СНИЖЕНИЕ ЭЛЕКТРОХИМИЧЕСКОГО РАЗРУШЕНИЯ ПОВЕРХНОСТИ, ВЫЗЫВАЕМОГО ЖИДКОСТНЫМ ПОТОКОМ, С ПОМОЩЬЮ ОКИСЛИТЕЛЬНО-ВОССТАНОВИТЕЛЬНЫХ ПАР

Изобретение относится к способам и добавкам для снижения скорости разрушения поверхности током для компонентов гидравлической системы. Способ включает этап добавления гидравлической жидкости на основе эфиров фосфорной кислоты к гидравлической системе, где указанная гидравлическая жидкость содержит добавку, включающую металлоценовую окислительно-восстановительную пару. 2 н. и 15 з.п. ф-лы, 2 пр., 2 табл., 4 ил.

СТОЙКАЯ К ИЗНОСУ ДЕТАЛЬ

... 1. Стойкая к износу деталь, содержащаясоставную смазывающую пластину, приклеенную к металлическому основанию, при этом составная смазывающая пластина содержитткань, по меньшей мере, частично заключенную в смолу, при этом ткань содержит пряжу из ароматического полиамида и смешанную пряжу, содержащую пряжу из ароматического полиамида и пряжу с низким коэффициентом трения; иметаллический слой, приклеенный к одной стороне ткани.2. Деталь по п. 1, отличающаяся тем, что металлическое основание содержит часть, выбранную из группы, состоящей из диска ротора и лопатки вентилятора турбины.3. Деталь по п. 1, отличающаяся тем, что металлическое основание представляет собой встроенный компонент газотурбинного двигателя.4. Деталь по п. 1, отличающаяся тем, что металлическое основание содержит металл, выбранный из группы, состоящей из титана, алюминия, стали, никеля и их сплавов.5. Деталь по п. 4, отличающаяся тем, что металлическое основание выполнено из титана.6. Деталь по п. 1, отличающаяся тем, что ...

СНИЖЕНИЕ ЭЛЕКТРОХИМИЧЕСКОГО РАЗРУШЕНИЯ ПОВЕРХНОСТИ, ВЫЗЫВАЕМОГО ЖИДКОСТНЫМ ПОТОКОМ, С ПОМОЩЬЮ ОКИСЛИТЕЛЬНО-ВОССТАНОВИТЕЛЬНЫХ ПАР

КОМПОЗИЦИЯ ВЫСОКОТЕМПЕРАТУРНОГО МАСЛА НА ОСНОВЕ ФТОРСИЛОКСАНОВОЙ ЖИДКОСТИ

Композиция для получения высокотемпературного масла на основе фторсодержащего полиорганосилоксана для изделий аэрокосмической техники, содержащая фторсилоксановую жидкость, содержащую γ-трифторпропильный радикал, марки 161-44М, с вязкостью при 100°С не менее 9,0 мм2/с, плотностью 1,090-1,200 г/см3 и температурой вспышки не ниже 280°С, и биметалльную кремнийорганическую присадку Иноксил ФК, полученную взаимодействием фторсилоксановой жидкости 161-44М с органическим соединением переходного металла - капронатом железа и ацетилацетонатом меди, предварительно растворенных в ксилоле, при следующем соотношении исходных компонентов, мас.%: ! указанная фторсилоксановая жидкость 88,0-92,0 указанная биметалльная кремнийорганическая присадка Иноксил ФК 8,0-12,0 ...

Brennstoff- und Schmiermittelgemische

Synthetische Schmiermittel und Schmiermittelzusaetze auf Basis von Diorthokieselsaeureestern

LACTONE-MODIFIED ESTER OILS AND A LUBRICATING COMPOSITION CONTAINING THEM

Schmieroel

Schmieroele

Strahlungsbestaendige und hitzestabile fluessige Zusammensetzungen

Verwendung von Diestern zweiwertiger aliphatischer Alkohole als Schmiermittel

Synthetic ester oil manufacture

In the preparation of diesters of an alcohol and a dicarboxylic acid or a glycol and a monocarboxylic acid, the esterification and subsequent purification are carried out in an inert atmosphere and the diester is stored undere an inert atmosphere. The ester may have the formula R COO R 1OOCR or the formula R OOC R 1COOR, where R is an alkyl radical of 6 to 12 carbon atoms and R1 is a saturated aliphatic hydrocarbon group of 4 to 10 carbon atoms. The purification comprises washing with sodium carbonate solution, washing with water, stripping off volatile material by heating under a vacuum, contacting with active alumina particles, and filtering. The esterification and purification operations may be carried out in a series of connected vessels or in a single vessel, under an atmosphere of nitrogen. In an Example adipic acid is reacted with a C10 oxo alcohol to form a half ester, and then with a C8 oxo alcohol to form a C8/C10 oxo adipate ester, using sodium acid sulphate as a catalyst and ...

Synthetic lubricating oil

The invention comprises the di-n-decyl esters of m- and p-phenylenediacetic acids, which are used as lubricants. Details are given of their physical properties and preparation from the acid and alcohol with an esterification catalyst such as p-toluenesulphonic acid. The acid may be prepared from xylylene dichloride by conversion into the dicyanide and hydrolysis. The xylylene dichloride may be obtained by (1) chlorinating xylene; (2) chloromethylating benzene in two stages; or (3) chlorinating toluene and chloromethylating the resulting benzyl chloride. An example is given of the chloromethylation of benzyl chloride to p-xylylene dichloride, conversion to p-xylylene dicyanide with aqueous alcoholic sodium cyanide, hydrolysis to p-phenylenediacetic acid and esterification with 1-decanol. Specification 583,633 is referred to. The Provisional Specification describes similar esters of the general formula where Ar is a benzene or diphenyl nucleus which may contain alkyl ...

Process for chlorinating 1:3:3-trimethyl-1-phenyl-indan

Chlorinated trimethyl-phenyl-indans of the formula where m and n may be zero or integers and the sum of m and n is between one and nine are prepared by chlorinating 1:3:3-trimethyl -1-phenyl-indan by melting the starting material at approximately 55 DEG C., passing a current of chlorine in the presence of a nuclear chlorination catalyst (e.g., ferric chloride, antimony trichloride or iodine), and stirring at approximately 50 DEG C. until at least 1 chlorine atom per molecule of starting material is introduced. The product may be separated by distilling, agitating the distillate at 80-90 DEG C. with an activated earth and filtering. An example describes chlorination by the above method to introduce 2 mols of chlorine per mol of indane derivative giving a dichloro derivative. Specification 651,528 is referred to. p ...

Improvements in or relating to synthetic lubricants

The invention comprises diesters of the general formula in which R is an alkyl or an alkoxyalkyl radical containing from 1 to 8 carbon atoms and R1 and R11 are straight or branched chain alkyl radicals containing from 3 to 9 carbon atoms. These esters are useful as lubricants. The esters are prepared by standard esterification processes with or without a catalyst. The diesters may be prepared from propionic acid, butyric acids, valeric acids, caproic acid, 2-ethylbutyric acid, n-heptylic acid, caprylic acid, 2-ethyl hexanoic acid, pelargonic acid, capric acid or Oxo or Fischer-Tropsch acids containing from 4 to 10 carbon atoms. R in the formula above is preferably an alkyl radical but may also be an alkoxyalkyl radical such as butoxyethyl, butoxy ethoxy ethyl or methoxy-isopropyl. The alkoxyglycols from which the esters are derived and having the general formula in which R is an alkyl or alkoxyalkyl radical containing from 1 to 8 carbon atoms ...

Improvements in or relating to lubricating moving metallic parts and a lubricant therefor

A lubricant comprises a mixture of a liquid copolymeric siloxane, as defined below, and from 2 to 10 per cent by weight (based on the weight of the mixture) of either a chlorinated diphenyl or a chlornaphthaxanthate, with or without up to 2 per cent by weight (based on the weight of the mixture) of either dibenzyl disulphide or 2-benzothiazyl-N,N-diethylthiocarbamyl sulphide. The chlorinated diphenyl contains from 48 to 62 per cent by weight of chlorine and the chlornaphthazanthate 31 per cent by weight of chlorine and 11 per cent by weight of sulphur. Such a chloronaphthaxanthate may be produced by reacting a chlorinated petroleum naphtha or chlorinated petroleum ether with a metal xanthate or thiocarbonate. The liquid copolymeric siloxanes are constructed from units of the general formula RSiO 3/2 , R2SiO and R3SiO 1/2 , such that they have a degree of substitution greater than 2 and less than 3 organic radicals per silicon atom and contain halogenated phenyl or halogenated xenyl radicals ...

Synthetic Lubricants for Aero Gas Turbines

... 1,180,386. Lubricants. BRITISH PETROLEUM CO. Ltd. 10 July, 1967 [21 July, 1966], No. 32739/66. Heading C5F. A lubricating composition comprises an ester basestock consisting of a liquid neutral polyester that has been prepared by reacting together under esterification conditions and in one or more stages: (i) an aliphatic mono- and/or polyhydric alcohol having 5 to 10 carbon atoms per molecule and having no hydrogen atoms attached to any carbon atom in a 2 position with respect to any -OH group; and (ii) an aliphatic mono- and/or polycarboxylic acid having 3-12 carbon atoms per molecule; the basestock having dissolved therein: (a) 1À0 to 8À0% wt. of an alkylated aromatic amine antioxidant; (b) 0À005 to 1À5% wt. of a copper passivator; (c) 0À5 to 5À0% wt. of a neutral organic phosphate of the formula (RO) 3 PO, where the groups R are tolyl, phenyl or xylyl groups or alkyl or cycloalkyl groups having up to 10 carbon atoms; (d) 0À005 to 0À1% wt. of a dialkyl hydrogen phosphate of the formula ...

Lubricating Compositions

... 1,182,851. Lubricants. MOBIL OIL CORP. 2 Jan., 1968, No. 240/68. Heading C5F. A lubricant comprises an admixture of at least two complete esters of different hindered polyhydric alcohols, in which from 50 to 95%, by weight, is an ester of a 2,2-disubstitutedpropane-1;3-diol having the structure where each R is an alkyl group containing from 1 to 12 carbon atoms, at least one R group having at least 2 carbon atoms, and each R1 is hydrogen or an alkyl group having from 1 to 10 carbon atoms and from 50 to 5%, by weight, is a 3- to 6-methylol ester selected from a hindered trimethylol ester, a pentaerythritol ester, a dipentaerythritol ester and mixtures thereof, each of the esters being prepared from the corresponding polyhydric alcohol and a monocarboxylic acid having 1 to 30 carbon atoms. The lubricant may also contain an anti-oxidant, e.g. aromatic amines, phenols and phenothiazine (many specific examples being given), extreme pressure additives, e.g. phosphorus acid esters (many ...

DEGRADED ETHYLENE-PROPYLENE INTERPOLYMERS USEFUL AS VISCOSITY MODIFIERS FOR LUBRICANTS

... 1352289 Oxidized ethylene/propylene copolymers LUBRIZOL CORP 7 Sept 1972 [16 Sept 1971] 41574/72 Heading C3P [Also in Division C5] Oil-soluble, oxidized, degraded ethylene/ propylene copolymers which cause substantially no increase in the fluidity of fuel oil at -20‹ C. when dissolved therein at a concentration of 0À02 weight per cent are prepared by oxidizing and degrading an ethylene/propylene copolymer having a molecular weight of at least 1000 by contacting with an oxygen-containing gas at a temperature of at least 100‹ C. in the presence of a minor amount of an aliphatic amine and for a time sufficient to effect a reduction in molecular weight of at least 5%. The copolymer may also contain up to 10 weight per cent of higher mono olefins and/or conjugated or non-conjugated dienes. The copolymer may be treated with oxygen, air or a mixture of oxygen with an inert gas while dissolved in an inert solvent. In examples mineral oil solutions of ethylene/propylene, ethylene / propylene / dicyclopentadiene ...

Improvements in or relating to the production of organo-silicon compounds

Triorgano silicon fluorides are prepared by saturating a solution of an alkyl, alicyclic or alkaryl magnesium halide or a mixture thereof in ether with silicon tetrafluoride, the alkyl, alicyclic or alkaryl group containing at least eight carbon atoms. Grignard reagents that may be used are n-octyl, n-octadecyl, cyclohexyl, n-dodecyl and n-tetradecyl magnesium bromides. The alicyclic radical may be derived from a terpene. The Specification as open to inspection under Sect. 91 refers to the preparation of organosilicon fluorides by reacting silicon tetrafluoride with an alkyl, alicyclic or alkaryl magnesium halide. This subject-matter does not appear in the Specification as accepted.ALSO:Lubricating oil compositions comprise non-hydrocarbon glycol lubricants or hydrocarbon type lubricants and a triorganosilicon fluoride, wherein the organo groups may be the same or different and are alkyl, alicyclic or alkaryl groups containing at least eight carbon atoms.

ANTIOXIDANTS

... 1393366 Lubricants EXXON RESEARCH & ENG CO 29 Aug 1972 [6 Oct 1971] 46458/71 Heading C5F An antioxidant composition for lubricants comprises (a) an alkylated N-phenyl-naphthylamine having at least one C 3 -C 14 alkyl group and (b) an amino compound of formula where X is hydrogen, C 1 -C 20 hydrocarbyl or the group the mole ratio of (a) : (b) being at least 1 : 1. The lubricant may be a mineral, oxidized mineral, fatty or synthetic oil (many examples are given of fatty oils, esters and polyglycols). The lubricant may also contain sebacic acid, dimethyl-silicone, tricresyl phosphate, neutral alkyl aryl phosphates and neutral phosphonates.

SYNTHETIC AIRCRAFT TURBINE OIL

... 1402697 Lubricants TEXACO DEVELOPMENT CORP 29 Oct 1973 [14 Dec 1972] 50278/73 Heading C5F A lubricant suitable for gas-turbine engines in aircraft comprises the combination of three specified additives with a specified base oil. The base oil is the ester of pentaerythritol, a polypentaerythritol or trimethylolpropane and an organic monocarboxylic acid having from 2 to 18 carbon atoms in the molecule. The first additive is a thiocyanate of Formula I where R is a hydrocarbyl or amine-substituted hydrocarbyl group having from 1 to 30 carbon atoms or a radical of Formula II where R1111 is a bridging polymethylene radical having from 2 to 4 carbon atoms, and R1, R11 and R111 are hydrogen or hydrocarbyl having from 1 to 30 carbon atoms. The second additive is of Formula III where one, two or all of X, Y and Z is hydroxyl and the other or others, if any, are hydrogen. The third additive is a triazole of Formula IV where R is hydrogen or alkyl having from 1 to 3 carbon ...

ESTER OILS ROOFS WITH OPENABLE PANELS MORE ESPECIALLY FOR MOTOR VEHICLES

... 1444826 Lubricants HENKEL & CIE GmbH 18 Jan 1974 [22 Jan 1973] 02536/74 Heading C5F [Also in Division C2] Ester oil lubricants and hydraulic fluids consist of at least one full ester of a saturated, branched chain, aliphatic monocarboxylic acid with a branched chain aliphatic polyol wherein (I) the monocarboxylic acid has a total of 14- 22 carbon atoms (II) the branching of the monocarboxylic acid chain is at the carbon atom in the -position to the carboxyl group and there is a hydrogen atom attached to the - carbon, (III) the polyol has 2-6 primary hydroxyl groups in the molecule. Neopentyl glycol, trimethylol propane, pentaerythritol or dipentaerythritol may be used and the acids may be those prepared by the Guerbet reaction on unbranched alcohols followed by oxidation of the branched alcohol product, or by hydrogenation of carboxylic acid obtained by reaction of 1,3-butadiene, 1,3-pentadiene or isoprene with methacrylic acid esters in the presence of an organometallic nickel complex.

Improvements relating to lubricating and insulating compositions

An electrical insulation or lubricating composition especially for use at high temperatures consists of a high boiling aryl ester of an inorganic acid and an oxidation inhibitor soluble therein. Suitable esters are triphenyl or tricresyl phosphate or borate. The ester may be mixed with thickening or thinning agents such as diphenyl, diphenyl oxide, dimethyl naphthalene, glycol phthalate, glycerol phthalate, sperm oil, ethyl oleate, soluble phenol-formaldehyde resins, ethyl or other cellulose ethers or voltolized oils. Soda, lime or lead soaps may also be added. The oxidation inhibitors used are polyhydroxy monocyclic compounds such as resorcinol, pyrogallol, a and b naphthol; aromatic amino compounds such as the naphthylamines; aromatic sulphur compounds such as thio-phenols or naphthols, sulphides, and thioethers especially those containing hydroxy or amino groups. The Specification as open to inspection under Sect. 91 refers also to lubricants containing alkylated or acetylated vegetable ...

SYNTHETIC OILS

... 1280247 Lubricants TEXACO DEVELOPMENT CORP 17 Nov 1970 [15 Dec 1969] 54597/70 Heading C5F Lubricants comprise a major amount of an ester of pentaerythritol, a polypentaerythritol or trimethylolpropane and one or more C 2 -C 18 monocarboxylic acids and (i) 0À3-5 wt. per cent of a C 4 -C 12 alkyl or C 4 -C 12 alk-aryl-phenylnaphthylamine; (ii) 0À3-5 wt. per cent of a di- C 4 -C 12 alkyl-diphenylamine; (iii) 0À001-1 wt. per cent of a polyhydroxyanthraquinone and (iv) 0À25-10 wt. per cent of a tri-hydrocarbyl phosphate. The lubricant may also contain a dimethyl silicae and a bis-(2, 2,4-trimethylpentyl) ester of a dimer of linoleic acid.

Improvements in or relating to lubricating oils and processes for preparing the same

A normally solid hydrocarbon wax of 15-100 C atoms is converted into a lubricant by heating with one or more olefins of from 2-10 C atoms, at 400-700 DEG F. and superatmospheric pressure in the presence of a hydrocarbon halide catalyst, separating lighter constituents, preferably those boiling below 250 DEG F. at 1 mm., by distillation, and de-waxing the heavy residue to give a resulting composition having a viscosity index of at least 100 and a pour point not greater than about 10 DEG F. The preferred waxes are crystalline and micro-crystalline waxes recovered from petroleum oils and consisting of paraffins of 20-40 C atoms. Other waxes include paraffins from pentadecane up to heptacontane; hydrocarbons containing a ring and a long chain substituent, e.g. dodecylcyclohexane, octadecylbenzene, 2-octadecyldecalin, and tetradecylcyclopentane; ceresin, ozokerite; polyethylenes and synthetic waxes from the Fischer-Tropsch process; waxes from destructive or non-destructive hydrogenation; and ...

Improved solid lubricating mixtures

A lubricating mixture comprises molybdenum disulphide and 25-70% of zinc sulphide. Lubricating oils or greases of mineral and/or synthetic origin may be included.

Lubricant compositions

A lubricant comprises a polyphenyl ether (preferably containing 3-7 phenoxy groups) and a minor amount of one or more cobalt salts of naphthenic, benzoic or alkyl-benzoic acids.

Tetraureide greases

The invention comprises tetraureides of formula: R1NHCONHR111NHCONHRNHCONHR111 NHCONHR11 where R, R1 and R11 are C1-30 hydrocarbon radicals and R111 is a cyclic C6-30 hydrocarbon radical, and their production by heating together R1NH2, R11NH2, H2NRNH2 and R111(NCO)2. Specified R values are phenylene, diphenylene, ethylene, propylene, octylene and octadecylene; specified R1 and R11 values are phenyl, p-tolyl, benzyl, dodecyl, tetradecyl, hexadecyl and octadecyl; specified R111 values are divalent radicals derived from diphenylmethane, 3,31-dimethyl diphenylmethane, 3,31-bitolylene and m-xylylene. The tetraureides are used to prepare grease compositions (see Divisions C3 and C5).ALSO:Grease compositions comprise an oil of lubricating viscosity, e.g. hexa-(4-methyl-2-pentoxy)-disiloxane, poly(methyl)siloxane, poly(methyl-phenyl) siloxane, and polyalkylene oxides such as are prepared by polymerising an alkylene oxide, e.g. propylene oxide, in the presence of water or an alcohol, e.g. ethanol ...

A process for high temperature lubrication

A process for high temperature lubrication comprises applying to the surface an oil- and grease-free aqueous solution of an alkali metal phosphate and a viscously soluble potassium polyphosphate, drying the solution and melting the residue. Preferred proportions of the melt in per cent by weight are P2O5, 55-69; Na2O 14-35; K2O, 5-27; 1 to 10% of the sodium and/or potassium can be replaced by e.g. magnesium, manganese or zinc.ALSO:High-temperature lubrication of e.g. seamless steel tubes comprises applying to their surfaces an oil- and grease-free aqueous solution of one or more alkali metal phosphates and a viscously soluble potassium polyphosphate, drying the solution and melting the residue. Preferred proportions of the melt in per cent by weight are: .P2O5..........55-69 .Na2O..........14-35 .K2O..........5-27 1 to 10% of the sodium and/or potassium can be replaced by divalent metals, e.g. Zn, Mg or Mu. p ...

Lubricating grease compositions

A lubricating grease comprises a silicone lubricating oil (e.g polymethyl phenyl siloxane) and a grease-forming quantity of a naphthalic imidazole of formula: or the cis form thereof, where R1, R11, and R111 are hydrogen, alkyl, alkoxy, or halogen, and x, y, and z are 0, 1, 2 or 3. A number of such compounds are formulated, including Vat Orange 7. In a modification the grease may also contain colloidal silica, in which case the total of silica and naphthalic imidazole forms a grease-forming quantity. Other materials which may be present are alumina hydrate, barium sulphate, clay, calcium acetate, calcium carbonate, and molybdenum disulphide.ALSO:A lubricating grease is formed by adding to an oil base of lubricating viscosity a grease-forming quantity of a naphthalic imidazole represented by the general formula or the cis form thereof, in which R1, R11 and R111 represent hydrogen, alkyl, alkoxy, or halogen, and x, y and z are whole numbers from ...

Mixed esters of 1,1,1-trimethylolethane and lubricant compositions containing them

The invention comprises a mixed ester of 1,1,1-trimethylol ethane in which two hydroxy groups are esterified with the same or two different straight chain C4-6 alkanoic acids and the other hydroxyl group is esterified with a straight chain C7-10 alkanoic acid, the ester having a molecular weight of from 390 to 460. The invention also comprises the product obtainable by esterifying the triol with a mixture of about 2 equivalents of one or more of the C4-6 acids and about 1 equivalent of one or more of the C7-10 acids, the product having a molecular weight of from 390 to 460. The esters may be made by mixing the triol with the acids and then heating until reaction is complete or reacting the triol with one acid and then reacting the partial ester formed with the other acid or acids. Solvents and a catalyst or active carbon may be present. The preparation is described of the trimethylol ethane divalerate mono pelargonate, dibutyrate mono pelargonate, divalerate mono heptanoate, divalerate ...

Antioxidant compositions

The invention comprises a composition containing (a) an antioxidant mixture of (1) an organic diallyl phosphonate, having a hydrogen atom bonded to phosphorus, in an amount from 0.005% to 1.5% and (2) 0.01 to 5% of a phenol mono-, di-, or tri-sulphide, wherein the phenol nuclei are bridged by Sx, where x is from 1 to 3, both percentages being based on the weight of the composition, and (b) an organic material subject to oxidation by air oxygen or ozone. Examples of organic materials are: diester lubricants formed by the reaction of dibasic C4 to C16 carboxylic acids with monohydric C1 to C10 alcohols; chlorinated organic compounds such as chlorodiphenyls, chloronaphthalenes and chlordiphenyl acids; phosphate esters, which are prepared by the reaction of an alcohol with phosphoric acid, and have the general formula wherein R, R1 and R11 are hydrogen or an organic radical provided that at least one is an organic radical, a typical example is tricresylphosphonate; Vitamins ...

Improvements in or relating to ester base compositions

Lubricants comprise a major proportion of an ester base and minor proportions of (i) phenothiazines of formula where R is an alkyl, aryl, alkaryl, aralkyl, or cyanoalkyl radical at least one of R1, R2, R3 and R4 is an alkyl of alkoxy radical, any other being hydrogen and (ii) a secondary aromatic amine having two aromatic groups directly attached to the nitrogen atom. Esters specified are those formed from C6-C10 aliphatic dicarboxylic acids and C6-C12 branched chain monohydric alcohols, e.g. di-isodecyl azelate, di(3,5,5-trimethyl hexyl)adipate, complex esters, polyesters, e.g. trimethylol propane tripelargonate, pentaerythritol tetraesters or dimers or trimers thereof. The amines specified are diphenylamines and N-aryl naphthylamines. The lubricant may include thickeners, e.g. polyacrylates, polyoxyalkylene glycol ethers, and copolymers of propylene oxide and ethylene oxide; extreme pressure additives, e.g. phosphorothionates, phosphate esters with or without secondary ...

GAS TURBINE LUBRICANTS

... 1413728 Gas turbine lubricants STAUFFER CHEMICAL CO 17 July 1973 [7 Aug 1972] 33961/73 Heading C5F A lubricant base stock consists of (a) 20- 80 wt. per cent of a mineral oil having a viscosity of 4 to 10 centistokes at 210‹ F. and (b) 80-20 wt. per cent of a carboxylate ester selected from the diesters of aliphatic or aromatic dicarboxylic acids and C 4-20 alcohols, fully esterified trimethylol ethane, trimethylol propane and pentaerythritol esters of C 2-20 monocarboxylic acids, diesters of 1,3-butylene glycol or of neopentyl glycol with C 4-20 monocarboxylic acids. The ester components (b) used in the examples are those of isophthalic acid and C 6-12 straight chain alkanol mixtures, di-2- ethylhexyl isophthalate, an 80 : 20 (molar) mixture of iso-octyl isodecyl adipate and di-2- ethylhexyl adipate, di-2-ethylhexyl adipate, 1,3- butylene glycol pelargonate heptanoate, trimethylol propane tripelargonate, pentaerythritol monobutyrate triheptanoate cross-linked with azelaic acid, and esterification ...

Improvements in or relating to lubricating compositions

The invention comprises a lubricating composition as claimed in the parent Specification which lubricating composition has incorporated therein a minor proportion of a neutral organic phosphate or phosphite ester. The composition of the parent Specification compries a neutral ester or mixture of esters derived from aliphatic or cycloaliphatic dicarboxylic acids having from four to ten carbon atoms in the molecule, and branched-chain aliphatic or alkyl substituted cycloaliphatic alcohols having at least four carbon atoms in the molecule or from mixtures of such alcohols with glycols, and a minor proportion of a di (hydroxyaryl) thioether. The dicarboxylic acid ester may have the general formula where R is a aliphatic or cycloaliphatic hydrocarbon radical having 2 to 8 carbon atoms, and R1 and R2 are branched-chain alkyl or alkyl-substituted cycloalkyl radicals having at least 4 carbon atoms; R may be -CH=CH-, (CH2)n where n is 2 to 8, or The ester ...

N-vinyl-2-piperazinones and polymers thereof

Gasoline and lubricating oil compositions contain polymers or copolymers of N-vinyl-2-piperazinones of formula in which R1 is hydrogen; C1-C18 alkyl; aralkyl or alkaralkyl each containing up to 18 carbon atoms, and in each of which each alkyl group contains up to 8 carbon atoms; dialkylaminoalkyl of up to 12 carbon atoms, and in which each alkyl group contains up to 8 carbon atoms; or furfuryl; R2 individually, is hydrogen or methyl; R3, individually, is hydrogen; C1-C18 alkyl; phenyl; naphthyl; alkyl-, chloro- or alkoxy-substituted phenyl or naphthyl each containing up to 18 alkyl carbon atoms; aralkyl or alkaralkyl of up to 18 carbon atoms; or 2-furyl; R2 and R3 collectively, represent an alkylene group containing up to 18 carbon atoms which together with the carbon atom to which it is attached forms a ring having 5 to 7 cyclic atoms; R4, individually, is hydrogen or C1-C4 alkyl; R, individually, is hydrogen or C1-C4 alkyl and R4 and R5, collectively, represent ...

Synthetic ester lubricants

Lubricating compositions comprise a liquid blend containing as essential components: (1) a base oil having a viscosity of 3-10 cs. at 210 DEG F. and consisting of a neutral ester having at least two ester linkages per molecule and prepared by reacting together in one or more stages: (a) a C5- 15 mono- and/or poly-hydric alcohol having no hydrogen atoms attached to any carbon atom in a 2-position with respect to any -OH group; and (b) a C2- 14 mono- and/or poly-carboxylic acid; and (2) a minor amount of an aminophosphonate of the general formula: where R1 and R2 are alkyl, cycloalkyl, aryl or aralkyl groups, R3 is hydrogen or an alkyl group, and R4 is hydrogen or an alkyl, cycloalkyl, aryl or aralkyl group or may together with R3 be part of a ring which, apart from the nitrogen atom, is made up of hydrocarbon groups or hydrocarbon groups and a second hetero-atom, e.g. oxygen. The esters include polyesters and complex esters prepared from trimethylolpropane or pentaerythritol ...

Synergystic combination of aryl amine antioxidants in aviation turbine oils

Neopentyl compounds

Lubricants or lubricant additives comprise polyesters derived from dibasic acids and the glycols ALSO:The invention comprises the compounds 2,2,11,11 - tetramethyldodecanediol - 1,12, 2,2,9,9 - tetramethyl - 4 - ethyldecanediol - 1,10, and 2,2,7,7 - tetramethyl - 4,5 - diethyloctanediol-1,8 and mixtures thereof; and their preparation by the catalytic hydrogenolysis of at least one of the diethers of formula were R is hydrogen or aryl and R1 is aryl (aryl including aralkyl). The above diethers are prepared by reacting butadiene with a compound to give the compounds (where X is Cl, Br or I), reacting one or both of these by intermolecular dehalogenation and coupling to give the compounds and catalytically hydrogenating. Methallyl benzyl ether is prepared from methallyl alcohol, NaOH solution and benzyl chloride. The glycols of the invention are lubricants and cross-linking agents for polymers ...

Functional fluids

A functional fluid comprises a mixture of (a) a polyalkylamino di- and/or tri-azine and (b) a polyphenyl ether, the weight ratio of a : b being 1 : 9 to 9 : 1. Component (a) may have the formula. where X is N or CH, R1 is H or a C1-C16 alkyl radical, R3 is a C1-C16 alkyl radical and R2, R4, R5 and R5 are C1-C6 alkyl radicals, the sum of the carbon atoms of all nitrogen substituents being at least 12. The polyphenyl ether may have alkyl or alkoxy substituents. The composition may include an anti-oxidant, many examples being given which include amines, phenols, sulphides, selenides, silazines and tocapheral. Additional ingredients are phosphites, phosphates, sulphonized sperm oil, barium or calcium mahogany sulphonates, sacosines, benztriazoles, silicones and grease thickeners such as soaps, bentonites, phthalocyanines and violanthrones.

Partial amides of hydrogenated dimer acids and lubricating compositions containing such amides

A lubricant composition comprises an ester-based synthetic fluid of lubricating viscosity, a novel ester oil-soluble amide of an hydrogenated dimer acid having the formula (B)x-A-(CONRR1)2- x wherein A is the hydrocarbon residue of an hydrogenated dimer of a C16- 22 polyolefinic fatty acid, B represents -COOH groups or ester groups or both, R and R1 represent hydrogen, tetrahydrofurfuryl or an hydrocarbon radical optionally substituted with non-deleterious substituents, x is a positive number up to 1.7 and there being on the average up to 1/2 olefinic bond per molecule, and optional amounts of natural esters, methyl silicone polymer foam inhibitors and alkylene diamine tetraacetic acid tri-ester metal salt antioxidants. The lubricating ester component is preferably a neopentyl polyol polyester.ALSO:Novel ester oil-soluble amides of hydrogenated dimer acids having the formula (B)x-A-(CONRR1)2-x wherein A is the hydrocarbon residue of a hydrogenated dimer of a C16- 22 polyolefinic fatty acid ...

Synthetic Lubricants

... 1,162,818. Lubricants. BRITISH PETROLEUM CO. Ltd. 25 Nov., 1966 [17 Dec., 1965], No. 53617/65. Heading C5F. A lubricant comprises (a) one or more liquid, neutral complex esters formed from trimethylolpropane, sebacic and/or azelaic acid and one or more C 2 -C 14 aliphatic mono-carboxylic acids and (b) one or more liquid polyethers of formula where at least 20% of the R's are tetramethylene groups and each of the other R's is -CH 2 C(R1)(R2)- where R1 is hydrogen or methyl and R2 is hydrogen, methyl or ethyl; X is C 1 -C 12 alkyl; Y is hydroxyl or C 1 -C 12 alkoxyl; and n is such that the polyether has a viscosity of 5-1000 cs. at 210‹ F.; the proportion of (b) being 0À1-10 wt. per cent of (a) plus (b). The composition may also contain an antioxidant, e.g. phenothiazine, iminodibenzyl and aromatic amines (examples are given), a copper passivator, e.g. imidazoles, pyrazoles, triazoles and salts of 1-salicylalamino-guanidine and C 2 -C 24 fatty acids (examples ...

Lubricant composition

A lubricating composition comprises a major proportion of a base oil which is a mixture of, by weight, 60-80% di-(2-ethyl hexyl) azelate, 15-35% di-(isodecyl) azelate, and 0.1-5% of petroleum-based tricresyl phosphate. Other constituents in the composition may be a glycol titanate (used as a catalyst in the preparation of the esters and left in the finished product as a load carrier); methacrylate-pyrrolidone copolymers, e.g. a solution in di-(2-ethyl hexyl) sebacate of a copolymer of N-vinyl pyrrolidone with a mixture of stearyl, lauryl and butyl methacrylates; a free C6-14 non-aromatic dicarboxylic acid, e.g. adipic, pimelic, suberic, azelaic, or sebacic acid; an antioxidant, e.g. phenothiazine, 2,6-di tert-butyl a -dimethylamino-p-cresol, or a mixture thereof; and a di-(lower alkyl) silicone, e.g. dimethyl, diethyl, methyl ethyl or methylpentyl silicone.

A lubricating oil emulsion

A non-inflammable lubricant, especially suitable for cooling hot bearings, is made by emulsifying machine oil, wagon oil, cylinder oil, or other mineral oil with saturated lime-water, which forms 30-60 per cent by weight of the emulsion. The ingredients are incorporated under pressure greater than atmospheric. Specification 108/76 is referred to.

DIESTERS AND THEIR MANUFACTURE, PURIFICATION AND USES

... 1,262,246. Diesters. INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS. 26 March, 1970 [4 April, 1969], No. 14848/70. Heading C2C. [Also in Division C5] Diesters of formula in which R 1 and R 2 are identical or different straight-chain saturated aliphatic radicals (5- 15 C) are prepared by reacting 2,2,7,7-tetramethyl-1,8-octanediol with at least one straightchain saturated aliphatic monocarboxylic acid (6-16 C) or an acid chloride or anhydride thereof, or by reacting a diester of 2,2,7,7- tetramethyl-1,8-octane diol (acid radical 1-4 C) with at least one straight-chain saturated aliphatic monocarboxylic acid (6-16 C). The esters may be symmetrical or mixed diesters and purification processes are described. Examples are 2,2,7,7-tetramethyl-1,8-octanediol dipelargonate, dienanthate, dicaprylate, dicaprate, dilaurate and mixed esters 2,2,7,7- tetramethyl - 1,8 - octanediol enanthate - caprylate, caprylate-caprate, caprylate-pelargonate, and caprate-pelargonate. The diesters are used ...

Improvements relating to lubricating oils

Mineral lubricating-oils are stabilized by adding diarylthio-ethers in which both aryl groups contain a nucleus-substituted hydroxy group. Substances of the following general formula are preferred in which the group R is in the para-position relative to the hydroxy group, and is an alkyl group such as ethyl, isopropyl, tertiary amyl or butyl, or normal butyl. Other substituents such as an aralkyl, aryl, cyano or halogen group may be present. Substances specified are: 2 : 2<1>-dihydroxy(-5 : 5<1>-ditertiary butyl) diphenyl thioether or the corresponding ditertiary amyl compound, 4 : 4<1>-dihydroxy diphenyl thio ether, dicresol thio ether, or di-b -naphthol thio ether. These are added to mineral oil distillates or residues which may be refined by selective solvent extraction, chemical reagents, voltolization, hydrogenation, or de-waxing, or to mixtures of these oils Dyes, soaps, pour-point depressant, resins, rubber, fatty oils, organometallic compounds, waxes, graphite ...

Lubricating oil compositions

A liquid lubricating composition comprises a major proportion of a lubricating oil, a minor proportion of an oil-soluble halogen-containing organic compound containing at least two halogen atoms and no atoms other than halogen, carbon, hydrogen, oxygen and sulphur, and a minor proportion of an oil-soluble polyvalent metal salt of an alkylphenol-aldehyde condensation product containing no nitrogen. The halogen-containing compound may be a halogenated lubricating oil or paraffin wax containing 20 to 70 per cent by weight of halogen, particularly a paraffin wax having a melting point of 100 DEG F. to 130 DEG F. chlorinated until it has a chlorine content of 30 to 50 per cent by weight; a halogenated fatty acid, such as a chlorostearic acid or chlorinated fatty oil or fat; a halogenated aromatic compound, such as chlorinated diphenyl, chlorinated diphenyl ether, chlorinated naphthalene containing at least two chlorine atoms in the molecule, and 1.1.1-trichloro-2.2-bis (41-chlorophenyl) ethane ...

LUBRICATING GREASES

SYNTHETIC SATURATED OILS AND THEIR PRODUCTION AND USE

... 1535849 Cosmetics containing a synthetic saturated oil SUMITOMO CHEMICAL CO Ltd 24 May 1976 [26 May 1975 4 June 1975 5 Nov 1975] 21341/76 Heading A5B [Also in Divisions C3 and C5] A synthetic saturated oil for use in a cold cream, lipstick or hygienic cream comprises a hydrogenated polyisoprene having at least 70% 1, 4 structure in the main chains and a number average molecular weight of 150-3000.

New polyesters and their method of preparation

The invention comprises liquid polyesters, and mixtures thereof, having the general formula wherein n is an integer, R represents a C4-18 alkyl group and R1 represents an alkylene group containing 2-14 carbon atoms. Different R and R1 groups may be present in the one ester molecule. The preferred esters have viscosities of 50-50,000 centistokes at 25 DEG C. The esters are prepared by reacting in one or more stages (a) an acid or acids of the formula HOOC.R1.COOH, or the anhydrides thereof where they exist, (b) a saturated monohydric alcohol or alcohols ROH and (c) 2-methyl-2-ethyl- 1 : 3-propanediol; the molar proportion of the diol should be at least half the molar proportion of alcohol(s) and the total molar proportion of alcohol(s) and diol should exceed the molar proportion of acid(s). Specified alcoholic and acidic reagents are 2-ethyl hexyl, 2-ethyl butyl, cetyl, neopentyl, trimethyl hexyl and trimethyl nonyl alcohols and sebacic, adipic, pimltic, suberic, azelaic ...

Improvements relating to synthetic lubricants

A lubricating composition comprises a blend of a liquid aliphatic diester of a saturated aliphatic dicarboxylic acid, and a polyester, soluble in the diester, and having the general formula : where n is an integer, the Rs are alkyl groups having 4-18 carbon atoms, the R1S are either alkylene groups having 4-14 carbon atoms or phenylene groups, and the R7S are either methyl or ethyl groups, the relative proportions of diester and polyester in the blend being such that the viscosity of the blend at 210 DEG F is 4-30 centistokes. The diesters may have the formula R4OOCR5COOR4 where R5 is an alkylene group having 4-14 carbon atoms and the R4S are alkyl groups, preferably branched-chain, having 4-18 carbon atoms. The polyesters may be prepared by reacting, in one or more stages, one or more dicarboxylic acids HOOCR1COOH or the anhydrides of such acids (where they exist), one or more monohydric alcohols ROH and one or more diols HOCH2C(CH3)(R7)CH2OH. The lubricating composition ...

New polyesters and their method of preparation

New monohydric alcohol terminated polyesters, useful in synthetic lubricant blends (see Specification 861,964) are the reaction products of (1) one or more dicarboxylic acids of formula HOOC-R1-COOH, where R1 is an alkylene group of 4-14 carbon atoms, or anhydrides thereof; (2) one or more diols of formula where x is 0 or an integer, y is an integer, x+y does not exceed 5, R6 is a methyl or ethyl group and R7 is an alkyl group of 1-4 carbon atoms (see Specification 861,961), and (3) one or more monohydric alcohols of formula ROH, where R is an alkyl group of 4-18 carbon atoms. Specified dicarboxylic acids are sebacic, adipic, pimelic, suberic, azelaic and brassylic acids. Specified monohydric alcohol are 2-ethylhexyl-, 2-ethylbutyl-, cetyl-, neopentyl-, trimethyl-hexyl- and trimethylnonyl alcohol. In an example a polyester is made by reacting a mixture of (1) 0.5 mol. sebacic acid, (2) 0.5 mol. of the reaction product of 4 mols. of neopentyl glycol and 7 mols. of ...

Grease manufacture

Lubricating grease, comprising a lubricating oil and a soap gelling agent, is homogenized by passing it through a restricted orifice at a pressure of at least 500 lbs./sq. inch. Suitable lubricating oils are mineral oils, polymerized olefins, esters of dibasic acids, esters of polyalcohols with monocarboxylic acids, silicones, silicate esters, esters of phosphorus containing acids, fluorocarbons, perfluoro-alkyl ethers, and perfluoro-alkyl amines. Specific synthetic lubricating oils mentioned are polypropylene polypropylene glycol, di-(2-ethyl-hexyl) sebacate or adipate, dibutyl phthalate, polyethylene glycol di-(2-ethyl hexoate), and polymethylsiloxane. Mixtures of mineral and synthetic lubricating oils may also be employed. Alkali metal, alkaline earth metals, aluminium and mixed base soaps are mentioned as gelling agents. Homogenization may be effected in a Manton-Gaulin homogenizer apparatus is described in which lubricating oil and soap or ingredients for making the same, are fed to ...

Improved synthetic lubricating compositions

A lubricating composition, suitable for the lubrication of aviation gas turbine systems, comprises a complex ester having the general structure: wherein the residues are derived from 2-ethyl hexanol, iso-octanol or iso-nonanol, adipic, azelaic or sebacic acid, and a polyethylene glycol with a molecular weight of about 200, together with 0.1-10 per cent by weight, based on the total composition, of either benzthiazole or an oil-soluble compound consisting of a first benzene ring condensed with a substituted benzene ring, the substituent group or groups being chosen from -OH, -SH, amine, substituted amine, amide and esterified carboxyl groups. The first benzene ring may also carry one or more substituent groups which may be chosen from those listed above and from alkyl, cycloalkyl and phenyl groups. Suitable oil-soluble compounds of the condensed benzene ring type are a -naphthol, a - or b -naphthylamine and 2,3-, 1,7- or 2,6-dihydroxynaphthalene. The lubricating compositions ...

SYNTHETIC LUBRICANT COMPOSITIONS COMPRISING ALIPHATIC AMIDES

... 1505265 Lubricants &c. TEXACO DEVELOPMENT CORP 25 June 1975 26908/75 Heading C5F [Also in Division C2] A lubricant comprises a lubricating oil and at least 30% by volume of a mixture of amides of formula and/or wherein R is a hydrogen or an alkyl radical containing from 1 to 20 carbon atoms; each of R' and R3 is a hydrogen atom, a primary alkyl radical containing from 1 to 25 carbon atoms or a secondary alkyl radical containing from 5 to 25 carbon atoms; each of R11 and R4 is a secondary alkyl radical of from 5 to 25 carbon atoms; and x is a numeral of from 0 to 12; and the secondary alkyl radicals present contain carbon chain lengths within the range substantially of 5 to 10 carbon atoms; 10 to 14 carbon atoms; 14 to 15 carbon atoms, 16 to 18 carbon atoms, 17 to 20 carbon atoms, 19 to 22 carbon atoms; and 22 to 25 carbon atoms, said amides in said mixture having secondary alkyl substituents of each of said chain lengths present therein. Other components of the ...

New polyesters and their method of preparation

New polyesters suitable as components for synthetic lubricatants (see Specification 847,593) have the formula : ROOCR1COO(R2OOCR1COO)nR where n is an integer, R is an alkyl group having 4-18 carbon atoms, R1 is an alkylene group having 4-14 carbon atoms and R2 is a hydrocarbon group of formula : or They are made by reacting in one or more stages (a) An aliphatic dicarboxylic acid of formula HOOCR1COOH, e.g. sebacic, adipic, pimelic, suberic, azelaic or brasylic acid (b) a saturated aliphatic monohydric alcohol of formula ROH, e.g. 2-ethylhexyl-, 2-ethylbutyl-, cetyl-, neopentyl-, trimethylhexyl- or trimethylnonyl alcohol and (c) one or more of the three isomeric tricyclodecanedimethylols. In an example, a mixture of sebacic acid, 2-ethylhexyl alcohol and commercial tricyclo-decane dimethylol is polyesterified. Specification 824,249 also is referred to.ALSO:New esters, suitable as components for synthetic lubricants (see Specification 847,593 ...

Process of making an improved carboxylic acid salt complex thickened lubricant

A process for the production of a substantially anhydrous lubricating composition comprising a mixture of metal salts of acetic acid and a C7 to C10 monocarboxylic acid, and lubricating oil, consists in heating the mixture to 250-350 DEG F., maintaining the proportion by weight of the said metal salts in the range of 20-50%, homogenizing in the range 80-150 DEG F. with the rate of shear in the range 100,000 to 500,000 reciprocal seconds, diluting with further amounts of lubricating oil, thus giving a concentration of 4-10 wt. per cent of metal salts and homogenizing in the range 80-150 DEG F., with the rate of shear in the range 100,000 to 750,000 reciprocal seconds, to give a fluid product of viscosity 80-200 S.S.U. at 210 DEG F. and said to be of improved stability. The lubricating oil has an initial viscosity in the range 55-100 S.S.U. at 210 DEG F. and a V.I. of 40-100; the molecular ratio of acetic to C7-C12 acid is in the range of 10 : 1 to 25 : 1. It is preferred to form the said ...

LUBRICATING COMPOSITIONS

... 1307727 Lubricants ESSO RESEARCH & ENG CO 19 April 1971 [24 July 1970] 36009/70 Heading C5F Lubricants comprise a base oil, a quaternary ammonium salt of a halogen-substituted carboxylie acid wherein there is at least one -halogen atom and an antioxidant. The acid may be mono- or di-carboxylic (many examples are given, e.g. trichloroacetic acid and ,-dichlorophenyl acetic acid), and the quaternary ammonium salt may be tetra-n-butyl ammonium trichloroacetate. Many examples of diarylamine, thiodiarylamine and s-trizaine antioxidants are given. The lubricating oil may be mineral, fatty or synthetic, e.g. diesters, polyesters, complex esters and mixtures thereof with polyglycols (many examples given). The lubricant may also contain a corrosion inhibitor (e.g. alizarin, anthrarufin, imidazole, alkyl gallates or sebacic acid), silicones and alkyl or alkyl aryl phosphates.

HYDROLYSIS-RESISTANT ESTER LUBRICATING OILS

... 1454484 Long-chain carboxylic esters CHEMISCHE WERKE HULS AG 8 Feb 1974 [10 Feb 1973] 05796/74 Heading C2C [Also in Division C5] A process for the manufacture of hydrolysisresistant carboxylic acid esters comprises subjecting a (C 13 -C 18 ) linear olefin, the double bond isomers of which are distributed according to a thermodynamic equilibrium, to a hydroformulation reaction and reacting the resulting aldehyde by a Tischtschenko reaction. A rhodium triphenylphosphine catalyst is suitably used in the first stage. The ester product is suitably used as a lubricant.

New or improved glycol complex esters

The invention comprises complex esters of the general formula: wherein n is a number from 2 to 10, the R1's represent the residues of dicarboxylic acids at least one being saturated aliphatic and at least one being aromatic, R2 is the residue of an alkylene glycol and R3 is the residue of a saturated aliphatic monohydric alcohol. They may be obtained by bringing about a reaction by heat in the absence of an esterification catalyst between a saturated aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, an alkylene glycol, and at least one saturated aliphatic monohydric alcohol, the molecular proportion of glycol being between 0.66 and 0.96 and the molecular proportion of monohydric alcohol being between 0.12 and 0.66 for each molecular proportion of total dicarboxylic acids. Either or both of the dicarboxylic acids can be used in the form of their anhydrides. The reaction can be carried out by heating the dicarboxylic acids the glycol and the monohydric alcohol ...

COAL HYDRATE ESTER FOR APPLICATIONS OF LUBRICANTS

SYNTHETISCHE SCHMIEROLFORMULIERUNG

KETON DIARYLAMIN CONDENSATES

COMPOSITIONS, CONCENTRATES, LUBRICANT PREPARATIONS, FUEL PREPARATION AND IMPROVEMENT PROCEDURE THE FUEL ECONOMY OF COMBUSTION ENGINES.

LUBRICANT AND/OR LUBRICANT CONCENTRATE.

Opinion board for stories instruction.

COMPOSITIONS, CONCENTRATES, LUBRICANT COMPOSITION, FUEL COMPOSITION, AND IMPROVEMENT PROCEDURE THE FUEL ECONOMY OF COMBUSTION ENGINES

Liquid lubricant compositions

Lubricant

Multi-range transmission oil

Lubricant on the basis of dicarbonic acid esters

Lubricating oils

Diesel fuel compositions

Low-viscosity lubricating oil and functional fluid compositions

ORGANIC COMPOSITIONS CONTAINING N-ACYL BENZOTRIAZOLES

Polyol ester compositions with unconverted hydroxyl groups

Lubricants and fluids containing thiocarbamates and phosphorus esters

GREASE COMPOSITION

High viscosity complex alcohol esters

LOW VISCOSITY OLIGOMER OIL PRODUCT, PROCESS, AND COMPOSITION

The present invention relates to a low viscosity lubricant process, product, and composition characterized by low Noack volatility, low pour point, useful low temperature viscometrics, and high viscosity index and more particularly concerns a PAO composition having a kinetic viscosity at 100°C in the range of about 4 cSt.

ANTIOXIDANT

Case 4273 ANTIOXIDANT Organic material is stabilized against oxidative degradation by the addition of a small amount of an antioxidant compound or mixture of compounds containing a central segment of one to about ten divalent o-nydrocarbyl phenol groups (e.g. o-tert-butylphenol) bonded to each other through a methylene group and having terminal 3,5-dihydrocarbyl-4-hydroxybenzyl groups at each end. They are made by first condensing o-hydrocarbyl phenol with formaldehyde and then reacting the intermediate with 2,6-dihydrocarbyl phenol and formaldehyde.

HIGH VISCOSITY NEUTRAL COMPLEX POLYESTER LUBRICANTS

A high viscosity neutral complex polyester lubricant reaction product produced by esterifying a mixture of (a) branched alkanepolyols having 2 to 4 primary hydroxyls and 4 to 10 carbon atoms, (b) polyacids selected from the group consisting of dimeric fatty acids and trimeric fatty acids derived by polymerization of unsaturated fatty acids having 16 to 18 carbon atoms, (c) alkanoic acids having 6 to 16 carbon atoms, the acid number of said polyester being 0.3 or below and the hydroxyl number of said polyester being below 0.5, the proportion of hydroxyl groups esterified by said alkanoic acids being from 50% to 90%. The said complex polyester lubricant having a low pour point, a high viscosity and a high viscosity index. - A ...

PERFLUOROALKYLETHER SUBSTITUTED ARYL PHOSPHINES AND LUBRICANT COMPOSITIONS THEREOF

Perfluoroalkylether substituted aryl phosphines useful as anticorrosion and antioxidation additives are disclosed. The invention covers also lubricant compositions comprising a perfluorinated polyalkylether base fluid and a minor amount of said perfluoroalkylether substituted aryl phosphine.

ALKOXYSILANE DOUBLE CLUSTER COMPOUNDS WITH SILICONE BRIDGES AND THEIR PREPARATION AND USE

Novel alkoxysilane cluster compounds are described having the formula: wherein n is an integer from 0 to 300; R is hydrogen, alkyl, alkenyl; aryl, aralkyl or -OSi(OR')3; each R' is independently selected from alkyl, alkenyl, aryl or aralkyl with the proviso that at least a majority of R' radicals are sterically hindered alkyl groups having at least 3 carbon atoms; and R" and R''' are independently selected from hydrogen, alkyl, alkenyl, aryl, aralkyl, hydroalkyl, and halo or cyano substituted alkyl, alkenyl, aryl, aralkyl, and hydroalkyl. The preparation of these alkoxysilane cluster compounds is also described. The compounds are useful in the operation of a fluid operating system which uses a hydraulic pressure transmission fluid or a heat transfer fluid.

MIST LUBRICATION WITH OIL CONTAINING A POLYMERIC ADDITIVE

TURBINE OIL COMPOSITIONS

Turbine Oil Compositions A lubricating oil composition, particularly suitable for use in steam turbines or gas turbines, is disclosed. The turbine oil composition comprises a major amount of a mineral or synthetic hydrocarbon base oil and an effective amount of a combination of the following materials: triphenyl phosphite or a trialkyl-substituted phenyl phosphite; diphenylamine or alkylated diphenylamine; phenyl .alpha.-naphthylamine, phenyl .beta.-naphthylamine, alkyl or alkaryl substituted phenyl .alpha.-naphthylamine, or alkyl or alkaryl substituted phenyl .beta.-naphthylamine; benzotriazole or alkyl-substituted benzotriazole; partial ester of alkyl or alkenyl succinic anhydride. In a preferred aspect, the turbine oil composition contains additionally an effective amount of a copolymer of N-vinyl-2-pyrrolidone and an .alpha.-olefin.

PREPARATIVE PROCEDURE FOR HIGH DROPPING POINT LUBRICATING GREASE

LUBRICANT OR LUBRICANT CONCENTRATE

Lubricant or lubricant concentrate on mineral oil and/or synthetic oil basis having improved lubricating properties, in particular improved load bearing, sliding and corrosion inhibiting properties, which contains a) one or more mineral oils and/or synthetic oils as base oil and b) at least one compound A containing in its molecule at least one quaternary carbon atom and at least one ester bond and/or ether bond, as well as c) further usual additives.

AIRCRAFT HYDRAULIC SYSTEM

An aircraft hydraulic system utilizes a hydraulic fluid that includes a heat transfer fluid and a friction modifier additive.

METHOD FOR IMPROVING THE COKING RESISTANCE OF A LUBRICATING COMPOSITION

La présente invention a pour objet un procédé de lubrification qui comprend une étape de lubrification d'une machine avec une composition lubrifiante comprenant un ou des liquides ioniques comprenant au moins : - un anion choisi parmi les sulfonylimides dont le ou les substituants sont indépendamment choisis parmi un groupe fluoroalkyle, fluoroéther, alkyle perfluoroé ou perfluoroéther; et - un cation comprenant un hétérocycle azoté ou un ammonium quaternaire, dont le ou les substituants sont indépendamment choisis parmi : l'hydrogène ou les groupes alkyle, alcoxy, alkyle fluoré, alkyle perfluoré, alkyl silane, alcool alkylique, vinyle, alkyle allyle, éther ou polyéther, ayant une chaîne linéaire ou ramifiée ayant de 1 à 3 atomes de carbone, à la condition que lorsque le cation est un ammonium quaternaire, au moins deux de ces substituants sont un groupe méthyle, le ou les liquides ioniques présentant une température de début de dépôt en couche mince (méthode MCT), qui est au moins égale ...

LUBRICATING OIL COMPOSITIONS FOR MEOH-FUELED DIESEL ENGINES

ASHLESS DISPERSANT POLYMETHACRYLATE POLYMERS

A novel polymer useful as an ashless dispersant additive which provides a combination of dispersancy, good cold cranking engine startup, low-temperatu re viscosity properties and neutral behavior towards fluoropolymer engine seal materials is produced by polymerizing several alkyl methacrylates with a hydroxyalkyl methacrylate while controlling the relative weight ratio of the component monomers to obtain an appropriate carbon atom content in the alkyl side chai n portion of the methacrylate backbone polymer to achieve desired additive solubility properties.

ENGINE OIL HAVING DISPERSANT AND ALDEHYDE/EPOXIDE FOR IMPROVED SEAL PERFORMANCE, SLUDGE AND DEPOSIT PERFORMANCE

Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of (A) a nitrogen containing dispersant with a total base number of from 20 to 160 on an oil-free basis wherein the improvement comprises adding to said dispersant; (B) a sludge preventing/seal protecting additive of at least one aldehyde or epoxide or mixtures thereof.

Hitzebeständiges Kohlenwasserstofföl.

Procédé de protection des surfaces métalliques contre la corrosion.

Verfahren zur Halogenierung eines Kohlenwasserstoffes.

Verfahren zur Halogenierung eines Kohlenwasserstoffes.

Application-specific finished lubricant compositions comprising a bio-derived ester component and methods of making same

The present invention is generally directed to methods of making application-specific finished lubricant compositions comprising bio-derived diester species. In some embodiments, bio-derived fatty acid moieties are reacted with Fischer-Tropsch/gas-to-liquids reaction products and/or by-products (e.g., gas-to-liquids-produced α-olefins) to yield bio-derived diester species that can then be selectively blended with base oil and one or more additive species to yield an application-specific finished lubricant product having a biomass-derived component.

Use of alkanolamines based on propylene oxide as additives in lubricants

A lubricant which comprises an alkanolamine of the formula I of the formula II of the formula III of the formula IV or a mixture of alkanolamines selected from alkanolamines of the formulae I to IV, where R1, R2, R3, R1′, R2′ and R3′ are each independently a hydrogen atom or a C1 to C4 alkyl group, and R 4 is a C1 to C16 alkyl group.

Lubricating Compositions For Turbine And Hydraulic Systems With Improved Antioxidancy

The present invention relates to a synergistic combination of an antioxidant and an antiwear additive that results in improved antioxidancy performance in turbine, hydraulic, and other industrial lubricating compositions. The invention further relates to the processes to make the improved lubricating compositions and methods of their use in industrial fluids.

Lubricating Composition

The present invention relates to a lubricating composition containing a dispersant, a corrosion inhibitor and an antioxidant. The invention further provides a method for lubricating a mechanical device with the lubricating composition.

ALKYLPHENOL DETERGENTS

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and a detergent comprising a polyolefin-substituted hydroxy-aromatic carboxylic acid or salt thereof, wherein the polyolefin is derived from a branched alkene having at least 4 carbon atoms and wherein the polyolefin has a number average molecular weight of 150 to 800. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. The lubricating composition of claim 1 , wherein the detergent is a metal salt.10. The lubricating composition of claim 9 , wherein the metal in the salt comprises calcium.11. The lubricating composition of claim 9 , wherein the metal is overbased.12. The lubricating composition of claim 1 , wherein the detergent is free of C8 and higher unbranched alkyl chains.13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. The lubricating composition of claim 1 , wherein the polyisobutylene has a number average molecular weight of 300 to 400.18. The lubricating composition of claim 1 , wherein the alkylsalicylate is at least 0.01 wt. % of the lubricating composition.19. The lubricating composition of claim 18 , wherein the alkylsalicylate is at least 0.1 wt. %.20. The lubricating composition of claim 18 , wherein the alkylsalicylate is up to 20 wt. of the lubricating composition.21. The lubricating composition of claim 1 , wherein the oil of lubricating viscosity comprises at least one of an API Group I claim 1 , II claim 1 , III claim 1 , IV claim 1 , and V base oil.22. The lubricating composition of claim 1 , wherein the oil of lubricating viscosity is at least 10 wt. % of the lubricating composition.23. The lubricating composition of claim 22 , wherein the oil of lubricating viscosity is at least 30 wt. % of the lubricating composition.24. The lubricating composition of claim 1 , wherein the oil of ...

Composite lubricating material, engine oil, grease, and lubricant

A composite lubricating material include at least a graphite-based carbon material and/or graphene-like graphite exfoliated from the graphite-based carbon material dispersed in a base material. The graphite-based carbon material is characterized by having a rhombohedral graphite layer (3R) and a hexagonal graphite layer (2H), wherein a Rate (3R) of the rhombohedral graphite layer (3R) and the hexagonal graphite layer (2H), based on an X-ray diffraction method, which is defined by following Equation 1 is 31% or more: Rate (3 R )= P 3/( P 3+ P 4)×100   Equation 1 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer (3R) based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2H) based on the X-ray diffraction method.

Lubricating oil composition

The object of this invention is to offer a lubricating oil composition which has superior extreme pressure properties (ability to prevent welding), which generates a small amount of sludge and which also has a high viscosity index. The invention provides a lubricating oil composition to which has been added a copolymer of specified olefins and alkyl methacrylates.

Complex polyester composition, lubricant composition, lubricant, and production method for complex polyester composition

An object of the present invention is to provide a lubricant which has excellent lubrication performance and is able to exhibit excellent lubrication performance even when under extreme pressure conditions. The present invention relates to a complex polyester composition containing polyester obtained by condensing polyhydric alcohol having at least two hydroxyl groups, a dicarboxylic acid having 44 carbon atoms, and monohydric alcohol. Further, the present invention relates to a lubricant composition containing the complex polyester composition, and a lubricant and a production method for a complex polyester composition.

Lubricating Composition Comprising Poly (Isobutylene) /Poly (Vinyl Aromatic) Block Copolymer

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer of a poly(olefin) block, such as poly(isobutylene) (PIB) and a polyvinyl aromatic) block, such as poly(styrene), wherein the copolymer is optionally functionalized or grafted. The invention further provides a method of using the block copolymer to control deposits in a lubricating oil composition.

Composition for low temperature

Lubricant composition comprising a dicarboxylic acid ester component which is formed from a dicarboxylic acid selected from the list consisting of adipic acid, phthalic acid, pimilic acid, suberic acid, azelaic acid and sebacic acid, and mixtures thereof and a branched aliphatic alcohol R—OH which is defined according to the following formula (I) whereas q, r and s are defined as follows, q+r=4 to 9, s=0 to 5, q=1 to 8, and r=1 to 6, and an ethylene-propylene copolymer.

Additive and lubricant for industrial lubrication

Turbine lubricant additives and lubricants including such additives that provide rust prevention and water separation but also pass the demanding stage II wet filterability at the same time.

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.

Production of liquid polyolefins

A method for preparing a liquid polyolefin includes contacting a feedstock comprising at least one olefin monomer with a catalyst system to produce a reactor effluent stream, filtering the reactor effluent stream, washing a created filter cake with a wash fluid comprising at least one hydrocarbon liquid; and recovering the liquid polyolefin. The catalyst system may be any conventional polyolefin catalyst system, and in a preferred embodiment, the catalyst system contains at least one activated metallocene catalyst. The reactor effluent stream comprises at least one liquid polyolefin, residual catalyst, and unreacted olefin monomer.

Lubricant system clean-up compositions and methods thereof

The present invention relates a lubricant and/or clean-out composition comprising: (a) a dispersant component comprising a succinimide dispersant and/or a quaternary ammonium salt dispersant; (b) a carrier fluid component; and (c) an optional corrosion inhibitor, as well as methods of cleaning out deposits in a lubricant system, such as a hydraulic system, using such compositions.

Stabilized blends containing antioxidants

The present invention relates to functional fluid compositions containing antioxidants, and specifically stable compositions containing antioxidants with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and antioxidants containing a phenolic or benzoic group, where the antioxidant is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Lubricating composition

The present invention relates to a lubricating composition comprising a hydrocarbon lubricant base oil in combination with (a) a phenyl-naphthylamine, (b) a thiophosphate, and (c) a diphenyl amine, preferably in combination with (d) an aspartic acid ester. Further, the invention relates to the use of the lubricating composition for lubricating a combination of a gas turbine and a steam turbine.

Nu-oxyalkylated-aminediphenyl-oxo-and amino-compounds

Sulfurized compositions

Sulfurized compositions are prepared by the reaction of unsaturated compounds and a mixture of sulfur and hydrogen sulfide under superatmospheric pressure and in the presence of a catalyst, followed by removal of low boiling materials. They are useful as lubricant additives.

Premium synthetic lubricants

Premium synthetic lubricants comprise a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one, and typically a plurality of lubricant additives such as a detergent, dispersant, antioxidant, antiwear additive, pout point depresant, VI improver and the like. The base stock is derived from a waxy, paraffinic, Fischer-Tropsch synthesized hydrocarbon feed fraction having an initial boiling point in the range of about 650-750° F. and continuously boiling up to at least 1050° F., by a process which comprises hydroisomerizing the feed and dewaxing the isomerate. The waxy feed has a T 90 −T 10 temperature difference of at least 350° F. and is preferably hydroisomerized without any pretreatment, other than optional fractionation. The lubricant may also contain hydrocarbonaceous and synthetic base stock material. Lubricants, such as fully formulated multigrade automotive crankcase and transmission oils formed by adding a suitable additive package to the isoparaffinic base stock have exhibited performance superior to similar fully formulated oils based on both PAO and conventional, petroleum derived base stocks.

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.

Internal olefin

A novel internal olefin or mixture of internal olefins having the formula R--(CH.sub.2).sub.2 --C(R)=CH--C(R)(CH.sub.3)--(CH.sub.2).sub.2 -R, where each R group is an alkyl group having from four to 12 carbon atoms, is prepared substantially free of olefin isomers by the dimerization of a vinylidene compound in the presence of boron trifluoride complexed with a lower alkyl alcohol. The dimer of 2-octyl-1-dodecene is 11,13-dioctyl-13-methyl-11-tricosene. This vinylidene dimer is useful as a high temperature lubricant.

Polymerized olefin synthetic lubricants

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.

E-oxcxs-m

Compounded lubricating oil

Colloidal compositions and derivatives thereof

Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil composition

Provided is a method of producing an α-olefin polymer including a step of polymerizing one or more kinds of α-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an α-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions.

Branched polymers with polyolefin arms

A highly branched polymer in the form of a comb, star, nanogel and structural combinations thereof in which a plurality of polyolefin arms formed of polymers of 1-alkenes are attached to a backbone having repeating units containing aliphatic groups, aromatic groups, heteroatom-containing groups and combinations thereof.

Branched polymers with polyolefin arms

A highly branched polymer in the form of a comb, star, nanogel and structural combinations thereof in which a plurality of polyolefin arms formed of polymers of 1-alkenes are attached to a backbone having repeating units containing aliphatic groups, aromatic groups, heteroatom-containing groups and combinations thereof.

Branched polyolefin polymers as additives in fuel and lubricating oil compositions

A branched polyolefin additive for use in fuel and/or lubricating oil in the form of a comb, star, nanogel and structural combinations thereof in which a plurity of polyolefin arms are attached to a backbone having repeating units containing aliphatic groups, aromatic groups, heteroatom-containing groups and combinations thereof, to provide a branched polymeric additive in which the properties of the additive can be conveniently tailored to a single or multi-functional performance criteria of a fuel and/or lubricating oil composition.

Branched polyolefin polymers as additives in fuel and lubricating oil compositions

A branched polyolefin additive for use in fuel and/or lubricating oil in the form of a comb, star, nanogel and structural combinations thereof in which a plurity of polyolefin arms are attached to a backbone having repeating units containing aliphatic groups, aromatic groups, heteroatom-containing groups and combinations thereof, to provide a branched polymeric additive in which the properties of the additive can be conveniently tailored to a single or multi-functional performance criteria of a fuel and/or lubricating oil composition.

Polyolefin block copolymer viscosity modifier

A viscosity modifier comprising a low molecular weight block copolymer including A blocks and B blocks, wherein the A blocks comprise at least about 93 wt. % polyethylene and the B blocks comprise a copolymer of between about 40 wt. % to 75 wt. % ethylene and at least one other α-olefin; wherein the resulting block copolymer has an average ethylene content of between about 60 wt. % to 80 wt. %.

Композиция смазочного масла

1. Композиция смазочного масла, содержащая (А) от 50 до 90% масс, по меньшей мере одного вида базового масла смазочного масла, выбранного из минеральных масел и синтетических масел, и (В) от 10 до 50% масс, сополимера олефина и алкилметакрилата, имеющего молекулярную массу от 1200 до 50000.2. Композиция смазочного масла по п. 1, в которой базовое масло смазочного масла представляет собой полиальфаолефин или масло GTL (на основе процесса «газ-в-жидкость»).3. Композиция смазочного масла по п. 1, в которой сополимер имеет среднемассовую молекулярную массу, составляющую от 7000 до 20000.4. Композиция смазочного масла по п. 2, в которой сополимер имеет среднемассовую молекулярную массу, составляющую от 7000 до 20000.5. Композиция смазочного масла по любому из пп. 1-4, в которой базовое масло смазочного масла содержит (С) сложный эфир карбоновой кислоты в количестве от 5 до 15% по массе относительно общего количества композиции смазочного масла.6. Композиция смазочного масла по любому из пп. 1-4, в которой кинематическая вязкость при 40°С композиции смазочного масла составляет от 140 до 320 мм/с, индекс вязкости составляет не менее 150, и количество осадка в испытании Dry TOST не превышает 1200 мг/кг.7. Композиция смазочного масла по п. 5, в которой кинематическая вязкость при 40°С композиции смазочного масла составляет от 140 до 320 мм/с, индекс вязкости составляет не менее 150, и количество осадка в испытании Dry TOST не превышает 1200 мг/кг.8. Применение композиции смазочного масла по любому из пп. 1-7 в качестве машинного масла, гидравлического масла, турбинного масла, компрессорного масла, трансмиссионного масла, масла для поверхностей скольжения, подшипникового масла или калибровочного масла.9. Применение композиции смазочного масла по любому из пп. 1-7 в качестве трансми РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2014 153 502 A (51) МПК C10M 145/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014153502, 04. ...

Присадка для улучшения совместимости с уплотнениями для улучшения совместимости смазочных композиций с фторполимерными уплотнениями

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 149 919 A (51) МПК C10M 147/00 (2006.01) C10M 169/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015149919, 22.04.2014 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 22.04.2013 US 61/814,698 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 23.11.2015 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/176260 (30.10.2014) R U (54) ПРИСАДКА ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ С УПЛОТНЕНИЯМИ ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ СМАЗОЧНЫХ КОМПОЗИЦИЙ С ФТОРПОЛИМЕРНЫМИ УПЛОТНЕНИЯМИ (57) Формула изобретения 1. Композиция присадок для смазочной композиции, причем указанная композиция присадок содержит: присадку для улучшения совместимости с уплотнениями, содержащую по меньшей мере один атом йода и характеризующуюся температурой кипения от 150 до 450°С при 1 атмосфере. 2. Композиция присадок по п. 1, в которой указанная присадка для улучшения совместимости с уплотнениями содержит ациклический углеводородный скелет, содержащий по меньшей мере один атом углерода, и причем указанный по меньшей мере один атом йода присоединен к указанному по меньшей мере одному атому углерода в указанном ациклическом углеводородном скелете. 3. Композиция присадок по п. 2, в которой указанная присадка для улучшения совместимости с уплотнениями представляет собой алкилйодидное соединение с общей формулой: где n≥1, и 1≤m≤(2n+2). Стр.: 1 A 2 0 1 5 1 4 9 9 1 9 A Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры" 2 0 1 5 1 4 9 9 1 9 US 2014/035001 (22.04.2014) R U (43) Дата публикации заявки: 26.05.2017 Бюл. № 15 (72) Автор(ы): ДИСЭНТИС Кевин (US), ХОЙ Майкл (US), ЧЕЙЗЕН Дэвид (US), ДЖОНС Стивен (US), ДЖАНГ Эл (US), РЭББЭТ Фил (US) 4. Композиция присадок по п. 3, в которой указанное алкилйодидное соединение содержит йодцодекан. 5. Композиция присадок по п. 1, дополнительно содержащая аминное соединение. 6. Композиция ...

Lubricating oil containing disulfide derivatives of organo-substituted thiophosphoric acids

Lubricants and fuels containing improved acylated nitrogen additives

Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants

Compositions useful as lubricant and fuel dispersants are prepared by reacting an intermediate (A) of the formulae ##STR1## wherein each R is hydrogen or a lower hydrocarbon-based group, Ar is an aromatic moiety having at least one aliphatic substituent of at least 6 carbon atoms and x is 1 to about 10, with an amino compound (B) which contains one or more amino groups having hydrogen bonded directly to an amino nitrogen.

Lubricating oil containing a thiodixanthogen and zinc dialkyldithiophosphate

The addition of a thiodixanthogen and a metal thiophosphate to a lubricating oil results in an unexpected synergistic improvement in the antiwear performance of the oil. Octylthiodixanthogen and zinc dialkyldithiophosphate are most preferred additives.

Process for producing saturated aliphatic hydrocarbon compound, and lubricant composition

The present invention provides a process for producing a saturated aliphatic hydrocarbon prepared using an α-olefin as a raw material and represented by the general formula (1), including the steps of: (I) producing a vinylidene olefin by dimerizing the α-olefin in the presence of a metallocene complex catalyst; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process, a bearing oil consisting of the lubricant composition, and making use of the same, a bearing and gyral equipment. The saturated aliphatic hydrocarbon compounds produced by the process of the present invention have low-temperature fluidity, exhibiting low evaporativity, and excellent in thermal stability and oxidation stability. Thus, the saturated aliphatic hydrocarbon compounds are suitable for use as, for example, a base oil of lubricant composition for hydraulic pressure, turbine, working machine, bearing, gear, metal-working, etc.

含复合酯的润滑剂组合物

润滑剂组合物，其具有由100℃时运动粘度损失所确定的良好剪切稳定性，其包含基础油和合成复合酯，其中所述复合酯40℃时的运动粘度大于400高至50,000mm 2 /s且可通过a)多元醇和一元羧酸和二元羧酸、或b)多元醇和一元醇和二元羧酸、或c)多元醇和一元醇以及一元羧酸和二元羧酸反应得到。此外还建议了所述包含复合酯的润滑剂组合物作为车辆齿轮油、轴用油、工业用齿轮油、压缩机油、涡轮机油或发动机油的应用。

Copolymers of long-chained acrylic esters with sulfur containing acrylates

Lubricating oil composition containing epoxidated ester and aspartic acid derivative

FIELD: chemistry. SUBSTANCE: invention relates to a lubricating oil composition containing base oil with sulphur content not higher than 300 ppm, an aspartic acid derivative and expoxidated ester compound, in which the amount of the aspartic acid derivative and epoxidated ester compound is each equal to 0.01-5 wt % in terms of the entire composition. The invention also relates to use of said lubricating composition as engine oil, turbine oil, compressor oil, hydraulic oil, transmission oil, oil for sliding friction units, bearing oil and calibration oil. The invention also relates to a method of improving lubrication by using the lubricating oil composition. EFFECT: obtaining a lubricating oil composition which can inhibit corrosion and sludge formation, capable of saving a large amount of energy and characterised by high operating efficiency. 10 cl, 7 tbl, 21 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 455 347 (13) C2 (51) МПК C10M 141/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 19.12.2006 JP 2006-341553 (73) Патентообладатель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) (43) Дата публикации заявки: 27.01.2011 Бюл. № 3 2 4 5 5 3 4 7 (45) Опубликовано: 10.07.2012 Бюл. № 19 (56) Список документов, цитированных в отчете о поиске: US 2006/0090393 A1, 04.05.2006. US 5275479 A, 04.01.1994. SU 1154316 A1, 07.05.1985. (85) Дата начала рассмотрения заявки PCT на национальной фазе: 20.07.2009 2 4 5 5 3 4 7 R U (87) Публикация заявки РСТ: WO 2008/074760 (26.06.2008) C 2 C 2 (86) Заявка PCT: EP 2007/064026 (17.12.2007) Адрес для переписки: 103735, Москва, ул. Ильинка, 5/2, ООО "Союзпатент", Е.В.Воробьевой (54) КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА, СОДЕРЖАЩАЯ ЭПОКСИДИРОВАННЫЙ СЛОЖНЫЙ ЭФИР И ПРОИЗВОДНОЕ АСПАРАГИНОВОЙ КИСЛОТЫ (57) Реферат: Настоящее изобретение относится к композиции смазочного масла, содержащей базовое масло с содержанием серы не выше 300 ч./млн, производное аспарагиновой ...

Polyol ester compositions with unconverted hydroxyl groups

A synthetic ester composition which exhibits thermal and oxidative stability, lower friction coefficient and lower wear, wherein the ester composition comprises the reaction product of a branched or linear alcohol having the general formula R(OH)n, wherein R is an aliphatic or cyclo-aliphatic group having from about 2 to 20 carbon atoms and n is at least 2; and at least one branched mono-carboxylic acid which has a carbon number in the range between about C5 to C13; wherein the synthetic ester composition has between about 5-35 % unconverted hydroxyl groups, based on the total amount of hydroxyl groups in the branched or linear alcohol.

润滑剂组合物及其制备方法和应用

由羟烷基或羟芳基化合物同胺化合物经缩和反应，得到性能改进的供润滑剂和燃料组成用的添加剂/分散剂。按照本发明，这种缩和物可从胺同羟基反应物经酸催化缩和制取。

1-辛烯-1-癸烯-1-十二烯三元共聚物和含有其的润滑油组合物

提供使用双桥联茂金属催化剂合成的1-辛烯-1-癸烯-1-十二烯三元共聚物、作为粘度特性、低温特性和氧化稳定性优异的高粘度润滑油有用的α-烯烃共聚物、以及含有该共聚物的润滑油。

Lubricating oil for jet engines

Lubricating oil composition

Lubricant system clean-up compositions and methods thereof

The present invention relates a lubricant and/or clean-out composition comprising: (a) a dispersant component comprising a succinimide dispersant and/or a quaternary ammonium salt dispersant; (b) a carrier fluid component; and (c) an optional corrosion inhibitor, as well as methods of cleaning out deposits in a lubricant system, such as a hydraulic system, using such compositions.

PROCESS FOR PRODUCING α-OLEFIN POLYMER, α-OLEFIN POLYMER, AND LUBRICATING OIL COMPOSITION

A process for producing an α-olefin polymer, which comprises the step of polymerizing one or more C 6-20 α-olefins using a catalyst including a specific transition metal compound. An α-olefin polymer having a viscosity suitable for lubricating oils can be industrially easily produced by the process. Furthermore, by controlling reaction conditions in the process, the properties of the reaction product to be obtained can be varied widely.

Lubricant compounds containing complex esters

Proposed are lubricant compounds with a good shear stability defined by the loss of the kinematic viscosity at 100 °C, containing base oil and a synthetic complex ester, the complex ester having a kinematic viscosity at 40°C of greater than 400 and up to 50,000 mm2/s and being obtained by conversion of a) polyols and monocarbonic acids and dicarbonic acids, or of b) polyols and mono-alcohols and dicarbonic acids, or of c) polyols and mono-alcohols and monocarbonic acids and dicarbonic acids. In addition the use of the said lubricant compounds containing the complex esters as oils for vehicle transmission, axles, industrial drives, compressors, turbines or engines is proposed.

Seal compatibility additive to improve fluoropolymer seal compatibility of lubricant compositions

本发明涉及一种用于润滑剂组合物的添加剂包，其提供了与含氟聚合物密封件改进的相容性。添加剂包包含密封相容性添加剂。本发明还涉及一种润滑剂组合物，其包含基础油和密封相容性添加剂。密封相容性添加剂改进了所形成的润滑剂组合物与含氟聚合物密封件的相容性。

Polymer for viscosity index improvement, phosphate ester-based hydraulic fluid composition comprising the same and a method for stabilizing the viscosity characteristics of the hydraulic fluid

본 발명은 포스페이트 에스테르 항공기 유압 유체에 개선된 점도 조절 및 저온 성능 특성을 제공하도록 특정 중량비로 사용되는, 소정의 알킬 (메트)아크릴레이트 에스테르 단량체로부터 유도된 중합체 조성물에 관한 것이다. 항공기 유압 유체에 점도 지수(viscosity index) 개선용 첨가제로서 사용하기 위한 중합체 조성물은 (C 1 -C 10 )알킬 (메트) 아크릴레이트 40 내지 100중량% 및 (C 11 -C 20 )알킬 (메트)아크릴레이트 단량체 단위 0 내지 60중량%를 함유한다. (C 1 -C 10 )알킬 (메트)아크릴레이트 40 내지 70중량%와 (C 11 -C 15 )알킬 (메트)아크릴레이트 단량체 단위 30 내지 60중량%에 기초한 바람직한 중합체 조성물은 포스페이트 에스테르 유압 유체에서의 우수한 용해도와 저온 및 고온에서 우수한 점도 조절성을 동시에 제공한다. The present invention relates to polymer compositions derived from certain alkyl (meth) acrylate ester monomers, which are used in specific weight ratios to provide improved viscosity control and low temperature performance characteristics for phosphate ester aircraft hydraulic fluids. Polymer compositions for use as additives for improving the viscosity index in aircraft hydraulic fluids include 40 to 100% by weight of (C 1 -C 10 ) alkyl (meth) acrylates and (C 11 -C 20 ) alkyl (meth) It contains 0 to 60% by weight of acrylate monomer units. Preferred polymer compositions based on 40 to 70% by weight of (C 1 -C 10 ) alkyl (meth) acrylate and 30 to 60% by weight of (C 11 -C 15 ) alkyl (meth) acrylate monomer units are selected from phosphate ester hydraulic fluids. It provides excellent solubility and excellent viscosity control at low and high temperatures.

Lubricating oil composition

FIELD: chemistry. SUBSTANCE: lubricating oil composition is provided in the invention, into which a copolymer of certain olefins and alkyl methacrylates is added. The lubricating oil composition comprises (A) 50 to 90 wt % of, at least, one kind of base oil of lubricating oil selected from mineral oils and synthetic oils and (B) 10 to 50 wt % of a copolymer of olefin and alkyl methacrylate having a weight average molecular weight of 1200 to 50,000, the said lubricating oil base oil comprising (C) carboxylic acid ether in an amount of 5 to 15 wt % relative to the total amount of the lubricating oil composition. EFFECT: excellent anti-seize properties, the formation of a small amount of sediment, and a high viscosity index. 7 cl, 2 tbl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C10M 145/14 (2006.01) C10M 169/04 (2006.01) C10N 20/04 (2006.01) C10N 30/02 (2006.01) C10N 30/04 (2006.01) C10N 30/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C10N 40/02 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C10N 40/04 (2006.01) C10N 40/06 (2006.01) C10N 40/08 (2006.01) (12) (13) 2 642 064 C2 C10N 40/30 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 145/14 (2006.01); C10M 169/04 (2006.01) 2014153502, 04.06.2013 (24) Дата начала отсчета срока действия патента: 04.06.2013 (72) Автор(ы): НАГАКАРИ Мицухиро (JP), ОЦУКА Айоно (JP) 24.01.2018 Приоритет(ы): (30) Конвенционный приоритет: (56) Список документов, цитированных в отчете о поиске: ЕР 2395068 А1, 14.12.2011. US 04.06.2012 JP 2012-127557 (43) Дата публикации заявки: 27.07.2016 Бюл. № 21 (45) Опубликовано: 24.01.2018 Бюл. № 3 5972852 A, 26.10.1999. EP 2439258 A1, 11.04.2012. SU 1348347 A1, 30.10.1987. US 2012/ 115763 A1, 10.05.2012. WO 00/55222 A1, 21.09.2000. 2 6 4 2 0 6 4 (73) Патентообладатель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) Дата регистрации: R U (21)(22) Заявка: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 12.01.2015 (86) Заявка PCT: EP 2013/061497 (04.06.2013) R U 2 6 4 2 0 6 4 (87) ...

ADDITIVE FOR IMPROVEMENT OF COMPATIBILITY WITH SEALS OF LUBRICANT COMPOSITIONS WITH FLUOROPOLYMER SEALS

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 149 917 A (51) МПК C10M 171/00 (2006.01) C10M 147/04 (2006.01) C10M 169/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015149917, 22.04.2014 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 22.04.2013 US 61/814,698 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 23.11.2015 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/176269 (30.10.2014) R U (54) ПРИСАДКА ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ С УПЛОТНЕНИЯМИ СМАЗОЧНЫХ КОМПОЗИЦИЙ С ФТОРПОЛИМЕРНЫМИ УПЛОТНЕНИЯМИ (57) Формула изобретения 1. Композиция присадок для смазочной композиции, причем указанная композиция присадок содержит: присадку для улучшения совместимости с уплотнениями, содержащую: по меньшей мере один атом галогена, выбранный из группы, состоящей из фтора, брома, йода и их комбинаций, и ациклический углеводородный скелет, содержащий по меньшей мере один атом углерода, причем указанный по меньшей мере один атом галогена присоединен к указанному по меньшей мере одному атому углерода в указанном ациклическом углеводородном скелете; и аминное соединение. 2. Композиция присадок по п. 1, в которой указанная присадка для улучшения совместимости с уплотнениями содержит алкилгалогенидное соединение с общей формулой: где n≥1, 1≤m≤(2n+2), а X представляет собой указанный атом галогена, выбранный из группы, состоящей из фтора, брома, йода и их комбинаций. 3. Композиция присадок по п. 2, в которой X представляет собой бром. Стр.: 1 A 2 0 1 5 1 4 9 9 1 7 A Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры" 2 0 1 5 1 4 9 9 1 7 US 2014/035016 (22.04.2014) R U (43) Дата публикации заявки: 26.05.2017 Бюл. № 15 (72) Автор(ы): ДИСЭНТИС Кевин (US), ХОЙ Майкл (US), ЧЕЙЗЕН Дэвид (US), ДЖОНС Стивен (US), ДЖАНГ Эл (US), РЭББЭТ Фил (US) 4. Композиция присадок по п. 2, в которой X представляет собой йод. 5. Композиция присадок по п. 1, в ...

Lubricating composition

Process for producing saturated aliphatic hydrocarbon compound, and lubricant composition

A process for producing any of saturated aliphatic hydrocarbon compounds of the general formula: (1), from an α-olefin as a raw material through the steps of (I) dimerizing an α-olefin in the presence of a metallocene complex catalyst to thereby obtain a vinylidene olefin; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process; a bearing oil consisting of the lubricant composition; and making use of the same, a bearing or rotary motion equipment. The saturated aliphatic hydrocarbon compounds produced by the above process have low-temperature fluidity, exhibiting low volatility, and excel in thermal stability and oxidation stability. Thus, the saturated aliphatic hydrocarbon compounds are suitable for use as, for example, a base oil of lubricant composition for hydraulic equipment, turbine, machine tool, bearing, gear, metal machining, etc.

Process for producing saturated aliphatic hydrocarbon compound, and lubricant composition

Process for producing saturated aliphatic hydrocarbon compound, and lubricant composition

The present invention provides a process for producing a saturated aliphatic hydrocarbon prepared using an α-olefin as a raw material and represented by the general formula (1), including the steps of: (I) producing a vinylidene olefin by dimerizing the α-olefin in the presence of a metallocene complex catalyst; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process, a bearing oil consisting of the lubricant composition, and making use of the same, a bearing and gyral equipment. The saturated aliphatic hydrocarbon compounds produced by the process of the present invention have low-temperature fluidity, exhibiting low evaporativity, and excellent in thermal stability and oxidation stability. Thus, the saturated aliphatic hydrocarbon compounds are suitable for use as, for example, a base oil of lubricant composition for hydraulic pressure, turbine, working machine, bearing, gear, metal-working, etc.

Process for producing saturated aliphatic hydrocarbon compound, and lubricant composition

The present invention provides a process for producing a saturated aliphatic hydrocarbon prepared using an α-olefin as a raw material and represented by the general formula (1), including the steps of: (I) producing a vinylidene olefin by dimerizing the α-olefin in the presence of a metallocene complex catalyst; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process, a bearing oil consisting of the lubricant composition, and making use of the same, a bearing and gyral equipment. The saturated aliphatic hydrocarbon compounds produced by the process of the present invention have low-temperature fluidity, exhibiting low evaporativity, and excellent in thermal stability and oxidation stability. Thus, the saturated aliphatic hydrocarbon compounds are suitable for use as, for example, a base oil of lubricant composition for hydraulic pressure, turbine, working machine, bearing, gear, metal-working, etc.

LUBRICANT COMPOSITION AND USE OF THE SAME.

Composicion lubricante y uso de la misma, donde dicha composicion lubricante comprende un aceite base lubricante hidrocarburo en combinacion con (a) unfenil-naftilamina, (b) un tiofosfato, y (c) una difenilamina, preferiblemente en combinacion con(d ) un éster de ácido aspártico. Además, la presente serefiere al uso de dicha composicion lubricante para aplicarla a una combinacion de una turbina de gas y una turbina de vapor. Cuando se la compara con otrascomposiciones lubricantes, lacomposicion lubricante de la presente muestra una tendencia especialmente baja para formar lodo a altas temperaturas. Lubricating composition and use thereof, wherein said lubricating composition comprises a hydrocarbon lubricating base oil in combination with (a) a phenyl-naphthylamine, (b) a thiophosphate, and (c) a diphenylamine, preferably in combination with (d) an ester of aspartic acid. In addition, the present refers to the use of said lubricating composition for application to a combination of a gas turbine and a steam turbine. When compared to other lubricating compounds, the lubricating composition of the present shows an especially low tendency to form mud at high temperatures.

ALCOHOL-ESTER COMPLEXES, LUBRICANT THAT UNDERSTANDS IT AND PROCEDURE TO PRODUCE IT

Un complejo alcohol-éster, un lubricante que lo comprende y un procedimiento para producirlo. El complejo alcohol-éster comprende elproducto de reaccion de una mezcla de adicion que tiene lo siguiente: un compuesto polihidroxilor epresentando por la formula general: R(OH(n, donde Res cualquier grupo hidrocarbilo alifático o ciclo-alifático y n es por lo menos 2, con la condicion de que el grupo hidrocarbilo contenga deaproximadamente 2 a 20 átomos de carbono; unácido o anhídrido polibásico de un ácido polibásico, con la condicion de que la relacion de equivalentes delácido polibásico a equivalentes de alcohol del compuesto polihidroxilo está en el rango de entre aproximadamente 1,6:1 a 2:1; y unalcohol monohí drico conla condicion de que la relacion de equivalentes del alcohol monohídrico a equivalentes del ácido polibásico esté en el rango de entre aproximadamente0,84:1 a 1,2:1; donde el complejo alcohol éster exhiba un punto de escurr imiento de menos de o igual a -20°C, una viscosidad en el rango de entreaproximadamente 100-700 cSt a 40°C y tiene una concentracion de éster de ácido polibásico de menos de o igual a 70% en peso, basada en el complejoalcohol-éster. An alcohol-ester complex, a lubricant comprising it and a process to produce it. The alcohol-ester complex comprises the reaction product of an addition mixture having the following: a polyhydroxyl compound representing by the general formula: R (OH (n, where Res any aliphatic or cycloaliphatic hydrocarbyl group and n is at least 2 , with the proviso that the hydrocarbyl group contains approximately 2 to 20 carbon atoms; a polybasic acid or anhydride of a polybasic acid, with the proviso that the ratio of equivalents of the polybasic acid to alcohol equivalents of the polyhydroxyl compound is in the range of between about 1.6: 1 to 2: 1, and a monohydric alcohol provided that the ratio of equivalents of monohydric alcohol to equivalents of polybasic acid is in the range of between about 0.84: 1 to 1.2: 1; ...

BIODEGRADABLE SYNTHETIC ESTER BASE MATERIAL AND LUBRICANT THAT INCLUDES IT

Material base de éster sintético biodegradable que se prepara a partir de: 60-99% en peso de por lo menos un material base de éster sintéticobiodegradable que comprende el producto de reacción de: un alcohol lineal o ramificado que tiene lafórm ula general: R(OH)n, donde R es un grupo alifáticoo cicloalifático que tiene desde aproximadamente 2 a 20 átomos de carbono y n es por lo menos 2; y por lo menos un oxo ácido ramificado que tiene un númerode carbono en el rango de entreaproximadam ente C5 a C10 con la condición de que dicho oxo ácido ramificado no incluye ácido 2-etilhexanoico; donde elmaterial base de éster exhibe las siguientes propiedades: por lo menos 60% de biodegradación en 28 días medido por el ensayoModificado de Sturm; un puntode fluidez de menos de -25*C, y una viscosidad de menos de 7500 cps a -25*C; aproximadamente 1 a 20% en peso del paquete aditivo lubricante, yaproximadamente 0 a 20% de un solvente. Se describe además un lubricantesintético que se prepara a partir de dicho material base. Biodegradable synthetic ester base material prepared from: 60-99% by weight of at least one biodegradable synthetic ester base material comprising the reaction product of: a linear or branched alcohol having the general formula: R ( OH) n, where R is an aliphatic or cycloaliphatic group having from about 2 to 20 carbon atoms and n is at least 2; and at least one branched oxo acid having a carbon number in the range of from about C5 to C10 with the proviso that said branched oxo acid does not include 2-ethylhexanoic acid; where the ester base material exhibits the following properties: at least 60% biodegradation in 28 days as measured by the Modified Sturm test; a pour point of less than -25 * C, and a viscosity of less than 7500 cps at -25 * C; approximately 1 to 20% by weight of the lubricant additive package, and approximately 0 to 20% of a solvent. A synthetic lubricant is also described which is prepared from said base material.

Synthetic ester composition (variants) and lubricant oil with its application (variants)

FIELD: lubricant materials. SUBSTANCE: composition represents product of interaction of linear or branched alcohol of the general formula R(OH) n , wherein R means aliphatic or cycloaliphatic group comprising from about 2 to 20 carbon atoms and n means at least 2 and at least one linear or branched C 5 -C 10 -acid or mixture with linear C 12 - acid being hydroxyl number of the composition is about above 5 up to 100, preferably, about from 10 to 80. Composition can contain additionally residues of polybasic acid and monohydric alcohol. Preferably, composition contains additionally residues of branched C 4 -C 20 -acid. Lubricant oil comprises at least one ester composition and package of addition agents. Invention provides the enhancement of thermostability and resistance against oxidation, reducing friction coefficient and wear. EFFECT: improved and valuable properties of composition. 43 cl, 12 tbl, 5 dwg, 9 ex ОЗУДЕСсС ПЧ сэ (19) 13) ВО "” 2 217 480 ” С2 ОМК” С 10 М 105/40//С 10 М 30:08 РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 99107559/04, 11.09.1997 (71) Заявитель: ЭКСОН КЕМИКЭЛ ПЕЙТЕНТС ИНК. (ц$) (24) Дата начала действия патента: 11.09.1997 (72) Изобретатель: ПАФФОРД Берни Дж. (ЦЭ), (30) Приоритет: 11.09.1996 Ш$ 08/712,023 ГОДИСИ Патрик Е. (4$), ШЛОСБЕРГ Ричард Х. 6 6 . 2741 (0$), ОЛДРИЧ Хейвен С. (43), КРЕВАЛИС (46) Дата публикации: 27.11.2003 Мартин А. (ЦЗ), КИМ Джинок Т. (03) (56) Ссылки: УР 58-21678 В2, 02.05.1983. ЕР (73) Патентообладатель: 612832 А1, 31.08.1994. ЕР 536814 А1, ЭКСОН КЕМИКЭЛ ПЕЙТЕНТС ИНК. (03) 14.04.1993. 4$ 4175047 А, 20.11.1979. (74) Патентный поверенный: (85) Дата перевода заявки РСТ на национальную Веселицкая Ирина Александровна фазу: 12.04.1999 (86) Заявка РСТ: 0$ 97/16142 (11.09.1997) (87) Публикация РСТ: М/О 98/11179 (19.03.1998) (98) Адрес для переписки: 101000, Москва, М.Златоустинский пер., д.10, кв.15, "ЕВРОМАРКПАТ", пат.пов. И.А.Веселицкой (54) ...

Method for producing lubricating oil composition

Polyol ester compositions with unconverted hydroxyl groups

A synthetic ester composition exhibiting thermal and oxidative stability which comprises the reaction product of: a branched or linear alcohol having the general formula K(OH) n , wherein R is an aliphatic or cyclo-aliphatic group having from about 2 to 20 carbon atoms and n is at least 2; and at least one branched mono-carboxylic acid which has a carbon number in the range between about C 5 to C 13 ; wherein the synthetic ester composition has between 5-35% unconverted hydroxyl groups, based on the total amount of hydroxyl groups in the branched or linear alcohol.

Lubricating oil composition

提供润滑油组合物，其含有：包含聚亚烷基二醇(A1)与多元醇酯(A2)的基础油(A)、磷系防锈剂(B)、和包含胺系抗氧化剂(C1)的抗氧化剂(C)。该润滑油组合物即使针对高温环境下长期使用，淤渣析出的抑制效果也高，抗乳化性和防锈性优异，因此可以适合用于涡轮机械、压缩机、液压机器、和机床。

ANTIOXIDANT COMPOSITIONS

1. Антиоксидантная композиция, содержащая(а) первый антиоксидант со структуройгде n составляет 0-50, а Rи Rнезависимо представляют собой атом водорода, неразветвленную или разветвленную С-Салкильную или алкиленовую группу, необязательно замещенную одним или более заместителями, С-Сциклоалкил, С-Сарил или С-Салкиларил, и(b) второй антиоксидант, включающий диариламин.2. Антиоксидантная композиция по п.1, в которой Rпредставляет собой трет-бутил или стиренил, необязательно замещенный в α-положении.3. Антиоксидантная композиция по п.2, где Rпредставляет собой алкильную или алкиленовую группу с числом атомов углерода пять или менее.4. Антиоксидантная композиция по 3, где Rпредставляет собой метил.5. Антиоксидантная композиция по 3, в которой второй антиоксидант имеет формулу:где Arи Arнезависимо представляют собой ароматические углеводородные группы, а Rи Rнезависимо являются атомом водорода или гидрокарбильными группами с числом атомов углерода от 6 до примерно 100, и а и b независимо составляют от 0 до 3, однако сумма (a+b) не превышает 4.6. Антиоксидантная композиция по п.5, в которой второй антиоксидант включает смесь моно-, ди- и тринонилдифениламина.7. Антиоксидантная композиция по п.5, в которой массовое отношение количества второго антиоксиданта к количеству первого антиоксиданта составляет от 3:1 до 19:1.8. Антиоксидантная композиция по п.1, в которой антиоксидантная композиция представляет собой жидкость при температуре 25°С.9. Антиоксидантная композиция по п. 8, где антиоксидантная композиция обладает кинематической вязкостью менее 40 сСт при температуре 100°С.10. Антиоксидантная композиция по п.1, где антиоксидантная композиция с� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2011 125 979 (13) A (51) МПК C10M 141/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): КЕМТУРА КОРПОРЕЙШН (US) (21)(22) Заявка: 2011125979/04, 15.10.2009 Приоритет(ы): (30) Конвенционный приоритет: 24.11.2008 US 12/277,019 (72) Автор(ы): ...

Low-viscosity oil from oligomers, method of obtaining thereof and thereof-containing composition

FIELD: chemistry.SUBSTANCE: invention relates to method of selective lubricant manufacturing. Lubricant has viscosity 4.0 cSt at 100°C, volatility with weight loss by Noack less than 15%, viscosity index higher than 120, temperature of congelation lower than -50°C and viscosity at -40°C less than 3000 cSt. Method includes (a) reaction of the first alpha-olefin, excluding 1-decene, used for formation of vinylidene olefin, selected from the group consisting of linear 1-olefins Cand their combinations, in presence of the first catalyst, which includes alkylaluminium catalyst, matallocene catalyst, catalyst based on late transition metal with bulky ligands and their combinations with formation of vinylidene olefin; (b) removal of said first olefin that did not react, with said vinylidene olefin having content of vinylidene at least 79%; (c) reaction of said vinylidene olefin with the second alpha-olefin, excluding 1-decene, selected from the group, consisting of linear 1-olefins Cand their combinations, in presence of catalyst BFand promoter system, including mixture of at least one aprotic promoter with at least one protic promoter; (d) removal of residual monomers that did not react and removal of volatile liquids that did not react; (e) hydration of the bottom product with formation of lubricant; (h) separation of said lubricant. Lubricant is obtained without formation of other additional products, which are heavier than 4.0 cSt at 100°C.EFFECT: selective manufacture of low-viscosity lubricant.18 cl, 4 dwg, 19 tbl, 9 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C10M 107/10 C10M 143/08 C10G 50/02 C10N 30/02 C10N 20/04 C10N 20/02 (13) 2 518 082 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2010126538/04, 26.11.2008 (24) Дата начала отсчета срока действия патента: 26.11.2008 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): БАГХЕРИ Вахид ( ...

Alpha-olefin (co)polymer, hydrogenated alpha-olefin (co)polymer and lubricating oil composition containing the same

本发明提供α-链烯烃(共)聚合物及该聚合物的氢化物，以及含有这些聚合物的粘度特性和低温特性优异的高粘度润滑油,所述α-链烯烃(共)聚合物的特征在于：使用茂金属催化剂进行合成，且满足下列(a’)和(b’)。(a’)通过 1 H-NMR测定的聚合末端为2,1插入的比例为全部分子的30%摩尔以上。(b’)通过 13 C-NMR测定的全同立构三单元组分数(mm)为50%摩尔以下。

Polyol ester-based lubricant and process for the production thereof

염소-함유 냉매에 대한 대체물과의 혼화성뿐만 아니라 내가수분해성 및 내열성이 우수한 냉각유로서의 폴리올 에스테르계 윤활제가 제공되며, 이 폴리올에스테르계 윤활제는 기유로서 하기식( I )의 네오펜틸 폴리올 에스테르를 함유한다. A polyol ester-based lubricant is provided as a cooling oil having excellent hydrolysis resistance and heat resistance as well as miscibility with a substitute for a chlorine-containing refrigerant, and this polyol ester-based lubricant is used as a base oil to form neopentyl polyol ester of formula (I) It contains. 단, 상기 식에서 R 1` - R 3 각각은 탄소원자수 1-13인 알킬기이고, R 1 -R 3 의 전체 탄소 원자수는 3 -23이며, n은 2 -4의 정수이다, However, wherein R 1` - each R 3 is an alkyl group of 1-13 carbon atoms, the total number of carbon atoms of R 1 -R 3 is 3 -23, n is an integer from 2-4, 또한 n+m=4이고 n=2일때 R 4 는메틸이며, n=3일때 R 4 는 메틸혹은 에틸이며, 1 분자의 지방산잔기는 서로 같거나 다를 수 있다. In addition, when n + m = 4 and n = 2, R 4 is methyl, when n = 3 R 4 is methyl or ethyl, and the fatty acid residues of one molecule may be the same or different.

LUBRICANT COMPOSITIONS CONTAINING BOROXINS TO IMPROVE COMPATIBILITY WITH FLUOROPOLYMER SEAL

1. Смазывающая композиция, содержащая:базовое масло;содержащее бороксин соединение, описывающееся общей формулой (I):в которой каждый Rнезависимо означает алкильную группу, содержащую от 1 до 7 атомов углерода; истерически затрудненный амин, включенный в количестве, находящемся в диапазоне от 0,5 до 5 мас. % в пересчете на полную массу указанной смазывающей композиции.2. Смазывающая композиция по п. 1 в которой каждый Rнезависимо означает алкильную группу, содержащую от 1 до 5 атомов углерода.3. Смазывающая композиция по п. 1 в которой каждый Rозначает метальную группу.4. Смазывающая композиция по п. 1, в которой указанное содержащее бороксин соединение включено в количестве, находящемся в диапазоне от 0,1 до 5 мас. %, в пересчете на указанную полную массу указанной смазывающей композиции.5. Смазывающая композиция по п. 1, в которой по меньшей мере 50% указанного содержащего бороксин соединения остается непрореагировавшим в указанной смазывающей композиции в пересчете на полную массу указанного содержащего бороксин соединения, применяющегося для получения указанной смазывающей композиции, до протекания какой-либо реакции в указанной смазывающей композиции.6. Смазывающая композиция по п. 1, отличающаяся тем, что она обладает совместимостью с фторполимером, такой, что фторполимерное уплотнение, погруженное в указанную смазывающую композицию, характеризуется изменением прочности на разрыв, составляющим менее 45% по данным тестирования в соответствии со стандартом СЕС L-39-T96; или отличающаяся тем, что она обладает совместимостью с фторполимером, такой, что фторполимерное уплотнение, погруженное в указанную смазывающую композицию, характеризуется изменением РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 117 543 A (51) МПК C10M 155/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015117543, 11.10.2013 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 12.10.2012 US 61/713,103; 12.10.2012 ...

Liquid ashless antioxidant additive for lubricating compositions

Настоящее изобретение относится к смазочной композиции, содержащей по меньшей мере 90 мас.% базового масла и жидкую композицию антиоксиданта, содержащую следующие компоненты, приведенные в массовых % от смазочной композиции: (1) твердый алкилированный фенил-альфа-нафтиламин в количестве 0,01-1,0 мас.%, (2) алкилированное дифениламиновое производное триазола, толутриазола или бензотриазола в количестве 0,01-0,5 мас.%, и (3) метиленбис(ди-н-бутилдитиокарбамат) в количестве 0,01-1,0 мас.%, обладающей улучшенной антиоксидантной защитой. 8 з.п. ф-лы, 5 табл., 1 ил., 5 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 660 335 C1 (51) МПК C10M 141/06 (2006.01) C10M 169/04 (2006.01) C10M 133/10 (2006.01) C10M 133/40 (2006.01) C10N 30/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 141/06 (2006.01); C10M 169/04 (2006.01) (21)(22) Заявка: 2017111026, 14.08.2015 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ВАНДЕРБИЛТ КЕМИКАЛЗ, ЭлЭлСи (US) Дата регистрации: 10.07.2018 2009054284 A1, 26.02.2009. US 6235686 B1, 22.05.2001. US 4880551 A, 14.11.1989. US 2003134753 A1, 17.07.2003. US 6326336 B1, 04.12.2001. RU 2462505 C2, 27.09.2012. 04.09.2014 US 62/045,843 (45) Опубликовано: 10.07.2018 Бюл. № 19 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.04.2017 (86) Заявка PCT: 2 6 6 0 3 3 5 R U (87) Публикация заявки PCT: WO 2016/036493 (10.03.2016) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) ЖИДКАЯ БЕЗЗОЛЬНАЯ АНТИОКСИДАНТНАЯ ДОБАВКА ДЛЯ СМАЗОЧНЫХ КОМПОЗИЦИЙ (57) Реферат: Настоящее изобретение относится к смазочной количестве 0,01-1,0 мас.%, (2) алкилированное композиции, содержащей по меньшей мере 90 дифениламиновое производное триазола, мас.% базового масла и жидкую композицию толутриазола или бензотриазола в количестве антиоксиданта, содержащую следующие 0,01-0,5 мас.%, и (3) метиленбис(ди-нкомпоненты, ...

Seal compatibility additives for improving fluoropolymer seal compatibility of lubricant compositions

Lubricant for gas turbine engines

Lubricating oil composition

润滑油组合物，其包含：矿物油系基础油(A)，其蒸馏曲线中的馏出量2.0体积%与5.0体积%的2点间的蒸馏温度的温度梯度Δ|Dt|为6.8℃/体积%以下；以及，抗氧化剂(B)，其包含胺系抗氧化剂(B1)、酚系抗氧化剂(B2)、和磷系抗氧化剂(B3)；成分(B3)的含量以前述润滑油组合物的总量为基准计为0.06~1.0质量%，通过上述润滑油组合物，提供对在高温环境下长期使用而言也维持优异的氧化稳定性、经长时间对淤渣生成的抑制效果高的长寿命的润滑油组合物。

LUBRICANT COMPOSITION OF HIGH-TEMPERATURE OIL FOR HEAT-TENSED GAS-TURBINE ENGINES OF SUPERSONIC AVIATION

Смазочная композиция высокотемпературного масла для теплонапряженных газотурбинных двигателей сверхзвуковой авиации, включающая базовую основу - авиационный триметилолпропановый эфир на основе смеси сложных эфиров триметилолпропана и жирных монокарбоновых кислот, а также антиокислительную присадку диоктилдифениламин или (бис(4-(1,1,3,3-тетраметибутил)фенил)амин, антиокислительную присадку - алкилированный фенил-альфа-нафтиламин, антикоррозионную присадку в виде смеси маслорастворимого дезактиватора металла Иргамет 39 на основе производного толутриазола и ингибитора коррозии 1,2,3-бензотриазола, трикрезилфосфат в качестве противоизносной присадки при следующем соотношении исходных компонентов, мас.%: ! антиокислительные присадки:   диоктилдифениламин или   (бис(4-(1,1,3,3-тетраметибутил)фенил)амин 1,0-3,0 алкилированный фенил-альфа-нафтиламин 1,0-3,0 антикоррозионная присадка в виде в виде смеси   дезактиватора металла на основе производных   толутриазола Иргамет 39 и 1,2,3-бензотриазола 0,1-0,5 трикрезилфосфат 2,0-5,0 авиационный триметилолпропановый   эфир в качестве базовой основы остальное РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 146 137 (13) A (51) МПК C10M 141/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): Российская Федерация, от имени которой выступает Министерство промышленности и торговли (RU) (21)(22) Заявка: 2010146137/04, 12.11.2010 Приоритет(ы): (22) Дата подачи заявки: 12.11.2010 A 2 0 1 0 1 4 6 1 3 7 R U антиокислительные присадки: диоктилдифениламин или (бис(4-(1,1,3,3-тетраметибутил)фенил)амин 1,0-3,0 алкилированный фенил-альфа-нафтиламин 1,0-3,0 антикоррозионная присадка в виде в виде смеси дезактиватора металла на основе производных толутриазола Иргамет 39 и 1,2,3-бензотриазола 0,1-0,5 трикрезилфосфат 2,0-5,0 авиационный триметилолпропановый эфир в качестве базовой основы Ñòð.: 1 ru остальное A (57) Формула изобретения Смазочная композиция высокотемпературного масла для ...

Premium synthetic lubricants

고급 합성 윤활제는 합성 이소파라핀계 탄화수소 기재 원료 및 효과량의 1종 이상, 전형적으로는 다수의 윤활 첨가제, 예를 들면 세제, 분산제, 산화방지제, 내마모제, 유동점 강하제, VI 개선제 등을 포함한다. 공급물을 하이드로이성질화시키고 이성질화물을 탈왁스시킴을 포함하는 방법에 의해, 약 650 내지 750℉의 초기 비점을 갖고 연속적으로 1050℉ 이상까지 비등하는 왁스성 파라핀계 피셔-트롭쉬 합성된 탄화수소 공급물 분획물로부터 기재 원료를 유도한다. 왁스성 공급물은 350℉ 이상의 T 90 -T 10 온도차를 가지며, 선택적 분별과는 다르게, 바람직하게는 임의의 전처리없이 하이드로이성질화된다. 또한, 윤활제는 탄화수소질의 합성 기재 원료 물질을 함유할 수 있다. 적합한 첨가제 패키지를 이소파라핀 기재 원료에 첨가하여 형성된 완전 배합된 다등급 자동차 크랭크케이스 및 트랜스미션 오일과 같은 윤활제는 PAO 및 통상적인 석유-유도된 기재 원료 둘 다를 기재로 하는 유사한 완전 배합된 오일보다 뛰어난 성능을 나타낸다. Advanced synthetic lubricants include synthetic isoparaffinic hydrocarbon based raw materials and at least one effective amount, typically a number of lubricating additives, such as detergents, dispersants, antioxidants, antiwear agents, pour point depressants, VI improvers, and the like. A waxy paraffinic Fischer-Tropsch synthesized hydrocarbon feed having an initial boiling point of about 650 to 750 ° F. and continuously boiling to at least 1050 ° F. by a method comprising hydroisomerizing the feed and dewaxing the isomer. The base raw material is derived from the water fraction. The waxy feed has a T 90 -T 10 temperature difference of at least 350 ° F. and, unlike selective fractionation, is hydroisomerized, preferably without any pretreatment. The lubricant may also contain a hydrocarbonaceous synthetic base raw material. Lubricants, such as fully formulated multigrade automotive crankcases and transmission oils, formed by adding a suitable additive package to isoparaffin based raw materials, outperform similar fully formulated oils based on both PAO and conventional petroleum-derived based raw materials. Indicates.

Lubricating oil composition

本发明提供一种具有优异的扭矩传递力和变速特性、具有优异的湿式摩擦材料的耐磨耗性，能长时间维持初期扭矩传递功率和变速特性，并适合作为自动变速机和/或无级变速机用油的润滑油组合物。所述润滑油组合物的特征在于包括在润滑油基础油中的(A)由式(1)表示的脂肪酸酰胺化合物，(B)噻二唑，和(C)磷系添加剂，其中：组合物中的硫含量以硫原子换算为0.2质量％以上；组合物中的磷含量以磷原子换算为0.2质量％以下，以硫原子换算的质量％/以磷原子换算的质量％之比为3.0到5.0。(式(1)中，R 1 表示C 10-30 的烷基或烯基；R 2 、R 3 、R 5 和R 6 表示氢或C 1-3 的烷基；R 4 表示C 1-4 的烯基；k为0-6的整数；m为0-2的整数；且n、p和r为0-1的整数。)

Hydrocarbon mixtures exhibiting a unique branched structure

本文提供的是具有受控结构特性的烃混合物，其解决了由更严格的环境和燃料经济法规所驱动的对于最终润滑剂的性能要求。控制烃分子的分支特性以提供具有独特和优异的粘度‑温度相关性和Noack挥发度的组合物。本发明的一个重要方面涉及一种饱和烃混合物，其至少80％的分子具有偶数个碳数，并且分支特性BP/BI≥‑0.6037(内烷基分支)+2.0，其中当通过碳NMR分析时，平均至少0.3‑1.5个内甲基分支位于距离端部碳多于4个碳的位置。具有这样的独特分支结构的饱和烃混合物在冷启动模拟粘度(CCS)相比Noack挥发度相关性中一致地表现出杰出的性能，这允许配制具有改进的燃料经济性的低粘度发动机油。

Grease lubricant

Aviation hydraulic liquid

FIELD: special-destination liquids. SUBSTANCE: liquid contains inflammation-resistant base component - phosphoric acid ester containing 10-90% tri-C4-C5-alkyl phosphate, in which linear or branched alkyl groups are linked to phosphate moiety through primary carbon atoms, from 0 to about 70% dialkylaryl phosphate, in which alkyl radicals are such as defined above. Liquid also includes acid acceptor, antierosion reagent, viscosity index stabilizer, and antioxidant. Viscosity index stabilizer can be represented by polymer based on methacrylic acid ester, antierosion reagent can be perfluoroalkanesulfonic acid salt, and acid acceptor can be 3,4-epoxycyclohexanecaboxylate or diepoxide. Acids can be accepted by di(alkylphenyl)amine, and phenolic antioxidant is constituted by mixture of 2,4,6-trialkylphenol and hindered polyphenol selected from group including bis(3,5-dialkyl-4-hydroxyaryl)methane, 1,3,5-trialkyl- 2,4,6-tris(3,5-di-tert-butyl-4-hydroxyaryl)benzene, and their mixtures. Composition advantageously contains 4,5-dihydroimidazole compound to provide liquid stability. EFFECT: increased thermal, hydrolytic, and oxidation stabilities. 41 cl, 13 dwg, 15 tbl, 13 ex Гб 9Ес ПЧ с» РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (13) ВО 2 167 921” С2 57 МК” С 10 М 169/04//(С 10 М 169/04, 105:74, 129:10, 129:14, 129:18, 129:66, 133:12, 133:46, 135:10), С 10 М 40:08 (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 94046225/04, 01.06.1993 (24) Дата начала действия патента: 01.06.1993 (30) Приоритет: 11.06.1992 Ц$ 897,189 (43) Дата публикации заявки: 27.09.1996 (46) Дата публикации: 27.05.2001 (56) Ссылки: Ч$ 4206067 А, 30.06.1980. 4$ 3679587 А, 25.01.1992. Ц$ 3983046 А, 28.09.1976. $0 1342425 АЗ, 30.09.1987. (85) Дата перевода заявки РСТ на национальную фазу: 09.12.1994 (86) Заявка РСТ: ($ 93/05201 (01.06.1993) (87) Публикация РСТ: М/О 93/25641 (23.12.1993) (98) Адрес для переписки: 129010, Москва, ул. Большая Спасская, 25, стр.3, ООО " ...

Lubricating composition containing an antiwear agent

本发明提供包含抗磨剂和具有润滑粘度的油的润滑组合物。本发明进一步涉及润滑组合物在机械装置如内燃机或传动装置中的用途。

Polyester and use of polyester in lubricants

본 발명은 하나 이상의 C8-C20 게르베 (Guerbet) 알코올, 하나 이상의 지방족 또는 지환족 디카르복실산 및 하나 이상의, ≥ 2 내지 ≤ 6 의 범위 내의 히드록실 관능기를 갖는 폴리올을 포함하는 혼합물을 반응시킴으로써 수득가능한 신규 폴리에스테르 및 윤활유 조성물의 성분으로서의 상기 폴리에스테르의 용도에 관한 것이다. The present invention comprises reacting a mixture comprising at least one C8-C20 Guerbet alcohol, at least one aliphatic or cycloaliphatic dicarboxylic acid and at least one polyol having a hydroxyl functionality in the range ≥ 2 to ≤ 6 by reacting The novel polyesters obtainable and the use of said polyesters as a component of lubricating oil compositions.

Lubricating composition containing an antiwear agent

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Lubricating composition containing a detergent

The invention provides a lubricating composition containing an oil of lubricating viscosity and a detergent. The invention further relates to a process to prepare the detergent, and the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Lubricating composition containing an antiwear agent

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Lubricating composition containing an antiwear agent

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Lubricating composition containing an antiwear agent

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Method of lubricating a driveline device

The invention provides a method of providing antiwear performance to a driveline device, wherein the driveline device includes a manual transmission that may or may not contain a synchronizer system, or an axle, the method comprising supplying to the driveline device a lubricating composition comprising an oil of lubricating viscosity and a product obtained/obtainable by reacting: (i) a hydroxy-containing carboxylic compound, a phosphorylating agent, or reactive equivalents thereof, and optionally an alcohol, wherein the hydroxy-containing carboxylic compound is derived from a partially esterified polyol, or mixtures thereof; and wherein the phosphorylating agent, or reactive equivalents thereof is POC1 3 , P 2 0s, P 4 0i 0 or polyphosphoric acid, and (ii) reacting the product of (i) with a branched secondary or tertiary monoamine, or mixtures thereof; wherein the product is present at 0.01 to 5 wt % or 0.05 wt % to 2 wt %, or 0.1 wt % to 1 wt %, or 0.2 wt % to 0.5 wt % of the lubricating composition.

lubricant

lubricant

Lubricating oil composition for industrial gears and method for producing same

本发明提供具有极优异的温度粘度特性、而且耐热氧化稳定性也优异的工业齿轮油。工业齿轮用润滑油组合物，其含有10～90质量％的润滑油基础油(A)及90～10质量％的使用特定的催化剂而制造的乙烯与α‑烯烃的液态无规共聚物(B)(将(A)、(B)的总量作为100质量％。),所述润滑油基础油(A)的100℃时的运动粘度为1～100mm 2 /s、粘度指数为100以上、倾点为0℃以下，所述工业齿轮用润滑油组合物的40℃时的运动粘度为100～10,000mm 2 /s。

ADDITIVE FOR IMPROVEMENT OF COMPATIBILITY WITH SEALS FOR IMPROVEMENT OF COMPATIBILITY OF LUBRICANT COMPOSITIONS WITH FLUOR POLYMER SEALS

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 149 918 A (51) МПК C10M 147/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015149918, 22.04.2014 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 22.04.2013 US 61/814,698 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 23.11.2015 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/176254 (30.10.2014) R U (54) ПРИСАДКА ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ С УПЛОТНЕНИЯМИ ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ СМАЗОЧНЫХ КОМПОЗИЦИЙ С ФТОРПОЛИМЕРНЫМИ УПЛОТНЕНИЯМИ (57) Формула изобретения 1. Композиция присадок для смазочной композиции, которая обеспечивает улучшенную совместимость с фторполимерными уплотнениями, причем указанная композиция присадок содержит: присадку для улучшения совместимости с уплотнениями, содержащую по меньшей мере один атом галогена, выбранный из группы, состоящей из фтора, брома, йода и их комбинаций, и ациклический углеводородный скелет, содержащий по меньшей мере один атом углерода, причем указанный по меньшей мере один атом галогена присоединен к указанному по меньшей мере одному атому углерода в указанном ациклическом углеводородном скелете; и противоизносное средство, содержащее фосфор. 2. Композиция присадок по п. 1, дополнительно содержащая аминное соединение. 3. Композиция присадок по п. 1, в которой указанная присадка для улучшения совместимости с уплотнениями содержит алкилгалогенидное соединение с общей формулой: Стр.: 1 A 2 0 1 5 1 4 9 9 1 8 A Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры" 2 0 1 5 1 4 9 9 1 8 US 2014/034983 (22.04.2014) R U (43) Дата публикации заявки: 26.05.2017 Бюл. № 15 (72) Автор(ы): ДИСЭНТИС Кевин (US), ХОЙ Майкл (US), ЧЕЙЗЕН Дэвид (US), ДЖОНС Стивен (US), ДЖАНГ Эл (US), РЭББЭТ Фил (US) где n≥1, 1≤m≤(2n+2), а X представляет собой указанный атом галогена, выбранный из группы, состоящей из фтора, брома, йода и их комбинаций. 4. ...

Lubricating composition containing a detergent

The invention provides a lubricating composition containing an oil of lubricating viscosity and a detergent. The invention further relates to a process to prepare the detergent, and the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Premium synthetic lubricants

고급 합성 윤활제는 합성 이소파라핀계 탄화수소 기재 원료 및 효과량의 하나 이상, 전형적으로는 다수의 윤활 첨가제, 예를 들면 세제, 분산제, 산화방지제, 내마모제, 유동점 강하제, VI 개선제 등을 포함한다. 공급물을 하이드로이성질화시키고 이성질화물을 탈왁스시킴을 포함하는 방법에 의해, 약 650 내지 750℉의 초기 비점을 갖고 연속적으로 1050℉ 이상까지 비등하는 왁스성 파라핀계 피셔-트롭쉬 합성된 탄화수소 공급물 분획으로부터 기재 원료를 유도한다. 왁스성 공급물은 350℉ 이상의 T 90 -T 10 온도차를 가지며, 선택 분별과는 다르게 바람직하게는 임의의 전처리없이 하이드로이성질화된다. 또한, 윤활제는 탄화수소질의 합성 기재 원료 물질을 함유할 수 있다. 적합한 첨가제 패키지를 이소파라핀 기재 원료에 첨가하여 형성된 완전 배합된 다등급 자동차 크랭크실 및 트랜스미션 오일과 같은 윤활제는 PAO 및 통상적인 석유-유도된 기재 원료 둘 다를 기재로 하는 유사한 완전 배합된 오일보다 뛰어난 성능을 나타낸다.

Reduction of electrochemical surface degradation caused by liquid flow using redox couples

Изобретение относится к способу снижения скорости вызываемого поверхностным током разрушения компонентов гидравлической системы, подвергаемых воздействию гидравлической жидкости на основе эфиров фосфорной кислоты. Способ включает добавление к гидравлической жидкости окислительно-восстановительной пары, где окислительно-восстановительная пара включает сэндвичевое соединение формулы: М(A r ) 2 +/0 , при этом М представляет собой переходный металл и A r представляет собой арильное соединение. Также изобретение относится к гидравлической системе, гидравлической жидкости и добавке к гидравлической жидкости, использующим используемый выше состав. Используемые добавки позволяют снизить поверхностные токи, вызванные электрокинетическими процессами, связанными с рабочим давлением внутри современных гидравлических систем. 4 н. и 10 з.п. ф-лы, 2 ил., 2 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 661 870 C2 (51) МПК C09K 15/32 (2006.01) C10M 169/04 (2006.01) C10M 105/74 (2006.01) C10M 139/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C09K 15/32 (2018.02); C10M 169/04 (2018.02); C10M 105/74 (2018.02); C10M 139/06 (2018.02) (21)(22) Заявка: 2014127754, 08.07.2014 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Зе Боинг Компани (US) Дата регистрации: 20.07.2018 (56) Список документов, цитированных в отчете о поиске: US 2008/0206874 A1, 28.08.2008. US 6254799 A1, 03.07.2001. RU 2476586 C2, 27.02.2013.. 23.07.2013 US 13/948,413 (43) Дата публикации заявки: 10.02.2016 Бюл. № 4 (45) Опубликовано: 20.07.2018 Бюл. № 20 (54) СНИЖЕНИЕ ЭЛЕКТРОХИМИЧЕСКОГО РАЗРУШЕНИЯ ПОВЕРХНОСТИ, ВЫЗЫВАЕМОГО ЖИДКОСТНЫМ ПОТОКОМ, С ПОМОЩЬЮ ОКИСЛИТЕЛЬНО-ВОССТАНОВИТЕЛЬНЫХ ПАР (57) Реферат: Изобретение относится к способу снижения этом М представляет собой переходный металл скорости вызываемого поверхностным током и Ar представляет собой арильное соединение. разрушения компонентов гидравлической Также изобретение ...

Lubricant composition containing antioxidant

Method for producing lubricating oil composition and method for selecting fluidity improver for lubricating oil composition

Phosphorus-containing compounds and their use

Stabilized lubricant compositions

본 발명에는 윤활유와, (a) 하나 이상의 유기 포스파이트 화합물 및 (b) 하나 이상의 방향족 이차 아민 또는 하나의 치환된 페놀 또는 그것들의 혼합물의 혼합물을 포함하는 안정화된 윤활제 조성물이 개시된다. 본 발명의 조성물은 어려운 작업 조건하에서 산화에 대한 내성이 매우 크며 터빈 윤활제로서 유용한 것으로 밝혀졌다. The present invention discloses a stabilized lubricant composition comprising a mixture of lubricating oil and (a) one or more organic phosphite compounds and (b) one or more aromatic secondary amines or one substituted phenol or mixtures thereof. The compositions of the present invention have been found to be very resistant to oxidation under difficult operating conditions and useful as turbine lubricants. 윤활유, 윤활제 조성물, 터빈 윤활제, 산화 안정성, 유기 포스파이트, 방향족 아민, 항산화제. Lubricants, lubricant compositions, turbine lubricants, oxidative stability, organic phosphites, aromatic amines, antioxidants.