ПРИСАДКА К СМАЗОЧНОМУ МАСЛУ И КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

Изобретение относится к присадке к смазочному маслу, содержащей органическое соединение молибдена, представленное общей формулой (1) ниже:где R1 обозначает алкильную группу с прямой или разветвленной цепью, представленную общей формулой CH(n является целым числом от 4 до 12), или циклогексильную группу, R2 означает метальную группу или этильную группу и R1 и R2 являются различными; и к композиции смазочного масла в качестве модификатора трения. Также описывается применение присадки в качестве модификатора трения в смазочной композиции, которая способна приводить фрикционные свойства к подходящему уровню. 3 н. и 4 з.п. ф-лы, 1 ил., 2 табл., 8 пр.

УНИВЕРСАЛЬНОЕ КОНСЕРВАЦИОННОЕ РУЖЕЙНОЕ МАСЛО

Изобретение относится к универсальному консервационному ружейному маслу, содержащему масло-основу, растворитель, ингибитор коррозии и присадку, где в качестве масла-основы включает масло базовое VHVI-2, в качестве растворителя включает углеводородный растворитель с температурой застывания не выше минус 60°С, в качестве ингибитора коррозии включает ингибитор атмосферной коррозии «Росойл-720» и в качестве присадки включает противоизносную присадку на основе диалкилдитиофосфата цинка, при следующем соотношении компонентов, мас.%: углеводородный растворитель от 0,5 до 30, ингибитор атмосферной коррозии «Росойл-720» от 15 до 25, противоизносная присадка от 0,25 до 1,0, масло-основа - остальное. Изобретение обеспечивает повышение универсальности консервационного ружейного масла, предназначенного для чистки, смазки и защиты от коррозии ВВСТ при хранении, транспортировке и эксплуатации в различных климатических зонах, в условиях повышенной влажности и температуры, морского климата, в широком диапазоне ...

СПОСОБ ПОЛУЧЕНИЯ БИОРАЗЛАГАЕМОЙ НИЗКОТЕМПЕРАТУРНОЙ КОНСИСТЕНТНОЙ СМАЗКИ НА ОСНОВЕ ЦЕЛЛЮЛОЗЫ

Изобретение относится к способу получения биоразлагаемой низкотемпературной консистентной смазки путем введения в сложноэфирное масло органомодифицированной глины и микрокристаллической целлюлозы с получением исходной смеси компонентов и перемешивания при комнатной температуре. Способ характеризуется тем, что в качестве органомодифицированной глины используют монтмориллонит, модифицированный солями четвертичного аммония, по крайней мере, один из заместителей которого состоит из не менее 12 атомов углерода, исходную смесь компонентов сначала перемешивают в течение 3-10 мин, нагревают до 150-250°С, выдерживают при достигнутой температуре в течение 20-60 мин, не давая смеси остыть, перемешивают ее на роторном смесителе со скоростью вращения ротора 10000-30000 об/мин в течение 5-30 мин, затем смесь охлаждают и получают смазку при следующем соотношении компонентов, мас. %: микрокристаллическая целлюлоза 5-25; органомодифицированная глина 3-9; сложноэфирное масло остальное. При этом более 95- ...

EIN POLYMER-ANTIOXIDANT ENTHALTENDE SCHMIERMITTEL ZUSAMMENSETZUNG

OELSCHMIERMITTEL FUER DIE PLASTISCHE VERARBEITUNG VON METALLMATERIAL.

SCHMIERMITTELZUSAMMENSETZUNG UND VERWENDUNG DAVON.

BASISSCHMIERÖL UND VERFAHREN ZU SEINER HERSTELLUNG

LACTONE-MODIFIED ESTER OILS AND A LUBRICATING COMPOSITION CONTAINING THEM

Retrofilling mechanical vapour recompression heat transfer devices

LUBRICANT EMULSION

Rolling-contact bearing lubricating composition

A rolling-contact bearing lubricating composition comprises a mixture of 95-1% by wt of a polyethylene of average molecular weight 1x10<6>-5x10<6> or of average molecular weight 2x10<3>-1x10<5> and 5-99% by wt. of a lubricating grease. The mixture can be retained in its intended position before or during heat treatment without naturally flowing.

HYDRODEWAXED HYDROCARBON FLUID USED IN THE MANUFACTURE OF FLUIDS FOR INDUSTRIEL, AGRICULTURAL OR DOMESTIC USE

Hydrodewaxed hydrocarbon fluid used in the manufacture of fluids for industrial, agricultural, or domestic use.

Lubricating composition and method for the preparation thereof

Lubricating composition and method for the preparation thereof

SCHMIERÖL UND VERWENDUNG VON INHIBITOREN GEGEN METALLAUFNAHME

PASTE-WELL-BEHAVED, VISCOSE RAYON DAEMPFMITTELDISPERSION

USE OF CARBON DIOXIDE AS REFRIGERANTS IN AN OIL COMPOSITION FOR REFRIDGERATORS

LUBRICANT FOR REFRIGERANT PLANTS

GREASE COMPOSITION.

LUBRICANT AND OBERFLAECHENKONDITIONIERER FOR FORMED METAL SURFACES.

PROCEDURE FOR THE PRODUCTION OF ETIQUETTIERTEN AND/OR PAINTED ALUMINIUM BOXES.

PROCEDURE FOR THE IMPROVEMENT OF THE LUBRICATION CHARACTERISTICS OF A TRIACYLGLYCEROL ABSTENTION OF VEGETABLE OIL

SCHMIERÖL UND VERWENDUNG VON INHIBITOREN GEGEN METALLAUFNAHME

BIOLOGICALLY DEGRADABLE ONE SECONDARY ACT OIL COMPOSITIONS

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

SСНМIЕRÖL UND VЕRWЕNDUNG VОN INНIВIТОRЕN GЕGЕN МЕТАLLАUFNАНМЕ

Refrigeration apparatus

REFRIGERATION APPARATUS A refrigeration apparatus (1) comprises a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). A refrigerant containing R32, and refrigerator oil for lubricating the compressor (2) are used in the refrigeration apparatus (1). An acid scavenger added in an amount of 1.0 wt% to 5.0 wt% is blended in the refrigerator oil.

Biodegradable vegetable oil compositions

High temperature oil

The invention relates to novel high temperature oils based on aromatic esters, such as trimellitic acid esters, pryomellitic acid esters, trimesic acid esters or a mixture thereof or derivatives of phloroglucinol and a fully hydrated or a hydrated polyisobutylene or a mixture thereof.

Refrigeration apparatus

REFRIGERATION APPARATUS A refrigeration apparatus (1) comprises a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). A refrigerant containing R32, and refrigerator oil for lubricating the compressor (2) are used in the refrigeration apparatus (1). An acid scavenger added in an amount of 1.0 wt% to 5.0 wt% is blended in the refrigerator oil.

Estolide compositions exhibiting high oxidative stability

Provided herein ar estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: IfI in which n is an integer equal to or greater than 0; i. is an integer equal to or greater than i1; RI, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturatd or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses for the compositions and methods of preparing the same, ...

GREASE COMPOSITION

LUBRICANTS

LUBRICATING OIL COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY

Provided is a lubricating oil comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII, (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver, (d) a magnesium containing detergent; wherein the lubricating oil composition is substantially free of molybdenum containing element. Also provided is a method for improving friction and reducing wear in an internal combustion engine using said engine lubricating oil composition.

SYNTHESIS OF DIESTER-BASED LUBRICANTS FROM ENZYMATICALLY-DIRECTED EPOXIDES

The present invention is generally directed to a process comprising: a) epoxidizing an olefin having a carbon number of from 8 to 18 to form an epoxide comprising an epoxide ring, wherein such epoxidizing is enzymatically-driven; and b) directly esterifying the epoxide with a C2 t0 C18 carboxylic acid to form a diester species having viscosity and pour point suitable for use as a lubricant or component thereof In some embodiments, the processes for making such diester-based lubricants utilize a biomass precursor and/or low value (e.g., Fischer-Tropsch (FT) olefins and/or alcohols) so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.

TRANSESTERIFIED FATTY ESTERS FOR LUBRICANT AND REFRIGERANT OIL SYSTEM

This invention is a composition that includes a transesterified fatty acid ester resulting from the reaction of a fatty acid ester, in the presence of an acid, with a hydroxyl-containing compound. The fatty acid esters of the invention are selected from those with a carbon number of eight to twenty. The hydroxyl-containing compound is an alcohol having a carbon number between one and eighteen. The resulting composition is useful as a lubricant, as a heat transfer agent, as a rheological modifier and as a corrosion/moisture inhibitor, among other uses.

METAL WORKING OIL COMPOSITION, METAL WORKING METHOD AND METAL WORK

An oil composition for metal working to be used in metal working with minimal quantity lubrication, which comprises both a base oil selected from the group consisting of natural oils and fats, derivatives thereof, and synthetic ester oils and a phospholipid; a method of metal working with the composition; and metal work. The oil composition is excellent in lubricity and suitable for working of metal materials such as cast iron, steel, and stainless steel with minimal quantity lubrication.

SYNTHESIS OF DIESTER-BASED LUBRICANTS FROM ENZYMATICALLY-DIRECTED EPOXIDES

The present invention is generally directed to methods of making diester-based lubricant compositions, wherein formation of diester species proceeds via esterification of epoxide intermediates, and wherein the epoxide intermediates are generated via an enzymatically-driven mechanism. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor and/or low value (e.g., Fischer-Tropsch (FT) olefins and/or alcohols) so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.

MARINE ENGINE LUBRICATION

Trunk piston marine engine lubrication comprising a major amount of (A) an oil of lubricating viscosity that comprises an oil-soluble ester basestock, or that comprises greater than 0.1 to less than 90 mass % of an oil-soluble ester basestock and, as 50 mass % or more of the remainder of the oil of lubricating viscosity, a high saturates basestock; (B) a minor amount of a metal alkyl salicylate detergent; and (C) greater than 0.1 to less than 10 mass %, of an oil-soluble polyalkenyl-substituted carboxylic acid anhydride, wherein the or at least one polyalkenyl group is derived from a polyalkene having a number average molecular weight of from 200 to 3,000. Asphaltene precipitation in the lubricant composition, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.

LUBRICANTS

R3078 A lubricant/working fluid composition for use in mechanical vapour compression type heat transfer devices is described wherein the working fluid is preferably tetrafluoroethane and the lubricant is an ester which is miscible with the working fluid at 10% over a temperature range of -50.degree.C to +80.degree.C and has a viscosity of 5 to 100 cSt at 40.degree.C. Useful esters include pentaerythritol partial ester of straight chain C5 or branched chain C7 carboxylic acids. The esters are compatible with non-chlorine containing working fluids and exhibit a low level of corrosion.

METHOD OF WARM FORMING AND EXTRUSION OF METAL AND METAL WORKING COMPOSITIONS USEFUL THEREIN

PATENT Case 890936 METHOD OF WARM FORMING AND EXTRUSION OF METAL AND METAL WORKING COMPOSITIONS USEFUL THEREIN Edward J. Gudowicz Lawrence R. Cohen Warm forming and extrusion of metals, particularly ferrous-containing metals, at elevated temperatures are disclosed wherein a lubricant composition containing a rare earth metal halide is applied to the surface of the metal prior to the deformation thereof. Lathanum trifluoride and cerium trifluoride are particularly useful. The compositions include: a liquid base, preferably an animal oil, vegetable oil, fat or fatty ester; a viscosity enhancer, preferably an asphaltic material; a lubricant effective at elevated temperatures; and the rare earth metal halide.

LUBRICANT COMPOSITION CONTAINING A POLYMERIC ANTIOXIDANT

An aviation gas turbine lubricant composition which comprises an antioxidant composition comprising the reaction product of specific molar ratios of diphenylamines and N-aryl naphthylamines in the presence of controlled amounts of an organic peroxide. The antioxidant composition is mainly homo-oligomers of diphenylamines and cross oligomers o f diphenylamines and N-aryl naphthylamines.

BIODEGRADABLE GREASE COMPOSITIONS

Lubricant compositions comprising biodegradable ester base stocks are provided for water-cooled or air-cooled two-cycle engines. Grease compositions comprising biodegradable ester base storks are provided for a wide variety of machinery including chain saws, truck chassis, and the rail, wheel flanges and switches on the railroads.

BIODEGRADABLE GREASE COMPOSITIONS

Lubricant compositions comprising biodegradable ester base stocks are provided for water-cooled or air-cooled two-cycle engines. Grease compositions comprising biodegradable ester base stocks are provided for a wide variety of machinery including chain saws, truck chassis, and the rail, wheel flanges and switches on the railroads.

BEARING FOR AUTOMOBILE PULLEYS

According to the present invention, PAO oil and ester oil are mixed in a ratio by weight of from 50:50 to 90:10 to provide a base oil having a viscosity of not more than 70 mm2/S at 40.degree. C, to which base oil is then added 5-25% by weight of diurea, which is an alicyclic compound, serving as a thickener, and ZnDTC, which is an additive. The grease thus prepared is filled in a bearing 2. This bearing 2 is fitted in the inner portion of a pulley body 1 having a pulley peripheral surface 1e to be contacted by a belt driven by the engine of an automobile. Thereby, brittle peeling occurring in the raceway surfaces and ball surfaces, and abnormal noise under cold ambient can be reliably prevented.

Synthetisches Schmiermittelgemisch

Schmiermittel

Schmiermittelzusammensetzung

Composition usable as lubricating oil base for jet engines

In the case of a lubricating oil use is made of a composition consisting of a stabilising agent and a mixture of: 1) a pentaerythritol ester component comprising predominantly a pentaerythritol fully esterified by a straight-chain C4-C10 alkanoic acid constituent, and 2) a trimellitate-based constituent comprising predominantly a trimellitic acid completely esterified with a C4-C13 alkanol constituent, the weight ratio of the trimellitate to the pentaerythritol ester being from 1:10 to 1:1.

THIAZOLDERIVATE.

Method for producing lubricating oil composition, lubricating oil composition and continuously variable transmission

Synthetic ester lubricants - contg. ammonium phosphate ester and ammonium organo-sulphonate, esp. useful as aircraft turbine lubricants

Synthetic ester grease base stocks - contg. esters of pentaerythritol and neopentyl glycol

Synthesizing estolide esters with high and controlled oligomerization level and of low residual acid index, comprises oligomerization of a saturated hydroxy acid and esterification of that hydroxy acid, useful e.g. as lubricants

Ce procédé, de type monotope, pour synthétiser des esters d'estolides de degré d'oligomérisation élevé et contrôlé et de faible indice d'acide résiduel, comporte simultanément une oligomérisation d'un hydroxacide saturé et une estérification de cet hydroxyacide par un monoalcool. Application en particulier dans le domaine des lubrifiants.

aprimoramento de eficiência energética em sistemas hidráulicos

Processo de limpeza e condicionamento superficial de superficies metálicas conformadas

LUBRICANT COMPOSITION AND MAGNETIC RECORDING MEDIA PREPARED THEREFROM

A lubricant composition comprising: (A) a compound of the general formula: R1-COO-R2 (wherein R1 is a higher aliphatic hydrocarbon residue; and R2 is an aliphatic hydrocarbon residue which may contain fluorine or oxygen), and (B) a compound of general formula (2), wherein R3 is a higher aliphatic hydrocarbon residue; and R4 and R5 are independently hydrogen or an aliphatic hydrocarbon residue which may contain fluorine or oxygen, and providing a lubricant layer in a magnetic recording medium excellent in stability in traveling, still life and weather resistance.

ASSEMBLY OF MUTUALLY CO-OPERATING MACHINE PARTS, LUBRICATED WITH BIOLOGICALLY DECOMPOSABLE LUBRICANT

The present invention is related to the modification of mutually co-operating machine parts, in particular those surfaces of such parts, which are exposed to friction and wear, that even in such loading conditions, in which previously for the purposes of decreasing of friction coefficient and preventing of wear various mineral or synthetic lubricants had to be used, a sufficiently efficient lubrication could also be achieved by means of biologically decomposable lubricants, especially oils of plant sources and/or saturated and/or non-saturated esters, without reduction of efficiency and reliability of the lubrication as such. According to the invention, at least one of the said parts is equipped with the DLC-coating (diamond-like carbon), which leads to essential reduction of friction at least in the so-called boundary-friction conditions, and consequently also to decreasing of temperature, which normally has negative impact to durability of the lubricants, so that a biologically decomposable ...

Lube base oils with improved yield

The invention provides methods for preparing a blended lube base oils comprising at least one highly paraffinic Fischer Tropsch lube base stocks and at least one base stock composed of alkylaromatics, alkylcycloparaffins, or mixtures thereof. The use of base stocks composed of alkylaromatics, alkylcycloparaffins, or mixtures thereof improves the yield of lube base oils from Fischer Tropsch facilities, as well as provides moderate improvements in physical properties including additive solubility. The invention provides processes for obtaining such blended lube base oils using the products of Fischer Tropsch processes.

Refrigerant compressor and refrigeration device including refrigerant compressor

A refrigerant compressor comprises an electric component; and a compression component which is driven by the electric component and compresses a refrigerant. At least one of slide members included in the compression component is made of an iron-based material. An oxide coating film (150) is provided on a slide surface of the iron-based material, the oxide coating film including a first portion (151), a second portion (152), and/or a third portion (153). The first portion (151) contains at least fine crystals (155). The second portion (152) contains columnar grains (156). The third portion (153) contains layered grains (157).

Lubricated tinplate for drawing and ironing operation

Tinplate container stock coated with a substantially uniform film of lubricant, the lubricant film consisting essentially of a citric acid ester lubricant in an amount of at least 1.8 grams per basebox, and a method for its use in drawing and ironing operations.

Thiazole derivatives

This invention provides thiazole derivative of the general formula см. иллюстрацию в PDF-документе wherein R1, R2, R3, R4, R5 and A are as defined above, and salts thereof. These compounds have particularly potent angiogenesis inhibiting activity.

LUBRICANT COMPOSITION PROMOTING SUSTAINED FUEL ECONOMY

A lubricant composition includes a controlled release friction modifier (CRFM), a highly paraffinic base stock, a dispersant and a detergent. The CRFM includes an ionic tetrahedral borate compound including a cation and a tetrahedral borate anion, wherein the tetrahedral borate anion comprises a boron atom having two bidentate di-oxo ligands of C18 tartrimide. The lubricant composition can also include at least one of a Group V co-base stock, an inorganic friction modifier, a viscosity modifier, and a cleanliness booster.

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system.

Antioxidants and antioxidant boosters capable of producing hydroperoxyl radicals

An antioxidant which comprises a primary aliphatic hydroxyl group linked to an organic backbone such that upon oxidation a hydroperoxyl moiety capable of boosting the efficacy of free radical scavengers and hydroperoxide decomposer type antioxidants is generated in situ. The antioxidant is preferably a high hydroxyl polyol ester having a hydroxyl number ranging from about 30 to about 180 which ester is the reaction product of polyol and an acid which is at least fifty percent branched carboxylic acid, wherein the unconverted hydroxyl group is reacted with a facile leaving group, thereby producing free -CH₂OH groups upon hydrolysis or oxidation.

Viscosity index improver concentrates

A viscosity index improver containing, in non-ester diluent oil, one or more hydrogenated, functionalized linear block copolymers having at least one block derived from monoalkenyl arene covalently linked to at least one block derived from diene in an amount that is greater than the critical overlap concentration (ch*), in mass %, for the linear block copolymers in the diluent oil; and an amount of ester base stock.

ENZYMATIC PROCESS FOR THE SYNTHESIS OF ESTOLIDES

This invention is a process for enzymatic synthesis of estolides through the reaction between stearic acid and methyl ricinoleate, using an immobilized lipase as the catalyst, in a solvent-free medium. This process prevents degradation of the product, reduces the formation of secondary products that generate color and odor in the lubricant, and allows recovery of the lipase and its subsequent reuse.

BIODEGRADABLE OLEIC ESTOLIDE ESTER BASE STOCKS AND LUBRICANTS

EXTREME-PRESSURE ADDITIVE, FRICTION COEFFICIENT MODIFIER AND FUNCTIONAL FLUIDS

An extreme-pressure additive and a friction coefficient modifier each composed of a compound having a group of general formula (I) (wherein R1 to R3 are each hydrogen or methyl, at least one of R2 and R3 being hydrogen) in the molecule; a load-bearing baking fluid, a wear-resistant fluid and a heat-polymerizable substance containing them respectively; and preferably a flame-retardant fluid containing the compound. The above additive and modifier are excellent in performance and are suitably usable for lubricating oils, metal working oils and hydraulic oils. When exposed to high temperature, the above flame-retardant fluid is heat-polymerized to inhibit the vaporization of flammable substances, thus preventing a fire. Therefore, the fluid is suitable for lubricating oils, metal working oils, hydraulic oils, heat treatment oils, grease and so on.

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА ДЛЯ АВТОМАТИЧЕСКОЙ КОРОБКИ ПЕРЕДАЧ

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2018 127 544 A (51) МПК C10M 169/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2018127544, 27.12.2016 (71) Заявитель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: 28.12.2015 JP 2015-256137 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 30.07.2018 R U (43) Дата публикации заявки: 30.01.2020 Бюл. № 4 (72) Автор(ы): МАРУЯМА Рюдзи (JP), КАМЕИ Генки (JP) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2017/114838 (06.07.2017) R U (54) КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА ДЛЯ АВТОМАТИЧЕСКОЙ КОРОБКИ ПЕРЕДАЧ (57) Формула изобретения 1. Композиция смазочного масла для автоматических коробок передач, содержащая в качестве низковязкого базового масла от 55 до 85% мас. синтетического масла Фишера-Тропша с кинематической вязкостью, составляющей при 100°C от 2 до 4 мм2/с; в качестве высоковязкого базового масла от 1 до 10% мас. олефинового сополимера с кинематической вязкостью, составляющей при 100°C от 150 до 1000 мм2/с; и полиметакрилат со средневесовой молекулярной массой, составляющей от 10000 до 50000; и при этом индекс вязкости композиции составляет не менее чем 190, вязкость по Брукфилду при низкой температуре (-40°C) составляет не более чем 6000 мПа⋅с, кинематическая вязкость при 100°C составляет от 6 до 7 мм2/с, и скорость уменьшения кинематической вязкости после KRL-испытания на сопротивление сдвигу (60°C, 20 часов) сохраняется в пределах не более чем 3%. 2. Композиция смазочного масла для автоматических коробок передач по п. 1, дополнительно содержащая от 1 до 20% мас. сложноэфирного базового масла с кинематической вязкостью, при 100°C составляющей от 2 до 5 мм2/с. 3. Композиция смазочного масла для автоматических коробок передач по п. 1 или 2, отличающаяся тем, что при 100°C кинематическая вязкость вышеупомянутого олефинового сополимера составляет от 300 до 800 мм2/с. 4. Композиция смазочного масла для ...

СМАЗОЧНЫЙ СОСТАВ И СПОСОБ ЕГО ПРИГОТОВЛЕНИЯ

... 1. Смазочный состав, включающий смазочную среду и продукт дегидратации гидратов природных минералов или смеси природных минералов, или синтезированных гидратов, в котором продукт дегидратации, включающий оксиды MgO, и/или SiO2, и/или Al2O3, и/или CaO, и/или Fe2O3, и/или K2O, и/или Na2O получены после удаления конституционной воды и разрушения кристаллической решетки при температуре от 400 до 900°C, отличающийся тем, что продукт дегидратации получен после удаления конституционной воды и разрушения кристаллической решетки при температуре не более 900°C, который достигает устойчивой и/или безвозвратной фазы при температурной выдержке в диапазоне 900-1200°C, что обеспечивает получение наноструктуры продукта дегидратации, в диапазоне 100-100000 нм.2. Способ приготовления смазочного состава, который включает этап дегидратации гидратов оксидов металлов и/или не металлов при температуре от 300 до 1200°C, этап перемешивания полученного продукта дегидратации со смазочной средой, где указанные оксиды ...

High temperature lubricant for chains in film stretching plants, comprises ester base oils and corrosion inhibiting, high pressure, antioxidant, metal deactivating and wear reducing additives

A synthetic high temperature lubricant (I) comprises: (A) a base oil mixture of trimellitate ester, polyol ester and complex ester bases; and (B) an additive package containing (a) specific corrosion inhibitor(s), e.g. succinimide hemiesters or alcohol- or phenol phosphate esters, (b) specific high pressure additive(s), e.g. organic phosphates, alkylated dithiocarbamates aor imidazolines, (c) antioxidant(s), (d) non-ferrous metal deactivator(s) and (e) wear reducing agent(s). A synthetic high temperature lubricant (I) for chains comprises: (A) a synthetic base oil mixture of trimellitate ester, polyol ester and complex ester bases; and (B) an additive package, containing (a) corrosion inhibitor(s) selected from dicarboxylate esters, optionally alkylated succinimide hemiesters, optionally alkylated or amine-neutralized succinimide derivatives, alcohol or phenol phosphate esters, organic phosphates, amine-neutralized mono-, di- or triesters of orthophosphoric acid, naphthenic acids, diamides ...

Hydrauliköle mit verbesserter Dichtungsverträglichkeit

SCHWERFLUECHTIGE LOESUNGSMITTEL FUER AROMATENHALTIGE WIRKSTOFFE

Selected, benzoic acid diesters of straight-chain and/or branched aliphatic diols with at least 4 carbon atoms, which are free-flowing at ambient temperature, are used as non-volatile, non-polluting solvents for active ingredients such as oxidation and/or corrosion inhibitors with at least a partially aromatic molecular structure when the latter are used in environmentally safe fats and/or oils, in particular hydraulic oils based on diester oils.

Pulverschmiermittel für einen Druckkolben

Schmiermittel auf der Grundlage neutraler Ester

VERWENDUNG EINES COPOLYMERS AUS POLYOXYALKYLEN-ALKENYL-ETHER UND MALEINSAEUREANHYDRID, MALEINSAEURE, EINEM MALEINSAEURESALZ ODER MALEINSAEUREESTER ALS SCHMIERMITTEL.

Vervendung eines Schmierstoffs für Kompressoren, die ein chlorfreies Fluorkohlenwasserstoff-Kältemittel verwenden

Biologisch abbaubare Schmieröle und funktionelle Flüssigkeiten.

Schmiermittel für Kühlungsverdichter

THIAZOLE DERIVATIVES

Ball bearing and method for producing a cage

A ball hearing comprises a synthetic resin cage impregnated with a lubricating oil having a viscosity of 10 to 150 mm<2>/s at 40 DEG C in an amount of 0.1 to 1.0% by weight of the cage. The oil may contain 0.5 to 10% by weight of a slip agent selected from phosphorus acid esters, fatty acids, higher alcohols, amines, organomolybdenum compounds and mixtures thereof, and 2 to 10% by weight of a rust inhibitor selected from calcium sulphate, barium sulphate and mixtures thereof. The bearing assembly can also be immersed in the oil, so as to leave a film, 0.03 to 20 mu m thick, on the surfaces of the components.

GREASE COMPOSITION

SYNTHETIC LUBRICATING OIL COMPOSITION

High Viscosity Lubricant Compositions Meeting Low Temperature Performance Requirements

A lubricant composition characterized as having a viscosity of less than about 150,000 cP at −40° C., a kinematic viscosity of less than about 150,000 cSt at −40° C., and a kinematic viscosity of at least about 18.5 cSt at 100° C. for use in association with a device involving metal to metal contact of moving parts comprising: (a) base-stock comprising (i) at least one relatively low viscosity polyalphaolefin, (ii) at least one ester, and at least one Group III base oil; (b) viscosity improver comprising (i) at least one relatively high viscosity polyalphaolefin, and (ii) a least one olefin copolymer; (c) a performance additive comprising at least one additive effective to improve at least one property of the lubricant and/or the performance of the equipment in which the lubricant is to be used; (d) at least one pour-point depressant; and, optionally, (e) at least one antifoam agent.

LUBRICATING COMPOSITIONS

This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent. 2. The lubricating composition of claim 1 ,wherein the first base oil component is present in an amount of from 5 wt % to 60 wt %, based on the total weight of the composition;the composition further comprises 20 wt % to 70 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group III base stock or any combination of Group III base stocks; andwherein the composition has a kinematic viscosity at 100° C. of from 5.6 to 16.3 cSt, a Noack volatility of less than 15% as determined by ASTM D5800, a CCS viscosity of less than 6200 cP at −35° C. as determined by ASTM D5293, and an HTHS viscosity of from 2.5 mPa-s to 4.0 mPa-s at 150° C. as determined by ASTM D4683.3. The lubricating composition of claim 1 , wherein the first reactor effluent contains less than 70 wt % of di-substituted vinylidene represented by the following formula:{'br': None, 'sub': '2', 'RqRzC═CH'}wherein Rq and Rz are independently selected from alkyl groups.4. The lubricating composition of claim 1 , wherein the dimer product of the first reactor effluent ...

Method for improving engine wear and corrosion resistance

Provided are lubricating engine oils including a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. One or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at −35° C. In an engine lubricated with the lubricating oil, one or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at −35° C. This improvement in engine wear and corrosion control means that engine oils can be formulated with very high saturate content base stocks such as PAOs or GTL stock while providing improved engine durability. 1. A method for improving one or more of wear and corrosion resistance in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component; wherein one or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock.2. The method of wherein the lubricating oil base stock comprises a Group I claim 1 , II claim 1 , III claim 1 , IV or V base oil stock.3. The method of wherein the lubricating oil base stock comprises a poly alpha olefin (PAO) or gas-to-liquid (GTL) oil base stock.4. The method of wherein the lubricating oil base stock is present in an amount from 80 weight percent to 99 weight percent claim 1 , based on the total weight of the lubricating oil.5. The method of ...

Lubricating Composition

The invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, and (b) an oil soluble compound with a >N—R—N< group, wherein R may be a hydrocarbylene group. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.

Tetrafluoropropene compositions and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

ESTOLIDE COMPOSITIONS EXHIBITING HIGH OXIDATIVE STABILITY

Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: 2. The composition according to claim 1 , whereinx is, independently for each occurrence, an integer selected from 1 to 10;y is, independently for each occurrence, an integer selected from 1 to 10;n is an integer selected from 0 to 8;{'sub': 1', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched; and'}{'sub': 2', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched,'}wherein each fatty acid chain residue is unsubstituted.3. The composition according to claim 2 , whereinx+y is, independently for each chain, an integer selected from 13 to 15; andn is an integer selected from 0 to 6.4. The composition according to claim 1 , wherein Ris an unsubstituted alkyl that is saturated or unsaturated claim 1 , and branched or unbranched5. The composition according to claim 1 , wherein Ris a branched or unbranched Cto Calkyl that is saturated or unsaturated.6. The composition according to claim 5 , wherein Ris selected from methyl claim 5 , ethyl claim 5 , propyl claim 5 , butyl claim 5 , pentyl claim 5 , hexyl claim 5 , heptyl claim 5 , octyl claim 5 , nonyl claim 5 , decanyl claim 5 , undecanyl claim 5 , dodecanyl claim 5 , tridecanyl claim 5 , tetradecanyl claim 5 , pentadecanyl claim 5 , hexadecanyl claim 5 , heptadecanyl claim 5 , octadecanyl claim 5 , nonadecanyl claim 5 , and icosanyl claim 5 , which are saturated or unsaturated and branched or unbranched.7. The composition according to claim 5 , wherein Ris selected from Cto Calkyl.8. (canceled)9. The composition according to claim 1 , wherein Ris a branched or unbranched Cto Calkyl that is saturated or unsaturated.10. The composition according to claim 9 , wherein Ris selected from methyl claim 9 , ethyl claim 9 , propyl claim 9 , butyl claim 9 , pentyl claim 9 , ...

Synthetic lubricant basestocks and methods of preparation thereof

This disclosure relates to vinyl terminated macromer (VTM) based synthetic basestocks and their methods of preparation, lubricant compositions, methods of lubrication and products so lubricated. The VTM based synthetic basestocks useful for fuels and lubricants include oligomerization or polymerization products of one or more allylic vinyl terminated macromers (VTMs) having a molecular weight from 84 to 10080. The one or more allylic VTMs are oligomerized or polymerized in the presence of a catalyst under oligomerization or polymerization conditions sufficient to give the VTM based synthetic basestock. The catalyst can be a metallocene catalyst or an acid catalyst, e.g., Lewis acid. The one or more allylic vinyl terminated macromers (VTMs) can be one or more allylic vinyl terminated atactic polypropylene macromers (VTM aPP) having a molecular weight from 84 to 2250 and having a terminal allylic vinyl olefin content of at least 90%.

Grease wear resistance

Grease wear test device includes a body in a form of a collar having an outer surface, a first side and an opposing second side, which are open to form a hollow, open channel through the body, which has a center axis, into which opposing vee blocks can be inserted; and perpendicular to the center axis, a pair of opposing holes through and open to the outer surface of the body and the cylindrical inside wall, through which a cylindrical test journal (falex pin) can be inserted for contact in general with opposing vee-shaped channels of the inserted, opposing vee blocks, and for rotation during testing. The device can be used to modify a falex pin and vee block device, to receive and contain a small sample of grease or another organic paste product for testing such as a modified version of an ASTM D2670 test method for measuring wear properties of fluid lubricants (falex pin and vee block method). 1. A method for evaluating wear resistance and its effects on a grease or another organic paste product , which comprises carrying out the following steps , which are not necessarily conducted in series: a body in a form of a collar having an outer surface, a first side and an opposing second side;', 'the first and second sides being open so as to form a hollow, open channel through the body having a center axis, into which opposing vee blocks can be inserted; and', 'perpendicular to the center axis, a pair of opposing holes through and open to the outer surface of the body and the cylindrical inside wall, through which a cylindrical test journal (falex pin) can be inserted for contact in general with opposing vee-shaped channels of the inserted, opposing vee blocks, and for rotation during testing—, 'providing a modified falex pin and vee block device so as to further include a grease wear test device, the grease wear test device includingwherein the modified falex pin and vee block device can receive and contain a small sample of grease or another organic paste product ...

LUBRICATING OIL COMPOSITION

Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of the molybdenum element based on the total amount of the lubricating oil composition, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 50 mm/s or less. 14-. (canceled)5. A lubricating oil composition comprising:{'sup': '2', 'a lubricating base oil comprising 1% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and said lubricating base oil having a kinematic viscosity at 40° C. of 22 to 26 mm/s; wherein the amount of the lubricating base oil is 67.5% by mass or more; and'}molybdenum dithiocarbamate in an amount of 100 to 1000 mass ppm in terms of molybdenum element based on the total amount of the lubricating oil composition, wherein{'sup': '2', 'the lubricating oil composition has a kinematic viscosity at 40° C. of 10 of 50 mm/s or less,'}the lubricating oil composition further comprising 2.5% to 24% by mass of a copolymer of an α-olefin and an α,β-ethylenically unsaturated dicarboxylic acid diester, based on the total amount of the lubricating oil composition, wherein the weight-average molecular weight of the copolymer is 6000 to 15000,the lubricating oil further comprising a boron-containing dispersant in an amount of 100 to 500 mass ppm in terms of boron element based on the total amount of the lubricating oil composition,wherein the lubricating oil composition is free of styrene-maleic anhydride ester.6. The lubricating oil composition according to claim 5 , wherein the lubricating base oil comprises a synthetic base oil comprising a poly-α-olefin.7. A method of lubricating a hypoid gear comprising utilizing the lubricating oil composition of . The present invention ...

GEAR LUBRICANT COMPOSITION

The present application relates to a gear lubricant composition comprising: 97 to 99.9 wt.-% trimethylolpropane triester; and 0.1 to 3 wt.-% at least one additive selected from among anti-wear additives, extreme pressure additives, antioxidants, anti-corrosion additives, metal deactivator additives, antifoams, and mixtures thereof. 1. Method of lubricating gearing or equipment comprising gearing , in particular the stem tube comprising the lubrication of the parts in contact with a lubricant composition comprising:97 to 99.9% by weight of a trimethylolpropane triester; and0.1 to 3% by weight of at least one additive chosen from among anti-wear additives, extreme pressure additives, antioxidants, anticorrosive additives, metal deactivator additives, defoamers, and mixtures thereof.2. Method according to claim 1 , wherein the trimethylolpropane triester is a linear or branched C14-C20 saturated or unsaturated fatty acid or saturated fatty acid ester claim 1 , preferably C16-C20 claim 1 , for example C18.3. Method according to claim 1 , wherein the trimethylolpropane triester is a branched C14-C20 saturated fatty acid ester claim 1 , preferably C16-C20 claim 1 , for example C18.4. Method according to claim 3 , wherein the trimethylolpropane triester is trimethylolpropane isostearate.5. Method according to claim 1 , wherein the composition comprises:0.1 to 1% by weight of an anti-wear additive phosphate of amine; and0.1 to 1% by weight of a phenolic antioxidant additive.6. Method according to wherein the amine phosphate is selected from amine alkyl phosphate.7. Method according to claim 1 , wherein the equipment comprising gearing is the stem tube.8. (canceled) The present invention relates to gear lubricant compositions. Said compositions according to the invention are biodegradable, do not bioaccumulate in organisms and do not represent toxicity to the environment, especially the aquatic environment.Since December 2013, US regulations have been amended to require all ...

Lubricant Composition and Methods of Manufacture

A lubricant made by a method of modifying fluid suspended metal sulfide particles that does not require use of hazardous additives. The base oil is derived from a proprietary ester lubricant. The formulation process includes a centrifugation step to remove non-colloidal metal sulfide particles. These non-colloidal particles may be collected and turned into colloidal particles for use in future batches of lubricant.

Lubricant composition for high-temperature applications

A lubricant composition is provided that has reduced deposit formation and a low evaporation allowing for improved performance in high temperature applications relative to conventional high temperature lubricants. The high temperature lubricant composition includes a base oil, wherein the base oil includes at least one polyol ester and at least one pyromellitate ester. In some embodiments, the lubricant composition further includes one or more additives selected from the group of an extreme-pressure additive, an anti-wear additive, an anti-rust additive, a corrosion inhibitor, and an antioxidant, or a combination thereof. Further provided are methods for lubricating an apparatus using the lubricant composition, methods for improving the operational lubrication of a conventional high temperature lubricant, and methods of preparing the high temperature lubricant composition of the present invention.

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 114-. (canceled)15. A composition comprising HFO-1234yf , HFC-32 , HFC-125 , and HFC-134a.16. The composition of wherein the composition comprises from about 20 weight percent to about 98 weight percent HFO-1234yf.17. The composition of further comprising at least one lubricant selected from the group consisting of mineral oils claim 15 , alkylbenzenes claim 15 , synthetic paraffins claim 15 , synthetic naphthenes claim 15 , poly alpha olefins claim 15 , polyalkylene glycols claim 15 , dibasic acid esters claim 15 , polyesters claim 15 , neopentyl esters claim 15 , polyvinyl ethers claim 15 , silicones claim 15 , silicate esters claim 15 , fluorinated compounds claim 15 , phosphate esters and mixtures thereof.181. A process to produce cooling comprising condensing a composition of claim and thereafter evaporating said composition in the vicinity of a body to be cooled.191. A process to produce heat comprising condensing the composition of claim in the vicinity of a body to be heated and thereafter evaporating said composition.20. A method for replacing R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , R438A claim 15 , R502 claim 15 , R507A claim 15 , R507B claim 15 , or R508 claim 15 , in a system that uses claim 15 , used or was designed to use R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , ...

Method for preparing nanoparticle of active ingredient using lipid as lubricant in milling process

The present invention relates to a method for preparing nanoparticle of active ingredient using lipid as lubricant in milling process, and more specifically, it relates to a method for preparing active ingredient into nanoparticle, which can be properly used in drugs, cosmetics, functional foods, etc., by pulverizing a mixture comprising the active ingredient and a lipid as a lubricant, and a biocompatible polymer having a glass transition temperature of 80° C. or higher by roll mill, and then removing the lipid used as a lubricant therefrom by using supercritical fluid.

LUBRICATING OIL AND METHOD FOR PRODUCING THE SAME

The present invention provides a lubricating oil composition comprising a polymer for improving viscosity, the composition suppressing viscosity increase in low temperature and having an excellent low-temperature property, and having low viscosity decrease caused by shearing. The present invention is a lubricating oil composition containing from 30 to 90% by weight of a liquid random copolymer (A) of ethylene and α-olefin produced by a specific method, and 10 to 70% by weight of a lubricating oil base consisting of one or more components selected from specific synthetic oil (B) or mineral oil (C) (note that the sum total of the components (A), (B) and (C) is 100% by weight). 2. The lubricating oil composition according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , at least one among substituents (R1 claim 1 , R2 claim 1 , R3 and R4) bonded to a cyclopentadienyl group claim 1 , is a hydrocarbon group having 4 or more carbon atoms.3. The lubricating oil composition according to claim 1 , wherein Rand R claim 1 , being the same claim 1 , are hydrocarbon groups having 1 to 20 carbon atoms.4. The lubricating oil composition according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituent (Ror R) bonded to the 3-position of the cyclopentadienyl group is a hydrocarbon group.5. The lubricating oil composition according to claim 4 , wherein in the metallocene compound represented by the above Formula 1 claim 4 , the hydrocarbon group (Ror R) bonded to the 3-position of the cyclopentadienyl group is an n-butyl group.6. The lubricating oil composition according to claim 1 , wherein in the metallocene compound represented by the Formula 1 claim 1 , substituents (Rand R) bonded to the 2-position and the 7-position of the fluorenyl group are all tert-butyl groups.8. The lubricating oil composition according to claim 7 , wherein the ammonium cation is a dimethylanilinium cation.9. ...

LUBRICATING OIL COMPOSITION FOR AUTOMOBILE GEARS AND METHOD FOR PRODUCING THE SAME

A lubricating oil composition for automobile gears, including a lubricant base oil and a liquid random copolymer of ethylene and α-olefin(s), the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 7 to 30 mm/s, and wherein the lubricant base oil consists of a mineral oil having a kinematic viscosity at 100° C. of 2 to 10 mm/s, a viscosity index of 105 or more and a pour point of −10° C. or lower, and/or a synthetic oil having a kinematic viscosity at 100° C. of 1 to 10 mm/s, a viscosity index of 120 or more and a pour point of −30° C. or lower. 2. A lubricating oil composition for automobile gears according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , at least one among substituents (R claim 1 , R claim 1 , Rand R) bonded to a cyclopentadienyl group claim 1 , is a hydrocarbon group having 4 or more carbon atoms.3. A lubricating oil composition for automobile gears according to claim 1 , wherein Rand R claim 1 , being the same claim 1 , are hydrocarbon groups having 1 to 20 carbon atoms.4. A lubricating oil composition for automobile gears according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituent (Ror R) bonded to the 3-position of the cyclopentadienyl group is a hydrocarbon group.5. A lubricating oil composition for automobile gears according to claim 4 , wherein in the metallocene compound represented by the above Formula 1 claim 4 , the hydrocarbon group (Ror R) bonded to the 3-position of the cyclopentadienyl group is an n-butyl group.6. A lubricating oil composition for automobile gears according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , the hydrocarbon groups (Rand R) bonded to the 2-position and 7-position of the fluorenyl group are all tert-butyl groups.8. A lubricating oil composition for automobile gears ...

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES AND METHOD FOR PRODUCING THE SAME

A lubricating oil composition for internal combustion engines, including a lubricant base oil and 3% by mass or more, but less than 40% by mass of a liquid random copolymer of ethylene and an α-olefin, the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 6.9 mm/s or more, but less than 12.5 mm/s, and wherein the lubricant base oil consists of a mineral oil having a kinematic viscosity at 100° C. of 2 to 7 mm/s, a viscosity index of 105 or more and a pour point of −10° C. or lower, and/or a synthetic oil having a kinematic viscosity at 100° C. of 1 to 7 mm/s, a viscosity index of 120 or more and a pour point of −30° C. or lower. 2. The lubricating oil composition for internal combustion engines according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , at least one among substituents (R claim 1 , R claim 1 , Rand R) bonded to a cyclopentadienyl group claim 1 , is a hydrocarbon group having 4 or more carbon atoms.3. The lubricating oil composition for internal combustion engines according to claim 1 , wherein Rand R claim 1 , being the same claim 1 , are hydrocarbon groups having 1 to 20 carbon atoms.4. The lubricating oil composition for internal combustion engines according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituent (Ror R) bonded to the 3-position of the cyclopentadienyl group is a hydrocarbon group.5. The lubricating oil composition for internal combustion engines according to claim 4 , wherein in the metallocene compound represented by the above Formula 1 claim 4 , the hydrocarbon group (Ror R) bonded to the 3-position of the cyclopentadienyl group is an n-butyl group.6. The lubricating oil composition for internal combustion engines according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituents (Rand R) ...

LUBRICATING OIL COMPOSITION FOR AUTOMOBILE TRANSMISSION FLUIDS AND METHOD FOR PRODUCING THE SAME

A lubricating oil composition for automobile transmissions including a lubricant base oil, and a liquid random copolymer of ethylene and α-olefin, the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 4.0 to 7.5 mm/s, and a Brookfield viscosity at −40° C. of 20,000 mPa·s or less, and wherein the lubricant base oil consists of a mineral oil with a kinematic viscosity at 100° C. of 2 to 10 mm/s, a viscosity index of 105 or more, and a pour point of −10° C. or lower, and/or a synthetic oil with a kinematic viscosity at 100° C. of 1 to 10 mm/s, a viscosity index of 120 or more, and a pour point of −30° C. or lower. 2. The lubricating oil composition for automobile transmissions fluids according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , at least one among substituents (R claim 1 , R claim 1 , Rand R) bonded to a cyclopentadienyl group is a hydrocarbon group having 4 or more carbon atoms.3. The lubricating oil composition for automobile transmissions fluids according to claim 1 , wherein Rand R claim 1 , being the same claim 1 , are hydrocarbon groups having 1 to 20 carbon atoms.4. The lubricating oil composition for automobile transmissions fluids according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituent (Ror R) bonded to the 3-position of the cyclopentadienyl group is a hydrocarbon group.5. The lubricating oil composition for automobile transmissions fluids according to claim 4 , wherein in the metallocene compound represented by the above Formula 1 claim 4 , the hydrocarbon group (Ror R) bonded to the 3-position of the cyclopentadienyl group is an n-butyl group.6. The lubricating oil composition for automobile transmissions fluids according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituents (Rand R) bonded to ...

UNIQUE OIL AS A SERVICE EVENT

A method of performing a cleanup service on an internal combustion engine. The method involves draining used fleet oil from the engine, filling the engine with cleanup oil, draining the cleanup oil after an operation interval, and filling the engine with fresh fleet oil. The method can be performed as a remedial measure for an engine already exhibiting high oil consumption, or as a preventative measure on a healthy engine. 1. A method of performing a cleanup service on an internal combustion engine , the method comprising:draining used fleet oil from the internal combustion engine;filling the internal combustion engine with a first cleanup oil;draining the first cleanup oil after an operation interval; andfilling the internal combustion engine with fresh fleet oil.2. The method of claim 1 , further comprising claim 1 , before filling the internal combustion engine with the first cleanup oil claim 1 , flushing the internal combustion engine with a second cleanup oil.3. The method of claim 2 , wherein the first cleanup oil or the second cleanup oil comprises an ester-based oil claim 2 , an alkylated naphthalene and a polyalphaolefin base oil.4. The method of claim 2 , wherein the first cleanup oil has a same formulation as the second cleanup oil.5. The method of claim 2 , wherein the first cleanup oil has a different formulation than the second cleanup oil.6. The method of claim 2 , wherein the first cleanup oil or the second cleanup oil comprises a non-petroleum-based oil.7. The method of claim 1 , wherein the operation interval is at least 20 claim 1 ,000 miles.8. The method of claim 1 , wherein the first cleanup oil dissolves at least one of sludge claim 1 , varnish claim 1 , and hard carbon in the internal combustion engine and wherein draining the first cleanup oil after an operation interval includes draining the dissolved at least one of sludge claim 1 , varnish claim 1 , and hard carbon from the internal combustion engine.9. The method of claim 8 , wherein the ...

LUBRICATING OIL COMPOSITION FOR HYDRAULIC OIL AND METHOD FOR PRODUCING THE SAME

A lubricating oil composition for hydraulic oils including 10 to 99% by mass of a lubricant base oil (A) with a kinematic viscosity at 100° C. of 1 to 14 mm/s, a viscosity index of 100 or more, and a pour point of 0° C. or lower, and 90 to 1% by mass of a liquid random copolymer (B) of ethylene and α-olefin prepared using a specific catalyst, wherein the total amount of (A) and (B) is 100% by mass, and having a kinematic viscosity at 100° C. of 10 to 300 mm/s. 2. The lubricating oil composition for hydraulic oils according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , at least one among substituents (R claim 1 , R claim 1 , Rand R) bonded to a cyclopentadienyl group is a hydrocarbon group having 4 or more carbon atoms.3. The lubricating oil composition for hydraulic oils according to claim 1 , wherein Rand R claim 1 , being the same claim 1 , are hydrocarbon groups having 1 to 20 carbon atoms.4. The lubricating oil composition for hydraulic oils according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , substituent (Ror R) bonded to the 3-position of the cyclopentadienyl group is a hydrocarbon group.5. The lubricating oil composition for hydraulic oils according to claim 4 , wherein in the metallocene compound represented by the above Formula 1 claim 4 , the hydrocarbon group (Ror R) bonded to the 3-position of the cyclopentadienyl group is an n-butyl group.6. The lubricating oil composition for hydraulic oils according to claim 1 , wherein in the metallocene compound represented by the above Formula 1 claim 1 , the hydrocarbon group (Rand R) bonded to the 2-position and 7-position of the fluorenyl group are all tert-butyl groups.8. The lubricating oil composition for hydraulic oils according to claim 7 , wherein the ammonium cation is a dimethylanilinium cation.9. The lubricating oil composition for hydraulic oils according to claim 7 , wherein the catalyst system further ...

LUBRICANT COMPOSITION

Disclosed is a lubricating oil composition containing a base oil, a viscosity index improver, a molybdenum-based friction modifier, a boron-containing dispersant, and at least two extreme-pressure additives selected from a sulfur-based extreme-pressure additive, a phosphorous-based extreme-pressure additive and a sulfur/phosphorus-based extreme-pressure additive, or a sulfur/phosphorus-based extreme-pressure additive. The base oil is a synthetic oil having a kinematic viscosity at 100° C. of 3 mm/s or more and 10 mm/s or less, the viscosity index improver is a resin having a number average molecular weight (Mn) of 1,000 or more and 10,000 or less, the mass ratio of boron atoms (B) contained in the boron-containing dispersant to molybdenum atoms (Mo) contained in the molybdenum-based friction modifier, [(B)/(Mo)] is 1 or more and 5 or less, and the mass ratio of sulfur atoms (S) to phosphorus atoms (P) contained in the extreme-pressure additive(s), [(S)/(P)] is 10 or more and 20 or less. 1. A lubricating oil composition , comprising:a base oil;a viscosity index improver;a molybdenum-based friction modifier;a boron-containing dispersant; andat least two extreme-pressure additives selected from the group consisting of a sulfur-based extreme-pressure additive, a phosphorous-based extreme-pressure additive and a sulfur/phosphorus-based extreme-pressure additive, or a sulfur/phosphorus-based extreme-pressure additive,wherein:the base oil is formed of only a synthetic oil;{'sup': 2', '2, 'a kinematic viscosity of the base oil at 100° C. is 3 mm/s or more and 10 mm/s or less;'}the viscosity index improver is a resin having a number average molecular weight (Mn) of 1,000 or more and 10,000 or less;a mass ratio of boron atoms (B) contained in the boron-containing dispersant to molybdenum atoms (Mo) contained in the molybdenum-based friction modifier, [(B)/(Mo)] is 1 or more and 5 or less; anda mass ratio of sulfur atoms (S) to phosphorus atoms (P) contained in the extreme- ...

POLYMER GREASE MANUFACTURING PROCESS

A process for the manufacture of a lubricating grease composition, the process comprising steps of: (a) providing an essentially homogeneous liquid composition comprising a lubricating oil and a thickening polymer, and (b) flowing the liquid composition through a shear-mixing device to mix and cool the liquid composition to form a lubricating grease composition. 1. A process for a manufacture of a lubricating grease composition , the process comprising steps of:providing an essentially homogeneous liquid composition comprising a lubricating oil and a thickening polymer;flowing the essentially homogeneous liquid composition through a shear-mixing device to mix and cool the essentially homogeneous liquid composition to form the lubricating grease composition,wherein the thickening polymer forms from 5 to 20 wt % of the essentially homogeneous liquid composition,wherein the liquid composition flows through the shear-mixing device along a flow-path provided with one or more temperature-controlled portions to each at least one of heat and cool the liquid composition,wherein the shear-mixing device comprises at least one pair of heat-transfer plates between which the liquid composition is flowed,wherein the surface of at least one plate is provided with surface features in a flow path of the liquid composition which act as baffles for the flow of the liquid composition, causing shear-mixing.2. The process according to claim 1 , wherein the essentially homogeneous liquid composition is provided at a temperature of from 150 to 350° C. from 200 to 250° C.3. The process according to claim 1 , wherein the lubricating oil comprises oils selected from mineral oils claim 1 , synthetic hydrocarbons claim 1 , ester oils claim 1 , vegetable oils and mixtures of two or more thereof.4. The process according to claim 1 , claims claim 1 , the thickening polymer further comprising a polymer selected from polyamides claim 1 , polyesters claim 1 , polyethylene oxides claim 1 , polyethylene ...

Low viscosity ester lubricant and method for using

According to the present disclosure, there is provided a high-temperature lubricant composition. The composition has an amount of an ester. The ester exhibits a kinematic viscosity at 100° C. of 1 to 4 centistokes and a kinematic viscosity ratio at 150° C./100° C. of 0.6 or higher. The composition is at a temperature of 100° C. to 150° C. There is also another lubricating composition having the ester and a polymeric viscosity modifier. There are also methods for using the lubricating compositions in the crankcase of an engine.

GREASE COMPOSITION, ROLLING BEARING, AND MOTOR

A grease composition according to an embodiment includes a base oil, a thickener and 0.5% by weight or more of a dispersing agent, the dispersing agent including at least one of a carboxylic acid metal salt, a metal salt of a polycarboxylic acid and a copolymer of a carboxylic acid metal salt and a hydrocarbon compound. 1. A grease composition including:a base oil;a thickener; and0.5% by weight or more of a dispersing agent,the dispersing agent including at least one of a carboxylic acid metal salt, a metal salt of a polycarboxylic acid and a copolymer of a carboxylic acid metal salt and a hydrocarbon compound.2. The grease composition according to claim 1 , wherein at least one of the carboxylic acid metal salt and the metal salt of the polycarboxylic acid is an alkali metal salt or an alkaline earth metal salt claim 1 , the alkali metal salt including at least one of a sodium salt claim 1 , a lithium salt claim 1 , and a potassium salt claim 1 , the alkaline earth metal salt including at least one of a magnesium salt and a calcium salt.3. The grease composition according to claim 1 , wherein the carboxylic acid metal salt forming the copolymer of the carboxylic acid metal salt and the hydrocarbon compound is an alkali metal salt or an alkali earth metal salt claim 1 , the alkali metal salt including at least one of a sodium salt claim 1 , a lithium salt claim 1 , and a potassium salt claim 1 , the alkaline earth metal salt including at least one of a magnesium salt and a calcium salt.4. The grease composition according to claim 1 , wherein a content of the dispersing agent is 10% by weight or less.6. A rolling bearing comprising the grease composition according to .7. A motor comprising the rolling bearing according to .9. A rolling bearing comprising the grease composition according to .10. A motor comprising the rolling bearing according to . The present application claims priority to and incorporates by reference the entire contents of Japanese Patent ...

LUBRICATING OIL COMPOSITIONS WITH ENGINE WEAR PROTECTION

A method for improving wear control of a steel surface lubricated with a lubricating oil through the generation of thick tribofilms. The method includes: (i) using as the lubricating oil a formulated oil, the formulated oil having a composition comprising at least one lubricating oil base stock as a major component; and at least one lubricating oil additive, as a minor component; and (ii) forming a tribofilm on the steel surface. In time-step tribofilm formation measurements of the lubricating oil by a mini-traction machine (MTM) at constant slide-to-roll ratio (SRR), the saturation traction coefficient (f), which correlates to tribofilm thickness on the steel surface, is greater than about 0.11. In the method of this disclosure, elongation of timing chain due to wear of chain link pins is less than about 0.07%, as determined by Ford Chain Wear (FCW) test conducted in accordance with ILSAC GF-6 specification. The lubricating oils are useful in internal combustion engines. 1. A method for improving wear control of a steel surface lubricated with a lubricating oil , said method comprising: (i) using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one lubricating oil base stock as a major component; and at least one lubricating oil additive , as a minor component; and (ii) forming a tribofilm on the steel surface; wherein , in time-step tribofilm formation measurements of the lubricating oil by a mini-traction machine (MTM) at constant slide-to-roll ratio (SRR) , the saturation traction coefficient (f) , which correlates to tribofilm thickness on the steel surface , is greater than about 0.11.2. The method of wherein elongation of timing chain due to wear of chain link pins is less than about 0.07% claim 1 , as determined by Ford Chain Wear (FCW) test in accordance with ILSAC GF-6 specification.3. The method of wherein the lubrication regime at the steel surface comprises boundary- and mixed-layer lubrication ...

Lubricating oil compositions having improved cleanliness and wear performance

A method for improving wear control, while maintaining or improving deposit control and cleanliness, in an engine or other mechanical component lubricated with a 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 specific combinations of low soap detergents, dispersants, and/or mixtures thereof, as a minor component. The low soap detergents include alkaline earth metal salicylates, alkaline earth metal sulfonates, or mixtures thereof, all having the same or different total base number (TBN). The total amount of soap delivered by the low soap detergent is less than 0.60 weight percent of the lubricating oil. The dispersants include borated and/or non-borated polyisobutylene succinimide (PIMA) having a basic nitrogen content of 1% or greater. The lubricating oils are useful in internal combustion engines.

LUBRICATING OIL COMPOSITIONS WITH ENGINE WEAR PROTECTION

A method for improving wear control of a steel surface lubricated with a lubricating oil through the generation of fast-forming tribofilms. The method includes: (i) using as the lubricating oil a formulated oil, the formulated oil having a composition comprising at least one lubricating oil base stock as a major component, and at least one detergent, as a minor component; and (ii) forming a tribofilm on the steel surface. The time for the tribofilm to reach 95% of its saturation coverage (t) on the steel surface is less than about 50 minutes, as determined by a high frequency reciprocating rig (HFRR) in accordance with a modified version of ASTM D6079. A lubricating oil including an ester base stock, an alkylated naphthalene base stock, or mixtures thereof, as a major component; and at least one detergent including an alkaline earth metal salicylate, an alkaline earth metal sulfonate, or mixtures thereof, as a minor component. 1. A method for improving wear control of a steel surface lubricated with a lubricating oil , said method comprising: (i) using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one lubricating oil base stock as a major component; and at least one detergent , as a minor component; and (ii) forming a tribofilm on the steel surface; wherein the time for the tribofilm to reach 95% of its saturation coverage (t) on the steel surface is less than about 50 minutes , as determined by a high frequency reciprocating rig (HFRR) in accordance with a modified version of ASTM D6079; and wherein , in tribofilm formation measurements of the lubricating oil by a mini-traction machine (MTM) in Stribeck mode , the number of Stribeck passes (S) until an increase in traction coefficient at 10 mm/s is achieved , which correlates to onset of the tribofilm formation on the steel surface , is about 2 or less.2. The method of wherein elongation of timing chain due to wear of chain link pins is less than about 0.07% ...

Star polymer and lubricating composition thereof

The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a star polymer that has at least two inner blocks, at least one of which is in turn bonded to one or more outer blocks. The invention further relates to methods of lubricating a mechanical device with the lubricating composition.

LUBRICATING OIL ADDITIVE AND LUBRICATING OIL COMPOSITION

A lubricating oil additive comprising an organic molybdenum compound represented by general formula (1) below: (1) Wherein in formula (1), R1 denotes a straight chain or branched chain alkyl group represented by the general formula CH(n is a positive integer) or a cyclohexyl group, R2 denotes a methyl group or an ethyl group, and R1 and R2 are different. The lubricating oil additive is able to adjust frictional properties to a suitable level. 2. A lubricating oil additive according to claim 1 , wherein in the alkyl group represented by the general formula CHin R1 claim 1 , the number of carbon atoms (n) is an integer from 2 to 20.3. A lubricating oil additive according to claim 1 , wherein in the alkyl group represented by the general formula CHin R1 claim 1 , the number of carbon atoms (n) is an integer from 3 to 18.4. A lubricating oil additive according to claim 1 , wherein in the alkyl group represented by the general formula CHin R1 claim 1 , the number of carbon atoms (n) is an integer from 4 to 12.5. A lubricating oil additive according to claim 1 , wherein R1 is a cyclohexyl group and R2 is a methyl group.6. A lubricating oil additive according to claim 1 , wherein R1 is a cyclohexyl group and R2 is an ethyl group.7. A lubricating oil additive according to claim 1 , wherein R1 is an n-butyl group and R2 is a methyl group.8. (canceled)10. A lubricating oil composition according to claim 9 , wherein in the alkyl group represented by the general formula CHin R1 claim 9 , the number of carbon atoms (n) is an integer from 2 to 20.11. A lubricating oil composition according to claim 9 , wherein in the alkyl group represented by the general formula CHin R1 claim 9 , the number of carbon atoms (n) is an integer from 3 to 18.12. A lubricating oil composition according to claim 9 , wherein in the alkyl group represented by the general formula CHin R1 claim 9 , the number of carbon atoms (n) is an integer from 4 to 12.13. A lubricating oil composition according to ...

Lubricating oil additive and lubricating oil composition

A lubricating oil additive comprising an organic molybdenum compound represented by general formula (1) below: wherein in formula (1), R1 denotes a straight chain or branched chain alkyl group represented by the general formula C n H 2n+1 (n is a positive integer) or a cyclohexyl group, R2 denotes a methyl group or an ethyl group, and R1 and R2 are different. The lubricating oil additive is suitable for use as a friction modifier in a lubricating composition and is able to adjust frictional properties to a suitable level.

Hydraulic Fluid and Lubricant Compositions Using Biodiesel

A composition and method of making hydraulic fluids and lubricants using biodiesel as a blending component or base oil. Preferably around 0.1 to 45% of biodiesel is used as a blending component in a hydraulic fluid or as a base oil or additive in a lubricant. The use of biodiesel has environmental and cost advantages over other blending components or base oils. Lubricants and hydraulic fluids having ISO viscosity grades as low as 22 and 32 may be achieved by the use of biodiesel, while still meeting applicable standards for environmental acceptability. 1. A lubricant or hydraulic fluid comprising biodiesel and at least one other base oil.2. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 0.1% to 55% by weight biodiesel.3. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 0.1% to 45% by weight biodiesel and 99.9 to 55% total of one or more vegetable oils as the only other base oil.4. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 1% to 40% by weight biodiesel and around 99% to 60% total of one or more vegetable oils.5. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 5% to 35% by weight biodiesel and around 95% to 65% total of one or more vegetable oils.6. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 0.1% to 55% by weight biodiesel and around 99.9% to 45% total of one or more higher viscosity base oils as the only other base oil.7. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 5% to 55% by weight biodiesel and around 95% to 45% total of one or more higher viscosity base oils.8. The lubricant or hydraulic fluid according to wherein the lubricant or hydraulic fluid comprises around 1% to 45% by weight biodiesel and around 99% to 55% ...

Rolling bearing

A rolling bearing that can prevent peeling on a surface of an iron-based metal member by hydrogen brittleness even under a severe environment is provided. The rolling bearing 1 has plural bearing elements formed of an iron-based metal, and a lubricant composition 7 that lubricates metal contact surfaces of the respective bearing elements, the lubricant composition 7 is a grease containing a base oil and alkanolamine and being free of alkali metal salts and alkaline earth metal salts of inorganic acids, the base oil is at least one oil selected from alkyl diphenyl ether oils, poly-α-olefin oils and ester oils, and the alkanolamine is contained by 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the base oil and a thickener.

Viscosity Index Improver Concentrates

A viscosity index improver containing, in diluent oil, one or more optionally functionalized linear block copolymers having at least one block derived from alkenyl arene covalently linked to at least one block derived from diene in an amount that is greater than the critical overlap concentration (c*), in mass %, for the linear block copolymers in the diluent oil; and ester base stock and/or at least one star (or radial) polymer, the star polymer being present in an amount such that the c/c* value of the star polymer in the concentrate falls within the range of from 0.01 to about 1.6, wherein c is the concentration in mass % of star polymer in the concentrate and c* is the critical overlap concentration in mass % for the star polymer in the diluent oil used to form the concentrate. 1. A viscosity index improver concentrate comprising , in diluent oil , one or more linear block copolymers having at least one block derived from alkenyl arene covalently linked to at least one block derived from diene in an amount that is greater than the critical overlap concentration (c*) , in mass % , for the linear block copolymers in said diluent oil; and at least one star polymer , said star polymer being present in an amount such that the c/c* value of the star polymer in the concentrate falls within the range of from 0.01 to about 1.6 , wherein c is the concentration in mass % of star polymer in said concentrate and c* is the critical overlap concentration in mass % for the star polymer in said diluent oil.2. A VI improver concentrate of claim 1 , wherein the diene blocks and/or alkenyl arene blocks of said linear block copolymers are functionalized to have pendant ester claim 1 , amine claim 1 , imide or amide functional groups.3. A VI improver concentrate of claim 1 , further comprising greater than 1 mass % claim 1 , based on the total mass of the concentrate claim 1 , of ester base stock.4. A VI improver concentrate of claim 3 , comprising from about 5 mass % to about 60 ...

REFRIGERATING MACHINE OIL

The present invention provides a refrigerating machine oil including a lubricating base oil and a compound represented by the following formula (A): 2. The refrigerating machine oil according to claim 1 , comprising at least one oxygen-containing oil selected from the group consisting of esters and ethers claim 1 , as the lubricating base oil.3. The refrigerating machine oil according to claim 1 , further comprising an epoxy compound.4. The refrigerating machine oil according to claim 3 , comprising at least one selected from the group consisting of glycidyl ether-based epoxy compounds claim 3 , glycidyl ester-based epoxy compounds claim 3 , oxirane compounds claim 3 , alkyl oxirane compounds claim 3 , alicyclic epoxy compounds claim 3 , epoxidized fatty acid monoesters claim 3 , and epoxidized plant oils claim 3 , as the epoxy compound.5. The refrigerating machine oil according to claim 3 , comprising at least one selected from the group consisting of glycidyl ether-based epoxy compounds claim 3 , glycidyl ester-based epoxy compounds claim 3 , and alicyclic epoxy compounds claim 3 , as the epoxy compound.6. The refrigerating machine oil according to claim 1 , wherein the polar group has an oxygen atom. The present invention relates to a refrigerating machine oil.Refrigerating machines such as refrigerators, car air-conditioners, room air-conditioners, and automatic vending machines have compressors for circulating refrigerants through their refrigerating cycles. These compressors are filled with refrigerating machine oils for lubricating slide members. Refrigerating machine oils are required to have properties such as antiwear property and stability.Refrigerating machine oils generally contain lubricating base oils and additives which are selected depending on the aforementioned required properties. Conventionally, orthophosphate esters, acid phosphate esters, and the like are used as additives (antiwear agents) for improving antiwear property (for example, see ...

ESTOLIDE COMPOSITIONS EXHIBITING HIGH OXIDATIVE STABILITY

Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: 1131-. (canceled)133. The base oil according to claim 132 , whereinx is, independently for each occurrence, an integer selected from 0 to 14;y is, independently for each occurrence, an integer selected from 0 to 14;n is an integer selected from 0 to 8;{'sub': 1', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched; and'}{'sub': 2', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched,'}wherein each fatty acid chain residue is unsubstituted.134. The base oil according to claim 133 , whereinx+y is, independently for each chain, an integer selected from 13 to 15; andn is an integer selected from 0 to 6.135. The base oil according to claim 134 , wherein Ris branched.136. The base oil according to claim 135 , wherein Ris selected from Cto Calkyl.137. The base oil according to claim 136 , wherein Ris 2-ethylhexyl.138. The base oil according to claim 135 , wherein Ris unbranched.139. The base oil according to claim 132 , wherein the base oil claim 132 , when combined with an antioxidant claim 132 , exhibits a time of at least 700 minutes when tested in a rotating pressurized vessel oxidation test using ASTM Method 2272-11.140. The base oil according to claim 132 , wherein the base oil claim 132 , when combined with an antioxidant claim 132 , exhibits a time of at least 1000 minutes when tested in a rotating pressurized vessel oxidation test using ASTM Method 2272-11.141. The base oil according to claim 132 , wherein the antioxidant comprises at least one of an amine antioxidant or a phenolic antioxidant.142. The base oil according to claim 141 , the estolide base oil has an acid value equal to or less than 0.1 mg KOH/g143. The base oil according to claim 142 , wherein the antioxidant comprises a diarylamine antioxidant ...

GREASE COMPOSITIONS AND A METHOD FOR MAKING THE SAME

A grease composition comprising a thickener and a lubricating base oil, wherein the lubricating base oil has a viscosity in the range of from 5-1000 cSt (at 40° C.). The thickener is present in an amount of 5-40 wt. %, based on total weight of the grease composition. The thickener comprises an ester terminated oligomer which has the general formula: “R1-O—[CO—R2-CO—NH—R3-NH—CO—R2-CO]n-O—R1”. “R1” represents a hydrocarbon group containing 4-22 carbon atoms. “R2” represents a hydrocarbon group containing 4-42 carbon atoms. “R3” represents a hydrocarbon group containing 2-9 carbon atoms. “n” represents an integer in the range of 1-20. The weight ratio between the lubricating base oil and the ester terminated oligomer (oil/oligomer) is larger than 1. The grease composition can be used for lubricating a mechanical component having a metal surface and/or for protecting a mechanical component having a metal surface against corrosion, wear and/or fretting. 1. A grease composition comprising:a thickener; anda lubricating base oil,wherein the lubricating base oil has a viscosity in the range of from 5-1000 cSt (at 40° C.),wherein the thickener is present in an amount of 5-40 wt. %, based on a total weight of the grease composition, {'br': None, 'R1-O—[CO—R2-CO—NH—R3-NH—CO—R2-CO]n-O—R1,'}, 'wherein the thickener comprises an ester terminated oligomer which has the general formula ofwherein R1 each independently represent a hydrocarbon group containing 4-22 carbon atoms,wherein R2 represents a hydrocarbon group containing 4-42 carbon atoms,wherein R3 represents a hydrocarbon group containing 2-9 carbon atoms,wherein n represents an integer in the range of 1-20,wherein the weight ratio between the lubricating base oil and the ester terminated oligomer (oil/oligomer) is larger than 1.2. The grease composition according to claim 1 , comprising:(a) 75 to 90 wt % of the lubricating base oil; and(b) 10 to 25 wt % of the oligomer,wherein all weights are based on the total weight of ...

GREASE COMPOSITIONS AND METHOD FOR MAKING THE SAME

A grease composition comprising a lubricating base oil and a thickener, which thickener comprises an ester-terminated oligomer and a polymer. The polymer is a polyolefin. The ester-terminated oligomer has the general formula: “R1—O—[CO—R2—CO—NH—R3—NH—CO—R2—CO]—O—R1”. “R1” each independently represent a hydrocarbon group containing 4-22 carbon atoms. “R2” represents a hydrocarbon group containing 4-42 carbon atoms. “R3” represents a hydrocarbon group containing 2-9 carbon atoms. “n” represents an integer in the range of 1-20. A method for preparing the present grease composition. The present grease composition can be used for (a) lubricating a mechanical component having a metal surface and (b) protecting a mechanical component having a metal surface against corrosion, wear and/or fretting. 1. A grease composition comprising:a lubricating base oil anda thickener comprising an ester-terminated oligomer and a polymer,wherein the polymer is a polyolefin, {'br': None, 'sub': 'n', 'R1—O—[CO—R2—CO—NH—R3—NH—CO—R2—CO]—O—R1,'}, 'wherein the ester-terminated oligomer has the general formula ofwherein R1 each independently represents a hydrocarbon group containing 4-22 carbon atoms;wherein R2 represents a hydrocarbon group containing 4-42 carbon atoms;wherein R3 represents a hydrocarbon group containing 2-9 carbon atoms;wherein n represents an integer in the range of 1-20.2. The grease composition according to comprising:(a) 75 to 90 wt. % of the lubricating base oil;(b) 1 to 19 wt. % of the ester terminated oligomer; and(c) 1 to 19 wt. % of the polymer which is a polyolefin, all weights based on the total weight of the grease composition.3. The grease composition according to comprising:(a) 76 -84 wt. % of the lubricating base oil;(b) 11-15 wt. % of the ester terminated oligomer; and(c) 5-9 wt. % of the polymer which is a polyolefin, wherein all weights are based on the total weight of the grease composition.4. The grease composition according to claim 1 , wherein n is an ...

HETEROGENEOUS CATALYST FOR TRANSESTERIFICATION AND METHOD OF PREPARING SAME

A transesterification catalyst that is heterogeneous and a method for preparing said transesterification catalyst are provided. The catalyst can be used in a variety of transesterification reactor configurations including CSTR (continuous stirred tank reactors), ebullated (or ebullating) beds or any other fluidized bed reactors, and PFR (plug flow, fixed bed reactors). The catalyst can be used for manufacturing commercial grade biodiesel, biolubricants and glycerin. 2. The compound of claim 1 , wherein the ceramic substrate is selected from the group consisting of zirconia claim 1 , silica claim 1 , alumina claim 1 , and combinations thereof.3. The compound of claim 1 , wherein the total surface area of the compound is 20 square meters per gram or greater.4. The compound of claim 1 , wherein the active surface area of the compound is 20 square meters per gram or greater.5. The compound of claim 1 , wherein the average diameter of the pores in the compound is in the range from 1-10 nanometers.6. The compound of claim 1 , wherein the compound is active at a temperature in the range from 40 to 70 degrees C.7. The compound of claim 1 , wherein the compound is active at a temperature in the range from 40 to 130 degrees C.8. The compound of claim 1 , wherein the transesterification catalyst is porous.9. A method of preparing a transesterification catalyst comprising:mixing a metal hydroxide with the metal selected from the group consisting of potassium, sodium and lithium with a metal hydroxide with the metal selected from the group consisting of calcium, magnesium and barium in a ratio of about 1:10 by weight to form a component mixture;dissolving the component mixture in phosphoric acid;heating the component mixture to a temperature in the range from 60-90 degrees C.;precipitating a solid compound;mixing the precipitate with ceramic substrate in a ratio of about 2:10 by weight and washing with water to form a precipitate/ceramic substrate mixture; andcalcining the ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 114-. (canceled)15. A composition consisting essentially of from about 20 weight percent to about 80 weight percent HFO-1234yf , about 5 weight percent to about 40 weight percent HFC-134a , and about 5 weight percent to about 40 weight percent HFC-152a.16. The composition of claim 15 , further containing at least one non-refrigerant component selected from the group consisting of lubricants claim 15 , dyes claim 15 , solubilizing agents claim 15 , compatibilizers claim 15 , stabilizers claim 15 , tracers claim 15 , perfluoropolyethers claim 15 , anti-wear agents claim 15 , extreme pressure agents claim 15 , corrosion and oxidation inhibitors claim 15 , metal surface energy reducers claim 15 , metal surface deactivators claim 15 , free radical scavengers claim 15 , foam control agents claim 15 , viscosity index improvers claim 15 , pour point depressants claim 15 , detergents claim 15 , viscosity adjusters claim 15 , and mixtures thereof.17. The composition of claim 16 , wherein said lubricant is selected from the group consisting of mineral oils claim 16 , alkylbenzenes claim 16 , synthetic paraffins claim 16 , synthetic naphthenes claim 16 , poly alpha olefins claim 16 , polyalkylene glycols claim 16 , dibasic acid esters claim 16 , polyol esters claim 16 , neopentyl esters claim 16 , polyvinyl ethers claim 16 , silicones claim 16 , silicate esters claim 16 , fluorinated compounds claim 16 , phosphate esters and mixtures thereof.18. The composition of claim 16 , wherein said stabilizer is selected from the group consisting of hindered phenols claim 16 , ...

LUBRICATING OIL COMPOSITION FOR SHOCK ABSORBER

Provided is a lubricating oil composition for a shock absorber, which realizes excellent riding comfort in low-temperature and high-temperature environments and can suppress worsening of riding comfort with time, which is caused by evaporation and shearing of the lubricating oil. The lubricating oil composition for a shock absorber contains (A) a base oil having a pour point of lower than −40° C. and a kinematic viscosity at 80° C. of from 2.0 to 2.7 mm/s, (B-1) from 1 to 15% by mass of a polymethacrylate having a weight-average molecular weight of from 10,000 to less than 100,000, and (B-2) from 0.1 to 5% by mass of a polymethacrylate having a weight-average molecular weight of from 100,000 to 200,000. 1: A lubricating oil composition , comprising:{'sup': '2', '(A) a base oil having a pour point of lower than −40° C. and a kinematic viscosity at 80° C. of from 2.0 to 2.7 mm/s;'}(B-1) from 1 to 15% by mass of a polymethacrylate having a weight-average molecular weight of from 10,000 to less than 100,000; and(B-2) from 0.1 to 5% by mass of a polymethacrylate having a weight-average molecular weight of from 100,000 to 200,000.2: The lubricating oil composition according to claim 1 , wherein the density at 15° C. of the base oil of the component (A) is from 0.80 to 0.83 g/cm.3: The lubricating oil composition according to claim 1 , which comprises from 1.1 to 20% by mass in a total amount of the component (B-1) and the component (B-2) in the lubricating oil composition.4: The lubricating oil composition according to claim 1 , wherein the polymethacrylate of the component (B-1) and/or the component (B-2) is a nondispersive polymethacrylate.5: The lubricating oil composition according to claim 1 , wherein the NOACK value at 150° C. of the lubricating oil composition is 12% by mass or less.6: The lubricating oil composition according to claim 1 , wherein the Brookfield viscosity at −40° C. of the lubricating oil composition is 700 mPa·s or less.7: The lubricating oil ...

METHOD FOR IMPROVING OXIDATION AND DEPOSIT RESISTANCE OF LUBRICATING OILS

Provided is a method for improving oxidation resistance and deposit resistance of a lubricating oil for use in lubricating a mechanical component. The method includes the step of providing the lubricating oil to the mechanical component and measuring the improved oxidation and deposit resistance. The lubricating oil includes a lubricating oil base stock at from 0 to 80 wt %, at least one branched isoparaffin having a mole % of epsilon carbon as measured by CNMR of less than or equal to 10% at from 20 to 80 wt %, at least one viscosity modifier at from 5 to 20 wt %, and one or more other lubricating oil additives. The oxidation resistance in the CEC L-109 oxidation resistance test is improved to greater than 310 hours to achieve a 100% viscosity increase and the deposit resistance in the TEOST 33C is improve to total deposits of less than 45 mg as compared to oxidation resistance and deposit resistance achieved using a lubricating oil not containing the at least one branched isoparaffin. 1. A lubricating oil comprising:{'sup': '13', 'a lubricating oil base stock at from 0 to 80 wt % of the lubricating oil, at least one branched isoparaffin having a mole % of epsilon carbon as measured by C NMR of less than or equal to 10% at from 20 to 80 wt % of the lubricating oil, at least one viscosity modifier at from 5 to 20 wt % of the lubricating oil, and wherein the remainder of the lubricating oil includes one or more other lubricating oil additives; and'}{'sup': '13', 'wherein oxidation resistance is improved (CEC L-109 oxidation resistance to a 100% viscosity increase greater than 310 hours) and deposit resistance is improved (TEOST 33C total deposits less than 45 mg) for the lubricating oil as compared to oxidation resistance and deposit resistance achieved using a lubricating oil not containing the at least one branched isoparaffin having a mole % of epsilon carbon as measured by C NMR of less than or equal to 10%.'}3. The oil of claim 2 , wherein the Group V base stock ...

Phase change materials for enhanced heat transfer fluid performance

A composition for enhanced heat transfer fluid performance. The composition includes at least one base heat transfer fluid. The at least one base heat transfer fluid undergoes one or more phase changes in a heat transfer process. The heat transfer process includes a heated zone and/or a cooled zone. The one or more phase changes increase heat removal from the heated zone and/or increase heat rejection in the cooled zone, as compared to heat removal from a heated zone and/or heat rejection in a cooled zone of a heat transfer process having a base heat transfer fluid that does not undergo one or more phase changes. The base heat transfer fluids can exhibit liquid crystal behavior (e.g., heat transfer fluids having nematic, smectic or discotic liquid crystals). A method for conducting heat transfer in a heating and/or cooling system using the compositions comprising the base heat transfer fluids.

REFRIGERATOR OIL COMPOSITION AND REFRIGERATOR

The present invention provides a refrigerating machine oil composition comprising an ester-based base oil, an epoxy compound, and a carbodiimide compound, the refrigerating machine oil composition being used with a refrigerant containing a fluoropropene in a refrigerating machine comprising a member containing polyethylene terephthalate and/or a member containing hydrogenated acrylonitrile butadiene rubber. 1. A refrigerating machine oil composition comprising:an ester-based base oil;an epoxy compound; anda carbodiimide compound,the refrigerating machine oil composition being used with a refrigerant containing a fluoropropene in a refrigerating machine comprising a member containing polyethylene terephthalate and/or a member containing hydrogenated acrylonitrile butadiene rubber.2. The refrigerating machine oil composition according to claim 1 , wherein the ester-based base oil comprises an ester of pentaerythritol and a monocarboxylic fatty acid and/or an ester of dipentaerythritol and a monocarboxylic fatty acid.3. The refrigerating machine oil composition according to claim 1 , wherein the ester-based base oil comprises an ester of pentaerythritol and a mixture of two or more monocarboxylic fatty acids and/or an ester of dipentaerythritol and a mixture of two or more monocarboxylic fatty acids.4. (canceled)5. (canceled)6. A refrigerating machine comprising a refrigerant circulation system containing a compressor claim 1 , a condenser claim 1 , an expansion mechanism claim 1 , and an evaporator claim 1 ,the refrigerant circulation system comprising a member containing polyethylene terephthalate and/or a member containing hydrogenated acrylonitrile butadiene rubber, andthe refrigerant circulation system being filled with a refrigerating machine oil composition comprising an ester-based base oil, an epoxy compound, and a carbodiimide compound and a refrigerant containing a fluoropropene. The present invention relates to a refrigerating machine oil composition, a ...

LUBRICATING MIXTURE HAVING GLYCERIDES

The present invention relates to a lubricating mixture, which contains glycerides of natural origin and fatty acid alkyl esters. The glycerides are at least partly mono and/or diglycerides which form a mass fraction of 10% in the mixture. In a temperature range from ≥10° C. to at least 15° C. the mixture has a liquid phase with a solid fraction of 1 vol. %, which is formed from a fraction of glycerides and/or fatty acid alkyl esters. The mixture can be formed entirely from renewable raw materials, has a high viscosity index and is particularly suitable as a lubricant for use in gearings, electric motors or internal combustion engines. 2. The lubricating mixture according to claim 1 ,characterized in thatthe mixture has the liquid phase with the solid fraction of ≥1 vol. % in the temperature range from >10° C. to at least 20° C.3. The lubricating mixture according to claim 1 ,characterized in thatin the temperature range from >10° C. to at least 15° C. or to at least 20° C. the mixture has a liquid phase with a solid fraction of ≥50 vol. %.4. The lubricating mixture according to claim 1 ,characterized in thatin the temperature range from >10° C. to at least 15° C. or to at least 20° C. the liquid phase comprises a fraction of ≥40 vol. % of the mixture.5. The lubricating mixture according to claim 1 , characterized in that in the temperature range from >10° C. to at least 15° C. or to at least 20° C. the liquid phase comprises a fraction of ≥80 vol. % of the mixture.6. The lubricating mixture according to claim 1 ,characterized in thatthe solid fraction is formed by solid particles which have an extension in the range between 4 μm and 5 mm.7. The lubricating mixture according to claim 1 ,characterized in thatthe mixture contains a mass fraction of >30% of triglycerides.8. The lubricating mixture according to claim 1 ,characterized in thatthe mixture contains a mass fraction of >10% of diglycerides and a mass fraction of >5% of monoglycerides.9. The lubricating mixture ...

Lubricating Oil Composition

Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of the molybdenum element based on the total amount of the lubricating oil composition, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 50 mm/s or less. 1. A lubricating oil composition comprising:{'sup': '2', 'a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and'}an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of molybdenum element based on the total amount of the lubricating oil composition, wherein{'sup': '2', 'the lubricating oil composition has a kinematic viscosity at 40° C. 10 of 50 mm/s or less.'}2. The lubricating oil composition according to claim 1 , further comprising 2% by mass or more of a copolymer consisting of an α-olefin and an ester monomer having a polymerizable unsaturated bond based on the total amount of the lubricating oil composition claim 1 , wherein the weight-average molecular weight of the copolymer is 2000 to 20000.3. The lubricating oil composition according to claim 1 , further comprising a boron-containing dispersant in an amount of 100 to 500 mass ppm in terms of boron element based on the total amount of the lubricating oil composition.4. The lubricating oil composition according to claim 1 , wherein the lubricating oil composition is used for a hypoid gear.5. The lubricating oil composition according to claim 1 , wherein the lubricating base oil comprises a synthetic base oil comprising a poly-α-olefin. The present invention relates to a lubricating oil composition.In recent years, in order to cope with ...

Viscosity Index Improver Concentrates

A viscosity index improver containing, in non-ester diluent oil, one or more hydrogenated, functionalized linear block copolymers having at least one block derived from monoalkenyl arene covalently linked to at least one block derived from diene in an amount that is greater than the critical overlap concentration (c*), in mass %, for the linear block copolymers in the diluent oil; and an amount of ester base stock. 1. A viscosity index improver (VI) concentrate comprising , in non-ester diluent oil having a saturates content of at least 90% , an amount of one or more hydrogenated linear block copolymers having at least one block derived from monoalkenyl arene containing from 8 to about 16 carbon atoms , covalently linked to at least one block derived from diene containing from 4 to about 12 carbon atoms , wherein the diene blocks and/or alkenyl arene blocks of at least one of said hydrogenated linear block copolymers are functionalized to have pendant ester , amine , imide or amide functional groups , which amount is greater than the critical overlap concentration (c*) , in mass % , for said hydrogenated linear block copolymers in said diluent oil; and greater than 1 mass % , based on the total mass of the concentrate , of ester base stock; said concentrate having a kinematic viscosity at 100° C. (kv) of from about 300 to about 3000 cSt.2. A VI improver concentrate of claim 1 , comprising from about 5 mass % to about 60 mass % claim 1 , based on the total mass of the concentrate claim 1 , of said ester base stock.3. A VI improver concentrate of consisting essentially of the functionalized hydrogenated copolymer claim 2 , said non-ester diluent oil and said ester base stock.4. A method of increasing the amount of one or more hydrogenated linear block copolymers having at least one block derived from monoalkenyl arene containing from 8 to about 16 carbon atoms claim 2 , covalently linked to at least one block derived from diene containing from 4 to about 12 carbon ...

LUBRICATING OIL COMPOSITION FOR AUTOMATIC TRANSMISSIONS

The present invention provides a lubricating oil composition for automatic transmissions which comprises: 55 to 85 mass % of a Fischer-Tropsch synthetic oil with a kinematic viscosity at 100° C. of 2 to 4 mm2/s as a low-viscosity base oil; 1 to 10 mass % of an olefin copolymer 5 with a kinematic viscosity at 100° C. of 150 to 1,000 mm2/s as a high-viscosity base oil; and a polymethacrylate with a weight-average molecular weight of 10,000 to 50,000. This lubricating oil composition is such that the viscosity index of the composition is not 10 less than 190, the Brookfield viscosity is not more than 6,000 mPa·s at low temperature (−40° C.), the kinematic viscosity at 100° C. is 6 to 7 mm2/s, and the rate of reduction of the kinematic viscosity after a KRL shear stability test (60° C., 20 hr) is kept to within not more 15 than 3%. 1. A lubricating oil composition for automatic transmissions characterised in that it comprises: 55 to 85 mass % of a Fischer-Tropsch synthetic oil with a kinematic viscosity at 100° C. of 2 to 4 mm/s as a low-viscosity base oil; 1 to 10 mass % of an olefin copolymer with a kinematic viscosity at 100° C. of 150 to 1 ,000 mm/s as a high-viscosity base oil; and a polymethacrylate with a weight-average molecular weight of 10 ,000 to 50 ,000; and in that the viscosity index of the composition is not less than 190 , the Brookfield viscosity is not more than 6 ,000 mPa·s at low temperature (−40° C.) , the kinematic viscosity at 100° C. is 6 to 7 mm/s , and the rate of reduction of the kinematic viscosity after a KRL shear stability test (60° C. , 20 hours) is kept to within not more than 3%.2. The lubricating oil composition for automatic transmissions in accordance with further comprising 1 to 20 mass % of an ester base oil with a kinematic viscosity of 2 to 5 mm/s at 100° C.3. The lubricating oil composition for automatic transmissions in accordance with claim 1 , wherein the aforementioned olefin copolymer has a kinematic viscosity of 300 to 800 ...

USE OF OILS COMPRISING NON-NEUROTOXIC ANTI-WEAR ADDITIVES

Disclosed is an oil that does not include tricresyl phosphate and includes as an anti-wear additive at least one diphosphorus compound for the prophylaxis of aerotoxic syndrome, especially in case of fume event. It also relates to a lubrication method utilizing such oil. 113-. (canceled)15. The oil according to claim 14 , wherein the oil is selected from the group consisting of oils for aircraft or aeroderivative turbines claim 14 , helicopter transmission oils and weapon fluids.16. The oil according to claim 14 , wherein R claim 14 , R claim 14 , Rand Rare unsubstituted O-phenyl groups.17. The oil according to claim 14 , wherein A is selected from the group consisting of a 1 claim 14 ,4-phenyl claim 14 , 4 claim 14 ,4′-biphenyl claim 14 , 4 claim 14 ,4′-diphenylthioether claim 14 , 4 claim 14 ,4′-diphenylether claim 14 , 1 claim 14 ,3-(5 O-[(diphenyl)phosphate)]phenyl claim 14 , 1 claim 14 ,3-(2-ethyl-2-butyl)propyl claim 14 , 1 claim 14 ,3-(2-ethyl-2-[methyl-O-diphenylphosphate])propyl claim 14 , 4 claim 14 ,4′-[diphenyl(dimethyl)methylidene] claim 14 , 2 claim 14 ,2′-benzophenone claim 14 , 2 claim 14 ,7-naphthalene claim 14 , 1 claim 14 ,2-ethyl claim 14 , 4 claim 14 ,4′-[diphenylphenylethylidene] claim 14 , 4 claim 14 ,4′-diphenylsulfone claim 14 , 4 claim 14 ,4′-diphenylhexafluoropropane claim 14 , 1 claim 14 ,4-[(2-phenyl)phenyl] claim 14 , 1 claim 14 ,4-[(2 claim 14 ,5-ditertbutyl)phenyl] claim 14 , 1 claim 14 ,4-[(2-chloro)phenyl] claim 14 , 4 claim 14 ,4′-benzophenone claim 14 , 1-hydroxy-3-thiophenyl claim 14 , 1 claim 14 ,6-hexyl claim 14 , 1 claim 14 ,4-naphthalene claim 14 , 2 claim 14 ,6-anthracene claim 14 , 9 claim 14 ,10-anthracene claim 14 , 1 claim 14 ,10-decyl claim 14 , 2 claim 14 ,5-dimethyl-2 claim 14 ,5-hexyl claim 14 , 1 claim 14 ,12-dodecyl and 1 claim 14 ,3-naphthalene group.18. The oil according to claim 14 , wherein A is an optionally substituted alkyl group claim 14 , a substituted monocyclic aryl group or a polycyclic aryl group ...

LUBRICATING OIL COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY

Provided is a lubricating oil comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII, (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver, (d) a magnesium containing detergent; wherein the lubricating oil composition is substantially free of molybdenum containing element. Also provided is a method for improving friction and reducing wear in an internal combustion engine using said engine lubricating oil composition. 1. A lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.9 cP , comprising:{'sup': '2', 'a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s;'}b) a dispersant polymethacrylate (DPMA) VII having a Mw of from 200,000 g/mol to 450,000 g/mol;c) a non-dispersant ethylene-based olefin copolymer viscosity index improver having a Mw of from 50,000 g/mol to 150,000 g/mol and a total ethylene content of about 30 wt % to about 70 wt %; 'wherein the lubricating oil composition is substantially free of molybdenum containing element.', 'd) from about 200 to about 1000 ppm of magnesium from a magnesium containing detergent; and'}2. The lubricating oil composition of claim 1 , further comprising from 1 to 10 wt. %. of an ester base oil.3. The lubricating oil composition of claim 1 , wherein the magnesium containing detergent is a magnesium salicylate derived from a C-Cisomerized normal alpha olefin.4. The lubricating oil composition of claim 1 , wherein the non-dispersant ethylene-based olefin copolymer viscosity index improver has a total ethylene content of about 55 to 65 wt. %.5. The lubricating oil composition of claim 1 , wherein the non-dispersant ethylene-based olefin copolymer viscosity index improver has a Mw of from 70 claim 1 ,000 g/mol to 110 claim 1 ,000 g/mol.6. The lubricating oil composition of claim 1 , wherein the a dispersant polymethacrylate (DPMA) VII ...

WORKING FLUID COMPOSITION FOR REFRIGERATOR

The present invention provides a working fluid composition for a refrigerating machine, comprising: a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a C6-C12 polybasic acid, and a C4-C18 monohydric alcohol or a C4-C18 monocarboxylic fatty acid, and (B) a polyol ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane, pentaerythritol and dipentaerythritol, and a C4-C18 monocarboxylic fatty acid, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and a hydrocarbon refrigerant having 3 or 4 carbon atoms, wherein a refrigerant dissolved viscosity, at a temperature of 80° C. and an absolute pressure of 1.5 MPa, is 1.0 mm/s or more. 1. A working fluid composition for a refrigerating machine , comprising:a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a C6-C12 polybasic acid, and a C4-C18 monohydric alcohol or a C4-C18 monocarboxylic fatty acid, and (B) a polyol ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane, pentaerythritol and dipentaerythritol, and a C4-C18 monocarboxylic fatty acid, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; anda hydrocarbon refrigerant having 3 or 4 carbon atoms,{'sup': '2', 'wherein a refrigerant dissolved viscosity, at a temperature of 80° C. and an absolute pressure of 1.5 MPa, is 1.0 mm/s or more.'}2. The working fluid composition for a refrigerating machine according to claim 1 , wherein the polyhydric alcohol constituting (A) the complex ester is neopentyl glycol and/or trimethylolpropane.3. The working fluid ...

REFRIGERANT COMPRESSOR AND FREEZER/REFRIGERATOR INCLUDING SAME

Inside a sealed container () of a refrigerant compressor (), lubricating oil () having a kinematic viscosity at 40° C. of 0.1 mm/S to 5.1 mm/S is stored, and an electric element () and a compression element () are accommodated. The compression element () is provided with, as a shaft part, a crankshaft () comprising a main shaft () and an eccentric shaft (), and as bearing parts, a main bearing () that axially supports the main shaft () and an eccentric bearing () that axially supports the eccentric shaft (). At least one surface of the main shaft () and the eccentric shaft () is subjected to a surface treatment, e.g., formation of an oxide film, having a hardness equal to or greater than that of a bearing part (the main bearing () or the eccentric bearing ()). Satisfactory reliability in sliding parts can thereby be achieved even if lubricating oil having lower viscosity is used. 1. A refrigerant compressor which reserves lubricating oil having kinetic viscosity of 0.1 to 5.1 mm/S at 40 C in a sealed container , and accommodates therein an electric component , and a compression component which is driven by the electric component and compresses a refrigerant , wherein: as a shaft portion, a crank shaft including a main shaft and an eccentric shaft and', 'as a bearing portion supporting the shaft portion, a main bearing supporting the main shaft and an eccentric bearing supporting the eccentric shaft; and, 'the compression component includes'}a treated surface having hardness equal to or more than hardness of the bearing portion is formed on at least one of a surface of the main shaft and a surface of the eccentric shaft.2. The refrigerant compressor according to claim 1 , wherein:a base material of the shaft portion is an iron-based material; andthe treated surface is an oxide film.3. The refrigerant compressor according to claim 2 , wherein the oxide film includes claim 2 , on an outermost surface thereof claim 2 , at least one of a portion containing diiron ...

LUBRICATING OIL COMPOSITION FOR DIFFERENTIAL GEAR UNIT

Provided is a lubricating oil composition for a differential gear unit that is effective in limiting the generation of noise and vibrations even when a limited-slip differential is operated. The lubricating oil composition contains (A) a mineral oil and/or (B) a synthetic oil and (C) a friction modifier selected from amide- and imide-based friction modifiers and derivatives thereof in an amount of 0.01 to 10 percent by mass on the basis of the total mass of the composition. Also provided is a differential gear unit that is lubricated with the lubricating oil composition. 1. A lubricating oil composition for a differential gear unit comprising a base oil comprising (A) a mineral oil and/or (B) a synthetic oil and (C) a friction modifier selected from the group consisting of amide- and imide-based friction modifiers and derivative thereof in an amount of 0.01 to 10 percent by mass on the basis of the total mass of the composition.2. The lubricating oil composition for a differential gear unit according to wherein Component (A) has a 100° C. kinematic viscosity of 3 to 10 mm/s.3. The lubricating oil composition for a differential gear unit according to wherein Component (B) is (B-1) a poly-α-olefin having a 100° C. kinematic viscosity of 3 to 2000 mm/s and/or a hydrogenated compound thereof and/or (B-2) an ester base oil having a 100° C. kinematic viscosity of 1.5 to 30 mm/s.4. The lubricating oil composition for a differential gear unit according to further comprising (D) at least one or more types of friction modifiers selected from the group consisting of carboxylic acids claim 1 , alcohols claim 1 , amines and derivatives thereof in an amount of 0.01 to 10 percent by mass on the basis of the total mass of the composition.5. The lubricating oil composition for a differential gear unit according to further comprising (E) a metallic detergent in an amount of 0.0001 to 0.4 percent by mass as metal on the basis of the total mass of the composition.6. The lubricating oil ...

LUBRICATING GREASE COMPOSITION

A lubricating grease composition containing a base oil having a kinematic viscosity of 10 mm/s or more and 60 mm/s or less at 40° C.; a thickener containing at least one soap selected from a metal soap and a metal complex soap; and a solid lubricant containing porous polyamide particles. An amount of the porous polyamide particles blended is 1% by mass or more and 20% by mass or less based on a total mass of the lubricating grease composition. 1. A lubricating grease composition comprising:{'sup': 2', '2, 'a base oil having a kinematic viscosity of 10 mm/s or more and 60 mm/s or less at 40° C.;'}a thickener containing at least one soap selected from the group consisting of a metal soap and a metal complex soap; anda solid lubricant containing porous polyamide particles,wherein an amount of the porous polyamide particles blended is 1% by mass or more and 20% by mass or less based on a total mass of the lubricating grease composition.2. The lubricating grease composition according to claim 1 , wherein the porous polyamide particles have a specific surface area of 2.0 m/g or more and an average particle diameter of 1 μm or more and 30 μm or less.3. The lubricating grease composition according to claim 1 , wherein the thickener is at least one soap selected from the group consisting of a lithium soap and a lithium complex soap.4. The lubricating grease composition according to claim 1 , wherein the base oil contains at least one synthetic oil selected from the group consisting of a synthetic hydrocarbon oil claim 1 , an ester-based synthetic oil claim 1 , an ether-based synthetic oil claim 1 , and a glycol-based synthetic oil.5. The lubricating grease composition according to claim 1 , wherein the base oil contains at least one synthetic hydrocarbon oil selected from the group consisting of poly-α-olefin claim 1 , an ethylene-α-olefm oligomer claim 1 , an ethylene-α-olefin copolymer claim 1 , polybutene claim 1 , alkylbenzene claim 1 , and alkyl naphthalene.6. The ...

COOLANT COMPRESSOR AND REFRIGERATION DEVICE USING SAME

A refrigerant compressor comprises an electric component; and a compression component which is driven by the electric component and compresses a refrigerant. At least one of slide members included in the compression component is made of an iron-based material. An oxide coating film () is provided on a slide surface of the iron-based material, the oxide coating film including a first portion (), a second portion (), and/or a third portion (). The first portion () contains at least fine crystals (). The second portion () contains columnar grains (). The third portion () contains layered grains (). 1. A refrigerant compressor comprising:an electric component; anda compression component which is driven by the electric component and compresses a refrigerant,wherein at least one of slide members included in the compression component is made of an iron-based material, and an oxide coating film is provided on a slide surface of the iron-based material, the oxide coating film including a first portion containing at least fine crystals, a second portion containing columnar grains, and/or a third portion containing layered grains.2. The refrigerant compressor according to claim 1 ,wherein the oxide coating film comprises at least the first portion located in an outermost surface of the oxide coating film, the second portion located under the first portion, and the third portion located under the second portion.3. The refrigerant compressor according to claim 1 ,wherein the first portion has a crystal grain size in a range of 0.001 to 1 μm, andwherein the crystal grain size of the first portion is smaller than the crystal grain size of the second portion.4. The refrigerant compressor according to claim 1 ,wherein the first portion includes at least a first a portion and a first b portion which are different from each other in crystal density.5. The refrigerant compressor according to claim 4 ,wherein the first a portion is located closer to an outermost surface of the oxide ...

Tetrafluoropropene compositions and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Multigrade crankcase lubricating oil compositions

An SAE 0W-30 or 5W-30 or 5W-20 lubricant has a Noack volatility of less than 15, optionally an M-111 fuel economy of 1.5% or less, and a chlorine content of less than 100 ppm. The lubricant comprises a basestock containing from 0 to less than 10% Group I and/or Group II basestocks, a molybdenum additive providing not greater than 1000 ppm of molybdenum to the lubricant, a calcium detergent providing 10 or greater mmoles of surfactant per kilogram of lubricant, one or more other additives, and a viscosity modifier.

Lubricating oil composition for internal combustion engines and method for producing the same

A lubricating oil composition for internal combustion engines, including a lubricant base oil and a liquid random copolymer of ethylene and an α-olefin, the liquid random copolymer being produced using a specific catalyst, wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 12.5 mm2/s or more, but less than 26.1 mm2/s, and wherein the lubricant base oil consists of a mineral oil having a kinematic viscosity at 100° C. of 2 to 10 mm2/s, a viscosity index of 95 or more and a pour point of −10° C. or lower, and/or a synthetic oil having a kinematic viscosity at 100° C. of 1 to 10 mm2/s, a viscosity index of 120 or more and a pour point of −30° C. or lower.

润滑脂组合物及其制造方法

本发明提供高温下的油膜形成性和低温下的低转矩性均衡性良好地极优异、而且耐热氧化稳定性也优异的润滑脂组合物。润滑脂组合物，其含有10～98质量％的润滑油基础油(A)、89～1质量％的乙烯与α‑烯烃的液态无规共聚物(B)、及1～30质量％的增稠剂(C)(将(A)～(C)的总量作为100质量％。)，所述润滑油基础油(A)的100℃运动粘度为1～14mm 2 /s、粘度指数为100以上、倾点为0℃以下，所述乙烯与α‑烯烃的液态无规共聚物(B)是使用特定的催化剂制造的，润滑油基础油(A)及共聚物(B)以润滑油基础油(A)与乙烯‑α‑烯烃共聚物(B)的混合物的100℃时的运动粘度成为1～500mm 2 /s、并且粘度指数为120以上的比例进行配合。

공업 기어용 윤활유 조성물 및 그의 제조 방법

［과제］ 극히 우수한 온도 점도 특성을 갖고, 더욱이 내열산화 안정성도 우수한 공업 기어유를 제공하는 것. ［해결 수단］ 100℃에 있어서의 동점도가 1∼100mm 2 /s, 점도 지수가 100 이상, 유동점이 0℃ 이하인 윤활유 기유(A)를 10∼90질량%, 및 특정의 촉매를 이용하여 제조되는 에틸렌과 α-올레핀의 액상 랜덤 공중합체(B)를 90∼10질량%((A), (B)의 합계를 100질량%로 한다.) 함유하고, 40℃에 있어서의 동점도가 100∼10,000mm 2 /s인 공업 기어용 윤활유 조성물.

Lubricating oil composition for automobile gears and method for producing same

[Problem] To provide a lubricating oil composition for automobile gears, which has an excellent balance among shear stability, temperature viscosity characteristics and low-temperature viscosity characteristics at high levels, while having excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for automobile gears, which contains a lubricant base oil and a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst, and which is configured such that: the kinematic viscosity at 100°C is 7-30 mm2/s; and the lubricant base oil is composed of a mineral oil that has a kinematic viscosity at 100°C of 2-10 mm2/s, a viscosity index of 105 or more and a pour point of -10°C or less and/or a synthetic oil that has a kinematic viscosity at 100°C of 1-10 mm2/s, a viscosity index of 120 or more and a pour point of -30°C or less.

润滑油组合物及其制造方法

本发明为润滑油组合物，其特征在于，含有下述(A)、(F)和作为任选成分的(G)，(A)由特定的方法制造的、乙烯与α‑烯烃的液态无规共聚物，(F)与硫相邻的至少一个烃基是仲烃基或叔烃基的含硫化合物，(G)碳原子数3～6的α烯烃的聚合物；所述润滑油组合物的40℃运动粘度为450～51,000mm 2 /s，硫的含有率为0.1～5重量份，上述(G)成分的含有率为0～15重量份。上述润滑油组合物尤其适合于齿轮油等。

Lubricant oil composition for compressor oil and method for preparing same

Lubricant oil composition for vehicle transmission fluid and method for producing same

Lubricating oil composition and method for producing same

The present invention provides a lubricating oil composition containing a polymer for improving viscosity, the polymer having little decrease in viscosity due to shear, keeping viscosity elevation at low temperatures low, and having exceptional low-temperature characteristics. The present invention is a lubricating oil composition characterized by containing: 30-90 wt% of a liquid random copolymer (A) of ethylene and an α-olefin, the copolymer being produced by through specific method; and 10-70 wt% of a lubricating oil base comprising one or more components selected from specific synthetic oils (B) or mineral oils (C) (where the total of components (A), (B), and (C) is 100 wt%).

Process to produce improved poly alpha olefin compositions

This invention is directed to a two-step process for the preparation of improved poly alpha olefins wherein the first step involves oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst and the second step involves oligomerization of at least a portion of the product from the first step in the presence of an oligomerization catalyst. The dimer product from the first oligomerization is characterized by a tri-substituted vinylene olefin content of at least 25 wt %.

Poly alpha olefin compositions

Poly alpha olefins (PAOs) are characterized by very low viscosity and excellent Noack volatility. A preferred process for synthesizing said PAOs involves first oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst at high temperatures without adding hydrogen and then subsequently oligomerizing at least a portion of the product from the first step in the presence of an oligomerization catalyst.

Lubricating oil composition for industrial gears and method for producing the same

A lubricating oil composition for industrial gears, including 10 to 90% by mass of a lubricant base oil (A) having a kinematic viscosity at 100° C. of 1 to 100 mm2/s, a viscosity index of 100 or more, and a pour point of 0° C. or lower, and 90 to 10% by mass of a liquid random copolymer (B) of ethylene and α-olefin, the liquid random copolymer (B) being prepared by means of a specific catalyst, wherein the total amount of (A) and (B) is 100% by mass, the lubricating oil composition for industrial gears having a kinematic viscosity at 40° C. of 100 to 10,000 mm2/s.

Lubricant oil composition for vehicle transmission fluid and method for producing same

[Problem] To provide a lubricant oil composition which is for vehicle transmission fluid, and which has extremely excellent shear stability, has an excellent high-level balance of temperature-viscosity characteristics and low-temperature viscosity characteristics, and further has excellent heat-resistant oxidation stability. [Solution] This lubricant oil composition for vehicle transmission fluid contains a lubricant base oil and a liquid-phase random copolymer formed of ethylene and α-olefin and prepared by using a specific catalyst, wherein the kinematic viscosity at 100 °C is 4.0-7.5 mm2/s, and the Brookfield viscosity at -40 °C is 20,000 mPa·s or less. The lubricant base oil comprises: a mineral oil having a kinematic viscosity at 100 °C of 2-10 mm2/s, a viscosity index of 105 or more, and a pour point of -10 °C or less; and/or a synthetic oil having a kinematic viscosity at 100 °C of 1-10 mm2/s, a viscosity index of 120 or more, and a pour point of -30 °C or less.

内燃机用润滑油组合物及其制造方法

本发明提供能够在低粘度下维持高的HTHS粘度、而且耐热氧化稳定性也优异的内燃机油用润滑油组合物。内燃机用润滑油组合物，其含有润滑油基础油、和3质量％以上且小于40质量％的使用特定的催化剂制造乙烯与α‑烯烃的液态无规共聚物，所述内燃机用润滑油组合物在100℃时的运动粘度为6.9mm 2 /s以上且小于12.5mm 2 /s，上述润滑油基础油包含100℃运动粘度为2～7mm 2 /s、粘度指数为105以上、倾点为‑10℃以下的矿物油、及/或100℃运动粘度为1～7mm 2 /s、粘度指数为120以上、倾点为‑30℃以下的合成油。

Lubricating oil composition for internal combustion engines and method for producing same

[Problem] To provide a lubricating oil composition for internal combustion engines, which has excellent fluidity in a low temperature environment, while maintaining high shear stability, and which has low agitation resistance with respect to an engine, while exhibiting excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for internal combustion engines, which contains a lubricant base oil and a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst, and which is configured such that: the kinematic viscosity at 100°C is 12.5 mm 2 /s or more but less than 26.1 mm 2 /s; and the lubricant base oil is composed of a mineral oil that has a kinematic viscosity at 100°C of 2-10 mm 2 /s, a viscosity index of 95 or more and a pour point of -10°C or less and/or a synthetic oil that has a kinematic viscosity at 100°C of 1-10 mm 2 /s, a viscosity index of 120 or more and a pour point of -30°C or less.

Lubricating oil composition for hydraulic oil and method for producing same

[Problem] To provide a lubricating oil composition for hydraulic oil, the composition having very exceptional temperature-viscosity characteristics as well as exceptional heat and oxidation stability. [Solution] This lubricating oil composition for hydraulic oil contains: 10-99 mass% of a lubricating oil base oil (A) having a kinematic viscosity at 100°C of 1-14 mm 2 /s, a viscosity index of 100 or greater, and a pour point of 0°C or less; and 90-1 mass% of a liquid random copolymer (B) of ethylene and an α-olefin, the copolymer being produced using a specific catalyst (the total of (A) and (B) being 100 mass%). The lubricating oil composition moreover has a kinematic viscosity at 100°C of 10-300 mm 2 /s.

润滑油组合物及其制造方法

本发明提供润滑油组合物，其含有将低温时的粘度上升抑制在低水平、低温特性优异、且由剪切引起的粘度降低少的粘度改良用聚合物。本发明为润滑油组合物，其特征在于，含有30～90重量％的由特定的方法制造的乙烯与α‑烯烃的液态无规共聚物(A)和10～70重量％的润滑油基剂(其中，将(A)、(B)及(C)成分的总量作为100重量％)，所述润滑油基剂包含选自特定的合成油(B)或矿物油(C)中的1种以上的成分。

Synthetic lubricant basestocks and methods of preparation thereof

This disclosure relates to vinyl terminated macromer (VTM) based synthetic basestocks and their methods of preparation, lubricant compositions, methods of lubrication and products so lubricated. The VTM based synthetic basestocks useful for fuels and lubricants include oligomerization or polymerization products of one or more allylic vinyl terminated macromers (VTMs) having a molecular weight from 84 to 10080. The one or more allylic VTMs are oligomerized or polymerized in the presence of a catalyst under oligomerization or polymerization conditions sufficient to give the VTM based synthetic basestock. The catalyst can be a metallocene catalyst or an acid catalyst, e.g., Lewis acid. The one or more allylic vinyl terminated macromers (VTMs) can be one or more allylic vinyl terminated atactic polypropylene macromers (VTM aPP) having a molecular weight from 84 to 2250 and having a terminal allylic vinyl olefin content of at least 90%.

Synthetic lubricant basestocks and methods of preparation thereof

This disclosure relates to vinyl terminated macromer (VTM) based synthetic basestocks and their methods of preparation, lubricant compositions, methods of lubrication and products so lubricated. The VTM based synthetic basestocks useful for fuels and lubricants include oligomerization or polymerization products of one or more allylic vinyl terminated macromers (VTMs) having a molecular weight from 84 to 10080. The one or more allylic VTMs are oligomerized or polymerized in the presence of a catalyst under oligomerization or polymerization conditions sufficient to give the VTM based synthetic basestock. The catalyst can be a metallocene catalyst or an acid catalyst, e.g., Lewis acid. The one or more allylic vinyl terminated macromers (VTMs) can be one or more allylic vinyl terminated atactic polypropylene macromers (VTM aPP) having a molecular weight from 84 to 2250 and having a terminal allylic vinyl olefin content of at least 90%.

Process for producing ester

A method for producing an ester comprising the steps of reacting an alcohol with a carboxylic acid to obtain a crude esterfied product, adding 5 to 100 parts by weight of a hydrocarbon solvent with respect to 100 parts by weight of the crude esterified product and performing neutralization with an alkali aqueous solution. An alcohol solvent can be added, if necessary. Thus, a method for producing an ester is provided in which a high-quality ester is obtained at a high yield.

Method for producing ester

A method for producing an ester that comprises reacting an alcohol with a carboxylic acid to obtain a crude esterified product; and adding 5 to 100 parts by weight of a hydrocarbon solvent with respect to 100 parts by weight of the crude esterified product and performing neutralization with an alkali aqueous solution. An alcohol solvent can be added, if necessary. Thus, a method for producing ester is provided in which a high-quality ester can be obtained with high yield.

Lubricating composition

ABSTRACT A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as a high viscosity polyalphaolefin, a liquid hydrogenated polyisoprene or an ethylene-alphaolefin copolymer having a viscosity of 40-1000 centistopes at 100°C; a low viscosity synthetic hydrocarbon and/or optionally a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.

Lubricating composition

A lubricating composition is provided containing: polyalphaolefin, ethylene-alphaolefin oligomer or hydrogenated polyisoprene having a viscosity of 40-1000 centistokes at 100°C; hydrocarbon; a low viscosity synthetic hydrocarbon and/or a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.

Lubrication oil composition and method for producing same

The present invention is a lubrication oil composition which is characterized by containing (A) a liquid random copolymer of ethylene and an α-olefin, which is produced by a specific method and (F) a sulfur-containing compound wherein at least one hydrocarbon group that is adjacent to a sulfur atom is a secondary or tertiary hydrocarbon group, while containing, as an optional component, (G) a polymer of an α-olefin having 3-6 carbon atoms, and which is also characterized in that: the kinematic viscosity at 40°C is 450-51,000 mm2/s; the content of sulfur is 0.1-5 parts by weight; and the content of the component (G) is 0-15 parts by weight. This lubrication oil composition is especially suitable for gear oils and the like.

Lubricant oil composition for compressor oil and method for preparing same

[Problem] To provide a lubricant oil composition which is for a compressor oil, and which has not only extremely favorable temperature viscosity properties but also good heat-resistant oxidation stability. [Solution] This lubricant oil composition for a compressor oil has a kinematic viscosity at 40 °C of 10-300 mm 2 /s, and contains: 10-99 mass% of a lubricant base oil (A) having a kinematic viscosity at 100 °C of 1-14 mm 2 /s, a viscosity index of 100 or more, and a pour point of 0 °C or less; 1-90 mass% of a liquid-phase random copolymer ethylene-α-olefin copolymer (B) formed of ethylene and α-olefin and prepared by using a specific catalyst (the sum of (A) and (B) is 100 mass%).

Lubricating oil composition for internal combustion engines and method for producing same

[Problem] To provide a lubricating oil composition for internal combustion engines, which is capable of maintaining a high HTHS viscosity with low viscosity, while exhibiting excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for internal combustion engines, which contains a lubricant base oil and 3% by mass or more but less than 40% by mass of a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst, and which is configured such that: the kinematic viscosity at 100°C is 6.9 mm 2 /s or more but less than 12.5 mm 2 /s; and the lubricant base oil is composed of a mineral oil that has a kinematic viscosity at 100°C of 2-7 mm 2 /s, a viscosity index of 105 or more and a pour point of -10°C or less and/or a synthetic oil that has a kinematic viscosity at 100°C of 1-7 mm 2 /s, a viscosity index of 120 or more and a pour point of -30°C or less.

Grease composition and method for producing same

[Problem] To provide a grease composition which has extremely excellent oil film formability at high temperatures and extremely excellent low torque properties at low temperatures in a balanced manner, while having excellent stability of thermal oxidation resistance. [Solution] A grease composition which contains 10-98% by mass of (A) a lubricant base oil that has a kinematic viscosity at 100°C of 1-14 mm 2 /s, a viscosity index of 100 or more and a pour point of 0°C or less, 89-1% by mass of (B) a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst, and 1-30% by mass of (C) a thickening agent (with the total of (A), (B) and (C) being 100% by mass), and which is configured such that the lubricant base oil (A) and the copolymer (B) are blended at such a ratio at which a mixture of the lubricant base oil (A) and the ethylene-α-olefin copolymer (B) has a kinematic viscosity at 100°C of 1-500 mm 2 /s and a viscosity index of 120 or more.

Lubricating oil composition for industrial gears and method for producing same

[Problem] To provide an industrial gear oil which has extremely excellent temperature viscosity characteristics, while having excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for industrial gears, which contains 10-90% by mass of (A) a lubricant base oil that has a kinematic viscosity at 100°C of 1-100 mm 2 /s, a viscosity index of 100 or more and a pour point of 0°C or less and 90-10% by mass of (B) a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst (with the total of (A) and (B) being 100% by mass), and which is configured such that the kinematic viscosity at 40°C is 100-10,000 mm 2 /s.

Lubricating compositions

내용 없음. No content.

低粘度发动机油组合物

本发明涉及超低粘度轿车发动机油组合物，其具有4至6cSt的在100℃下的运动粘度并以混合形式包含基于所述组合物总重量的60重量％至90重量％的第一基础油组分，第一基础油组分由各自具有3.2cSt至3.8cSt的在100℃下的运动粘度的聚α烯烃基础油或聚α烯烃基础油的组合构成；和基于所述组合物总重量的0.1重量％至20重量％的第二基础油组分，第二基础油组分由第II类、第III类或第V类基础油或它们的任何组合构成；其中所述组合物包含按固体聚合物计0重量％至小于0.25重量％的粘度指数改进剂；其中所述组合物具有4至6cSt的在100℃下的运动粘度、通过ASTM D5800测得的小于15％的Noack挥发度、通过ASTM D5293测得的在-35℃下小于3500cP的CCS粘度和通过ASTM D4683测得的在150℃下小于2.6mPa-s的HTHS粘度。

Process for producing ester

본 발명은 알콜과 카복실산과의 반응으로 에스테르화 조생성물을 수득하는 공정 및 당해 에스테르화 조생성물 100중량부에 대해서 5 내지 100중량부의 탄화수소 용매를 첨가하고, 알칼리 수용액을 사용하여 탈산하는 공정을 포함하는 에스테르의 제조방법에 관한 것이다. 필요에 따라서, 알콜 용매를 추가로 첨가할 수도 있다. 이로써, 고품질의 에스테르를 고수율로 수득할 수 있는 에스테르의 제조방법을 제공한다. The present invention includes a step of obtaining an esterified crude product by reaction of an alcohol with a carboxylic acid, and a step of adding 5 to 100 parts by weight of a hydrocarbon solvent with respect to 100 parts by weight of the esterified crude product, followed by deoxidation using an aqueous alkali solution. It relates to a method for producing an ester. If necessary, an alcohol solvent may be further added. This provides a process for the preparation of esters capable of obtaining high quality esters in high yield. 에스테르화 조생성물, 탈산, 분층 불량, 토너용 이형제, 냉동기유 및 특수 그리스유, 윤활제. Esterification crude, deoxidation, poor separation, release agent for toner, freezer oil and special grease oil, lubricant.

X자형 디에스테르 이량체를 포함하는 윤활기유 및 그 제조방법

본 발명은 바이오매스 지방(biomass fat)을 지방산(fatty acid)으로 전환하는 단계; 상기 지방산으로부터 C18 불포화지방산(unsaturated fatty acid)을 분리하는 단계; 상기 C18 불포화지방산을 부분수소화(Partial Hydro-treating)하여 올레산 함량을 증대시키는 단계; 상기 올레산을 올리고머화(oligomerization)하여 이량체(dimer) 이상의 올리고머를 합성하는 단계; 및 상기 올리고머를 에스테르화(esterification)하는 단계를 포함하고, X자형 디에스테르 이량체를 포함하는 윤활기유의 제조방법 및 이로부터 제조된 윤활기유에 관한 것이다. 본 발명의 윤활기유는 X자형 디에스테르 이량체를 포함하여 그 화학구조에 기인하여 저온안정성이 우수하고, 생분해도가 높아 친환경적이다. 또한, 본 발명의 윤활기유의 제조방법은 S, N, 방향족 화합물, 중금속 등의 독성물질을 발생시키지 않고, 올레산의 함량을 증대시켜 윤활기유 제조시 올레산의 의존도를 최소화하여 공정성 및 경제성을 향상시키며, 에스테르화 반응에 도입하는 알코올 화합물을 변경하여 목적하는 윤활기유의 물성을 용이하게 변경시킬 수 있다.

Lubricating compositions

This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100°C of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent, wherein the dimer product of the first reactor effluent contains at least 25 wt% of tri-substituted vinylene represented by the following structure: and the dashed line represents the two possible locations where the unsaturated double bond may be located and Rx and Ry are independently selected from a C 3 to C 21 alkyl group.

Poly alpha olefin compositions and process to produce poly alpha olefin compositions

This invention is directed to a two-step process for the preparation of poly alpha olefins wherein the first step involves oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst and the second step involves oligomerization of at least a portion of the product from the first step in the presence of an oligomerization catalyst. The dimer product from the first oligomerization is characterized by a tri-substituted vinylene olefin content of at least 25 wt%. The poly alpha olefins produced in the second oligomerization step are characterized by very low viscosity and excellent Noack volatility.

Lubricating compositions

This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent.

Low viscosity engine oil compositions

This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100°C of from 4 to 6 cSt, and comprising in admixture 60 wt% to 90 wt% of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefm base stock or combination of polyalphaolefm base stocks, each having a kinematic viscosity at 100°C of from 3.2 cSt to 3.8 cSt; and 0.1 wt% to 20 wt% of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt% to less than 0.25 wt% viscosity index improver, on a solid polymer basis; wherein the composition has a kinematic viscosity at 100°C of from 4 to 6 cSt, a Noack volatility of less than 15% as determined by ASTM D5800, a CCS viscosity of less than 3500 cP at -35°C as determined by ASTM D5293, and an HTHS viscosity of less than 2.6 mPa-s at 150°C as determined by ASTM D4683.

Low viscosity engine oil compositions

This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis.

High efficiency engine oil compositions

This invention is directed to passenger car engine oil compositions comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; and at least 0.75 wt % viscosity index improver, on a solid polymer basis.

High efficiency engine oil compositions

This invention is directed to passenger car engine oil compositions comprising in admixture 60 wt% to 90 wt% of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100 °C of from 3.2 cSt to 3.8 cSt; 0.1 wt% to 20 wt% of a second base oil component, based on the total weigh t of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; and at least 0.75 wt% viscosity index improver, on a solid polymer basis; wherein the composition has a kinematic viscosity at 100 °C of from 5.6 to 16.3 cSt, a Noack volatility of less than 15 % as determined by ASTM D5800, a CCS viscosity of less than 6200 cP at -35 °C as determined by ASTM D5293, and an HTHS viscosity of from 2.5 mPa-s to 4.0 mPa-s at 150 °C as determined by ASTM D4683.

Композиции поли-альфа-олефинов и способы получения композиций поли-альфа-олефинов

1. Способ получения поли-альфа-олефина (ПАО), способ включает:a) взаимодействие катализатора, активатора и мономера в первом реакторе с получением потока, выходящего из первого реактора, выходящий поток включает димерный продукт, тримерный продукт и необязательно высший олигомерный продукт,b) загрузку по меньшей мере фракции димерного продукта во второй реактор,c) взаимодействие указанного димерного продукта со вторым катализатором, вторым активатором и необязательно вторым мономером во втором реакторе, иd) получение потока, выходящего из второго реактора, содержащего ПАО, где димерный продукт, находящийся в потоке, выходящем из первого реактора, содержит по меньшей мере 25 мас.% тризамещенного винилена, описывающегося приведенной ниже структурой:и пунктирная линия указывает два возможных положения, в которых может находиться двойная связь, и Rx и Ry независимо выбраны из числа С-С-алкильных групп.2. Способ по п. 1, включающий стадию отделения по меньшей мере фракции димерного продукта от тримерного и необязательного высшего олигомерного продуктов до загрузки указанного димерного продукта во второй реактор.3. Способ по п. 1 или 2, в котором указанную фракцию димерного продукта из первого реактора загружают прямо во второй реактор.4. Способ по п. 1 или 2, в котором поток, выходящий из первого реактора, содержит менее 70 мас.% дизамещенного винилидена, описывающегося следующей формулой:RqRzC=CHв которой Rq и Rz независимо выбраны из числа алкильных групп.5. Способ по п. 1 или 2, в котором димерный продукт, находящийся в потоке, выходящем из первого реактора, содержит более 50 мас.% тризамещенного димера винилена.6. Способ по п. 1 или 2, в РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2014 118 599 (13) A (51) МПК C10M 171/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014118599/04, 12.09.2012 (71) Заявитель(и): ЭКСОНМОБИЛ КЕМИКЭЛ ПЕЙТЕНТС ИНК. (US), ЭКСОНМОБИЛ РИСЕРЧ ЭНД ЭНДЖИНИРИНГ КОМПАНИ (US) (43) (85) R U Адрес ...

Patent RU2018127544A3

ВУ” 2018127544” АЗ Дата публикации: 11.02.2020 Форма № 18 ИЗИМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2018127544/04(043938) 27.12.2016 РСТ/ЕР2016/082722 27.12.2016 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 2015-256137 28.12.2015 ]Р Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА ДЛЯ АВТОМАТИЧЕСКОЙ КОРОБКИ ПЕРЕДАЧ Заявитель: ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИИ Б.В., М1. 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) С1ОМ 169/04 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: СОМ 169/04 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): ЕАРАТГУ, Езрасепе, боозе, РаЗеагсв, КОРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к предмету поиска пункту формулы № 1 2 3 У ...

Liquid compositions containing carboxylic esters

본 발명은 (A) 1-3의 탄소 원자를 함유하는 적어도 하나의 플루오르-함유 탄화수소 ; 및 (B) (I) 폴리히드록시 화합물 및 (II) (a) 4 또는 5 탄소 원자를 가지는 모노카르복실 산 아실화제, (b) 약 7-약 15 탄소 원자를 가지는 모노카르복실 산 아실화제, 및 (c) 폴리카르복실 산 아실화제의 조합물의 적어도 하나의 카르복실 산 에스테르로 구성되는 윤활제로 구성되는 액체 조성물에 관한 것이다. 본 발명의 다른 면에서, 액체 조성물은 본질적으로 (A) 적어도 하나의 플루오르-함유 탄화수소, 및 (B) (I) 여기 서술된 적어도 하나의 폴리히드록시 화합물 및 (II) 여기 서술된 바와같이 카르복실 산 아실화제의 적어도 하나의 조합물의 적어도 하나의 에스테르로 구성된다. 윤활제는 부가적으로 (c) 알킬 포스파이트, 알킬 인산 에스테르, 질소-함유 헤테로사이클, 및 그의 혼합물로 구성되는 군으로부터 선택되는 부가물을 함유할 수 있다. 또한 플푸오르 함유 탄화수소가 또한 염소같은 다른 할로겐을 함유하는 액체 조성물이 서술된다. 액체 조성물은 냉동기 및 자동차용, 가정용, 및 산업용 공기조화기를 포함하는 공기조화기에서 냉동액으로서 특히 유용하다. The present invention provides a composition comprising (A) at least one fluorine-containing hydrocarbon containing a carbon atom of 1-3; And (B) (I) a polyhydroxy compound and (II) (a) a monocarboxylic acid acylating agent having 4 or 5 carbon atoms, (b) a monocarboxylic acid acylating agent having about 7 to about 15 carbon atoms And (c) a lubricant consisting of at least one carboxylic acid ester of a combination of polycarboxylic acid acylating agents. In another aspect of the invention, the liquid composition consists essentially of (A) at least one fluorine-containing hydrocarbon, and (B) (I) at least one polyhydroxy compound described herein, and (II) a carbon as described herein. At least one ester of at least one combination of carboxylic acid acylating agents. The lubricant may additionally contain an adduct selected from the group consisting of (c) alkyl phosphites, alkyl phosphate esters, nitrogen-containing heterocycles, and mixtures thereof. Also described are liquid compositions in which the flufurur containing hydrocarbons also contain other halogens such as chlorine. Liquid compositions are particularly useful as freezing liquids in refrigerators and air conditioners, including automotive, domestic, and industrial air conditioners.

含羧酸酯的液体组合物

本发明涉及包含以下成分的液体组合物：(A)至 少一种含1至3个碳原子的含氟烃和由(B)构成的 润滑剂，(B)为(I)多羟基化合物与(II)所生成的至 少一种羧酸酯，(II)为(1)含4或5个碳原子的单羧 酸酰化剂，(2)含约7至约15个碳原子的单羧酸酰化 剂与(3)多羧酸酰化剂的组合。