherein the said blend comprises of a bisimide claim 3 , with or without borati on claim 3 , and a dispersant as claimed in .6. The composition as claimed in claim 5 , wherein the said bisimide is having a ratio of succinic to primary amine between 0.9 and 1.2.7. The composition as claimed in claim 5 , wherein the molar amount of boron in the dispersant is in the range of 0.01-250% moles of Nitrogen.8. The composition as claimed in - claim 5 , wherein the blend of polyisobutylene succinic anhydride has a number average molecular weight of about 1400 to about 2500 and satisfy the ratio of amide to imide as claimed in .9. The composition as claimed in claim 1 , wherein the moles of anhydride in the ...

LUBRICATING COMPOSITION COMPRISING AN ANTI-KNOCK COMPOUND

The disclosure relates to the use of a lubricating composition including at least one base oil and at least one organic compound for reducing, or even eliminating, knocking in the engine of vehicles, preferably motor vehicles. 3. The method according to wherein R5 and R6 represent a hydrogen atom.4. The method according to wherein R1 claim 2 , R2 claim 2 , R3 and R4 represent a hydrogen atom.6. The method according to wherein R7 claim 5 , R8 claim 5 , R9 and R10 represent a hydrogen atom.7. The method according to wherein R1 claim 5 , R2 claim 5 , R3 and R4 represent a hydrogen atom.9. The method according to wherein R15 and R16 represent a hydrogen atom.10. The method according to wherein R11 claim 8 , R12 claim 8 , R13 and R14 represent a hydrogen atom.11. The method according to wherein R1 claim 8 , R2 claim 8 , R3 and R4 represent a hydrogen atom.12. The method according to wherein the mass content of the compound of formula (I) ranges from 0.5 to 25% relative to the total mass of the lubricant composition.13. The method according to claim 1 , wherein the lubricant composition further comprises at least one additive selected from detergents claim 1 , friction modifiers claim 1 , dispersants claim 1 , anti-wear additives claim 1 , extreme-pressure additives claim 1 , antioxidants claim 1 , viscosity index improver polymers claim 1 , pour point depressants claim 1 , anti-foaming agents claim 1 , thickeners and mixtures thereof. This application is a National Phase Entry of International Patent Application No. PCT/EP2015/066736, filed on Jul. 22, 2015, which claims priority to French Patent Application Serial No. 14 57 162, filed on Jul. 24, 2014, both of which are incorporated by reference herein.The present invention relates to the field of lubricants, more particularly to the field of engine lubricants. More particularly, the present invention relates to the use of a lubricant composition for reducing knock in a vehicle engine, said lubricant composition ...

LUBRICANT COMPOSITION FOR GASOLINE ENGINE AND METHOD FOR PRODUCING SAME

Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium detergent, wherein the content of the calcium detergent as converted into a calcium atom and a mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] fall within the specific ranges. 1. A lubricating oil composition , comprising a base oil , a calcium detergent , and a magnesium detergent and/or a sodium detergent , whereina content of the calcium detergent as converted into a calcium atom is less than 2,000 ppm by mass on a basis of the whole amount of the composition, anda mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] is 0.05 to 1.50.2. The lubricating oil composition according to claim 1 , further comprising a poly(meth)acrylate.3. The lubricating oil composition according to claim 1 , wherein the content of the calcium detergent as converted into a calcium atom is 800 to 1 claim 1 ,800 ppm by mass on a basis of the whole amount of the composition.4. The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 ppm by mass or more on a basis of the whole amount of the composition.5. The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 to 1 claim 1 ,500 ppm by mass on a basis of the whole amount of the composition.6. The lubricating oil composition according to claim 1 , further comprising a succinimide and/or a boron-containing ...

Method for improving engine fuel efficiency

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. % of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines.

DEFOAMING AGENT AND LUBRICATING OIL COMPOSITION

A defoaming agent including a polymer, the polymer including a repeating unit represented by the following general formula (1); and a repeating unit represented by the following general formula (3): 3. The defoaming agent according to claim 2 ,{'sup': '3', 'wherein Xis a repeating unit obtainable by polymerization of a third (meth)acryloyl group.'}4. The defoaming agent according to claim 1 ,{'sup': '2', 'wherein Xis a repeating unit obtainable by polymerization of a second (meth)acryloyl group; and'}{'sup': '1', 'Xis a repeating unit obtainable by polymerization of a first (meth)acryloyl group.'}5. The defoaming agent according to claim 1 ,wherein the polymer comprises the repeating unit represented by the general formula (1) in an amount of no less than 10 mass % on the basis of the total mass of all repeating units in the polymer.6. The defoaming agent according to claim 1 ,wherein the polymer has a weight average molecular weight of 10,000 to 1,000,000.7. A lubricating oil composition comprising:(A) a lubricant base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(B) the defoaming agent as in , in an amount of 1 to 100 mass ppm in terms of silicon on the basis of the total mass of the composition.'}8. The lubricating oil composition according to claim 7 , which is a lubricating oil for an automobile engine claim 7 , an automobile transmission claim 7 , or an automobile transaxle unit. The present invention relates to defoaming agents, and lubricating oil compositions containing the defoaming agents.Lubricating oil is used in various kinds of machinery so as to improve lubricity between members. Increase of foaming of the lubricating oil may lead to insufficient lubrication, failure to control hydraulic pressure, deteriorated cooling efficiency, and so on. Thus, lubricating oil is required to suppress foaming.For example, automobile engines, transmissions, and axle units are demanding increasingly more from lubricating oil, accompanying their recent ...

METHOD FOR IMPROVING HIGH TEMPERATURE ANTIFOAMING PERFORMANCE OF A LUBRICATING OIL

This disclosure provides a method for improving high temperature antifoaming performance of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition with a lubricating oil base stock as a major component, and at least one silicone antifoaming agent, as a minor component. The silicone antifoaming agent is delivered to the lubricating oil by contacting the lubricating oil with a cured silicone (e.g., room temperature vulcanized (RTV) silicone) at a temperature, and for a period of time, sufficient to deliver silicone to the lubricating oil. The delivered silicone is soluble in the lubricating oil. The lubricating oils are useful as passenger vehicle engine oils (PVEO) and commercial vehicle engine oils (CVEO). 1. A method for delivering a silicone antifoaming agent to a lubricating oil , said method comprising contacting the lubricating oil with a cured silicone at a temperature , and for a period of time , sufficient to deliver silicone to the lubricating oil; wherein the delivered silicone is soluble in the lubricating oil.2. The method of wherein claim 1 , in an engine or other mechanical component lubricated with the lubricating oil claim 1 , high temperature antifoaming performance is improved as compared to high temperature antifoaming performance achieved using a lubricating oil containing a silicone antifoaming agent delivered from uncured silicone claim 1 , as determined by ASTM D6082 or ASTM D892 Sequence II.3. The method of wherein the cured silicone comprises room temperature vulcanized (RTV) silicone.4. The method of wherein the temperature is from 10° C. to 30° C. claim 1 , and the period of time is from 1 hour to 240 hours.5. The method of wherein the room temperature vulcanized (RTV) silicone comprises low molecular weight leachates.6. The method of wherein the low molecular weight leachates exhibit a bimodal molecular weight ...

Hydraulic fluids in plastic injection molding processes

The present invention relates to the use of hydraulic fluids in plastic injection molding processes. Thereby it was surprisingly found that the use of hydraulic fluids with the right combination of physical parameters like the viscosity grade, the viscosity index, the density and the dispersancy allows for significant energy savings in plastic injection molding processes (PIM). The PIM process is an industrial process to manufacture plastic parts at well controlled temperatures, pressures and cycle times. The energy consumption of the process became more important over the last years, however, other parameters like process stability and accuracy of plastic part parameters as well as machine protection and long oil drain intervals have to be satisfying.

LUBRICATING OIL COMPOSITION, METHOD FOR DEFOAMING LUBRICATING OIL, AND DEFOAMING AGENT COMPOSITION

A lubricating oil composition including: a lubricant base oil; (A) a first defoaming agent obtainable by a process, the process including the step of: polymerizing (b) at least one defoaming agent monomer in (a) a polymerization solvent under coexistence of (c) a polymer soluble in the polymerization solvent; and (B) a second defoaming agent being a silicone defoaming agent. 3. The lubricating oil composition according to claim 1 ,wherein a ratio of a content of the (A) first defoaming agent in terms of silicon toa content of the (B) second defoaming agent in terms of silicon is 0.01 to 100.4. The lubricating oil composition according claim 1 ,wherein the polymerizing step is carried out by dispersion polymerization; andthe (c) polymer soluble in the polymerization solvent is (cl) a polymer dispersant.5. The lubricating oil composition according to claim 4 ,the (a) polymerization solvent comprising a hydrocarbon solvent having 6 or more carbons, a mineral oil, a synthetic oil, or an ester oil, or combination thereof.6. The lubricating oil composition according to claim 4 ,the (c1) polymer dispersant comprising a polyalkyl (meth)acrylate having a weight average molecular weight of 10,000 to 1,000,000.7. The lubricating oil composition according to claim 1 ,wherein the polymerizing is carried out by solution polymerization.8. The lubricating oil composition according to claim 7 ,the (c) polymer soluble in the polymerization solvent comprising a polyalkyl (meth)acrylate having a weight average molecular weight of 10,000 to 1,000,000.10. The method according to claim 9 ,the diluting solvent comprising a hydrocarbon solvent having 6 or more carbons, a mineral oil, a synthetic oil, an ester oil, an aliphatic ether having 4 or more carbons, an ester of an aliphatic monocarboxylic acid having 2 or more carbons and a monoalcohol having 1 to 5 carbons, an aliphatic ketone having 3 or more carbons, an aliphatic alcohol having 4 or more carbons, or a halogenated hydrocarbon, or ...

Emulsifier for Lubricating Oil Concentrate

The present disclosure provides a lubricating oil concentrate containing an ethoxylated ether amine and a base oil. The lubricating oil concentrate is capable of forming a stable, low foaming emulsion when added to an aqueous medium and may be useful in metalworking and cleaning fluids. 2. The water-miscible lubricating oil concentrate of claim 1 , wherein R=a straight chain or branched alkyl group having from 12 to 16 carbon atoms.3. The water-miscible lubricating oil concentrate of claim 1 , wherein y=an integer from 2 to 6.4. The water-miscible lubricating oil concentrate of claim 1 , wherein n=an integer from 5 to 20 and x=an integer from 4 to 19.5. The water-miscible lubricating oil concentrate of claim 1 , wherein the base oil is a petroleum-based oil.6. The water-miscible lubricating oil concentrate of claim 5 , wherein the petroleum-based oil is selected from naphthalenic oil claim 5 , paraffinic oil claim 5 , crude oil claim 5 , diesel oil claim 5 , mineral seal oil claim 5 , kerosene claim 5 , fuel oil claim 5 , white oil and aromatic oil.7. The water-miscible lubricating oil concentrate of claim 1 , further comprising a surfactant and/or water.9. A stable claim 1 , low foaming aqueous emulsion comprising the water-miscible lubricating oil concentrate of and water.10. A metalworking or cleaning fluid comprising an aqueous emulsion wherein the aqueous emulsion comprises an oil phase dispersed in a continuous aqueous medium claim 1 , the oil phase comprising the water-miscible lubricating oil concentrate of and the aqueous medium comprising water. This application is a continuation application of U.S. patent application Ser. No. 14/363,355, filed Aug. 25, 2014, pending, which is the National Phase of International Application PCT/CN2012/077577 filed Jun. 27, 2012 which designated the United States. The noted applications are incorporated herein by reference.The present disclosure is directed to an ethoxylated ether amine useful in preparing water-miscible ...

Industrial Fluid

An industrial fluid is disclosed. The fluid comprises an oleaginous component, an aqueous component, and a surfactant dispersed in the aqueous component. The industrial fluid does not contain defoamers or anti-foam compounds. The surfactant is bound within micelles of the oleaginous component and the aqueous component. 1. Industrial fluid comprising an emulsion of:An oleaginous component;An aqueous component; andA surfactant;wherein either the oleaginous component or the aqueous component forms micelles with the surfactant, and wherein the industrial fluid does not contain insoluble defoamers or anti-foam compounds to compensate for foaming.2. Industrial fluid as claimed in claim 1 , wherein substantially all of the surfactant is bound within micelles of the oleaginous or the aqueous component claim 1 , such that there is substantially no unbound surfactant present in the fluid.3. Industrial fluid as claimed in or claim 1 , wherein claim 1 , in use claim 1 , the industrial fluid is undiluted claim 1 , diluted with a diluent or an additive for a carrier fluid.4. Industrial fluid as claimed in claimed in claim 1 , or claim 1 , wherein the average micelle diameter follows a Gaussian distribution having a mean μ claim 1 , and wherein the standard deviation σ is less than or equal to 0.2μ.5. Industrial fluid as claimed in any of to claim 1 , wherein the mean average diameter of the micelles is ≤0.3 μm.6. Industrial fluid as claimed in any preceding claim claim 1 , wherein the micelle is a normal-phase micelle claim 1 , and the oleaginous component forms the centre of the micelle.7. Industrial fluid as claimed in claim 6 , wherein the surface comprises at least one surfactant monomer layer.8. Industrial fluid as claimed in any preceding claim claim 6 , wherein the structure of the surfactant dictates the structure of the micelle.9. Industrial fluid as claimed in any of to claim 6 , wherein the micelle is an inverse-phase micelle claim 6 , and at least some of the aqueous ...

HIGH PERFORMANCE ENVIRONMENTALLY ACCEPTABLE HYDRAULIC FLUID

A novel hydraulic (e.g., a biohydraulic) fluid which has high performance attributes is disclosed herein. Such a novel hydraulic fluid includes a contribution of a range of 10% up to about 85% by weight of at least one of: natural esters, synthetic esters, polyols, a vegetable oil, 1% up to about 40% by weight of polyalphaolefin (PAO), 1% up to about 40% by weight of polyalkylene glycol (PAG), and mixtures thereof, and wherein up to about 10% by weight quantity of one or more additives are introduced to provide desired properties that include at least one of: a high viscosity index, a low pour point, a hydrolytic stability, and an oxidative stability, as part of the hydraulic fluid contribution. 1. A hydraulic fluid , comprising:a contribution of a range of 10% up to about 85% by weight of at least one of: natural esters, synthetic esters, polyester, a natural oil, 1% up to about 40% by weight of polyalphaolefin (PAO), 1% up to about 40% by weight of polyalkylene glycol (PAG), and mixtures thereof; andwherein up to about 10% by weight quantity of one or more additives are introduced to provide desired properties that include at least one of: a high viscosity index, a low pour point, a hydrolytic stability, and an oxidative stability, as part of the hydraulic fluid contribution.2. The hydraulic fluid of claim 1 , wherein the natural and synthetic esters are at least one of: vegetable-based and animal-based oils.3. The hydraulic fluid of claim 1 , wherein the polyesters are selected from: neopentyl glycol dioleate (diester) claim 1 , trimethylolpropane trioleate (TMPTO) (triester) claim 1 , and pentaerythritol tetraoleate (tetraester).4. The hydraulic fluid of claim 1 , wherein additives are selected from at least one of:antioxidants, antiwear agents, corrosion inhibitors, pour point depressants, viscosity modifiers and antifoam agents.5. The hydraulic fluid of claim 4 , wherein pour point depressant additives are mixed in the hydraulic fluid to avoid gelling.6. The ...

METHOD FOR IMPROVING LUBRICANT ANTIFOAMING PERFORMANCE AND FILTERABILITY

A method for improving filterability, while maintaining or improving antifoaming performance, of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil. A method for improving antifoaming performance, while maintaining or improving filterability, of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and at least one antifoam agent, as a minor component. A lubricating oil having a composition including a lubricating oil base stock as a major component, and at least one antifoam agent, as a minor component. The antifoam agent is a silicone composition having a highly branched functionalized silicone backbone. The lubricating oils are useful as automotive gear lubricating compositions. 2. The method of wherein Rand Rare both methyl groups.3. The method of wherein m is an integer between about 10 to about 14.4110. The method of wherein x is an integer in the range between about 6 to about .5. The method of wherein said compound derived from said partially esterified ester residue is a partially esterified alcohol.7. The method of wherein said functional alcohol is selected from the group consisting of: ethylene glycol claim 6 , propylene glycol claim 6 , butylene glycol claim 6 , polyethylene glycol claim 6 , neopentyl glycol claim 6 , polypropylene glycol claim 6 , glycerin claim 6 , trimethylolethane claim 6 , trimethylolpropane claim 6 , pentaerythritol claim 6 , di-pentaerythritol claim 6 , tri-pentaerythritol claim 6 , and a mixture thereof.8. The method of wherein said compound derived from said partially esterified ester residue is a partially esterified acid.9. The method of wherein said mono-hydroxy-terminated partially esterified acid is derived from di- claim 8 , tri- or tetra- ...

Lubrication oil composition with enhanced wear and low speed pre-ignition properties

A lubricating oil composition having a sulfated ash content of from greater than 1.0 wt. % to about 2.0 wt. %, a phosphorus content of from about 0.07 to about 0.12 wt. % and a sulfur content of 0.4 wt. % or less, the lubricating oil composition comprising: (a) an oil of lubricating viscosity in a major amount; (b) an overbased magnesium detergent, in an amount providing the lubricating oil composition with at least 600 ppm of magnesium; (c) a boron-containing compound, in an amount providing the lubricating oil composition with at least 250 ppm of boron; and (d) a molybdenum-containing compound, in an amount providing the lubricating oil composition with at least 50 ppm of molybdenum, wherein the composition has a B/Mo mass ratio in a range of 2 to 10 and a S/Mo mass ratio in a range of 10 to 25.

LUBRICANT COMPOSITIONS CONTAINING CONTROLLED RELEASE ADDITIVES

A lubricating oil including a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives having a first performance function, and (ii) one or more unprotected lubricating oil additives having a second performance function, as a minor component. The first performance function and the second performance function are the same. The one or more protected lubricating oil additives are inactive with respect to their performance function. The one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component. A method for controlled release of one or more lubricating oil additives into a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives. 1. A lubricating oil comprising a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives comprising a protected phenolic antioxidant , and (ii) one or more unprotected lubricating oil additives comprising an unprotected aminic antioxidant , as a minor component; wherein the one or more protected lubricating oil additives are inactive with respect to their antioxidant function; and wherein the one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component.2. The lubricating oil of wherein the protected phenolic antioxidant comprises di-tert-butyl (methylenebis(2 claim 1 ,6-di-tert-butyl-4 claim 1 ,1-phenylene)) bis(carbonate) claim 1 , and the unprotected aminic antioxidant comprises diphenylamine.3. The lubricating oil of wherein the one or more protected lubricating oil additives further comprise a protected hydroxyl-based organic friction modifier claim 1 , a ...

LUBRICANT COMPOSITIONS CONTAINING CONTROLLED RELEASE ADDITIVES

A lubricating oil including a lubricating oil base stock as a major component, and one or more lubricating oil additives having at least one protected active group, as a minor component. The one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil in-service in an engine or other mechanical component. Compositions including one or more lubricating oil additives having at least one protected active group. A method for improving solubility of one or more lubricating oil additives in a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives. A method for improving friction control in an engine or other mechanical component lubricated with a lubricating oil. 1. A lubricating oil comprising a lubricating oil base stock as a major component; andone or more lubricating oil additives having at least one protected active group, as a minor component; wherein the one or more lubricating oil additives having at least one protected active group are inactive with respect to their innate performance function; and wherein the one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil in-service in an engine or other mechanical component.2. The lubricating oil of wherein the one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil over time claim 1 , thereby extending performance life of the one or more lubricating oil additives.3. The lubricating oil of wherein the one or more lubricating oil additives having at least one protected active group ...

LUBRICATING OIL COMPOSITION

Provided is a lubricating oil composition containing (A) 70 mass % or more and 95 mass % or less of a poly-α-olefin base oil, (B) 5 mass % or more and 20 mass % or less of an ester-based base oil, and (C) an ester-based defoaming agent, the poly-α-olefin base oil (A) being a polymer of an α-olefin having 8 to 12 carbon atoms. The lubricating oil composition is able to keep excellent defoaming performance over a long period of time and is suitable as a step-up gear oil composition for wind power generation. 1. A lubricating oil composition , comprising(A) 70 mass % or more and 95 mass % or less of a poly-α-olefin base oil,(B) 5 mass % or more and 20 mass % or less of an ester-based base oil, and(C) an ester-based defoaming agent,wherein the poly-α-olefin base oil (A) is a polymer of an α-olefin comprising 8 to 12 carbon atoms.2. The lubricating oil composition according to claim 1 , wherein a sum total of the poly-α-olefin base oil (A) and the ester-based base oil (B) is 90 mass % or more based on a total amount of the composition.3. The lubricating oil composition according to claim 1 , wherein the ester-based defoaming agent (C) comprises a (meth)acrylate polymer having a weight average molecular weight of 10 claim 1 ,000 or more and 100 claim 1 ,000 or less.4. The lubricating oil composition according to claim 1 , wherein the poly-α-olefin base oil (A) is a decene oligomer.5. The lubricating oil composition according to claim 1 , wherein the ester-based base oil (B) is a polyol ester.6. The lubricating oil composition according to claim 1 , which is a step-up gear oil composition for wind power generation. The present invention relates to a lubricating oil composition, and particularly to a lubricating oil composition which is suitable as a step-up gear oil composition for wind power generation.Wind power generation, making use of renewable energy, is expected to increase in demand, from the viewpoints of reduction of the environment load and the conservation of ...

Industrial Fluid

An industrial fluid is disclosed. The fluid comprises an oleaginous component, an aqueous component, and a surfactant dispersed in the aqueous component. The average micelle diameter follows a Gaussian distribution having a mean, μ, and wherein the standard deviation σ is less than or equal to 0.2μ. The industrial fluid is also substantially free from defoamers or anti-foam compounds.

DEFOAMING AGENT AND LUBRICATING OIL COMPOSITION

A defoaming agent obtainable by a process, the process including the step of: (i) polymerizing (B) at least one defoaming agent monomer in (A) a polymerization solvent under coexistence of (C) a polymer soluble in the polymerization solvent. 1. A defoaming agent obtainable by a process , the process comprising:(i) polymerizing (B) at least one defoaming agent monomer in (A) a polymerization solvent under coexistence of (C) a polymer soluble in the polymerization solvent.3. The defoaming agent according to claim 1 ,wherein the polymerizing is carried out by dispersion polymerization; and the (C) polymer soluble in the polymerization solvent is (C1) a polymer dispersant.4. The defoaming agent according to claim 3 ,the (A) polymerization solvent comprising a hydrocarbon solvent having 6 or more carbons, a mineral oil, a synthetic oil, or an ester oil, or combination thereof.5. The defoaming agent according to claim 3 ,the (C1) polymer dispersant comprising a polyalkyl (meth)acrylate having a weight average molecular weight of 10,000 to 1,000,000.6. The defoaming agent according to claim 1 ,wherein the polymerizing is carried out by solution polymerization.7. The defoaming agent according to claim 6 ,the (C) polymer soluble in the polymerization solvent comprising a polyalkyl (meth)acrylate having a weight average molecular weight of 10,000 to 1,000,000.8. A lubricating oil composition comprising:a lubricant base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the defoaming agent as in .'} The present invention relates to defoaming agents, and lubricating oil compositions containing the defoaming agents.Lubricating oil is used in various kinds of machinery so as to improve lubricity between members. Increase of foaming of the lubricating oil may lead to insufficient lubrication, failure to control hydraulic pressure, deteriorated cooling efficiency, and so on. Thus, lubricating oil is required to suppress foaming.For example, automobile engines, transmissions ...

Fluids for Extreme Pressure and Wear Applications

Provided are compositions, additives for forming compositions, methods of operating apparatus in fluid communication with the compositions, and apparatus comprising the compositions. For example, the composition may include a polyalphaolefin component of from about 95% to about 99.5% w/w. The composition may include an additive component. The additive component may include an anti-wear agent. The anti-wear agent may be from about 0.1% to about 2% w/w. The anti-wear component may be characterized by an acid value of at least about 1 mg KOH/g. The additive component may include an aryl amine antioxidant agent, an anti-rust agent, and a metal deactivator agent. The composition may be characterized by a kinematic viscosity at 100° C. of at least about 5 centiStokes, a viscosity index of at least about 80, and an acid value in mg KOH/g of between about 0.1 and about 1.

Lubricant Composition

A lubricant composition for a compression-ignition internal combustion engine comprises: (i) an amine as an ashless fuel additive having a total base number (“TBN”) of from about 275 to about 600 mg KOH/g when tested according to ASTM D2896; and (ii) a detergent selected from metal sulfonates, phenates, salicylates, carboxylates, thiophosphonates, and combinations thereof. The lubricant composition has a TBN of from about 20 to about 130 mg KOH/g when tested according to ASTM D2896. The amine contributes greater than about 30% of the TBN of the lubricant composition. Further, a method of lubricating an internal combustion engine with the lubricant composition comprises the steps of injecting a fuel and the lubricant composition into a cylinder to form a mixture, and combusting the mixture via compression-ignition. 1. A lubricant composition for a compression-ignition internal combustion engine , said lubricant composition comprising:(i) an amine as an ashless fuel additive having a TBN of from about 275 to about 600 mg KOH/g when tested according to ASTM D2896, and(ii) a detergent selected from metal sulfonates, phenates, salicylates, carboxylates, thiophosphonates, and combinations thereof,wherein a TBN of said lubricant composition is from about 20 to about 130 mg KOH/g when tested according to ASTM D2896; andwherein a TBN contribution of said amine to said TBN of said lubricant composition is greater than about 30%.2. A lubricant composition as claimed in claim 1 , wherein a TBN contribution of said amine to said TBN of said lubricant composition is greater than a TBN contribution of said detergent to said TBN of said lubricant composition.8. A lubricant composition as claimed in claim 1 , wherein said amine is present in an amount of from about 1 to about 45 wt. % based on the total weight of said lubricant composition.9. A lubricant composition as claimed in claim 1 , wherein said detergent comprises an overbased metal and/or said detergent is present in an ...

METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE

The invention relates to a method of lubricating an internal combustion engine comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, 2.3 wt % to 4 wt % of a dispersant package, wherein the dispersant package comprises: a borated succinimide dispersant obtainable by an “ene” reaction of a polyalkylene with an acylating agent to form an intermediate, reacting the intermediate with an aminoalcohol or amine to form a dispersant, and reacting the dispersant with a borating agent to form a borated succinimide dispersant; and a non-borated succinimide dispersant obtained by a “Diels-Alder” reaction. The ratio of non-borated succinimide dispersant to borated succinimide dispersant is 90:10 to 20:80, and the borated succinimide has 0.2 wt % to 1.3 wt % boron on an oil-free basis of the dispersant. 1. A method of lubricating an internal combustion engine comprising supplying to the engine a lubricating composition comprising:an oil of lubricating viscosity, a borated succinimide dispersant, wherein the borated succinimide dispersant is obtained by an “ene” reaction of a polyalkylene with an acylating agent to form an intermediate, reacting the intermediate with an aminoalcohol or amine to form a dispersant, and reacting the dispersant with a borating agent to form a borated succinimide dispersant; and', 'a non-borated succinimide dispersant, wherein the non-borated succinimide dispersant is obtained by a “Diels-Alder” reaction of a polyalkylene with an acylating agent to form an intermediate, and reacting the intermediate with an aminoalcohol or amine to form a non-borated succinimide dispersant, wherein t, '2.3 wt % to 4 wt % of a dispersant package, wherein the dispersant package compriseshe ratio of non-borated succinimide dispersant to borated succinimide dispersant is 90:10 to 20:80, andthe borated succinimide dispersant has 0.2 wt % to 1.3 wt % boron on an oil-free basis of the borated succinimide dispersant.2. The ...

TRACTION FLUID COMPOSITION

raction fluid additive combination that is usable with any traction fluids base stock is provided. To optimize the traction, low temperature viscosity and shear stability performance, a combination of a polyisobutene and a polymethacrylate may be added to a base oil to obtain a traction fluid with good low temperature viscosity without degrading the shear strength properties of the fluid. To minimize foaming of the traction fluid, a combination of one, two, or more anti-foaming agents may be added to the fluid in addition to a standard additive package. 1. A traction fluid comprising:a base oil;a first viscosity additive comprising a polyisobutene; anda second viscosity additive comprising a polymethacrylate.2. The traction fluid of claim 1 , further comprising at least one anti-foaming agent.3. The traction fluid of claim 2 , the anti-foaming agent present in an amount greater than about 0.01 (w/w) % and less than about 1 (w/w) %.4. The traction fluid of claim 3 , the anti-foaming agent present in an amount of about 0.1 (w/w) %.5. The traction fluid of claim 3 , the anti-foaming agent selected from the group consisting of: a mixture of organic acid ester and siloxane or a silicone based fluid.6. The traction fluid of claim 1 , further comprising at least one additional additive.7. The traction fluid of claim 6 , the at least one additional additive present in an amount greater than about 0.01 (w/w) % and less than about 20 (w/w) %.8. The traction fluid of claim 7 , the at least one additional additive present in an amount of between about 3 (w/w) % and about 6 (w/w) %.9. The traction fluid of claim 1 , the traction fluid characterized by a Brookfield viscosity at −30° C. below about 36 claim 1 ,000 cP.10. The traction fluid of claim 9 , the traction fluid characterized by a Brookfield viscosity at −30° C. below about 32 claim 9 ,000 cP.11. The traction fluid of claim 1 , the base oil present in an amount greater than about 83 (w/w) % and less than about 98 (w/w) %. ...

LUBRICATING OIL COMPOSITION CONTAINING AN ANTIFOAMING AGENT

Provided is a lubricating oil composition containing an antifoaming agent having high antifoaming performance even when the lubricant base oil has low viscosity. The lubricating oil composition comprises a lubricant base oil and drops of an antifoaming agent dispersion system dispersed in the lubricant base oil, wherein the antifoaming agent dispersion system comprises a dispersion medium mixture and an antifoaming agent dispersed in the dispersion medium mixture, and the dispersion medium mixture comprises a dispersion medium and an additive for dispersion. 1. A lubricating oil composition comprising a lubricant base oil and an antifoaming agent contained in the lubricant base oil , wherein the lubricating oil composition comprises a lubricant base oil and drops of an antifoaming agent dispersion system dispersed in the lubricant base oil; the antifoaming agent dispersion system comprises a dispersion medium mixture and an antifoaming agent dispersed in the dispersion medium mixture; and the dispersion medium mixture comprises a dispersion medium and an additive for dispersion.2. The lubricating oil composition according to claim 1 , wherein the antifoaming agent is fluoroalkylpolysiloxane.3. The lubricating oil composition according to claim 1 , wherein the additive for dispersion is at least one selected from the group consisting of an ashless dispersant claim 1 , a metallic detergent claim 1 , an antiwear agent claim 1 , a friction conditioner and an extreme pressure agent.4. The lubricating oil composition according to claim 3 , wherein the ashless dispersant is selected from a succinimide compound claim 3 , a succinamide compound and combinations thereof.5. The lubricating oil composition according to claim 1 , wherein the dispersion medium mixture has a kinematic viscosity of 5-50 claim 1 ,000 mm/s at 40° C.6. The lubricating oil composition according to claim 1 , wherein the dispersion medium is selected from a mineral oil claim 1 , a synthetic oil and ...

ALIPHATIC TETRAHEDRAL BORATE COMPOUNDS FOR FULLY FORMULATED LUBRICATING COMPOSITIONS

A fully-formulating lubricating composition comprising an oil of lubricating viscosity; an ionic tetrahedral borate compound including a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C18-tartrimide; a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500; a second dispersant comprising an ammonium substituted polyisobutenyl succinimde compound having an N:CO ratio of 1.8 and a polyisobutylenyl number average molecular weight of 750 to 2,500, wherein one or more of the first dispersant and the second dispersant are in cationic form. The fully formulated lubricating composition including one or more performance additives. 1. A fully-formulating lubricating composition comprising:an oil of lubricating viscosity; [{'sub': '18', 'a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C-tartrimide;'}, 'a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500;', 'a second dispersant comprising an ammonium substituted polyisobutenyl succinimde compound having an N:CO ratio of 1.8 and a polyisobutylenyl number average molecular weight of 750 to 2,500,', 'wherein one or more of the first dispersant and the second dispersant are in cationic form; and, 'an ionic tetrahedral borate compound includinga performance additive selected from the group consisting of a detergent, an antioxidant, a dispersant, an anti-wear agent, a viscosity modifier, an extreme pressure agent, a foam inhibitor, a corrosion inhibitor, a pour point depressant, a friction modifier, a demulsifier, and a seal swell agent.3. The composition according to claim 1 , wherein the oil of lubricating viscosity includes a base oil selected from the group consisting of a Group I base oil ...

TRACTION DRIVE FLUID

The invention describes a traction drive fluid that comprising a carrier and a particulate solid. The carrier has a boiling point of greater than at least about 100° C., and a melting point of below about 10° C., both being measured at 1 atm pressure. The particulate solid consists of a plurality of laminae. The laminae are homogeneously distributed through the carrier. 1. A traction drive fluid comprising:a carrier having a boiling point of at least about 100° C. and a melting point of below about 10° C., both being measured at 1 atm pressure; anda particulate solid consisting of a plurality of laminaewherein the laminae are homogeneously distributed through said carrier.2. The traction drive fluid according to claim 1 , wherein the carrier has a boiling point of at least about 200° C. claim 1 , measured at 1 atm pressure.3. The traction drive fluid according to or claim 1 , additionally comprising one or more of a corrosion inhibitor claim 1 , an antimicrobial agent claim 1 , an antioxidant claim 1 , a wear inhibitor claim 1 , a pour point depressant claim 1 , a metal deactivator claim 1 , an extreme pressure agent claim 1 , an antifoam agent claim 1 , a friction modifier claim 1 , and a viscosity index improver.4. The traction drive fluid according to any one of to claim 1 , additionally comprising a dispersant for dispersing the laminae in the carrier.5. The traction drive fluid according to claim 4 , wherein the dispersant is a polyether claim 4 , a polyetheramine claim 4 , an ethoxylated Bisphenol A claim 4 , an ethoxylated acrylate claim 4 , a poloxamer claim 4 , a polyalkylene glycol claim 4 , or a mixture of any two or more of these.6. The traction drive fluid according to any one of to claim 4 , wherein the laminae have a mean aspect ratio of at least about 20 claim 4 , aspect ratio being defined as the ratio of the minimum non-thickness dimension to the average thickness.7. The traction drive fluid according to any one of to claim 4 , wherein the laminae ...

NOVEL TRACTION FLUID WITH IMPROVED LOW TEMPERATURE PROPERTIES

A traction fluid comprising a blend of 2,3-dicyclohexyl-2,3-dimethylbutane (HAD) and 2,3-dicyclohexyl-2,3-dimethylbutane (iso-HAD) is found to have a lower viscosity at low temperatures when compared to a traction fluid having only HAD or only iso-HAD as a base fluid with no compromise to traction coefficient. The traction fluid may comprise additives. The traction fluid usually comprises HAD:isoHAD between about 8:1 to about 1:3. Further, the HAD:iso-HAD traction fluid blend is produced by a method of simultaneous co-production of hydrogenated HAD and hydrogenated iso-HAD from an alpha styrene dimer and an iso-HAD precursor with a yield of about 90% in a method that does not require a purification step.

STABLE ANTIFOAMING COMPOSITIONS

A stabilized antifoaming composition having at least three components. The first component is an antifoaming agent. The second component is an ethylene-(meth)acrylic acid copolymer. The third component is a salt. 1. A stabilized antifoaming composition , said composition comprising: (a) an antifoaming agent; (b) an ethylene-(meth)acrylic acid copolymer; and (c) a salt.2. The composition of in which a weight ratio of ethylene-(meth)acrylic acid copolymer to antifoaming agent is from 0.5:1 to 6:13. The composition of in which the antifoaming agent is a siloxane or a copolymer of ethylene oxide and propylene oxide.4. The composition of in which the ethylene-(meth)acrylic acid copolymer comprises from 50 to 90 wt % ethylene and 10 to 50 wt % (meth)acrylic acid.5. The composition of in which from 50 to 100 mole % of the (meth)acrylic acid is neutralized.6. The composition of comprising from 0.5 to 6 wt % of surfactants.7. The composition of comprising from 0.05 to 3 wt % antifoaming agent and from 0.2 to 12 wt % ethylene-(meth)acrylic acid copolymer.8. The composition of comprising from 79 to 95 wt % water and from 1 to 6 wt % salts.9. The composition of in which the copolymer comprises ethylene and acrylic acid. This invention relates to antifoaming compositions which are stable when dispersed in aqueous media.U.S. Pat. No. 6,569,924 describes solubilizing agents for antifoaming compositions. These solubilizing agents are alkoxylated compounds. However, this reference does not describe how to form stable antifoaming compositions.The present invention provides a stabilized antifoaming composition, said composition comprising: (a) an antifoaming agent; (b) an ethylene-(meth)acrylic acid copolymer; and (c) a salt.Percentages are weight percentages (wt %) and temperatures are in ° C., unless specified otherwise. Operations were performed at room temperature (20-25° C.), unless specified otherwise. Weight percentages of components are based on weights of active ingredients, ...

Metalworking Fluid

A metalworking fluid is disclosed. The fluid comprises an oleaginous component, an aqueous component, and a surfactant dispersed in the aqueous component. The metalworking fluid is substantially free from defoamers or anti-foam compounds. 1. Metalworking fluid comprising an emulsion of:An oleaginous component;An aqueous component; andA surfactant;wherein either the oleaginous component or the aqueous component forms micelles with the surfactant, and wherein the metalworking fluid does not contain insoluble defoamers or anti-foam compounds to compensate for foaming.2. Metalworking fluid as claimed in claim 1 , wherein substantially all of the surfactant is bound within micelles of the oleaginous or the aqueous component claim 1 , such that there is substantially no unbound surfactant present in the fluid.3. Metalworking fluid as claimed in or claim 1 , wherein in use claim 1 , the emulsion is diluted or undiluted.4. Metalworking fluid as claimed in or claim 1 , wherein the metalworking fluid is an additive.5. Metalworking fluid as claimed in any of to claim 1 , wherein the micelle is a normal-phase micelle claim 1 , and the oleaginous component forms the centre of the micelle.6. Metalworking fluid as claimed in claim 5 , wherein the surface comprises at least one surfactant monomer layer.7. Metalworking fluid as claimed in any of to claim 5 , wherein the structure of the surfactant dictates the structure of the micelle.8. Metalworking fluid as claimed in claim 7 , wherein the micelle is generally spherical in structure.9. Metalworking fluid as claimed in any preceding claim claim 7 , wherein the oleaginous component comprises a lubricating composition.10. Metalworking fluid as claimed in claim 9 , wherein the lubricating composition is a Group I claim 9 , II claim 9 , II claim 9 , IV or V base oil.11. Metalworking fluid as claimed in claim 9 , wherein the lubricating composition comprises a blend of components claim 9 , at least one of which has lubricating ...

LUBRICANT COMPOSITION AND LUBRICATING METHOD

Provided is a lubricating oil composition containing a refined paraffinic mineral oil (A) and an alkylbenzene (B) having a flash point of 160° C. or higher, and having a flash point of 250° C. or higher. The lubricating oil composition has a high flash point of 250° C. or higher and has an excellent long lifetime to such an extent that the lubricating oil composition can maintain excellent oxidation stability even in long-term use in high-temperature environments. 1: A lubricating oil composition , comprising:(A) a refined paraffinic mineral oil (A); and(B) an alkylbenzene (B) having a flash point of 160° C. or higher, and having a flash point of 250° C. or higher.2: The lubricating oil composition according to claim 1 , further comprising:(C) an anti-foaming agent (C) comprising a polyacrylate-based anti-foaming agent (C1).3: The lubricating oil composition according to claim 2 , wherein a weight average molecular weight of the polyacrylate-based anti-foaming agent (C1) is from 10 claim 2 ,000 to 200 claim 2 ,000.4: The lubricating oil composition according to claim 2 , wherein:the anti-foaming agent (C) further comprises a silicone-based anti-foaming agent; anda content of a silicone-based anti-foaming agent based on a total amount of the anti-foaming agent (C) is 10% by mass or less.5: The lubricating oil composition according to claim 1 , further comprising:(D) an antioxidant (D) comprising an amine-based antioxidant (D1).6: The lubricating oil composition according to claim 5 , wherein the amine-based antioxidant (D1) comprises a diphenylamine compound (D11) and a phenyl-naphthylamine compound (D12).7: The lubricating oil composition according to claim 6 , wherein a content ratio of the component (D11) to the component (D12) [D11/D12] is from 0.1/1 to 1/1 by mass ratio.8: The lubricating oil composition according to claim 5 , wherein:the amine-based antioxidant (D1) comprises a phenylenediamine-based antioxidant; anda content of the phenylenediamine-based ...

FLUORINATED POLYACRYLATE ANTIFOAM COMPONENTS FOR LUBRICATING COMPOSITIONS

There is disclosed an antifoam component for a mechanical device which includes a fluorinated poly(acrylate) copolymer. The antifoam component has improved foam performance and thermal stability in finished fluids, such as driveline fluids. 1. A lubricating composition , comprising:a) an oil of lubricating viscosity selected from the group consisting of a Group II oil, a group II+ oil, Group III oil, a Group IV oil, a Group V, or mixtures thereof; andb) an antifoam component comprising a poly(acrylate) copolymer including:{'sub': '4', '(i) from about 50 wt % up to about 90 wt % of an acrylate monomer having Cto C8 alkyl esters of acrylic acid;'}{'sub': 2', '3, '(ii) from about 10 wt % up to about 35 wt % of an acrylate comonomer having Cto Calkyl esters of acrylic acid; and'}(iii) from about 1.0 wt % up to 20 wt % of a fluorinated (meth)acrylate monomer;{'sub': 'w', 'the antifoam component having a Mof at least 45,000 Daltons.'}2. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 54 wt % claim 1 , or 72 wt % claim 1 , and the acrylate comonomer (ii) is present in an amount of about 31 wt % or 23 wt %.3. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.4. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the acrylate comonomer (ii) is ethyl acrylate.6. The lubricating composition of claim 1 , wherein the fluorinated (meth)acrylate monomer is branched or linear.7. The lubricating composition of claim 1 , wherein an alkyl chain of the fluorinated (meth)acrylate monomer has a carbon:fluorine ratio of from 1:1 to 1:1.8.8. The lubricating composition of claim 1 , wherein the fluorinated (meth)acrylate monomer is selected from the group consisting of 2 claim 1 ,2 claim 1 ,2-trifluoroethyl (meth) ...

LUBRICANT ADDITIVE AND LUBRICATING OIL COMPOSITION

Provided are (i) a lubricant additive including a borazine compound represented by the following general formula (1), (ii) a lubricating oil composition including a lubricating base oil and the lubricant additive, and (iii) a lubricating oil composition further including a friction modifier represented by the following general formula (2). 2. The lubricant additive according to claim 1 , wherein in the formula (1) R claim 1 , R claim 1 , and Rare each independently hydrogen claim 1 , a C1 to C30 hydrocarbyl group claim 1 , or a C1 to C30 hydrocarbyl group comprising oxygen or boron or nitrogen.3. The lubricant additive according to claim 1 , wherein in the formula (1) R claim 1 , R claim 1 , and Rare each independently hydrogen claim 1 , a C1 to C30 hydrocarbyl group claim 1 , or a C1 to C30 hydrocarbyl group comprising oxygen or boron.4. The lubricant additive according to claim 1 ,{'sup': 1', '3', '5, 'wherein in the formula (1), R, R, and Rare the same groups; and'}{'sup': 2', '4', '6, 'R, R, and Rare the same groups.'}5. A lubricating oil composition comprising:(A) a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(B) the lubricant additive according to .'}7. The lubricating oil composition according to claim 6 ,{'sup': 9', '10, 'wherein in the formula (2), at least Rand Rare hydrogen; and'}{'sup': 8', '9', '10, 'where p and q are 1, R, R, and Rare hydrogen.'}8. The lubricating oil composition according to claim 5 , further comprising:one or more selected from the group consisting of an ashless dispersant, an antioxidant, a friction modifier, a friction-reducing agent, a metallic detergent, a viscosity index improver, a pour point depressant, a corrosion inhibitor, an anti-rust agent, an anti-emulsifier, a metal deactivator, a defoamer, and a coloring agent.9. The lubricating oil composition according to claim 5 , which is a lubricating oil composition for internal combustion engines.10. The lubricating oil composition according to ...

Additive package and lubricating oil composition

An additive package is disclosed for preparing an automotive crankcase lubricating oil composition for an internal combustion engine. The additive package is made by admixing: (i) 50 mass % or less of an oil of lubricating viscosity; (ii) 50 mass % or less of at least one overbased metal detergent, preferably at least one overbased metal hydroxybenzoate detergent; (iii) 50 mass % or less of an oil-soluble block or graft co-polymer of at to least one polymeric block A which is derived from a hydroxycarboxylic acid and at least one polyalkylene block B which is a residue of a polyalkylene glycol, and (iv) optionally, at least one further additive selected from a dispersant, an antioxidant and/or an antiwear agent. The additive package includes less than 2.00 mass % preferably less than 1.50 mass %, of a friction modifier which is a monoester of a C 5 to C 30 carboxylic acid and which is free of nitrogen. Component (ii) is preferably an overbased metal hydroxybenzoate detergent. Component (iii) acts as a friction modifier and can be used as a replacement for a friction modifier such as glycerol monooleate. The additive package exhibits improved stability.

Coolant for Composite Materials

The present invention concerns a coolant, present as an emulsion in the form of a concentrate, for machining fiber-reinforced plastics and material combinations containing fiber-reinforced plastics and metals; furthermore, the present invention also concerns a coolant, present as a solution in the form of concentrate, for machining fiber-reinforced plastics. 1. A coolant for use in machining processes of fiber-reinforced composites comprising one or more components selected from the group consisting of an oil component , an amino alcohol (alkanolamine) , a corrosion inhibitor , an emulsifier , a defoamer and a biocide , and each of the following:(a) a sulfurized hydrocarbon with 4 to 30 carbon atoms and 1 to 5 sulfur atoms and/or a sulfurized triglyceride with 10 to 20 carbon atoms in the fatty acid residue,(b) an ethoxylated and/or propoxylated alkyl phosphate with 12 to 30 carbon atoms in the alkyl radical,(c) a phosphoric acid ester with fatty alcohol polyglycol ether,{'sub': '10-20', '(d) a maleic acid dibutyl ester, polymerized with C-1-alkenes, and'}(e) an epoxidized ester.2. The coolant according to claim 1 , wherein the sulfurized hydrocarbon in the coolant has a concentration of 4 to 15 wt % relative to the weight of the coolant.3. The coolant according to claim 1 , wherein the ethoxylated and/or propoxylated alkyl phosphate in the coolant has a concentration of 0.5 to 6 wt % relative to the weight of the coolant.4. The coolant according to claim 1 , wherein the ester of phosphoric acid and ethoxylated and propoxylated alcohol in the coolant has a concentration of 0.5 to 6 wt % relative to the weight of the coolant.5. The coolant according to claim 1 , wherein the polymer of maleic acid dibutyl ester and C-1-alkenes in the coolant has a concentration of 2 to 6 wt % relative to the weight of the coolant.6. The coolant according to claim 1 , wherein the epoxidized triglyceride in the coolant has a concentration of 1 to 6 wt % relative to the weight of the ...

METHOD FOR IMPROVING THE AIR RELEASE OF A LUBRICATING OIL

The invention provides a method for improving the air release of a lubricating oil as measured by ASTM D3427. The method comprises a step of mixing an additive into the lubricating oil. 1. A method for improving the air release of a lubricating oil as measured by ASTM D3427 , said method comprising mixing an additive into the lubricating oil using a high shear mixer; wherein the additive is an alkyl acrylate polymer.2. The method according to claim 1 , wherein the lubricating oil comprises a base oil component claim 1 , and the base oil component comprises at least 75 wt % of a GTL base oil based upon the weight of the base oil component.3. A The method according to claim 1 , wherein the lubricating oil has a kinematic viscosity in the range of from 5 to 220 cSt at 40° C.4. A The method according to claim 1 , wherein the lubricating oil is formulated for use a hydraulic fluid.5. A The method according to claim 1 , wherein the molecular weight of the alkyl acrylate polymer is less than 10 claim 1 ,000.6. A The method according to claim 1 , wherein the alkyl acrylate polymer is a homopolymer of an alkyl acrylate having at least 3 but less than 7 carbon atoms in the alkyl radical claim 1 , or the alkyl acrylate polymer is a copolymer of at least two different alkyl acrylates in which the alkyl radical has from 1 to 18 carbon atoms and in which the average number of carbon atoms in the alkyl radicals of the copolymer molecular is at least 3 but less than 7 on a molar basis.7. A The method according to claim 1 , wherein at least 0.0005 wt % and less than 0.1 wt % of alkyl acrylate polymer claim 1 , based upon the weight of the lubricating oil claim 1 , is mixed into the lubricating oil.8. A The method according to claim 1 , wherein the additive is mixed into the lubricating oil at a rate of at least 400 rpm.9. A The method according to claim 1 , wherein the additive is mixed into the lubricating oil at a rate of at least 800 rpm. The invention relates to a method for ...

ALKOXYLATED PHOSPHATE ESTERS FOR LUBRICANT COMPOSITIONS

The present invention concerns a composition suitable for working and shaping metals, in particular providing a lubricating effect, including polymers of the following formula: [R—O(—CH(CH)—CHO—)(CH—CHO—)—]P(═O)(OH)in which: R is a linear or branched, preferably linear, saturated or unsaturated hydrocarbon group, comprising between 8 and 12 carbon atoms; n is a number, which may or may not be an integer, between 6 and 20; p is a number, which may or may not be an integer, between 4 and 25; and x is a number between 0 and 1, and in particular between 0.1 and 0.9. 2. The composition as claimed in claim 1 , wherein the R group is a saturated or monounsaturated alkyl group.4. The composition as claimed in claim 1 , wherein n is between 6.5 and 15.5. The composition as claimed in claim 1 , wherein p is between 4.5 and 20.6. The composition as claimed in claim 1 , wherein n is equal to 7.5 and p is equal to 5.8. A lubricating formulation for working or shaping metals comprising the composition according to .9. The lubricating formulation according to wherein the formulation is a lubricating formulation for cutting metals.10. The lubricating formulation according to wherein the formulation is a lubricating formulation for working or shaping aluminum.11. The composition according to claim 1 , wherein x is a number between 0.1 and 0.9.12. The composition according to claim 2 , wherein the R group is a linear claim 2 , saturated or monounsaturated alkyl group.13. The composition according to claim 4 , wherein n is between 7 and 10.14. The composition according to claim 5 , wherein p is between 4.5 and 10.15. The lubricating formulation according to claim 8 , wherein the lubricating formulation is a lubricating emulsion.16. The lubricating formulation according to wherein the formulation is a lubricating formulation for cutting aluminum. The present invention relates to additives for lubricating compositions intended for shaping and working metals, and more particularly the ...

DEFOAMING AGENT AND LUBRICATING OIL COMPOSITION

A defoaming agent including a polymer, the polymer including: at least one first polymer chain including a polysiloxane structure represented by the following general formula (1); and at least one second polymer chain including a repeating unit represented by the following general formula (2) and bonded to the first polymer chain: 2. The defoaming agent according to claim 1 ,{'sup': '1', 'wherein Xis a repeating unit obtainable by polymerization of (meth)acryloyl group.'}3. The defoaming agent according to claim 1 ,wherein the at least one second polymer chain is bonded to one end or both ends of the first polymer chain.5. The defoaming agent according to claim 4 ,{'sup': 2', '3', '4, 'wherein X, Xand Xare repeating units obtainable by polymerization of (meth)acryloyl group.'}6. The defoaming agent according to claim 1 ,wherein the at least one second polymer chain is bonded to only one end of the first polymer chain.7. The defoaming agent according to claim 1 ,wherein the at least one second polymer chain is bonded to both ends of at least one of the first polymer chain.8. The defoaming agent according to claim 1 ,wherein a ratio of a total number of polysiloxane repeating units comprising fluorine atoms to a total number of all polysiloxane repeating units is 0.01 to 1.9. The defoaming agent according to claim 1 ,wherein a content of the first polymer chain is 0.5 to 80 mass % on the basis of the total mass of the polymer.10. The defoaming agent according to claim 1 ,wherein the polymer has a weight average molecular weight of 10,000 to 1,000,000.11. The defoaming agent according to claim 1 ,wherein the first polymer chain has a weight average molecular weight of 500 to 500,000.13. The defoaming agent according to claim 12 ,wherein in the first component, a ratio of a total number of polysiloxane repeating units comprising fluorine atoms to a total number of all polysiloxane repeating units is 0.01 to 1.14. The defoaming agent according to claim 12 ,wherein an ...

Gear oil compositions

A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising one or more base stocks each having a viscosity less than 10 cSt, Kv100° C.

Gear oil compositions

A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising at least one Poly-Alpha-Olefin (PAO) base stock and at least one Group III base stock, each having a viscosity less than 10 cSt, Kv100° C.

Low viscosity low volatility lubricating oil base stocks and methods of use thereof

A lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. The lubricating oil base stock has a high temperature high shear (HTHS) viscosity of less than about 1.7 cP as determined by ASTM D4683, and a Noack volatility from about 15 to about 90 percent as determined by ASTM D5800. A lubricating oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. A method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein.

Aqueous cutting fluid composition for wire saw

알킬옥시란류 폴리머, C10~12 계열의 알코올, 및 소포제를 포함하는 와이어 쏘우용 수용성 절삭액 조성물이 제공된다. 본 발명에 따르면, 실리콘 잉곳의 절삭 공정에 있어서, 가공열의 냉각성이 높고, 침투성, 물과의 반응 억제성, 억포성이 뛰어나며, 가혹한 슬라이스 조건 하에서도 피가공면의 평탄성을 높게 유지할 수 있는 와이어 쏘우용 수성 절삭액 조성물을 제공할 수 있다.

Lubricant compositions containing controlled release additives

A lubricating oil including a lubricating oil base stock as a major component, and one or more lubricating oil additives having at least one protected active group, as a minor component. The one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil in-service in an engine or other mechanical component. Compositions including one or more lubricating oil additives having at least one protected active group. A method for improving solubility of one or more lubricating oil additives in a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives. A method for improving friction control in an engine or other mechanical component lubricated with a lubricating oil.

High performance environmentally acceptable hydraulic fluid

A novel hydraulic (e.g., a biohydraulic) fluid which has high performance attributes is disclosed herein. Such a novel hydraulic fluid includes a contribution of a range of 10% up to about 85% by weight of at least one of: natural esters, synthetic esters, polyols, a vegetable oil, 1% up to about 40% by weight of polyalphaolefin (PAO), 1% up to about 40% by weight of polyalkylene glycol (PAG), and mixtures thereof, and wherein up to about 10% by weight quantity of one or more additives are introduced to provide desired properties that include at least one of: a high viscosity index, a low pour point, a hydrolytic stability, and an oxidative stability, as part of the hydraulic fluid contribution.

Lubricating oil composition

The present invention provides a lubricating oil composition including a viscosity index improver (A) containing a comb-shaped polymer and having an SSI (shear stability index) of 30 or less together with a base oil, wherein an HTHS viscosity (high temperature high shear viscosity) at 150° C. (T 150 ) is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. (V 40 ) [mm 2 /s] to the HTHS viscosity at 150° C. (T 150 ) [mPa·s] (V 40 /T 150 ) is 12.4 or less. The lubricating oil composition of the present invention is excellent in fuel consumption reducing properties in a low-temperature region assuming the time of starting an engine while making various properties, such as a viscosity, etc., in a high-temperature region assuming the time of high-speed operation of an engine favorable.

Defoaming agent and lubricating oil composition

A defoaming agent comprising: a polymer comprising a repeating unit represented by the following general formula (1): where in the general formula (1), X 1 is a repeating unit obtainable by polymerization of an ethylenic unsaturated group; Y 1 is a side chain comprising a linear or branched polysiloxane structure, the polysiloxane structure comprising a repeating unit represented by the following general formula (2) and having a polymerization degree of 5 to 300; and Z 1 is a linking group linking the repeating unit X 1 and the side chain Y 1 ; wherein in the general formula (2), R 1 and R 2 are each independently an organic group having a carbon number of 1 to 18.

Lubricant compositions containing beta-glucans

The presently claimed invention relates to a lubricant composition comprising at least one beta-glucan, optionally in form of one of its derivatives, at least one base oil, at least one additive component, and optionally water; the use of said lubricant compositions for reducing wear in metal-on-metal contact and the use of at least one beta-glucan for reducing the friction coefficient of a lubricant composition.

Lubricant compositions containing controlled release additives

A lubricating oil including a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives having a first performance function, and (ii) one or more unprotected lubricating oil additives having a second performance function, as a minor component. The first performance function and the second performance function are the same. The one or more protected lubricating oil additives are inactive with respect to their performance function. The one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component. A method for controlled release of one or more lubricating oil additives into a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives.

Friction modifier composition for lubricants

Combining a metal based friction modifier, such as a molybdenum dialkyldithiocarbamate, and certain esters of hydroxy carboxylic acids, such as short chain alkyl esters of citric or tartaric acid, e.g., tributyl citrate, has a synergistic effect on lowering the friction coefficient of lubricating oils allowing one to reduce the amount of metal based friction modifier needed to adequately formulate a lubricant with low friction characteristics.

Lubricant composition

A lubricant composition for a compression-ignition internal combustion engine comprises: (i) an amine as an ashless fuel additive having a total base number (“TBN”) of from about 275 to about 600 mg KOH/g when tested according to ASTM D2896; and (ii) a detergent selected from metal sulfonates, phenates, salicylates, carboxylates, thiophosphonates, and combinations thereof. The lubricant composition has a TBN of from about 20 to about 130 mg KOH/g when tested according to ASTM D2896. The amine contributes greater than about 30% of the TBN of the lubricant composition. Further, a method of lubricating an internal combustion engine with the lubricant composition comprises the steps of injecting a fuel and the lubricant composition into a cylinder to form a mixture, and combusting the mixture via compression-ignition.

Method for improving engine fuel efficiency

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. % of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines.

Lubricant additive compositions containing thiophosphates and thiophosphate derivatives

The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.

Lubricating compositions and methods for the use thereof

Disclosed herein are lubricating compositions and methods of use of the same, including for, e.g., use in metalworking operations.

Viscosity index improver and lubricating oil composition

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm 3 ) 1/2 .

Engine lubricants containing a polyether

A lubricant comprising (a) an oil of lubricating viscosity; (b) a polyether of number average molecular weight 1000 to 10,000; said polyether comprising alkylene oxide monomer units, where the alkylene group contains 3 to 6 carbon atoms, and ethylene oxide monomer units; and (c) one or more anti-foam agents, where the lubricant has a sulfated ash content of less than about 0.7 percent, is useful for lubricating a stationary gas engine where the engine drives a compressor and where both the engine and the compressor are lubricated with the same lubricant.

Water-soluble cutting fluid for slicing silicon ingots

A water-soluble cutting fluid for slicing silicon ingots is characterized in that it includes a monoprotic or diprotic aliphatic carboxylic acid (A) having a carbon number (including the carbon in the carbonyl group) of 4˜10, and either a polyprotic organic acid (B) with ΔpKa of 0.9˜2.3 as defined by the following formula (1) or a salt (BA) of said organic acid (B) as essential components: ΔpKa=(pKa 2 )−(pKa 1 )  (1) wherein the dissociation stage, at which the organic acid (B) denoted as n-protic acid H n A, becomes H n-1 A+H + is numbered 1 with an acid dissociation constant expressed as pKa 1 , and the dissociation stage at which the organic acid (B) becomes H n-2 A+H + is numbered as 2 with an acid dissociation constant expressed as pKa 2 .