СПОСОБ ПОЛУЧЕНИЯ ФЕНИЛАЛКАНОВ И СМАЗКА НА ИХ ОСНОВЕ

Применение: нефтехимия. Сущность: проводят изомеризацию парафинов, последующее дегидрирование изомеризованных парафинов и алкилирование фенилпроизводного слаборазветвленным олефином. Эффлюент из зоны алкилирования содержит парафины, которые рециркулируют на стадию изомеризации или стадию дегидрирования. Полученные фенилалканы могут применяться в качестве смазки. 2 с. и 7 з.п. ф-лы, 4 табл., 1 ил.

ХОЛОДИЛЬНАЯ СМАЗОЧНАЯ КОМПОЗИЦИЯ, ХОЛОДИЛЬНАЯ СИСТЕМА, СРЕДСТВО И СПОСОБ ИНГИБИРОВАНИЯ ОСАЖДЕНИЯ ИЛИ УДАЛЕНИЯ НЕЖЕЛАТЕЛЬНЫХ ОСАДКОВ

Использование: в холодильных системах. Сущность: смазочная композиция включает синтетическое смазочное вещество, содержащее сложный эфир полиола и/или полиалкиленгликоль и амфифильный препятствующий отложению осадка компонент, выбранный из диалкилсульфосукцината и его соли, фторалифатического полимерного сложного эфира, ароматической сульфоновой кислоты и ее соли, гребневого привитого сополимера метилметакрилата, метакриловой кислоты и метоксиполиэтиленоксида и раствора акрилового привитого сополимера в сочетании с хладагентом, включающим фторуглеводород. Предпочтительно амфифильный компонент содержится в количестве 0,001-5 мас.%. Холодильная система включает компрессор, конденсатор, компенсатор и испаритель, образующие замкнутую систему, в которой циркулирует фторуглеводородный охладитель, причем система содержит вышеописанную холодильную смазочную композицию. Описывается также способ и средство ингибирования осаждения либо удаления нежелательных осадков в холодильной системе с использованием ...

ВОДНАЯ КОМПОЗИЦИЯ ДЛЯ НАНЕСЕНИЙ НА ТВЕРДУЮ ПОВЕРХНОСТЬ С УВЕЛИЧЕННОЙ СТАБИЛЬНОСТЬЮ

Данное изобретение относится к водной композиции с увеличенной стабильностью для нанесений на металлическую поверхность, включающей, по меньшей мере, одно липофильное соединение и, по меньшей мере, один сополимер, отличающейся тем, что, по меньшей мере, один сополимер представляет собой гребенчатый разветвленный сополимер, проявляющий чередующуюся последовательность мономерных звеньев (a), имеющих, по меньшей мере, одну гидрофильную группу, и мономерных звеньев (b), имеющих, по меньшей мере, одну липофильную боковую цепь, где, по меньшей мере, одна гидрофильная группа мономерных звеньев (a) представляет собой, по меньшей мере, одну карбоксилатную группу, и где мономерные звенья (b) имеют одну липофильную боковую цепь, которая является линейной углеводородной цепью с 4-20 атомами углерода. Кроме этого рассмотрен способ получения указанной композиции, а также применение для обработки металлических поверхностей, предпочтительно в качестве смазочно-охлаждающей жидкости, в качестве смазочного ...

СМЕСИ НА ОСНОВЕ НЕФТЯНОГО СУЛЬФОНАТА НАТРИЯ В КАЧЕСТВЕ ЭМУЛЬГАТОРОВ НЕФТЯНЫХ МАСЕЛ

Эмульгирующая композиция, подходящая для смешивания с маслом с целью получения смазочных материалов, содержит смесь, включающую: А) продукт совместного сульфирования смеси: i) нефтяного масла, ii) диалкилбензола с неразветвленной цепью и, возможно, iii) моноалкилбензола с неразветвленной цепью, а также В) маслорастворимый синтетический сульфонат разветвленного моноалкилбензола с молекулярной массой порядка 520. Смазочно-охлаждающая композиция содержит нефтяное масло и указанную эмульгирующую композицию. Технический результат - стабилизация эмульгирующих свойств, улучшение антикоррозионных свойств. 2 н. и 16 з.п. ф-лы, 6 табл.

ХОЛОДИЛЬНАЯ УСТАНОВКА

Изобретение относится к холодильной установке, содержащей в одном как минимум цикле охлаждения одно как минимум холодильное машинное масло, включающее базовое масло, и один как минимум хладагент, при этом холодильная установка в качестве одного из базовых масел содержит масло сложного эфира полиола, а в качестве хладагента содержит системный хладагент гидрофторуглерод, имеющий чистоту, превышающую 99,95 вес. %, а количество хлоросодержащего системного хладагента в смешивании с хладагентом составляет менее 80 ч. на 1 млн. Техническим результатном изобретения является создание эффективно работающей холодильной установки. 1 с. и 16 з.п. ф-лы, 6 ил., 4 табл.

ВОДНАЯ КОМПОЗИЦИЯ ДЛЯ НАНЕСЕНИЙ НА ТВЕРДУЮ ПОВЕРХНОСТЬ С УВЕЛИЧЕННОЙ СТАБИЛЬНОСТЬЮ

Способ получения высокощелочных сульфонатных присадок к маслам

Смазочное масло

Смазочная композиция

Топливная композиция

Гидравлическая жидкость

Schwefelung von ungesättigten Alkoholen

VERFAHREN ZUR HERSTELLUNG VON SYNTHETISCHEN KOHLENWASSERSTOFF-SCHMIERMITTELN

Schmierzusammensetzung für fluorierte Kühlmittel

Schmieroel fuer Verbrennungskraftmaschinen

SCHMIEROELGEMISCH.

Stossdämpferflüssigkeit

TRIS-(POLYALKOXYALKYLATED) ISOCYANURATE COMPOUNDS AND THEIR USE AS FUNCTIONAL FLUIDS

Prepn. of high-vacuum oils - by alkylating aromatic(s) with alkyl chlorite(s) in the presence of aluminium chloride

Prodn. of a high-vacuum oil (I) is effected by (a) alkylating an aromatic hydrocarbon (II) with one or more 8-12C normal sec. alkylchlorides (III) in the presence of 2-15 mol.% AlCl3 (based on (III)) at 20-100 deg.C until evolution of HCl ceases, (b)sepg. catalyst from alkylate, and (c) distilling the alkylate under vacuum to recover the fraction boiling at 220-250 deg.C/0.2-0.3 mm Hg as (I). (II) may comprise a condensed and/or non-condensed aromatic hydrocarbon. The (III):(II) mol. ratio is 2.5-5:1. (I) is used as a working medium in vacuum diffusion pumps, providing a vacuum of 3 x 10 power (-8) mm Hg in unbaked systems without N2 traps and 2-5x10 power (-9) mm Hg in baked systems without N2 traps. It has a low congealing temp. a low proper vapour tension (of the order of 10 power (-10) mm Hg) and relatively high flowability at room temp. The starting materials are relatively inexpensive.

LUBRICATING COMPOSITION

Verfahren zur Herstellung von Schmiermitteln

Verfahren zur Herstellung bestaendiger Dispersionen von Phthalsaeuren in Schmieroelen

SCHMIERMITTEL

Fluoro-hydrocarbon-based operating fluid composition for refrigerators

A fluorohydrocarbon-based operating fluid for refrigerators with alkyl-benzene, mineral oil and/or poly- alpha -olefin as lubricant contains polyorganosiloxane, organic phosphate and/or organic phosphite as additive(s). An operating material for refrigerators contains: (A) refrigerant(s) consisting of one or more fluorohydrocarbons; (B) lubricant(s) comprising (B1) alkylbenzene(s) with 1-20C linear or branched alkyl groups, (B2) mineral oil(s) and/or (B3) poly- alpha -olefin(s); and (C) additive(s) comprising (C1) polyorganosiloxane(s) with 1-30C organic groups, in amounts of 0.1-250 mg per 1 kg component (B) and/or (C2) organic phosphate(s) of formula (I) and/or (C3) organic phosphite(s) of formula (II), in amounts of 0.01-10 wt.% (C2) and/or (C3) based on the total weight of (B). R<1>-R<3> = 1-20C alkyl, aryl and/or aralkyl.

Transformatoren- und Schalteroele

SYNTHETISCHE SCHMIEROELE

VERFAHREN ZUR HERSTELLUNG VON HOCHBASISCHEN BARIUMSALZEN VON SULFURIERTEN ALKYLPHENOLEN

SCHMIERMITTEL UND DESSEN VERWENDUNG

A process for producing lubricating oils, insulating oils and similar viscous oils

The oxidation stability of viscous synthetic hydrocarbon oils for use, e.g. as lubricants or insulating oils, is increased by adding thereto extracts obtained from natural hydrocarbon oils boiling above about 300 DEG C., or fractions thereof, by the use of selective solvents, which extracts have been refined by selective hydrogenation. The synthetic hydrocarbons are products obtained from unsaturated or aromatic hydrocarbons by polymerization or condensation, e.g. by the polymerization of vapour phase cracked products of paraffin wax or paraffinous materials, or by the condensation of olefines or chloroparaffins with aromatic hydrocarbons. The polymerization or condensation may be effected either chemically in the presence of aluminium chloride, boron p fluoride or a similar agent, or by voltolization. The extracts are obtained, preferably from a heavy mineral oil fraction, by selective solvents for constituents other than paraffins, such as liquid sulphur dioxide, nitrobenzene furfurol ...

SILICONE FLUIDS USEFUL AS HYDRAULIC FLUIDS

... 1435161 Hydraulic fluid GENERAL ELECTRIC CO 30 March 1973 [24 May 1972] 15556/73 Heading C5F [Also in Division C3] An hydraulic fluid comprises (a) 1-80% of the total weight, of a polysiloxane having 75- 95 mol per cent of units R 2 Si(OM)O 0À5 and/or R 2 SiO, 5-25 mol per cent of units RSi(OM) 2 O 0À5 , RSi(OM)O and/or RSiO 1À5 and optionally trace amounts of units (MO) 3 SiO 0À5 , (MO) 2 SiO, MOSiO 1À5 and/or SiO 2 and up to 5 mol per cent of units R 3 SiO 0À5 , the MO groups being at least 5 mol per cent of the total of R plus MO groups, the viscosity being 2-400 cS/25‹ C., and R being a C 1-8 hydrocarbyl halohydrocarbyl or cyanoalkyl radical, and each M being a radical R-, ROR1-, ROR1OR1-, (RO) 2 R11-, R-NH-R1, or R(OC x H 2x ) n - where R1 is a divalent and R11 a trivalent C 1-10 saturated aliphatic or aromatic radical, x is 2, 3 or 4, and n is at least 5, (b) 20-99 wt. per cent of the total of a liquid linear polysiloxane ...

Aerogels and grease compositions made therefrom

A lubricating grease composition comprises a major proportion of an organic liquid possessing lubricating properties and a minor proportion of a non-collapsed soap aerogel. The organic liquid possessing lubricating properties may be mineral lubricating oil, a synthetic hydrocarbon, an organic ester, an organic polymer or a fluorinated hydrocarbon, and a list of suitable liquids is given. The soaps from which the non-collapsed soap aerogels can be made may be metal or organic base salts of fatty materials and mixtures thereof. Saponifiable materials which may be used to form soaps are fats and oils of animal, vegetable, marine or fish origin, fatty acids derived from such fats and oils, the hydrogenated or sulphurized products of such fatty acids, and the substitution derivatives of such fatty acids for example the mercapto amino or halogen substituted fatty acids. Saponifiable materials from other sources such as napthenic acids, tall oil fatty acids, rosin acids and acids produced by the ...

LUBRICANT

... 1413155 Lubricants SUMITOMO CHEMICAL CO Ltd 4 Dec 1972 [2 Dec 1971] 55946/72 Heading C5F A lubricant comprises a lubricating oil and a copolymer containing wholly or in part 25-75 mole per cent of propylene and/or isobutylene units and 75-25 mole per cent of an ester having the formula wherein R1 is halogen or hydrogen atom, or hydrocarbyl or a halohydrocarbyl group having 1-20 carbon atoms and R2 is a hydrocarbyl or halohydrocarbyl group having from 1-20 carbon atoms. The copolymer may be an alternating copolymer. It may also contain up to 30 mole per cent of units derived from at least one other ethylenically unsaturated monomer having not more than 30 carbon atoms . These other monomers may be vinyl compounds containing nitrogen and/or ethereal oxygen such as acrylic esters containing these nitrogens and oxygens. heterocyclic vinyl compounds, unsaturated ethers, haloolefins, diolefins, unsaturated carboxylic acids, unsaturated esters, acrylonitrile, acrylic acid or ...

Unsymmetrical dialkylbenzene mixtures

... 1,146,935. Dialkyl benzene sulphonic acid salts. CHEVRON RESEARCH CO. 25 Aug., 1967 [16 Sept., 1966], No. 39318/67. Heading C2C. [Also in Division C5] Alkaline earth metal salts of a mixture of benzene sulphonic acids are obtained by sulphonation of a dialkyl benzene mixture of average MW 300-500 wherein the alkyl substituents of said mixture each contain 4 to 21 carbon atoms, each dialkyl benzene has one straight chain and one branch chain alkyl substituent, the latter having on average at least one branch for every two carbon atoms along the chain, and the average carbon content of the straight and branched alkyl groups differ by at least 4. Dialkyl benzene mixtures may be sulphonated with 25% oleum at about 100‹ F., neutralized with a NaOH-butanol mixture and converted to the basic calcium sulphonate by reaction with conc. CaCl 2 -brine solution. In Examples 4 and 5, basic calcium sulphonates were prepared from a C 4 -C 9 branched chain, C 17 -C 21 straight chain dialkyl benzene and ...

Functional Fluid Compositions

... 1,198,321. Functional fluids. MONSANTO CO. 16 May, 1967 [16 May, 1966], No. 22750/67. Heading C5F. Functional fluids comprise (A) as a base stock an organic ester, thioester or amide of phosphorus, an orthosilicate, a polysilicone, an aromatic ether, a mono- or dialkylthiophene or a mixture thereof, each of a given formula and (B) at most 15 vol. per cent of a simple monoester or a mixture thereof with a diester, triester, polyester or complex ester. Exhaustive lists of all ingredients are given. Conventional additives, e.g. polyolefins, polyalkylene oxides, polyphenyls, alkyl benzenes and halogenated aromatic hydrocarbons and ethers (examples given) may also be present.

ACYLATION OF NITROGEN-CONTAINING PRODUCTS

... 1282887 Polyolefin derivatives LUBRIZOL CORP 16 June 1969 [3 July 1968] 30409/69 Heading C3P [Also in Divisions C4-C5] Polyolefin derivatives suitable as dispersants for lubricating and fuel oils may be prepared by reacting (I) polyolefin substituted mono- or polycarboxylic acylating agents with (II) not more than one mole per equivalent of I of where R is an organic radical of valence n + 1 or, where n is 1, may be a direct linkage, and n is 1 to 3; X1 and X11 are independently O= or R 1 N=; when X1 is O = then Y is or where m is 0 or 1 to 8; when X1 is R 1 N= then R 1 is -(R11-NR1)m-R11-NR1R1 and Y is -NR1-(R11-NR1) m -R11-NR1R1 or R 1 and Y together form where q is 0 or 1 to 8; when X11 is O = then Z is O-M+, halo, alkoxy or Y as defined when X1 is O = and M+ is the cation of an amine; when X11 R 1 N = then ...

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 lubricating oil additives

The invention relates to polymers or copolymers of an ester of cinnamic or substituted cinnamic acid of which the esterifying radical has from 8 to 22, preferably 10 to 20, carbon atoms, with or without a copolymerizable lower aliphatic ester having an ethylenic double bond and having from 1 to 4 carbon atoms in its esterifying radical, the said polymers or copolymers having Staudinger molecular weights between 1000 and 40,000, preferably between 5000 and 25,000. The cinnamic or substituted cinnamic ester may be cetyl or octadecyl cinnamate, or may be derived from hydrogenated coconut oil alcohols or from an oxo-alcohol of the reaction product obtained when an olefin is subjected to the action of carbon monoxide and hydrogen in the presence of a catalyst. The ester having the ethylenic double bond may be vinyl acetate, methyl acrylate or methyl methacrylate. The polymers may be prepared by heating the monomer or monomers to a temperature between 25 DEG and 150 DEG C., preferably between ...

LUBRICANT FOR A CONTROLLED-SLIP DIFFERENTIAL

... 1390755 Lubricants SUN OIL CO OF PENNSYLVANIA 18 Feb 1972 [19 Feb 1971 (2) 17 Jan 1972] 11323/74 Divided out of 1390051 Headings C5E and C5F A lubricant composition for a controlled-slip differential gear comprises (1) a surface active phosphate ester of a linear aliphatic ethoxylated alcohol and (2) a hydrocarbon base stock having a pnuematic viscosity at 210‹ F. of 1À5-200 cs. and containing a major amount of a blend of at least one C 13 -C 29 naphthene, and 0À1-20 wt. per cent of at least one of (a) a synthetic C 3 - C 8 polyolefin; (b) wholly or partially hydrogenated (a); (c) a hydrorefined naphthenic or paraffinic lube oil containing less than 1% of gel aromatic hydrocarbons. The amount of blend present in the base stock is sufficient to provide a greater coefficient of traction, measured at 600 ft./ min., 200‹ F. and 400,000 p.s.i., than would be provided by substitution of the same amount of ASTM Oil No. 3 for the blend. The lubricant may also contain a sulphurized blend of lard ...

MIST OIL LUBRICATION SYSTEM

... 1422204 Mist oil lubricants CHEVRON RESEARCH CO 19 July 1973 [19 July 1972] 34548/73 Heading C5F A lubricating oil composition used in a mist oil lubricating system, comprises 0À001-2 wt. per cent of an oil-soluble copolymer of ethylene and another monomeric olefin having a viscosity average molecular weight of at least 5000. In examples the ability of ethylene-propylene copolymers to suppress stray mist is compared to that of polyisobutylene, polypropylene and polyalkylmethacrylates. The base oil can be a mineral oil, e.g. a 500 SUS (at 100‹ F.) neutral oil or a blend thereof with a 4000 SUS bright stock, or a synthetic oil such as alkyl, aryl or alkaryl phosphate esters, alkyl benzenes, polyoxyalkylene esters or glycols, ortho silicates and siloxanes. The compositions can also contain other additives such as zinc dialkyldithiophosphates and polyalkylmethacrylates.

SYNTHETIC LUBRICATING OILS

A sysnthetic lubricating oil comprising at least one monosubstituted naphthalene derivative such as beta -t.-amylinaphthalene, beta -(1,1-dimethyldecyl) naphthalene or beta -( alpha , alpha -dimethylbenzyl) naphthalene.

Process and apparatus for carrying out chemical reactions

... 1,191,220. Gas/liquid fluidised bed catalytic reactor. SHELL INTERNATIONALE RESEARCH MAATSGHAPPIJ N.V. 5 July, 1968, No. 32239/68. Heading B1F. [Also in Division C5] In a gas/liquid fluidised bed catalytic reactor, Fig. 1, oil to be desulphurised from heat exchanger 4 and furnace 7 is introduced at 8 and passes up through reactor 9 together with hydrogen gas from 11 through perforated gas distributors 10, 17 and 24 and fluidised catalyst beds 14, 19 and 27 supported on grids 12 covered with a wire mesh screen and ceramic balls 13, 20 and 26. Hydrogen is introduced via 21 and 20. Cooling quench oil is introduced at 16 and 21. Desulphurised product leaves at 36 and hydrogen is recycled via 11. The gas distributors 10, 17 and 24 comprise an upper horizontal perforated plate, a lower horizontal plate and chimneys passing through the distributors.

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 ...

Flushing Composition

Improvements in or relating to metal working lubricating compositions

A composition suitable as a metal-working lubricant comprises an oil-in-water emulsion having incorporated therein a homopolymer of a vinyl halide or a vinylidene halide, a copolymer of a vinyl halide with a vinylidene halide or a copolymer of one or both of these halides with a polymerizable unsaturated organic compound in which the molar proportion of the halides is at least 50 per cent or these polymers further treated by halogenation, sulphurization and/or phosphorization and optionally emulsifiers, stabilizers, extreme pressure agents, anti-oxidants, anti-corrosives, detergents, anti-foaming agents and/or preservatives. Specified polymers are polyvinyl chloride, polyvinyl fluoride, polyvinylidene chloride, copolymers of vinyl chloride with allyl chloride, chlorostyrene, allyl amine, vinylidene chloride, acrylonitrile, methyl methacrylate, isobutylene, maleic acid, vinyl acetate, vinyl benzoate, diallyl ether, vinyl pyridine or vinyl pyrrole, further halogenated polyvinyl chloride, ...

Organo molybdenum friction-reducing antiwear additives

A hydrocarbon-soluble molybdenum complex of a hydrocarbon substituted thio-bis-phenol, e.g. the reaction product of 1-2 moles of nonyl phenol sulfides and one mole of molybdenum oxide (reacted if desired in the presence of an amine promoter), in combination with a sulfur donor provides lubricity activity to lubricating oils and other hydrocarbons including fuels.

Radiation-resistant lubricants and their use

Radiation-resistant lubricating oils are obtained by alkylating a terphenyl with a C1-C20 straight chain olefin or primary or secondary alkyl halide. The reactants are preferably chosen to give a product having a kinematic viscosity of 3-300 centistokes at 140 DEG F. Greases are obtained by thickening the oil with sodium terephthalamate, finely dispersed silica, clay or an aryl-substituted urea.ALSO:Terphenyls are alkylated with a C1-C20 straight chain olefin or a primary or secondary alkyl halide to form lubricants. The mol ratio of alkylating agent to aromatic may be 1-5 : 1 and the reaction is effected in the presence of aluminium chloride or boron fluoride in a non-aromatic hydrocarbon solvent. The orthoand meta-terphenyls are preferred to the para isomer.

ELECTRIC DEVICE COMPRISING ELECTRICAL INSULATING MATERIAL

COMPOSITION FOR MECHANICAL POWER TRANSMISSION AND OPERATING TRACTION DRIVES

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 ...

Process for producing high-vacuum oils

Aromatic hydrocarbons (such as naphthalene biphenyl, diphenylmethane and benzene) are alkylated by means of up to 5 moles of at least one normal secondary alkylchloride containing 8 to 12 carbon atoms at a temperature of from 20 to 100 DEG C in the presence of from 2 to 15 mol.% of aluminium chloride based on the amount of the employed alkylchlorides. The catalyst is separated from the resulting alkylate, the latter is subjected to a vacuum fractionation and the desired fraction which has its boiling temperature within the range of from 220 to 250 DEG C/0.2-0.3 mm Hg. is collected.

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 ...

Radiation-resistant lubricants and their preparation

Radiation resistant lubricants are prepared by reacting 1 molecular proportion of biphenyl with 0.8 to 1.2 molecular proportions of propylene tetramer in the presence of 0.04 to 0.08 molecular proportions of a Friedel-Crafts catalyst, e.g. aluminium chloride. The biphenyl is dissolved in an inert solvent, e.g. heptane, the catalyst is admixed at 80-100 DEG C., and then the propylene tetramer is added at 40-50 DEG C. during 1 to 6 hours. The temperature is then raised to 80-100 DEG C. for 7 to 10 hours and the product is obtained as a distillation fraction having an initial boiling point of at least 350 DEG C.

Electrical device comprising electrical insulating material

The electric device according to the present invention has as its constituents the insulating materials and elements comprising films of synthetic resin, for instance, polypropylene, impregnated with 1-phenyl-2-ethylphenylethane and/or 1-phenyl-2-isopropylphenylethane. According to the present invention, insulating oils having favorable compatibility with the film of synthetic resin such as polypropylene and favorable affinity to metals and having low viscosity have been provided, and in addition, electric devices excellent in properties of withstanding a high voltage and dielectric properties in a broad range of temperature from a low temperature to a high temperature have also been offered.

EXTREME PRESSURE LUBRICATING COMPOSITION

... 1337360 Extreme pressure lubricants CHEVRON RESEARCH CO 1 June 1972 [1 June 1971] 25699/72 Heading C5F Lubricants comprise an oil, 1-60 wt. per cent of amorphous sodium borate having a particle size of less than 1 Á and 0À5-4 waters of hydration and a dispersant mixture consisting of 40-99À9 wt. per cent of a Group II metal and sulphur containing anionic lipophilic surface-active agent (many examples given, mostly of sulphonates) and 60-0À1 wt. per cent of a lipophilic nonionic surface-active agent (e.g. alkenyl succinimides and pentaerythritol derivatives). Conventional additives may also be present.

ELECTRICAL INSULATING OIL

... 1431527 Insulating oil KUREHA KAGAKU KOGYO KK 2 Oct 1974 [4 Oct 1973 15 Nov 1973] 42846/74 Heading C5F [Also in Division C3] An electrical insulating oil comprises a silicone oil containing an alkylfluoranthene and/or alkylpyrene of the formula respectively, each R being a C 1-4 alkyl group and x being 1, 2, 3 or 4, e.g. in amount 0À1-10% by weight of the silicone oil. In the examples 0À1-11 p.b.w., usually 0À5 p.b.w., of methyl-, ethyl-, propyl- and butyl-substituted fluoranthene or pyrene are added to 100 p.b.w. of a polydimethylsiloxane oil, or mixtures of monoto tetra-propyl pyrenes, propyl fluoranthene and propyl pyrene, or ethyl- and propylpyrenes or -fluoranthenes are used.

SYNTHETIC OILS

LUBRICATING COMPOSITIONS

Improvements in and relating to lubricating compositions

Lubricating oil, which may contain a small amount of castor oil, is mixed with a small proportion of xylene, aniline, xylidine or toluidine, to dissolve the resinous impurities formed in the oil during use.

Functional Fluids

... 1,197,088. Lubricants; heat transfer fluids. MONSANTO CO. 20 July, 1967 [21 July, 1966], No. 33500/67. Headings C4X and C5F. Lubricants, hydraulic and heat transfer fluids comprise at least 0À005 vol. per cent of heavy water and a base stock selected from esters and amides of an acid of phosphorus hydrocarbyl silicates, silicones, polyphenyl ether compounds, polyphenyl thioether compounds, mixed polyphenyl ether-thio-ether compounds, phenoxybiphenyl compounds, phenylmercaptobiphenyl compounds, mixed phenoxyphenylmercaptobiphenyl compounds and the above ether compounds in which part or all of the phenyl and phenylene rings are replaced with a heterocyclic group containing from 4 to 10 atoms from 1 to 4 of which are hetero atoms, mono- and dialkyl-thiophenes, chlorinated biphenyl, monoesters, di- and tricarboxylic acid esters, carboxylic esters of polyhydric compounds, complex carboxylic esters and mixtures thereof. The composition may also contain halogenated benzenes and diphenyl ethers ...

HYDRAULIC FLUIDS CONTAINING ESTERS OF ALKOXYACETIC ACID AS BASE STOCK

... 1346105 Alkoxyacetic acid esters OLIN CORP 6 Sept 1971 [18 Jan 1971] 41493/71 Heading C2C [Also in Division C5] Alkoxyacetic acid esters with glycols or glycol ethers of formulµ and where R 1 and R 2 are independently alkyl (1-4 C) groups, R 3 is alkylene (up to 4 C), x is integer 1-6, y is integer 1-4, and z an integer of 1-8 are used in hydraulic fluid compositions. The esters may be prepared by conconventional methods and examples are ethylene glycol dimethoxyacetate and diethoxyacetate; diethylene glycol dimethoxyacetate; 1,2- propanediol dimethoxyacetate; 1,3-propanediol dimethoxyacetate; 2,2 - dimethyl - 1,3 - propanediol dimethoxyacetate; 1,3-butandiol dimethoxyacetate; 2,3 - butanediol dimethoxyacetate; 1,4-butanediol diethoxyacetate; 1,5- pentanediol dimethoxyacetate; triethylene glycol monomethyl ether methoxyacetate; tetraethylene glycol monomethyl ether methoxyacetate and tetraethylene glycol monoethyl ether methoxyacetate.

Improvements in or relating to processes for the prevention of corrosion and compositions therefor

A coating composition for protecting metals comprises a water-insoluble volatile organic degreasing agent, a clear soluble oil and water in such proportions that the composition is a stable uniphase solution which does not separate on long standing and which contains a minimum of 10 per cent by weight of water and of 15 per cent by weight of degreasing agents. The degreasing agent may be an aromatic hydrocarbon such as benzene, toluene or xylene, or a halogenated hydrocarbon such as trichlorethylene, carbon tetrachloride or chloroform. The clear soluble oils used are blends of mineral oil and emulsifiers with small proportions of water and of organic solvents possessing both oleophilic and hydrophilic properties, which compositions, on dilution with water in any proportion, give clear solutions, a typical example containing by weight 55 per cent spindle oil, 30 per cent sodium naphthasulphonates, 5 per cent water, 5 per cent sulphated fish oil and 5 per cent diacetone alcohol. Anti-corrosion ...

Imido compounds, their production and use

A process for the production of an imide, bisimide or amic acid comprises reacting succinic anhydride, alkylsuccinic anhydride or alkenylsuccinic anhydride with a basic salt (or the corresponding base) of guanidine, aminoguanidine, guanylurea or biguanide or with urea, semicarbazide, 1,3-diaminourea or diaminoguanidine. The basic salt is preferably a carbonate, a bicarbonate or an aliphatic acid salt (e.g. an acetate). Reaction is suitably at 75 DEG to 175 DEG C. in a hydrocarbon solvent or in an oil medium. Example 6 describes the preparation of N-amidinosuccinamic acid from succinic anhydride and guanidine carbonate at 110 DEG to 112 DEG C. Example 7 describes the preparation of N - amidinotetrapropenyl - succinamic acid from tetrapropenyl succinic anhydride and guanidine carbonate at 85 DEG C. Example 14 describes the preparation of N,N1-bis(tetrapropenyl succinimide) methyleneimine from tetrapropenyl succinic anhydride and guanidine carbonate at 130 DEG to 135 DEG C.ALSO:Polyalkenyl ...

Methacrylate polymers, their production and use

Viscosity improvers and dispersant additives for lubricating oils, diesel oils, furnace oils, hydraulic oils and automatic transmission oils are oil-soluble alkyl polymethacrylates of which the alkyl groups have an average of at least 6 carbon atoms and which have a relative syndiotacticity of at least 87 (see Division C3). The polymers are normally incorporated in mineral or synthetic oils to the extent of at least 0.1% and normally not in excess of 15%. Examples are given of the addition to solvent refined Mid-Continent petroleum lubricating oils, a petroleum lubricating oil with a naphthenic base, a highly paraffinic SAE-10 winter grade petroleum oil and a mineral oil hydraulic fluid of these polymers. Typical polymers are lauryl methacrylate/methyl methacrylate copolymers, and the terpolymers containing also N-vinyl-2-pyrrolidone or vinyloxyethanol.ALSO:An oil-soluble alkyl polymethacrylate of which the alkyl groups have an average of at least 6 carbon atoms having a relative syndiotacticity ...

Improvements in or relating to lubricants

Lubricants having a low coefficient of friction and causing low surface wear consist of at least 1 per cent of organic compounds not containing metallic atoms and consisting of at least three substituted or unsubstituted rings interconnected directly or indirectly, dissolved or suspended in organic liquid or mixed with known lubricants. The rings are preferably interconnected by aliphatic radicles or non-metallic inorganic atoms or groups of atoms. Compounds containing atoms, groups of atoms or radicles capable of adhering physically or chemically to the metal surface to be lubricated, such as S, P, halogen, OH, COOH, CHO, CH3, CH, NH, NC and NO2, are preferred. In examples, wear is minimized by using a solution of 10 per cent of di-benzylidene benzidine in methyl cyclohexanol oxalate, or by adding sextol phthalate to a lubricating oil, or by using a solution of 5 per cent of triphenyl carbinol or tricresyl phosphate. Suitable solvents are methyl cyclohexanol oxalate and dimethyl cyclohexanol ...

COMPOSITION AND LUBRICANTS

... 1,236,161. Lubricants; fuels. LUBRIZOL CORP. 12 Feb., 1969 [13 March, 1968], No. 7641/69. Headings C5F and C5G. [Also in Division C3] An oil-soluble ester imparting sludge-dispersing properties to lubricating oils and in fuels serving to reduce the formation of carbonaceous deposits within the engine, is characterized by the presence within its structure of (a) a Garboxylic acid moiety which is the acyl residue of a monocarboxylic acid having at least fifty aliphatic carbon atoms (exclusive of the carboxyl carbon atom) and being substantially free from ethylenic unsaturation and (b) an alcohol moiety which is the oxy residue of a polyhydric alcohol or an amino alcohol. The lubricating oil may be mineral or synthetic (many examples given) and the fuel may be gasoline, diesel oil, jet fuel or kerosene. Examples are directed to the preparation of carboxylic acid esters, as follows: reacting the reaction, product of chlorinated polyisobutylene and acrylic acid with sorbitol, sorbitol mono-oleate ...

OLEOPHILIC TIN SULPHIDES AND INCORPORATION THEREOF IN LUBRICATING COMPOSITIONS

... 1,216,091. Tin sulphide. BRITISH PETROLEUM CO. Ltd. 28 Feb., 1968 [20 March, 1967], No. 12841/67. Heading C1A. [Also in Divisions C3, C5 and F2] Oleophilic tin sulphide is made by grinding one or more tin-sulphides in an organic liquid which distils below 500‹ C., has a viscosity below 600 centistokes at 38‹ C. and a surface tension below 72 dynes/cm. at 25‹ C., in the absence of air until the surface area of the tin sulphide is 5-400 m.2/gm. (N 2 adsorption). The sulphide may be used in lubricating compositions and composites for bearings.

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 ...

PROCESS FOR PREPARING PHOSPHATE SALTS OR MIXTURES CONTAINING THEM USEFUL AS LUBRICATING OIL ADDITIVES

Improvements in or relating to brake fluid

... 783,311. Hydraulic fluids. WAGNER ELECTRIC CORPORATION. April 29, 1955 [May 12, 1954], No. 12454/55. Addition to 744,385. Class 69 (2). An hydraulic brake fluid comprises per 100 parts by volume, 50 to 75 parts by volume of a diluent comprising an alcohol having the formula C6H13OH and methoxy-butanol or a C1-C4 monoalkyl ether of ethylene glycol or of diethylene glycol, from 5 to 20 parts by volume of a ricinoleate of an aliphatic glycol having up to 5 carbon atoms per molecule, from 5 to 20 parts by volume of a water-insoluble polypropylene glycol having an average molecular weight between 1000 and 3000, from 5 to 25 parts by volume of propylene glycol and/or hexylene glycol, and a minor proportion of a corrosion-inhibitor. The alcohol having the formula C6H13OH may be methyl isobutyl carbinol. The corrosion-inhibitor may be potassium ricinoleate or diamylamine. Examples of compositions are given containing methyl isobutyl carbinol, diethylene glycol mono-ethyl ether, a polypropylene ...

Oil compositions having increased stability towards free radicals

Mineral or synthetic oil composition are increased in stability towards free radicals by incorporation of either (a) a minor proportion of a dihydroaromatic compound derived from an aromatic compound having at least three fused benzene rings or at least one benzene and one fused heterocyclic ring; or (b) a minor proportion of a dihydroaromatic compound derived from an aromatic compound having at least two fused benzene rings or at least one benzene and one fused heterocyclic ring together with a minor proportion of a chain transfer agent, the molar ratio of chain transfer agent to dihydroaromatic being not more than 2 to 1; the chain transfer agent is defined as a compound which may react with any free radicals in the oil by giving up a hydrogen atom being itself converted into a free radical of some stability. Suitable oils include hydrocarbon oils such as gasoline, kerosine, gas oil, diesel oil, lubricating oil or residual fuel oil, a raffinate from a solvent extraction or an aromatic ...

ELECTRICAL INSULATING OIL COMPOSITION

Anti-rust compositions

Rust-inhibiting compositions comprise an oil, a condensation product of formaldehyde and an alkoxylated phenol, and an oil-soluble alkali metal naphthenate or sulphonate. The oil may be a synthetic or natural (e.g. mineral) oil. It may have a viscosity of 100 to 500 SUS/100 DEG F. and may be thickened with petrolatum. When used for a rust-preventing paint the oil may be a drying oil and bitumens or coal tar and pigments such as metal oxides may be included. Phenols mentioned are C6-20 mono- and dialkyl phenols, e.g. n- or iso-octyl, ditertiary- or iso-butyl, amyl, and heptyl phenols. They may be alkoxylated by reaction with a C2-6 alkylene oxide, e.g. ethylene or propylene oxide, in the presence of an inert solvent such as a hydrocarbon or by condensation with an alkylene or polyalkylene glycol, preferably containing 1 to 4 glycol residues. The condensation with formaldehyde may be performed with an alkaline catalyst such as ammonia or sodium or potassium hydroxide or a Friedel-Crafts catalyst ...

SULPHURIZE OLEFINS AND THEIR USE AS LUBRICANT ADDITIVES

Lubricant composition

A lubricating composition suitable for use in internal-combustion engines comprises a major proportion of a lubricating oil and a minor proportion of an oil-soluble mixture of (A) the copolymer of at least one monomer chosen from (1) an aliphatic monocarboxylic acid ester of an unsaturated alcohol, the aliphatic monocarboxylic acid containing up to 30 carbon atoms and the unsaturated alcohol being an a - or b -unsaturated alcohol containing up to 20 carbon atoms; (2) a 1-olefin containing 2-30 carbon atoms; and (3) a vinyl or allyl alkyl or cycloalkyl ether or homologue thereof containing 1-30 carbon atoms in the alkyl or cycloalkyl group, with a monomer chosen from maleic anhydride and an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a -substituted maleic anhydride containing up to 20 carbon atoms, the molar ratio of these monomers being from 0.5 : 1.5 to 1.5 : 0.5 and (B) another copolymer of (i) maleic anhydride or an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a ...

"Lubricating compositions"

A lubricating oil composition for use in the crankcase of an internal combustion engine, having improved resistance to the formation of emulsion-sludge in the area under the engine rocker cover, which contains the combination of an oxyalkylated alkylphenol-formaldehyde condensation product and tetra polyoxyethylene polyoxypropylene derivative of ethylene diamine.

Grease compositions containing metal phthalamates

Metal salts of mono-amides of iso- or terephthalic acids, which amides carry a hydrocarbon substituent attached to the nitrogen atom of the amide group, are employed as thickeners in lubricating greases (see Group III). The metal salts may be prepared by reacting a primary amine with an ester of iso-or terephthalic acid and neutralizing the resulting product with the desired metal oxide or hydroxide. The metal terephthalomates may be prepared by first treating a diester of terephthalic acid (e.g. dimethyl terephthalate) with a non-aqueous solution of a metallic base (e.g. potassium hydroxide in absolute alcohol) to hydrolyse one of the ester groups, forming a monometal salt of an ester of terephthalic acid. This salt, or the monoester itself, is treated with thionyl chloride to form the monoacid chloride of the terephthalic acid ester. The acid chloride is treated with a primary amine to form the monoester of a terephthalamic acid and the ester is treated with a metal oxide or hydroxide ...

Metal containing organic compositions and method of preparing same

A stable dispersion of a basic metal compound in an oleaginous composition, which dispersion is suitable for addition to lubricating oils to impart detergency and reserve basicity thereto, is prepared by (a) adding an inorganic compound of sodium, barium or calcium to an aliphatic alcohol containing 1-5 carbon atoms, (b) forming an oil-insoluble complex by passing carbon dioxide through the alcohol-inorganic compound mixture, (c) dispersing the resulting complex in an oleaginous carrier containing an oil-soluble dispersing agent, and (d) heating the resulting dispersion to decompose the complex and remove the alcohol. According to a modification of the process, the oleaginous carrier containing the oil-soluble dispersing agent, mentioned under (c), may be added before step (b) is carried out. The inorganic compounds mentioned are sodium, barium or calcium oxides, hydroxides, borates, carbonates or thiocarbonates, while the aliphatic alcohol may be a C1-C5 alkanol. The oleaginous carrier ...

FLUIDS SUITABLE FOR USE AS HYDRAULIC FLUIDS ELECTRICAL OILS HEAT TRANSFER FLUIDS AND REFRIGERANT OILS

DIELECTRIC COMPOSITIONS

... 1513676 Dielectric liquids RHONE-POULENC INDUSTRIES 7 July 1975 [16 July 1974 3 Dec 1974 28 May 1975] 33177/77 Divided out of 1513675 Heading C5F A liquid dielectric composition comprises a known dielectric liquid and at least one monocyanobiphenyl. The first-mentioned component may be a mineral oil, castor oil, a chlorobiphenyl, an ester of an organic acid, an aromatic hydrocarbon or an alkylated aromatic hydrocarbon. The composition may also contain a substance, e.g. a silicone oil, that will lower the surface tension, an antioxidant, an epoxide or more than one of these.

HYDRAULIC FLUIDS

... 1513881 Hydraulic fluids CASTROL Ltd 8 July 1975 [12 July 1974, 27 March 1975] 31036/74 and 13113/75 Heading C5F A hydraulic fluid comprises: (a) a lubricating oil, (b) an oil-soluble borate ester, (c) an amine, and (d) an oil-soluble ortho-ester, the two last components being of defined types. The amine is one which when dissolved with the borate in the lubricating oil, mixed with 0À5% of water, sealed in an ampoule and heated at 100‹ C. for 24 hours remains clear and bright. The orthoester is of the formula where R7 is hydrogen or hydrocarbyl and R8, R9 and R10 are each hydrocarbyl or hydrocarbylterminated polyalkylene oxide chains and may be the same as or different from one another. The lubricating oil may be a mineral oil or synthetic, e.g. hydrocarbon, carboxylate ester, siloxane or phosphate ester.

Improvements in or relating to compression refrigerator apparatus and methods of operating same

An hydrocarbon oil, in whose molecule a benzene ring is joined to a saturated hydrocarbon group, is employed as the lubricant in the compressor unit of a compression refrigerator apparatus, wherein the refrigerant used is a fluoro-halo aliphatic hydrocarbon such as CFCl3, CF2Cl2 or CHF2Cl. The oil may have a viscosity between 50 and 2,000 seconds Saybolt Universal and may be an alkyl benzene whose alkyl group, whether branched or normal, contains a chain of 4-15 carbon atoms. Suitable hydrocarbons are dodecyl, pentadecyl, hexadecyl or heptadecyl benzene, 4-hexadecylcumene, diphenyl decane, diphenyl dodecane, diphenyl pentadecane and mixtures thereof. The mixture of dodecyl benzene isomers produced by the alkylation of benzene with propylene tetramer is particularly suitable but distillation cuts from coal-tar fractions are also mentioned. Mineral oil compressor lubricants may be blended with the alkyl benzenes.

HYDRAULISCHE FLUESSIGKEIT

NEW MIXTURES ON THE BASIS FROM ALKENYLSUCCIN IMIDES AND PROCEDURES TO THE PRODUCTION OF THE MIXTURES

PROCEDURE FOR THE PRODUCTION OF PHENYLALKANEN

VERFAHREN ZUR KALTFORMUNG VON METALLEN UND HIERFUR VERWENDBARE SCHMIERSTOFFZUSAMMENSTELLUNG

LUBRICANT FOR REFRIDGERATORS

FREEZING OIL COMPOSITION.

FIRE-RETARDANT HYDRAULIC LIQUIDS.

SULFURIZIERTE COMPOSITIONS AND THESE CONTAINING AUXILIARY CONCENTRATES AND LUBRICATING OILS.

COMPOSITION, YOUR APPLICATION AS ELECTRICAL INSULATOR AND PROCEDURE FOR THEIR PRODUCTION.

LUBRICANT AND/OR LUBRICANT CONCENTRATE.

Procedures for protecting unedlen metals and of them unedlen alloys against corrosion

Procedure for the production of soaps, which contain the hydrocarbons of the benzene row in water-soluble form.

ALKYLRESORCINOLPHOSPHITE.

Opinion board for stories instruction.

Polymer-Fiber Composite Building Material with Bulk and Aesthetically Functional Fillers

Polymer composite roofing materials are provided which contain resin, and about 20-75 wt. % fillers and additives, in which the fillers contain at least one bulk filler for reducing the amount of resin needed to make the roofing material, and at least one aesthetically functional filler for providing the roofing material with an aesthetic appearance. The bulk filler and the aesthetically functional filler of this embodiment are non-toxic, resistant to microbial attack, and have a Mohs hardness of less than about 5.

Lubricating Compositions Containing Polyalkylene Glycol Mono Ethers

Provided are lubricating compositions comprising in admixture at least 40 wt % of a base stock selected from the group consisting of Group I, Group II, Group III, Group IV and Group V base stocks, or any combination thereof, one or more polyalkylene glycol mono ethers, and at least one additive. Also provided are methods of improving the friction and wear properties of a base stock selected from the group consisting of Group I, Group II, Group III, Group IV and Group V base stocks, or any combination thereof, comprising blending the base stock with one or more polyalkylene glycol mono ethers and at least one additive, to form a lubricating composition.

Tetrafluoropropene compositions and uses thereof

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

Lubricant for Low Global Warming Potential Refrigerant Systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes an ester based lubricant and a low GWP refrigerant, and where the ester based lubricant includes an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 1. A working fluid for a low global warming potential refrigeration system comprising a compressor , the working fluid comprising an ester based lubricant and a low global warming potential refrigerant;wherein the ester based lubricant comprises an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms.2. The working fluid of wherein said branched carboxylic acid contains 5 carbon atoms.3. The working fluid of wherein said branched carboxylic acid comprises 2-methylbutanoic acid claim 1 , 3-methylbutanoic acid claim 1 , or a combination thereof.4. The working fluid of wherein said ester is formed by the reaction of said acid and one or more polyols claim 1 , wherein said polyol comprises neopentyl glycol claim 1 , glycerol claim 1 , trimethylol propane claim 1 , pentaerythritol claim 1 , dipentaerythritol claim 1 , tripentaerythritol.5. The working fluid of wherein said working fluid further comprises: (i) one or more esters of one or more linear carboxylic acids claim 1 , (ii) one or more polyalphaolefin (PAO) base oils claim 1 , (iii) one more alkyl benzene base oils claim 1 , (iii) one or more polyalkylene glycol (PAG) base oils claim 1 , (iv) one or more alkylated naphthalene base oils claim 1 , or (v) any combination thereof claim 1 , in ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system with which a HCFO or a CFO can more stably lubricate, and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing at least one compound selected from predetermined HCFO and CFO, and a mixed refrigeration oil obtained by mixing a naphthenic mineral oil and other predetermined refrigeration oil, wherein the mixed refrigeration oil has a kinematic viscosity at 40° C. of 300 mm/s or lower, a mixed composition 1 of the working fluid for heat cycle and the mixed refrigeration oil at a concentration of the working fluid for heat cycle of 10 mass % has a viscosity at 60° C. of 10 mPas or higher, and a mixed composition 2 of the working fluid for a heat cycle system and the mixed refrigeration oil at a concentration of the mixed refrigeration oil of 5 mass % has a two phase separation temperature of 0° C. or lower, and a heat cycle system, which employs the composition for a heat cycle system. 2. The composition for a heat cycle system according to claim 1 , wherein the mixed refrigeration oil contains a naphthenic mineral oil and at least one member selected from a paraffinic mineral oil claim 1 , an olefin polymer and a polyol ester refrigeration oil.3. The composition for a heat cycle system according to claim 1 , wherein the content of the working fluid for heat cycle is from 40 to 95 mass % based on the entire amount of the composition for a heat cycle system.4. The composition for a heat cycle system according to claim 1 , wherein the content of the mixed refrigeration oil is from 5 to 60 mass % based on the entire amount of the composition for a heat cycle system.5. The composition for a heat cycle system according to claim 1 , wherein the content of the naphthenic mineral oil is from 50 to 90 mass % based on the entire amount of the mixed refrigeration oil.6. The composition for a heat cycle system according to claim 1 , wherein the ...

AMORPHOUS HYDROCARBON BASED FILM, AND SLIDING MEMBER AND SLIDING SYSTEM PROVIDED WITH SAID FILM

A low-friction coating includes: an aliphatic hydrocarbon group showing a peak in a region of 2,900 cmto 3000 cmin an infrared absorption spectrum; a carbonyl group showing a peak in a region of 1,650 cmto 1,800 cmin an infrared absorption spectrum; an aromatic component (CH) showing a peak at mass 91.1 in a positive ion spectrum obtained by TOF-SIMS; and a condensed ring based component (CH) showing a peak at mass 115.2 in the positive ion spectrum obtained by TOF-SIMS. 1. An amorphous hydrocarbon based film comprising:{'sup': −1', '−1, 'an aliphatic hydrocarbon group showing a peak in a region of from 2,900 cmto 3,000 cmin an infrared absorption spectrum; and'}at least one of an aromatic component showing a peak at a mass of 91.1 in a positive ion spectrum obtained by time-of-flight secondary ion mass spectrometry and a condensed ring based component showing a peak at a mass of 115.2 in the positive ion spectrum obtained by the time-of-flight secondary ion mass spectrometry.2. The amorphous hydrocarbon based film according to claim 1 , further comprising:{'sup': −1', '−1, 'a carbonyl group showing a peak in a region of from 1,650 cmto 1,800 cmin an infrared absorption spectrum.'}3. The amorphous hydrocarbon based film according to claim 1 , comprising both the aromatic component and the condensed ring based component.4. The amorphous hydrocarbon based film according to claim 1 ,wherein an average thickness is 2 nm to 1,000 nm.5. A sliding member comprising:a sliding surface comprising a first coating,wherein the sliding member is formed of at least one of metal and ceramics, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the first coating comprises the amorphous hydrocarbon based film according to .'}6. The sliding member according to claim 5 ,{'sub': '2', 'wherein the sliding member is formed of ZrO.'}7. A sliding system comprising:{'claim-ref': {'@idref': 'CLM-00005', 'claim 5'}, 'the sliding member according to ; and'}a slid member comprising a ...

Shear-Stable Oil Compositions and Processes for Making the Same

An oil composition comprising a first component having pendant groups and a second component but free of a third component and process for making such oil composition, where a single molecule of the third component can form large shearable stable complex structure with two molecules of the first component via van der Waals force between pendant groups and the terminal carbon chains, and a single molecule of the second component is capable of adjoining no more than one molecule of the first type. The oil composition has high shear stability making it suitable for use in lubricants subject to repeated high shear stress events. 1. An oil composition comprising a first component and a second component differing from the first component and free of a third component , wherein:the first component is a base stock comprising multiple molecules of a first type each having multiple pendant groups, where (i) the average pendant group length of the longest 5%, by mole, of the pendant groups of all of the molecules of the first type have an average pendant group length of Lpg(5%), where Lpg(5%)≧5.0; and (ii) a portion of the molecules of the first type have molecular weight greater than or equal to 20,000;the second component comprises multiple molecules of a second type each of which individually is capable of adjoining no more than one molecule of the first type via van der Waals force between straight carbon chains to form a stable first complex structure; andthe third component comprises molecules of a third type each comprising two terminal carbon chains, where (i) the number average molecular weight of the third component is no greater than 2,000; and (ii) the two terminal carbon chains have chain lengths equal to or greater than 5.0 and do not share a common carbon atom.2. The oil composition of claim 1 , wherein:the molecules of the second type comprise one or zero terminal carbon chain that has a chain length equal to or greater than 5.0.3. The oil composition of claim ...

Shear-Stable Oil Compositions and Processes for Making the Same

An oil composition comprising a first component having pendant groups, a second component having two or more terminal carbon chains, and optionally a third component, where a single molecule of the second component can form shearable stable structure with two molecules of the first component via van der Waals force between pendant groups and the terminal carbon chains. Shear stability of the oil can be improved if the total concentration of the heavy fraction of the shearable stable structure is controlled at a low concentration. 1. An oil composition comprising a first component and a second component different from the first component , wherein:the first component is a base stock comprising multiple molecules of a first type each having multiple pendant groups, where (i) the average pendant group length of the longest 5%, by mole, of the pendant groups of all of the molecules of the first type have an average pendant group length of Lpg(5%), where Lpg(5%)≧5.0; and (ii) a portion of the molecules of the first type have a number-average molecular weight greater than or equal to 20,000;the second component comprises multiple molecules of a second type each comprising two terminal carbon chains, where (i) the number-average molecular weight of the second component is no greater than 2,000; and (ii) the two terminal carbon chains have chain lengths equal to or greater than 5.0 and do not share a common carbon atom;a single molecule of the second type is capable of adjoining two molecules of the first type via van der Waals force between the pendant groups of the molecules of the first type and the two terminal carbon chains in the single molecule of the second type to form a first complex structure, the first complex structures comprising a first heavy fraction thereof having an equivalent number-average molecular weight of at least 45,000; {'br': None, 'i': 'C', '11(max)≦20.'}, 'the total maximum theoretical concentration of the first heavy fraction of the first ...

Auxiliary Emergency Protective Lubrication System for Metal Mechanical Components

An auxiliary lubricant comprising a composition, the comprising intermediate molecular weight surfactant-functionalized nanoparticles dispersed in a base oil. 1. An auxiliary lubricant comprising:a composition comprising intermediate molecular weight surfactant-functionalized nanoparticles dispersed in a base oil.2. The auxiliary lubricant according to claim 1 , wherein said nanoparticles comprises at least one of a carbon-containing phase and an inorganic phase.3. The auxiliary lubricant according to claim 2 , wherein said nanoparticles in said inorganic phase are selected from the group consisting of boric acid claim 2 , metal sulfides claim 2 , and alkali silicates.4. The auxiliary lubricant according to claim 3 , wherein said metal sulfide comprises Zn claim 3 , W claim 3 , and Mo.5. The auxiliary lubricant according to claim 3 , wherein said alkali silicate comprises Na and K.6. The auxiliary lubricant according to claim 2 , wherein said carbon-containing phase comprises at least one of graphene claim 2 , ultra-dispersed nano-crystalline diamond and graphite claim 2 , spheroidal carbons claim 2 , and carbon nanorods.7. The auxiliary lubricant according to claim 1 , wherein said nanoparticles comprise a dimension ranging from about 1 nanometer to about 20 nanometers.8. The auxiliary lubricant according to claim 1 , wherein said nanoparticles comprise a dimension less than 1 nanometer.9. The auxiliary lubricant according to claim 1 , wherein said nanoparticles comprise a narrow-size distribution with an aspect ratio greater than 2.10. The auxiliary lubricant according to claim 1 , wherein said nanoparticles are functionalized with amphoteric surfactants containing alcohol claim 1 , amine claim 1 , carboxylic acid claim 1 , carbonate claim 1 , ester claim 1 , ether alcohol claim 1 , sulfate claim 1 , sulphonate claim 1 , phosphate claim 1 , phosphite claim 1 , or phosphonate head groups and intermediate molecular weight hydrocarbon claim 1 , fluorocarbon claim 1 , ...

Lubricant composition promoting sustained fuel economy

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

LUBRICATING OIL COMPOSITIONS WITH OXIDATIVE STABILITY IN DIESEL ENGINES USING BIODIESEL FUEL

A method for improving oxidative stability of a lubricating oil in a diesel engine, in which biodiesel fuel is used with diesel fuel in the diesel engine, by using as the lubricating oil a formulated oil. The formulated oil has a composition including at least one Group V lubricating oil base stock. The at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent, based on the total weight of the lubricating oil. Oxidative stability is improved in a diesel engine lubricated with the lubricating oil, as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock, as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test. The lubricating oils are useful as passenger vehicle engine oil (PVEO) products or commercial vehicle engine oil (CVEO) products. 1. A method for improving oxidative stability of a lubricating oil in a diesel engine , wherein biodiesel fuel is used with diesel fuel in the diesel engine , by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one Group V lubricating oil base stock; wherein the at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent , based on the total weight of the lubricating oil; and wherein oxidative stability is improved in a diesel engine lubricated with the lubricating oil , as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock , as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test.2. The method of wherein claim 1 , in a CEC L-109-16 Bio-Diesel Oxidation Bench test claim 1 , the time for a relative kinematic viscosity at 100° C. (KV100) increase of 100% of said lubricating oil claim 1 , is greater than the time for a relative kinematic viscosity at 100° C. (KV100) increase ...

LUBRICANT COMPOSITION, COMPOSITION FOR REFRIGERATING MACHINES, AND METHOD FOR DETECTING LEAKAGE POINT

Provided is a lubricant composition which is excellent in thermal stability and chemical stability while making it possible to detect a leakage point of the lubricant composition, etc. with a fluorescent agent. The lubricant composition is one containing a base oil (A) and a fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof, wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition. 1: A lubricant composition , comprising(A) a base oil (A); and(B) a fluorescent fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof,wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition.2: The lubricant composition according to claim 1 , wherein the base oil (A) is at least one selected from the group consisting of a mineral oil claim 1 , a polyalkylene glycol claim 1 , a polyvinyl ether claim 1 , a polyol ester claim 1 , an alkylbenzene claim 1 , and a poly-α-olefin.3: The lubricant composition according to claim 1 , wherein the fused ring compound (B) is at least one selected from the group consisting of a perylene-based compound claim 1 , a naphthacene-based compound claim 1 , and an anthracene-based compound.4: The lubricant composition according to claim 1 , further comprising(C) a coloring agent (C).5: The lubricant composition according to claim 1 , which is adapted to function as a lubricant composition for any of a refrigerator oil claim 1 , a hydraulic oil claim 1 , a bearing oil claim 1 , a gear oil claim 1 , a turbine oil claim 1 , a transmission oil claim 1 , a shock absorber oil claim 1 , and a motor cooling oil.6: A composition for refrigerating machines claim 1 , the composition comprising the lubricant ...

GREASE COMPOSITION

A grease composition comprises a base oil and an aluminium complex soap thickener, with graphite, molybdenum di-sulphide, calcium carbonate and bismuth sulphide all included as additives. The composition exhibits advantageous load, wear and friction performance, especially in extreme pressure environments, and is particularly suitable for use on open gears. 1. A grease composition comprising a base oil and an aluminium complex soap as a thickening agent , wherein the composition further includes as additives (i) graphite , (ii) molybdenum disulphide , (iii) calcium carbonate and (iv) bismuth sulphide.2. The grease composition according to claim 1 , comprising graphite in an amount of from 1 to 15 wt. based upon the total weight of the grease composition.3. The grease composition according to claim 1 , comprising molybdenum disulphide in an amount of from 1 to 15 wt. % claim 1 , based upon the total weight of the grease composition.4. The grease composition according to claim 1 , comprising calcium carbonate in an amount of from 1 to 15 wt. % claim 1 , based upon the total weight of the grease composition.5. The grease composition claim 1 , comprising bismuth sulphide in an amount of from 0.1 to 15 wt. % claim 1 , based upon the total weight of the grease composition.6. The grease composition according to claim 1 , wherein bismuth sulphide has a particle size at least about 50% greater than the particle sizes of graphite claim 1 , calcium carbonate and molybdenum disulphide.7. The grease composition according to claim 1 , wherein bismuth sulphide has a particle size D50 of 10 μm or greater and D90 of 40 μm or greater.8. The grease composition according to claim 1 , wherein the base oil comprises a blend of a polybutene claim 1 , a paraffinic base oil and a naphthenic base oil.9. The grease composition according to claim 1 , comprising aluminium complex soap thickener in an amount of from 0.5 wt. % to 15 wt. % claim 1 , based upon the total weight of the grease ...

HEAT TRANSFER PROCESS

A heat transfer process using a composition containing hydro(chloro)fluoroolefins. A heat transfer process that successively includes a step of evaporation of a refrigerant, a step of compression, a step of condensation of said refrigerant at a temperature greater than or equal to 70° C. and a step of expansion of said refrigerant characterized in that the refrigerant includes at least one hydrofluoroolefin having at least four carbon atoms represented by the formula (I) RCH═CHRin which Rand Rindependently represent alkyl groups having from 1 to 6 carbon atoms, substituted with at least one fluorine atom, optionally with at least one chlorine atom. 1. A heat transfer process employing a compression system having at least one stage comprising successively a step of evaporation of a refrigerant , a compression step , a condensation step of said fluid at a temperature between 70° C. and 150° C. and an expansion step of said fluid , characterized in that the refrigerant comprises from 40 to 100 wt. % of 1 ,1 ,1 ,4 ,4 ,4-hexafluorobut-2-ene and from 0 to 10 wt. % of at least one compound selected from the group consisting of pentane , isopentane , and cyclopentane.2. The process as claimed in claim 1 , wherein the temperature is between 95 and 140° C.3. The process as claimed in claim 1 , wherein the refrigerant further comprises at least one compound selected from hydrofluorocarbons claim 1 , hydrocarbons claim 1 , (hydro)fluoroethers claim 1 , hydrochlorofluoropropenes claim 1 , hydrofluoropropenes claim 1 , ethers claim 1 , methyl formate claim 1 , and carbon dioxide.4. The process as claimed in claim 1 , wherein the refrigerant further comprises at least one hydrofluorocarbon selected from the group consisting of 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluorobutane and 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane.5. (canceled)6. The process as claimed in claim 1 , wherein the refrigerant comprises from 40 to 95 wt. % of 1 claim 1 ,1 ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system. 1. A composition for a heat cycle system , comprising:a working fluid for heat cycle comprising trifluoroethylene and a hydrofluoroolefin other than trifluoroethylene; anda stabilizer for preventing deterioration of the working fluid for heat cycle.2. The composition for a heat cycle system according to claim 1 , wherein the stabilizer is at least one stabilizer selected from an oxidation resistance-improving agent claim 1 , a heat resistance-improving agent and a metal deactivator.3. The composition for a heat cycle system according to claim 2 , wherein the stabilizer is at least one compound selected from the group consisting of a phenol compound claim 2 , an unsaturated hydrocarbon group-containing aromatic compound claim 2 , an aromatic amine compound claim 2 , an aromatic thiazine compound claim 2 , a terpene compound claim 2 , a quinone compound claim 2 , a nitro compound claim 2 , an epoxy compound claim 2 , a lactone compound claim 2 , an orthoester compound claim 2 , a mono- or di-alkali metal salt compound of phthalic acid claim 2 , and a thiodiphenyl ether hydroxide compound.4. The composition for a heat cycle system according to claim 1 , wherein a content of the stabilizer in the composition is at least 1 mass ppm.5. The composition for a heat cycle system according to claim 1 , further comprising a refrigerant oil.6. The composition for a heat ...

Lubricant And Refrigerant Compositions Comprising Polyalkylene Glycols And Uses Thereof

The invention relates to a lubricating oil composition and a refrigerant composition containing a polyalkylene glycol having a terpenoid end group, such as a farnesol end group.

REFRIGERATING-MACHINE OIL AND WORKING-FLUID COMPOSITION FOR REFRIGERATING MACHINE

The invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, and being used with a 1-chloro-3,3,3-trifluoropropene refrigerant. 1. A refrigerating machine oil comprising a hydrocarbon-based base oil ,the refrigerating machine oil having a viscosity index of 120 or less, and being utilized with a 1-chloro-3,3,3-trifluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.3. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.4. The refrigerating machine oil according to claim 1 , wherein the 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant.5. A working fluid composition for a refrigerating machine claim 1 , comprising:a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, anda 1-chloro-3,3,3-trifluoropropene refrigerant.6. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.7. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.8. The working fluid composition for a refrigerating machine according to claim 5 , wherein the 1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant.9. (canceled)10. (canceled) The present invention relates to a refrigerating machine oil, and a working fluid composition for a refrigerating machine; use of a composition containing a hydrocarbon-based base oil for a refrigerating machine oil or a working fluid ...

Refrigeration apparatus

A refrigeration apparatus includes a heat source unit, a utilization unit, and a liquid refrigerant pipe and gas refrigerant pipe. The utilization unit has utilization unit internal pipelines. The liquid refrigerant pipe and the gas refrigerant pipe connect the heat source unit and the utilization unit internal pipelines. A refrigerant circulates through the heat source unit, the utilization unit, the liquid refrigerant pipe, and the gas refrigerant pipe. The refrigerant contains a compound represented by a molecular formula having one or more carbon-carbon unsaturated bonds. A disproportionation inhibitor for reducing a disproportionation reaction of the refrigerant is applied to at least a part of inner surfaces of the liquid refrigerant pipe, the gas refrigerant pipe, and the utilization unit internal pipelines.

GREASE COMPOSITION

Provided is a grease composition including a base oil (A) containing an alkyl naphthalene (A1) and an aliphatic diurea (B) represented by general formula (b1): 1: A grease composition comprising a base oil (A) containing an alkyl naphthalene (A1) , and an aliphatic diurea (B) represented by general formula (b1):{'br': None, 'sup': 1', '3', '2, 'R—NHCONH—R—NHCONH—R\u2003\u2003(b1)'}{'sup': 1', '2', '3, '(wherein, Rand Reach independently represent a monovalent aliphatic hydrocarbon group having 9 to 20 carbon atoms, and Rrepresents a divalent aromatic hydrocarbon group having 6 to 18 carbon atoms),'}wherein a content of the aliphatic diurea (B) is from 20 to 30% by mass based on a total amount of the grease composition.2: The grease composition according to claim 1 , which has a worked penetration at 25° C. of 220 or more.3: The grease composition according to claim 1 , wherein a kinematic viscosity at 40° C. of the base oil (A) is from 20 to 30 mm/s.4: The grease composition according to claim 1 , further comprising a poly-α-olefin in an amount of less than 10 parts by mass based on 100 parts by mass of the alkyl naphthalene (A1).5: The grease composition according to claim 1 , further comprising a mineral oil in an amount of less than 10 parts by mass based on 100 parts by mass of the alkyl naphthalene (A1).6: The grease composition according to claim 1 , further comprising a metal atom-containing compound in an amount of less than 5% by mass based on a total amount of the grease composition.7: The grease composition according to claim 1 , wherein a content of the alkyl naphthalene (A1) is from 50 to 100% by mass based on a total amount of the base oil (A).8: The grease composition according to claim 1 , which is to be used for an apparatus that is used in a clean room.9: The grease composition according to claim 1 , which is to be used for an apparatus that is used for food production. The present invention relates to a grease composition.In general, a precision ...

Lubricant for Low Global Warming Potential Refrigerant Systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes a polyolester oil, an alkylbenzene oil, and a low GWP refrigerant, and where the ester based lubricant comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 1. A working fluid for a low global warming potential refrigeration system comprising a compressor comprising:(a) a lubricating oil component comprising (i) a polyolester oil, wherein the polyolester oil comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms and (ii) an alkylbenzene; and(b) a refrigerant comprising hydrofluoroolefin-1336mzzZ/trans-1,2-dichloroethylene.2. The working fluid of claim 1 , wherein the polyolester oil has a neat viscosity of 150 cSt to 180 cSt measured at 40° C. according to ASTM D445.3. The working fluid of claim 1 , wherein the alkylbenzene has a neat viscosity of 3 cSt to 100 cSt measured at 100° C. according to ASTM D445.4. The working fluid of claim 1 , wherein the polyolester oil comprises 10 mol % to 20 mol % of a linear carboxylic acid having 8 carbon atoms.5. The working fluid of claim 1 , wherein the polyolester oil comprises 5 mol % to 12 mol % of a linear carboxylic acid having 10 carbon atoms.6. The working fluid of claim 1 , wherein the polyolester oil comprises 10 mol % to 20 mol % dipentareythritol claim 1 , 0 mol % to 10 mol % of a linear carboxylic ...

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. 1. A composition for a heat cycle system comprising a working fluid for heat cycle containing 1 ,2-difluoroethylene , and a refrigerant oil.2. The composition for a heat cycle system according to claim 1 , wherein 1 claim 1 ,2-difluoroethylene is trans-1 claim 1 ,2-difluoroethylene claim 1 , cis-1 claim 1 ,2-difluoroethylene or a mixture thereof.3. The composition for a heat cycle system according to claim 1 , wherein the refrigerant oil is at least one member selected from an ester refrigerant oil claim 1 , an ether refrigerant oil and a hydrocarbon refrigerant oil.4. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 40° C. is from 1 to 750 mm/s.5. The composition for a heat cycle system according to claim 1 , wherein the proportion (carbon/oxygen molar ratio) of carbon atoms to oxygen atoms of the refrigerant oil is from 2 to 7.5.6. The composition for a heat cycle system according to claim 1 , wherein the working fluid for heat cycle further contains at least one member selected from a saturated hydrofluorocarbon.7. The composition for a heat cycle system according to claim 6 , wherein the saturated hydrofluorocarbon is at least one member selected from difluoromethane claim 6 , 1 claim 6 ,1-difluoroethane claim 6 , 1 claim 6 ,1 claim 6 ,1 claim 6 ,2-tetrafluoroethane and pentafluoroethane.8. The composition for a heat cycle system according to claim 1 , wherein the working fluid for heat cycle further contains at least one member selected from a hydrofluorocarbon having a carbon-carbon double bond other than 1 claim 1 ,2-difluoroethylene.9. The composition for a heat cycle system according to claim 8 , wherein the hydrofluorocarbon having a ...

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. 1. A composition for a heat cycle system comprising a working fluid for heat cycle containing 1 ,2-difluoroethylene , and a stabilizer for preventing deterioration of the working fluid for heat cycle.2. The composition for a heat cycle system according to claim 1 , wherein 1 claim 1 ,2-difluoroethylene is trans-1 claim 1 ,2-difluoroethylene claim 1 , cis-1 claim 1 ,2-difluoroethylene or a mixture thereof.3. The composition for a heat cycle system according to claim 1 , wherein the stabilizer is at least one stabilizer selected from an oxidation resistance-improving agent claim 1 , a heat resistance-improving agent and a metal deactivator.4. The composition for a heat cycle system according to claim 1 , wherein the stabilizer is at least one compound selected from the group consisting of a phenol compound claim 1 , an unsaturated hydrocarbon group-containing aromatic compound claim 1 , an aromatic amine compound claim 1 , an aromatic thiazine compound claim 1 , a terpene compound claim 1 , a quinone compound claim 1 , a nitro compound claim 1 , an epoxy compound claim 1 , a lactone compound claim 1 , an orthoester compound claim 1 , a mono- or di-alkali metal salt compound of phthalic acid claim 1 , and a thiodiphenyl ether hydroxide compound.5. The composition for a heat cycle system according to claim 1 , which contains the stabilizer in an amount of at least 1 mass ppm.6. The composition for a heat cycle system according to claim 1 , wherein the proportion of 1 claim 1 ,2-difluoroethylene is at least 20 mass % based on the working fluid for heat cycle.7. The composition for a heat cycle system according to claim 1 , wherein the proportion of 1 claim 1 ,2-difluoroethylene is from 20 to 80 mass % based on the working fluid for heat ...

Lubricating oil composition for refrigerating machines

A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.

NOVEL FORMULATION APPROACH TO EXTEND THE HIGH TEMPERATURE PERFORMANCE OF LITHIUM COMPLEX GREASES IN ROLLING BEARINGS

The present disclosure provides a lithium complex grease with high-temperature resistivity and a method of making the same. The lithium complex grease includes: a lithium complex thickener, a friction modifier, a polymer or copolymer, and at least one synthetic base oil with alkylated naphthalene. The lithium complex grease can be substantially free of polytetrafluoroethylene. Furthermore, the lithium complex grease can have a median failure rate with via ball bearing test (e.g., using the FE9 grease life test method of DIN 51 821) performed at 160° C. of no less than 100 hours. 1. A lithium complex grease with high-temperature resistivity , the lithium complex grease comprising:a lithium complex thickener;a friction modifier;a polymer or copolymer; andat least one synthetic base oil having alkylated naphthalene.2. The lithium complex grease of claim 1 , wherein the friction modifier is at least one of a molybdenum (Mo) friction modifier claim 1 , molybdenum dithiocarbamate (MoDTC) claim 1 , molybdenum dithiophosphate (MoDTP) claim 1 , MOLYVAN® 822 claim 1 , MOLYVAN® 855 claim 1 , MOLYVAN® L claim 1 , MOLYVAN® 807 claim 1 , MOLYVAN® A claim 1 , MOLYVAN® 2000 claim 1 , ADEKA SAKURA LUBE 525 claim 1 , MOLYVAN® 3000 claim 1 , or a combination thereof.3. The lithium complex grease of claim 1 , wherein the polymer or copolymer comprises at least one of ethylene claim 1 , propylene claim 1 , an ethylene-propylene co-polymer claim 1 , or a combination thereof.4. The lithium complex grease of claim 3 , wherein the polymer or copolymer is Vistamaxx™ 6202.5. The lithium complex grease of claim 1 , wherein the at least one synthetic base oil includes at least one of an alkylated naphthalene base oil claim 1 , a polyalphaolefin (PAO) base oil claim 1 , alkylated naphthalene in PAO base oil claim 1 , or a combination thereof.6. The lithium complex grease of claim 5 , wherein the alkylated naphthalene base oil is at least one of Synesstic™ 5 claim 5 , Synesstic™ 12 claim 5 , or a ...

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

A composition for a heat cycle system contains a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene and a refrigerant oil. 1. A composition for a heat cycle system comprising:a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene; anda refrigerant oil.2. The composition for a heat cycle system according to claim 1 ,wherein the 1-chloro-2,3,3,3-tetrafluoropropene contains (Z)-1-chloro-2,3,3,3-tetrafluoropropene and (E)-1-chloro-2,3,3,3-tetrafluoropropene at a ratio of 51:49 to 100:0 by mass ratio represented by (Z)-1-chloro-2,3,3,3-tetrafluoropropene:(E)-1-chloro-2,3,3,3-tetrafluoropropene.3. The composition for a heat cycle system according to claim 1 ,wherein the refrigerant oil contains at least one type of oil selected from the group consisting of an ester-based refrigerant oil, an ether-based refrigerant oil, a hydrocarbon-based refrigerant oil, and a naphthenic refrigerant oil.4. The composition for a heat cycle system according to claim 3 ,wherein the refrigerant oil contains at least one type of compound selected from the group consisting of a dibasic acid ester, a polyol ester, a complex ester, a polyol carbonic acid ester, polyvinyl ether, a polyalkylene glycol, alkyl benzene, and a naphthene-base oil.5. The composition for a heat cycle system according to claim 1 ,{'sup': 2', '2, 'wherein the refrigerant oil has a kinematic viscosity at 40° C. of 1 mm/s or more and 750 mm/s or less.'}6. The composition for a heat cycle system according to claim 1 ,wherein the refrigerant oil contains carbon atoms and oxygen atoms at a ratio of 2.0 or more and 7.5 or less by molar ratio represented by carbon atoms/oxygen atoms.7. The composition for a heat cycle system according to claim 1 ,wherein the working medium for heat cycle further contains saturated hydrofluorocarbon.8. The composition for a heat cycle system according to claim 1 ,wherein the working medium for heat cycle further contains hydrofluoroolefin.9. The ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf and HFC-134a; wherein said HFC-1234yf is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said HFC-1234yf is present at about 40 weight percent to about 99 weight percent.8. The composition of claim 6 , wherein said HFC-1234yf is present at about 50 weight percent to about 99 weight percent.9. The composition of claim 6 , consisting essentially of about 30 weight percent to about 99 weight percent HFC-1234yf and about 70 weight percent to about 1 weight percent HFC-134a.10. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.11. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.12. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.13. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.14. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and thereafter evaporating said ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

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

SYNTHETIC LUBRICATING OIL COMPOSITIONS

A lubricating base stock comprising an alkyl aromatic, a blend of additives, a blend of oil soluble polyalkylene glycols and a blend of polyolefins. In the lubricating base stock, the oil soluble polyaklyene glycols are homopolymers of ethylene oxide. Additionally, in the lubricating base stock, the blend of polyolefins comprises at least one metallocene polyolefin. 1. A lubricating base stock comprising:a) an alkyl aromatic;b) a blend of additives;c) a blend of oil soluble polyalkylene glycols, wherein the oil soluble polyaklyene glycols are homopolymers of ethylene oxide; andd) a blend of polyolefins,wherein the blend of polyolefins comprise at least one metallocene polyolefin.2. The lubricating base stock of claim 1 , wherein the amount of alkyl aromatic range from about 50 wt % to about 95 wt %.3. The lubricating base stock of claim 1 , wherein the amount of additives range from about 0.005 wt % to about 5 wt %.4. The lubricating base stock of claim 1 , wherein the amount of polyolefins range from about 10 wt % to about 20 wt %.5. The lubricating base stock of claim 1 , wherein the amount of oil soluble polyalkylene glycols range from about 5 wt % to about 50 wt %.6. The lubricating base stock of claim 1 , wherein the alkyl aromatic has one or more alkyl groups from about 6 to about 30 carbon atoms.7. The lubricating base stock of claim 1 , wherein the additives are selected from the group consisting of: antioxidants claim 1 , corrosion inhibitors claim 1 , rust inhibitors claim 1 , antiwear claim 1 , extreme pressure claim 1 , demulsifiers claim 1 , and anti-foam.8. The lubricating base stock of claim 1 , wherein the blend of polyolefins comprise at least three different types of polyolefins.9. The lubricating base stock of claim 1 , wherein the blend of polyolefins comprise at least one oil soluble polyolefin and at least one metallocene polyolefin.10. The lubricating base stock of claim 1 , wherein the amount of oil soluble polyolefin is greater than the ...

Compositions comprising a fluoroolefin

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

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A mobile air-conditioning apparatus containing a composition comprising HFC-1234yf and at least one compound selected from trans-HFC-1234ze , cis-HFC-1234ze , HFC-1243zf , HFC-32 , and CO.7. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compounds selected from trans-HFC-1234ze and CO.8. The apparatus of claim 6 , wherein the composition consists of HFC-1234yf claim 6 , trans-HFC-1234ze claim 6 , and CO.9. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from trans-HFC-1234ze claim 6 , cis-HFC-1234ze claim 6 , and HFC-1243zf.10. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from trans-HFC-1234ze and HFC-32.11. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from HFC-32 and CO.12. The apparatus of claim 6 , wherein the composition consists of HFC-1234yf and HFC-32.13. The apparatus of claim 12 , wherein the composition consists of from about 40 to 99 weight percent HFC-1234yf and from about 1 to 60 weight percent HFC-32.14. The apparatus of claim 6 , wherein said composition further comprises at least one lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.15. The apparatus of claim 6 , wherein said composition further ...

Use of r-1233 in liquid chillers

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.

APPLICATION OF NANO COPPER IN CUTTING FLUID

The present invention provides an application of nano copper in a cutting fluid. The nano copper is self-dispersible nano copper with an organic long-carbon chain, wherein the surface of copper metal is coated with a long carbon chain organic matter, and the long chain organic matter is dialkyl dithiophosphoric acid (HDDP) and a derivative thereof. In the present invention, the nano copper substitutes functional additives which comprises one or more of a preservative, an anti-rust agent, a sterilizing agent, a compression-resisting agent and a lubricant to solve the technical problems of the existing fluid in the prior art being unable to simultaneously have efficient anti-corrosion, anti-rust, compression-resistant, lubricating and sterilizing properties as well as the variety, the relatively high amount, the high cost and the limited selection of added additives. 1. An application of nano copper in a cutting fluid , wherein the nano copper is self-dispersible nano copper with an organic long-carbon chain.2. The application of the nano copper in the cutting fluid according to claim 1 , wherein the nano copper is a copper metal surface coated with a long-carbon chain organic matter; the long-carbon chain organic matter is dialkyl dithiophosphate (HDDP) and a derivative thereof; and the carbon number of the long-carbon chain is greater than 8 claim 1 , and the cutting fluid is an aqueous cutting fluid.3. The application of the nano copper in the cutting fluid according to claim 2 , wherein the mass percentage claim 2 , in the cutting fluid claim 2 , of the nano copper is 1%-10%; and the nano copper is paste with a particle size of10-50 nm .4. The application of the nano copper in the cutting fluid according to claim 3 , wherein the nano copper substitutes part or all of the functional additives in the cutting fluid claim 3 , and the functional additives comprise one or more of a preservative claim 3 , an anti-rust agent claim 3 , a sterilizing agent claim 3 , a ...

High Elastohydrodynamic Shear Strength Fluid Compositions

A lubrication fluid including cyclic hydrocarbons in combination with dimethylsilicone fluids and/or di-alkyl or di-cycloalkyl or alkyl-cycloalkyl, or mixtures thereof, and di-end-capped polypropylene oxides or highly branched esters to produce very high traction elastohydrodynamic (EHD) traction fluids and to modify the low temperature viscometric properties of the mixed fluids without adversely affecting the very high elastohydrodynamic shear strength or traction coefficients of the very high shear strength cyclic hydrocarbon fluid in the resulting mixed fluids with improved low temperature viscosity. 1. A lubrication fluid comprising:a polycyclic hydrocarbon fluid and a dimethylsiloxane compound having a viscosity range of 20 cSt at 77° F. or greater, wherein said dimethylsiloxane compound is present in an amount ranging from 0.1 wt. % and 25 wt. % by based on the lubricating fluid, and said dimethylsiloxane fluid contains not more than 10 wt. % of functional groups other than methyl functional groups.2. The composition according to claim 1 , wherein the polycyclic hydrocarbon fluid is a perhydro dimer of alpha-methylstyrene.3. The composition according to claim 1 , wherein the polycyclic hydrocarbon fluid is a linear perhydro dimer of alpha-methylstyrene.4. The composition according to claim 1 , wherein the dimethylsiloxane compound has a viscosity of at least 20 cS at 77° F. but not greater than 50 cS at 77° F.5. A lubrication fluid comprising:a polycyclic hydrocarbon fluid;a polypropyleneoxide composition present in an amount ranging from 0.1 wt. % to 25 wt. % of the lubricating fluid; anda dimethylsiloxane compound having a viscosity range of 20 cSt at 77° F. or greater, wherein said dimethylsiloxane compound is present in an amount ranging from 0.1 wt. % and 25 wt. % by based on the lubricating fluid, and said dimethylsiloxane fluid contains not more than 10 wt. % of functional groups other than methyl functional groups.6. The composition according to claim ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising trans-HFC-1234ze and HFC-227ea; wherein said trans-HFC-1234ze is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said trans-HFC-1234ze is present at about 40 weight percent to about 99 weight percent.8. The composition of claim 6 , wherein said trans-HFC-1234ze is present at about 50 weight percent to about 99 weight percent.9. The composition of claim 6 , consisting essentially of about 20 weight percent to about 80 weight percent trans-HFC-1234ze and about 80 weight percent to about 20 weight percent HFC-227ea.10. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.11. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.12. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.13. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.14. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf , HFC-32 and HFC-125; wherein said HFC-1234yf is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said HFC-1234yf is present at about 20 weight percent to about 80 weight percent.8. The composition of claim 6 , wherein said HFC-1234yf is present at about 20 weight percent to about 70 weight percent.9. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.10. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.11. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.12. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.13. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and thereafter evaporating said composition.14. A method for replacing a high GWP refrigerant in a refrigeration claim 6 , air-conditioning claim 6 , or heat pump apparatus claim 6 , wherein said high GWP refrigerant ...

METHOD FOR PREVENTING OR MINIMIZING ELECTROSTATIC DISCHARGE AND DIELECTRIC BREAKDOWN IN ELECTRIC VEHICLE POWERTRAINS

This disclosure relates to a method for preventing or minimizing electrostatic discharge and dielectric breakdown in an electric vehicle powertrain by controlling electrical conductivity over a lifetime of a lubricating oil in an electric vehicle powertrain lubricated with the lubricating oil. The lubricating oil has a composition including a lubricating oil base stock as a major component, and an additive package as a minor component comprising one or more lubricating oil additives, and an effective amount of one or more conductivity agents, as a minor component. The lubricating oil has an electrical conductivity from 10 pS/m to 20,000 pS/m, a dielectric constant of 1.6 to 3.6, with a ratio of electrical conductivity-to-dielectric constant from 1,000 to 10,000. Also provided are methods for obtaining a desired electrical conductivity-to-dielectric constant ratio of a lubricating oil for an electric powertrain and powertrain components and methods for lubricating an electric vehicle powertrain and powertrain components. 1. A method for preventing or minimizing electrostatic discharge and dielectric breakdown in an electric vehicle powertrain , said method comprising providing to an electric vehicle powertrain a lubricating oil having a composition comprising: a lubricating base oil as a major component; an additive package , as a minor component , comprising one or more lubricating oil additives; and an effective amount of one or more conductivity agents , as a minor component; wherein the lubricating oil has an electrical conductivity from about 10 pS/m to about 20 ,000 pS/m , a dielectric constant of about 1.6 to about 3.6 , and a ratio of electrical conductivity-to-dielectric constant from about 1 ,000 to about 10 ,000.2. The method of wherein the lubricating oil has an electrical conductivity from about 1 claim 1 ,000 pS/m to about 16 claim 1 ,000 pS/m.3. The method of wherein the lubricating oil has a dielectrical constant from about 1.8 to about 3.5.4. The ...

Lubricating compositions having improved shear stability

A lubricating composition with improved shear stability having a kinematic viscosity (Kv 100 ) from 5 to 32.5 cSt at 100° C., and a viscosity index from 140 to 200. The lubricating composition includes: a bi-modal blend lubricating oil including from 20 to 99 weight percent of a low viscosity basestock having a Kv 100 from 2 to 8 cSt at 100° C., and from 1 to 20 weight percent of a high viscosity basestock having a Kv 100 from 40 to 600 cSt at 100° C.; a viscosity modifier including a copolymer having units derived from monomers of (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified with an alcohol; and an alkylated aromatic co-base stock in an amount from 1 to 8 weight percent and having a Kv 100 from 3 to 15 cSt at 100° C.

Lubricant composition

Provided are: a lubricating oil composition that contains a base oil (A) containing an alkylnaphthalene (A1) and an ester compound (A2), wherein the content ratio of the component (A1) to the component (A2) [(A1)/(A2)] is 15/85 to 85/15 as a ratio by mass, and a tenter device using the lubricating oil composition. The lubricating oil composition has a small evaporation loss, has a suppressed amount of evaporation, maintains good fluidity and hardly causes adherence of residue even in long-term use in high-temperature environments.

UNIQUE OIL AS A SERVICE EVENT

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

PRODUCTION OF RENEWABLE BASE OIL AND DIESEL BY PRE-FRACTIONATION OF FATTY ACIDS

Methods are disclosed for producing renewable base oil and a diesel oil from low-value biological oils. Low-value biological oils containing free fatty acids and fatty acid esters can be processed into a renewable base oil and a renewable diesel oil by first separating at least part of the saturated free fatty acids from the feedstock and then processing separately this saturated free acid feed in a ketonisation reaction followed by hydrodeoxygenation and hydroisomerisation reactions to yield a renewable base oil stream. The remaining free fatty acid depleted feed may be processed in a separate hydrodeoxygenation and hydroisomerisation step to yield a renewable diesel stream. 1. A method for producing a renewable base oil from a feedstock of biological origin , the method comprising:a) providing a feedstock, the feedstock containing at least 5 wt % of a mixture of saturated free fatty acids and at most a remainder of one or more compounds selected from the list consisting of: unsaturated free fatty acids, fatty acid esters, fatty amides, fatty alcohols, as well as fatty acid glycerols such as mono-glycerides, di-glycerides and tri-glycerides of fatty acids; {'sub': 'n', 'a saturated fatty acid feed containing at least 90 wt % saturated Cfree fatty acids, no more than 3 wt % unsaturated free fatty acids, where n is selected from one of the integer values; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24; and one or more saturated fatty acid depleted feed(s);'}, 'b) separating the feedstock into at leastc) subjecting the saturated fatty acid feed to ketonisation reaction conditions where two fatty acids react to yield a ketone stream, the ketone stream including as a major part saturated ketones having a carbon number of 2n−1; andd) subjecting the ketone stream to both hydrodeoxygenation reaction conditions and to hydroisomerisation reaction conditions, simultaneously or in sequence, to yield a deoxygenated and isomerised base oil stream containing the ...

HYDRAULIC FLUIDS FROM RENEWABLE ISOPARAFFINS

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

COMPOSITION FOR USE IN OILS

A composition comprising a sheared antifoam solution/mixture with a mean particle size from about 0.01 microns to about 0.5 microns and a maximum particle size of less than about 1 micron. In this composition the sheared antifoam solution/mixture comprises antifoam solution/mixture comprising an antifoam and a base stock. 1. A composition comprising:a sheared antifoam mixture with a mean particle size from about 0.01 microns to about 0.5 microns and a maximum particle size of less than about 1 micron,wherein the sheared antifoam mixture comprises antifoam mixture comprising an antifoam and a base stock.2. The composition of claim 1 , wherein the antifoam is selected from the group consisting of: organo-modified siloxane claim 1 , silicone claim 1 , flurosilicone claim 1 , polyacrylate and combinations thereof.3. The composition of claim 1 , wherein the base stock is selected from the group consisting of: esters claim 1 , polyalkylene glycols claim 1 , alkylated naphthalenes claim 1 , polyalphaolefins claim 1 , petroleum mineral oils based on aromatic claim 1 , naphthenic or paraffinic crude oils claim 1 , or combinations thereof.4. The composition of claim 1 , wherein the antifoam mixture does not contain a solubilizing agent.5. The composition of claim 1 , wherein the amount of antifoam ranges from about 20 wt % to about 80 wt % of the antifoam mixture.6. The composition of claim 1 , wherein the amount of antifoam ranges from about 40 wt % to about 60 wt % of the antifoam mixture.7. The composition of claim 1 , wherein the amount of base stock ranges from about 20 wt % to about 80 wt % of the antifoam mixture.8. The composition of claim 1 , wherein the amount of base stock ranges from about 30 wt % to about 70 wt % of the antifoam mixture.9. The composition of claim 1 , wherein the amount of base stock ranges from about 40 wt % to about 60 wt % of the antifoam mixture.10. The composition of claim 1 , wherein the antifoam mixture is sheared with a shear device to ...

COMPRESSOR OIL WITH BIOBASED BASE OIL

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

GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS

A grease composition is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, as well as molybdenum disulfide and/or tungsten disulfide. Further, a constant velocity joint comprises the grease composition. 116-. (canceled)17. A grease composition for use in constant velocity joints comprisinga) at least one base oil;b) at least one thickener;c) zinc sulfide in an amount between approximately 0.1 wt-% and approximately 2.0 wt-% of a total amount of the grease composition; andd) at least one of molybdenum disulfide and tungsten disulfide in an amount between approximately 0.5 wt-% and approximately 5.0 wt-% of the total amount of the grease composition;wherein the ratio between the amount of the at least one of molybdenum disulfide and tungsten disulfide to the amount of zinc sulfide is in a range between approximately 3:1 to approximately 10:1.18. The grease composition of claim 17 , wherein a total amount of zinc sulfide and the at least one of molybdenum disulfide and tungsten disulfide is less than or equal to approximately 7 wt-% of the total amount of the grease composition.19. The grease composition of claim 17 , further comprising at least one organic sulphur-additive in an amount between approximately 0.2 wt-% and approximately 1.0 wt-% of the total amount of the grease composition.20. The grease composition of claim 19 , characterized in that the at least one organic sulphur-additive comprises sulphur in an amount of at least approximately 10 wt-% of the amount of the organic sulphur-additive.21. The grease composition of claim 17 , further comprising at least one organic phosphor-additive in an amount between approximately 0.2 wt-% and approximately 1.0 wt-% of the total amount of the grease composition.22. The grease ...

Lubricating oil compositions having improved cleanliness and wear performance

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

LUBRICANT COMPOSITIONS COMPRISING POLYMERIC DIPHENYLAMINE ANTIOXIDANTS

Disclosed in certain embodiments is a lubricating oil composition comprising an antioxidant polymer (e.g., oligomer) composition comprising repeat units of diphenylamine monomers of formula I 2. The lubricating oil composition according to claim 1 , comprising one or more components selected from the group consisting of other antioxidants claim 1 , antiwear additives claim 1 , viscosity index improvers claim 1 , detergents claim 1 , dispersants claim 1 , pour point depressants claim 1 , corrosion inhibitors claim 1 , metal deactivators claim 1 , seal compatibility additives claim 1 , antifoam agents claim 1 , inhibitors claim 1 , antirust additives claim 1 , and friction modifiers.3. The lubricating oil composition according to claim 1 , wherein the Mn of the polymer composition is from about 400 g/mol to about 5000 g/mol.4. The lubricating oil composition according to claim 1 , wherein R claim 1 , R claim 1 , Rand Rare each independently H or a linear or branched C-Calkyl.5. The lubricating oil composition according to claim 1 , wherein R is H.6. The lubricating oil composition according to claim 1 , wherein the polymer composition further comprises one or more monomers selected from the group consisting of other diphenylamines claim 1 , phenothiazines claim 1 , phenoxazines claim 1 , aminodiphenylamines claim 1 , methylenedianiline claim 1 , toluenediamine claim 1 , aminophenols claim 1 , alkylphenols claim 1 , thiophenols claim 1 , phenylenediamines claim 1 , quinolines claim 1 , phenyl pyridinediamines claim 1 , pyridinepyrimidinediamines and phenylpyrimidinediamines.7. The lubricating oil composition according to claim 1 , wherein the polymer composition comprises from about 10 mol % to about 99 mol % diphenylamine monomers.8. The lubricating oil composition according to claim 1 , wherein the polymer composition comprises <70 wt % residual monomers of formula I.9. The lubricating oil composition according to claim 1 , wherein the polymer composition comprises ...

LUBRICATING OIL COMPOSITIONS WITH ENGINE WEAR PROTECTION

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

Compositions comprising a fluoroolefin

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

SYNTHETIC INDUSTRIAL LUBRICANTS WITH IMPROVED COMPATIBILITY

The invention relates to industrial gear oil compositions that have been specially designed to have improved storage stability and/or paint compatibility and/or seal compatibility. This improvement is achieved while maintaining good performance in other areas. These improvements are particularly relevant to synthetic lubricants, such as those made with polyalphaolefin (PAO) base oils. This balance of properties has been difficult to achieve in synthetic compositions where problems in the areas of storage stability, paint compatibility and/or seal compatibility of become more pronounced. The invention also relates to processes of making such compositions and methods of using the same. 1. An industrial lubricant composition comprising:(a) a synthetic base oil;(b) an industrial additive package; and(c) a compatibiliser;wherein the compatibiliser comprises a saturated alcohol.2. The industrial lubricant composition of wherein the compatibiliser comprises a branched claim 1 , primary claim 1 , saturated alcohol.3. The industrial lubricant composition of wherein the compatibiliser comprises a Guerbet alcohol.4. The industrial lubricant composition of wherein the compatibiliser comprises at least one compound with the structure: HO—CH—(R)—CRRRwhere Ris a alkylene group containing from 1 to 20 carbon atoms claim 1 , n is either 0 or 1 claim 1 , and each of R claim 1 , Rand Rare independently hydrogen or alkyl groups containing from 1 to 20 carbon atoms.5. The industrial lubricant composition of wherein the alcohol contains from 12 to 28 carbon atoms.6. The industrial lubricant composition of wherein the compatibiliser comprises 2-ethylhexanol claim 1 , 2-butyloctanol claim 1 , 2-hexyldecanol claim 1 , 2-octyldodecanol claim 1 , 2-decyltetradecanol claim 1 , 2-dodecylhexadecanol claim 1 , or any combination thereof.7. The industrial lubricant composition of wherein the compatibiliser is present in the industrial gear oil composition at 1 percent by weight or more.8. The ...

HEAT TRANSFER METHODS, SYSTEMS AND COMPOSITIONS

The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CFI) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A. 1. A heat transfer composition comprising a refrigerant consisting of:from 48% by weight to 51% by weight difluoromethane (HFC-32),11.5%+/−1% by weight pentafluoroethane (HFC-125), andfrom 36.5% by weight to 40.5% by weight trifluoroiodomethane (CF3I), wherein said refrigerant is non-flammable when tested in accordance with ASTM E681-2009 as required in ASHRAE Standard 34-2013 and described in Appendix B1 to ASHRAE Standard 34-2013.2. The heat transfer composition of wherein said CF3I is present in said refrigerant in an amount of about 38.5% by weight.3. The heat transfer composition of wherein said HFC-125 is present in said refrigerant in an amount of 11.5%+/−0.5% by weight.4. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.5. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.6. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.7. The heat transfer composition of further comprising a polyol ester (POE) lubricant.8. A method of cooling air in a heat transfer system of the type having an evaporator claim 1 , a condenser claim 1 , a compressor and heat transfer composition in the system claim 1 , the method comprising: from 48% by weight to 51% by weight difluoromethane (HFC-32),', '11.5% by weight pentafluoroethane (HFC-125), and', 'from about 36.5% by weight to about 40.5% by weight ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises from about 10% by weight to 100% by weight of trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 1. A heat transfer compositions comprising refrigerant , lubricant and stabilizer , said refrigerant comprising from about 5% by weight to 100% by weight of trifluoroiodomethane (CFI) , said lubricant comprising polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant , and said stabilizer comprising alkylated naphthalene , wherein said alkylated naphthalene is present in the composition in an amount of from 1% to less than 10% by weight based on the weight of the alkylated naphthalene and the lubricant.2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition of wherein said stabilizer further comprises an acid depleting moiety (ADM).6. The heat transfer composition of wherein said stabilizer comprises from about 50% by weight to about 99.9% of alkylated naphthalenes and from 0.05% to about 50% by weight of ADM based on the weight of the stabilizer.7. The heat transfer composition of wherein said stabilizer comprises from about ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises about 49% by weight difluoromethane (HFC-32), about 11.5% by weight pentafluoroethane (HFC-125), and about 39.5% by weight trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 1. A heat transfer compositions comprising refrigerant , lubricant and stabilizer , said refrigerant consisting essentially of the following three compounds , with each compound being present in the following relative percentages:about 49% by weight difluoromethane (HFC-32),about 11.5% by weight pentafluoroethane (HFC-125), and{'sub': '3', 'about 39.5% by weight trifluoroiodomethane (CFI), wherein (i) said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, (ii) said stabilizer comprises alkylated naphthalene, and (iii) said alkylated naphthalene is present in the composition in an amount of from 1% to less than 10% by weight based on the weight of the alkylated naphthalene and the lubricant.'}2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition wherein said lubricant is a PVE lubricant.6. The heat transfer composition ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises 39 to 45% by weight difluoromethane (HFC-32), 1 to 4% by weight pentafluoroethane (HFC-125), and 51 to 57% by weight trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition wherein said lubricant is PVE lubricant.6. The heat transfer composition wherein said stabilizer further comprises an acid depleting moiety (ADM).7. The heat transfer composition wherein said stabilizer comprises from about 40% by weight to about 99.9% of alkylated naphthalene and from 0.05% to about 50% by weight of ADM based on the weight of the stabilizer.8. The heat transfer composition of wherein said alkylated naphthalene comprises AN5.9. The heat transfer composition of wherein said stabilizer further comprises a phenol.10. The heat transfer composition of wherein said phenol comprises BHT.11. The heat transfer composition of wherein said stabilizer alkylated naphthalene comprises AN10.12. The heat transfer composition of wherein said stabilizer further comprises a phenol.13. The heat transfer composition ...

ADDITIVE COMPOSITION FOR IMPROVEMENT OF MISCIBILITY OF LUBRICANTS IN AIR-CONDITIONING AND REFRIGERATION SYSTEMS

A lubricant additive for introduction into an AC/R system to improve lubricant miscibility and performance in the AC/R system. 1. A device comprising:a lubricant additive composition including a miscibility agent and a hydrolytic agent, wherein the miscibility agent includes a polyolester.2. The device of claim 1 , wherein the lubricant additive composition includes at least about 30 wt % of the polyolester.3. The device of claim 1 , wherein the hydrolytic agent includes at least one of an orthoester claim 1 , an acetal claim 1 , an epoxide claim 1 , or a carbodiimine.4. The device of claim 1 , wherein the hydrolytic agent includes a triethylorthoformate.5. The device of claim 4 , wherein the lubricant additive composition includes about 20 wt % to about 40 wt % of the triethylorthoformate.6. The device of claim 1 , wherein the lubricant additive composition includes at least one of a fluorescent dye or a performance enhancing agent.7. The device of claim 6 , wherein the performance enhancing agent includes at least one of an antioxidant claim 6 , a thermal stabilizer claim 6 , an anticorrosion additive claim 6 , a metal deactivator claim 6 , an acid neutralizer claim 6 , or an antiwear additive.8. The device of claim 7 , wherein at least one of the antioxidant or the thermal stabilizer includes at least one of a phenol or a phenyl-alphnaphthylamine.9. The device of claim 7 , wherein the anticorrosive agent includes an alkenyl sucking acid derivative.10. The device of claim 7 , wherein the anticorrosive agent includes a phosphate ester.11. The device of claim 1 , wherein the lubricant additive composition includes a metal deactivator additive.12. The device of claim 11 , wherein the metal deactivator additive includes a tolutriazole.13. The device of claim 7 , wherein the acid neutralizer includes at least one of a metal alkoxide claim 7 , a carbodiimide claim 7 , a glycidyl ether claim 7 , an epoxide claim 7 , an alkanolamine claim 7 , an arylamine claim 7 , an ...

HEAT TRANSFER FLUID

Compositions which are based on tetrafluoropropene and more particularly relates to compositions inclduing 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane. 112-. (canceled)13. A heat transfer fluid comprising:60% to 90% by weight of 2,3,3,3-tetrafluoropropene; and10% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.14. The heat transfer fluid of comprising:60% to 79% by weight of 2,3,3,3-tetrafluoropropene; and21% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.15. The heat transfer fluid of comprising:60% to 70% by weight of 2,3,3,3-tetrafluoropropene; and30% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.16. The heat transfer fluid of comprising:60% to 65% by weight of 2,3,3,3-tetrafluoropropene; and35% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.17. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 13 , ascorbic acid claim 13 , terephthalic acid claim 13 , azoles claim 13 , phenolic compounds claim 13 , epoxides claim 13 , phosphites claim 13 , phosphates claim 13 , phosphonates claim 13 , thiols and lactones.18. The composition of claim 17 , wherein the stabilizer represents at most 5% by weight relative to the heat transfer fluid.19. A composition comprising the heat transfer fluid of and a lubricant selected from the group consisting of mineral oil claim 13 , alkylbenzene claim 13 , polyalkylene glycol and polyvinyl ether.20. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 16 , ascorbic acid claim 16 , ...

GREASE COMPOSITION INCLUDING COPPER SULFIDE FOR CONSTANT VELOCITY JOINTS

A grease composition is intended primarily for use in constant velocity joins (CV joints), especially ball joints and/or tripod joints, which are used in the drivelines of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, and least one thickener, at least one copper sulfide in an amount of approximately 0.01 wt-% up to approximately 1.5 wt-% of the grease composition, molybdenum disulfide and/or at least one phosphor-free organic molybdenum complex in an amount of approximately 0.1 wt-% up to approximately 5.0 wt-% of the grease composition. Further, a constant velocity joint comprises the grease composition. 116-. (canceled)17. A grease composition for use in constant velocity joints comprisinga) at least one base oil;b) at least one thickener;c) at least one copper sulfide in an amount between approximately 0.01 wt-% and approximately 1.5 wt-% of a total amount of the grease composition; andd) at least one of molybdenum disulfide and at least one phosphor-free organic molybdenum complex in an amount between approximately 0.1 wt-% and approximately 5.0 wt-% of the total amount of the grease composition.18. The grease composition of claim 17 , wherein the at least one copper sulfide is copper(II)sulfide (CuS).19. The grease composition of claim 17 , wherein a ratio between the amount of the at least one of molybdenum disulfide and at least one phosphor-free organic molybdenum complex and the amount of the at least one copper sulfide is in a range between approximately 1:1 to approximately 15:1.20. The grease composition of claim 17 , wherein a total amount of the at least one copper sulfide and the at least one of molybdenum disulfide and at least one phosphor-free organic molybdenum complex is less than or equal to approximately 6.5 wt-% of the total amount of the grease composition.21. The grease composition of claim 17 , further comprising at least one organic sulfur-additive in an amount between ...

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME

Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents. 1. A method of transferring heat to , or from , a fluid or body , said method comprising contacting said fluid or body with a heat transfer composition comprising a refrigerant comprising HFO-1234ze , wherein the HFO-1234ze is at least 90% by weight transHFO-1234ze.2. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of 5% to 99% by weight.3. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 50% by weight.4. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 70% by weight.5. The method of wherein the HFO-1234ze is at least 95% by weight transHFO-1234ze.6. The method of wherein the HFO-1234ze is at least 97% by weight transHFO-1234ze.7. The method of wherein the HFO-1234ze is no more than 10% by weight cisHFO-1234ze.8. The method of wherein the HFO-1234ze is no more than 5% by weight cisHFO-1234ze.9. The method of wherein the HFO-1234ze is no more than 3% by weight cisHFO-1234ze.10. The method of comprising the steps of (1) evaporating the heat transfer composition to produce refrigerant vapor claim 1 , (2) compressing the refrigerant vapor to produce compressed refrigerant vapor claim 1 , (3) condensing the compressed refrigerant vapor to form refrigerant liquid claim 1 , and (4) reducing the pressure of the refrigerant liquid.11. The method of wherein the contacting occurs in an automobile air conditioning system.12. The method of wherein the contacting occurs in a commercial refrigeration system.13. The method of ...

HEAT TRANSFER SYSTEM WITH TRIBOFILM ON BEARING SURFACE

A heat transfer system is disclosed that includes a circulation loop of a heat transfer fluid that comprises a halocarbon. The circulation loop includes a compressor or pump that includes bearing rolling surfaces in contact with the heat transfer fluid. The bearing contact surface has a substrate a layer thereon that includes a polymer or oligomer having polar side groups and a tribofilm. 1. A heat transfer system comprising a circulation loop of a halocarbon heat transfer fluid , the circulation loop including a compressor or pump that includes bearing contact surfaces lubricated by the heat transfer fluid , said bearing contact surface comprising a metal substrate having thereon a layer comprising an oligomer comprising polar side groups or a polymer comprising polar side groups , and a tribofilm.2. The heat transfer system of claim 1 , wherein the heat transfer fluid comprises less than 0.008 wt. % of lubricant oils selected from polyol esters claim 1 , polyalkylene glycols claim 1 , polyvinyl ethers claim 1 , polyalpha olefins claim 1 , alkylbenzenes claim 1 , or mineral acids claim 1 , based on the total weight of the heat transfer fluid.3. The heat transfer system of claim 1 , wherein the heat transfer fluid comprises from 0.008 wt. % to 0.5 wt. % of lubricant oils selected from polyol esters claim 1 , polyalkylene glycols claim 1 , polyvinyl ethers claim 1 , polyalpha olefins claim 1 , alkylbenzenes claim 1 , or mineral acids claim 1 , based on the total weight of the heat transfer fluid.4. The heat transfer system of claim 1 , wherein the heat transfer fluid comprises from 0.1 wt. % to 3.0 wt. % of lubricant oils selected from polyol esters claim 1 , polyalkylene glycols claim 1 , polyvinyl ethers claim 1 , polyalpha olefins claim 1 , alkylbenzenes claim 1 , or mineral acids claim 1 , based on the total weight of the heat transfer fluid.5. The heat transfer system of claim 1 , wherein polar side groups comprise nitrogen or oxygen atoms.6. The heat transfer ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

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

LUBRICATING OIL COMPOSITION FOR SHOCK ABSORBER

Provided is a lubricating oil composition for a shock absorber, the lubricating oil composition being capable of emitting fluorescence by ultraviolet irradiation while ensuring thermal stability and abrasion resistance. This lubricating oil composition for a shock absorber contains, as components: (A) a base oil; (B) a hydrocarbon compound having a stilbene structure; and (C) a phosphite ester. 1. A lubricating oil composition for shock absorbers , the lubricating oil composition comprising:(A) a base oil;(B) a hydrocarbon compound having a stilbene structure; and(C) a phosphite ester.2. The composition according to claim 1 , wherein the component (A) contains a mineral oil as a major component.3. The composition according to claim 1 , wherein the content of the component (B) is 0.001% by mass or more and is 0.1% by mass or less claim 1 , on the basis of the total mass of the composition.4. The composition according to claim 1 , wherein the component (B) comprises p-bis(o-methylstyryl)benzene.5. The composition according to claim 1 , wherein the content of the component (C) is 0.01% by mass or more and is 3% by mass or less claim 1 , on the basis of the total mass of the composition.6. The composition according to claim 1 , wherein the component (C) has a hydrocarbon group containing 4 to 24 carbon atoms.7. The composition according to claim 1 , further comprising:at least one selected from the group consisting of an ash-free detergent dispersant, a metal-based detergent, a lubricity improver, an antioxidant, an anticorrosive, a metal deactivator, a viscosity index improver, a pour point depressant and a defoaming agent.8. The composition according to claim 1 , which is adapted to function as a lubricating oil composition in shock absorbers for four-wheeled vehicles.9. A process for preparing the composition of claim 1 , the process comprising mixing the component (A) claim 1 , the component (B) and the component (C). The present invention relates to a lubricating ...

Renewable Base Oil in Lubricant Formulations

A Crenewable base oil is disclosed that is suitable as a base oil to provide low viscosity base oils, such as having both low Noack volatility and low CCS-30° C. viscosity and/or to provide low viscosity base oils at the same time having a combination of acceptable HTHS and KV100 to allow the industry's base oil blenders to formulate high quality engine oils, such as SAE grade 0W-20, 0W-16, 0W-12 or 0W-8. 2. The lubricating oil composition according to claim 1 , wherein the at least one or more performance additives are selected from a list consisting of: antioxidants claim 1 , metal deactivators claim 1 , corrosion inhibitors claim 1 , detergents claim 1 , dispersants claim 1 , antiwear additives claim 1 , friction modifiers claim 1 , pour point depressants claim 1 , viscosity improvers claim 1 , foam inhibitors claim 1 , thickeners claim 1 , demulsifiers claim 1 , emulsifiers claim 1 , bactericides claim 1 , fungicides and tackiness additives.3. The lubricating oil composition according to claim 1 , being configured for meeting specifications for 0W-XX claim 1 , including any one of 0W-20 claim 1 , 0W-16 claim 1 , 0W-12 claim 1 , or 0W-8.4. (canceled)5. (canceled)6. The lubricating oil composition according to claim 1 , wherein the renewable base oil comprises at least one of:{'sub': '32', 'less than 20 wt % Cor higher alkanes;'}the alkanes including 70 wt % or more iso-alkanes; andless than 1 wt % of oxygen-containing compounds;weight percentages of hydrocarbons being measured using field ionisation mass spectrometry (FI-MS).7. The lubricating oil composition according to claim 1 , wherein the renewable base oil comprises:{'sub': '20', 'between 1 wt % and 20 wt % C-30 alkanes;'}{'sub': '32', 'between 0.1 wt % and 20 wt % Cor higher;'}{'sub': '25-32', 'between 1 wt % and 8 wt % Ccycloalkanes;'}less than 1 wt % aromatic hydrocarbons; andless than 2 wt % di-, tri-, tetra-naphthenes, or higher;weight percentages of the hydrocarbons being measured using field ...

LUBRICANT COMPOSITIONS HAVING IMPROVED OXIDATION PERFORMANCE

Disclosed are lubricant compositions with improved oxidation stability which are prepared with Group III base stocks comprising greater than or equal to about 90 wt. % saturated hydrocarbons (saturates); a viscosity index from 120 to 145; a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN); a unique ratio of branched carbons to straight chain (BC/SC) carbons; and a unique ratio of branched carbons to terminal chain (BC/TC) carbons. 1. A lubricating composition comprising:a Group III base stock comprising at least 90 wt. % saturated hydrocarbons, the Group III base stock having a kinematic viscosity at 100° C. (KV100) of 4.0 cSt to 12.0 cSt, a viscosity index of from 120 to 133, and a ratio of multi-ring naphthenes to single ring naphthenes (2R+N/1RN) of less than 0.43; andan effective amount of one or more lubricant additives;wherein the lubricating composition has an oxidation induction time greater than 120 minutes.2. The composition of claim 1 , wherein the base stock has a KV100 of from 4.0 cSt to 5.0 cSt.3. The composition of claim 1 , wherein the base stock has a KV100 is from 5.0 cSt to 7.0 cSt.4. The composition of claim 2 , wherein the viscosity index is 120 to 133 and is less than or equal to 142*(1−0.0025 exp(8*(2R+N/1RN))).5. The composition of claim 3 , wherein the viscosity index is 120 to 133 and is less than or equal to 150.07*(1−0.0106*exp(4.5*(2R+N/1RN))).6. An engine oil composition comprising:a Group III base stock, the Group III base stock having at least 90 wt. % saturated hydrocarbons, kinematic viscosity at 100° C. of from 4.0 cSt up to 5.0 cSt, a viscosity index of from 120 to less than 140, and a ratio of multi-ring naphthenes to single ring naphthenes (2R+N/1RN) of less than 0.45; andan effective amount of one or more lubricant additives;wherein the oil composition has an oxidation induction time greater than 120 minutes.7. The composition of claim 6 , wherein the viscosity index is 102 to 140 and is ...

LUBRICATING COMPOSITION COMPRISING AN ANTI-KNOCK COMPOUND

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

Additive composition for improvement of miscibility of lubricants in air-conditioning and refrigeration systems

A lubricant additive for introduction into a AC/R system to improve lubricant miscibility and performance in the AC/R system.

HEAT TRANSFER FLUID

Compositions which are based on tetrafluoropropene and more particularly relates to compositions including 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane. 1. A method of replacing R22 in a heat pump or air conditioner , the method comprising replacing a first heat transfer fluid of R22 with a second heat-transfer fluid comprising a composition consisting of 60% to 80% by weight of 2 ,3 ,3 ,3-tetrafluoropropene and 20% to 40% by weight of difluoromethane , and optionally a stabilizer.2. The method as claimed in claim 1 , wherein the composition consists of 60% to 70% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 30% to 40% by weight of difluoromethane claim 1 , and optionally a stabilizer.3. The method as claimed in claim 1 , wherein the composition consists of 65% to 70% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 30% to 35% by weight of difluoromethane claim 1 , and optionally a stabilizer.4. The method as claimed in claim 1 , wherein the composition consists of 75% to 80% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 20% to 25% by weight of difluoromethane claim 1 , and optionally a stabilizer.5. (canceled)6. (canceled)7. The method as claimed in claim 1 , wherein the composition consists of 60% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 40% of difluoromethane claim 1 , and optionally a stabilizer.8. The method as claimed in claim 1 , wherein the composition further contains the stabilizer.9. The method as claimed in claim 8 , wherein the stabilizer is selected from the group consisting of nitromethane claim 8 , ascorbic acid claim 8 , terephthalic ...

Phase change materials for enhanced heat transfer fluid performance

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

Use of amines and/or mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines

The present invention relates to the use of amines and/or Mannich adducts as detergents and/or dispersants in fuel and lubricant compositions for direct-injection gasoline engines. The invention further relates to fuel and lubricant compositions which comprise at least one such Mannich adduct, and also a bisaminoalkylated Mannich adduct.

Lubricant composition, method for producing lubricant composition, and continuously variable transmission

To provide a lubricating oil composition achieving both of high traction coefficient and excellent low temperature fluidity at a higher level and having a high flash point, which contains a naphthene-based synthetic oil (a) having a flash point of 140° C. or higher, and an ester (b) having 5 to 32 carbon atoms and having a branched chain, wherein the content of the naphthene-based synthetic oil (a) based on the total amount of the composition is 35% by mass or more and less than 80% by mass, a method for producing the lubricating oil composition, and a continuously variable transmission using the lubricating oil composition.

Lubricating composition

A lubricating composition for use in the crankcase of an engine comprising a base oil and one or more additives, wherein the lubricating composition comprises from 0.01 wt % to 5 wt %, by weight of the lubricating composition, of one or more liquid crystal compounds, wherein the one or more liquid crystal compounds is a terphenyl compound. The lubricating composition provides improvements in terms of reduced friction and wear, in addition to improved fuel economy performance.

Additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material

An additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material, consisting essentially of (A) from 1 to 50% by weight of an olefin-sulfur dioxide copolymer, (B) from 1 to 50% by weight of a compound which comprises one or more basic nitrogen atoms and has at least one relatively long-chain linear or branched hydrocarbon radical having at least four carbon atoms or an equivalent structural element which ensures the solubility of component (B) in the inanimate organic material, (C) from 0.1 to 30% by weight of an oil-soluble acid and (D) from 1 to 80% by weight of a high-boiling organic solvent which consists of one or more molecule types, where at least 80% by weight of these molecule types have a boiling point of more than 150° C. at standard pressure, where the sum of all components adds up to 100% by weight.

Refrigerant composition

A refrigerant composition including trifluoroiodomethane, difluoromethane, pentafluoroethane, and at least one of hexafluoroethane or trifluoromethane is disclosed. The composition exhibits a lower global warming potential and improved thermodynamic properties compared to R-410A.

HYDROFLUOROCARBON/TRIFLUOROIODOMETHANE/HYDROCARBONS REFRIGERANT COMPOSITIONS

A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C-Chydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C-Chydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems. 1. A composition comprising:{'sub': '1', '(a) from about 40 weight percent to about 99.8 weight percent of at least one C-C5 hydrofluorocarbon; and'}{'sub': '3', '(b) from about 0.1 weight percent to about 50 weight percent of CFI;'}{'sub': 'i', '(c) from about 0.1 weight percent to about 10 weight percent of at least one C-C6 hydrocarbon.'}2. The composition of wherein the at least one C-C5 hydrofluorocarbon is present in an amount of from about 72 weight percent to about 99.8 weight percent.3. The composition of wherein the CFI is present in an amount of from about 0.1 weight percent to about 20 weight percent.4. The composition of wherein the at least one C-C6 hydrocarbon is present in an amount of from about 0.1 weight percent to about 8 weight percent.5. The composition of wherein the at least one C-C5 hydrofluorocarbon is present in an amount of from about 72 weight percent to about 99.8 weight percent; the CFI is present in an amount of from about 0.1 weight percent to about 20 weight percent; and the at least one C-C6 hydrocarbon is present in an amount of from about 0.1 weight percent to about 8 weight percent.6. The composition of wherein the at least one C-C5 hydrofluorocarbon is present in an amount of from about 85 weight percent to about 99.8 weight percent.7. The composition of wherein the CFI is present in an amount of from about 0.1 weight percent to about 10 weight percent.8. The composition of wherein the at least one C-C6 hydrocarbon is present in an amount of from about 0.1 weight percent to about 5 weight percent.9. The composition of wherein the at least one C-0hydrofluorocarbon ...

Lubricant Base Stock Blends

Disclosed is a lubricant base stock blend comprising a PAO base stock and an alkylated aromatics (AA) base stock, wherein at least the longer portion of the pendant groups attached to the carbon backbones of the PAO molecules have comparable length to at least the longer portion of the side chain groups attached to the aromatic ring structure of the AA molecules. The comparable lengths of at least the longer portion of the pendant groups and the side chain groups lead to enhanced improvement in oxidation stability of the blend. 1. A lubricant base stock blend comprising a PAO base stock and an alkylated aromatic base stock , wherein:each molecule of the PAO base stock comprises a plurality of pendant groups;the longest 5%, by mole, of the pendant groups of all of the molecules of the PAO base stock have an average pendant group length of Lpg(5%);each molecule of the alkylated aromatic base stock comprises one or more side chain group;the longest 5%, by mole, of all of the side chain groups of all of the molecules of the alkylated aromatic base stock have an average side chain group length of Lsc(5%); andthe difference between Lsc(5%) and Lpg(5%) is at most 8.0.2. The lubricant base stock blend of claim 1 , wherein:the longest 10%, 20%, 40%, 50%, and 100%, by mole, of the pendant groups of all of the molecules of the PAO base stock have an average pendent group length of Lpg(10%), Lpg(20%), Lpg(40%), Lpg(50%), and Lpg(100%), respectively;the longest 10%, 20%, 40%, 50%, and 100%, by mole, of all of the side chain groups of all of the molecules of the alkylated aromatic base stock have an average side chain group length of Lsc(10%), Lsc(20%), Lsc(40%), Lsc(50%), and Lsc(100%), respectively; and at least one of the following conditions is met:(i) |Lsc(10%)−Lpg(10%)|≤8.0;(ii) |Lsc(20%)−Lpg(20%)|≤8.0;(iii) |Lsc(40%)−Lpg(40%)|≤8.5;(iv) |Lsc(50%)−Lpg(50%)|≤9.0; and(v) |Lsc(100%)−Lpg(100%)|≤9.5.3. The lubricant base stock blend of claim 1 , wherein at least one of the ...

REFRIGERATING MACHINE OIL AND COMPOSITION FOR REFRIGERATING MACHINES

The present invention relates to a refrigerator oil containing (A) a mineral oil having a kinematic viscosity at 40° C. of 0.50 mm/s or more and 8.00 mm/s or less, (B) a polyphosphate ester-based compound, and (C) a dissolution aid for the component (B). 1. A refrigerator oil , comprising:{'sup': 2', '2, '(A) a mineral oil having a kinematic viscosity at 40° C. of 0.50 mm/s or more and 8.00 mm/s or less;'}(B) a polyphosphate ester-based compound; and(C) a dissolution aid for the polyphosphate ester-based compound (B).2. The refrigerator oil according to claim 1 , wherein a content of the polyphosphate ester-based compound (B) is 0.1% by mass or more and 10.0% by mass or less relative to a total amount of the refrigerator oil.3. The refrigerator oil according to claim 1 , wherein a ratio by mass of a content of the dissolution aid (C) to a content of the polyphosphate ester-based compound (B) [(C)/(B)] is 2.0 or more and 80 or less.4. The refrigerator oil according to claim 1 , wherein a ratio by mass of a content of the dissolution aid (C) to a content of the mineral oil (A) [(C)/(A)] is 2.0 or less.5. The refrigerator oil according to claim 1 , wherein the dissolution aid (C) is at least one selected from the group consisting of an oxygen-containing organic compound and an aromatic hydrocarbon compound.6. The refrigerator oil according to claim 1 , wherein the dissolution aid (C) is at least one selected from the group consisting of poly(oxy)alkylene glycols claim 1 , polyvinyl ethers claim 1 , polyol esters claim 1 , copolymers of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether claim 1 , alkylbenzenes claim 1 , and alkylnaphthalenes.8. The refrigerator oil according to claim 1 , which has a flash point of 21° C. or higher.9. The refrigerator oil according to claim 1 , which has a kinematic viscosity at 40° C. of 0.40 mm/s or more and 8.00 mm/s or less.10. The refrigerator oil according to claim 1 , which is adapted to function as a ...

System and Method for Enhancing Hydraulic Fluids for Down Hole Use

An enhanced hydraulic fluid comprises a conventional hydraulic fluid in combination with a predetermined amount of benzene by volume relative to the conventional hydraulic fluid. The predetermined amount of benzene preferably comprises between about 1.0% to about 20.0% benzene by volume, more preferably between about 1.5% to about 10.0% benzene by volume, and most preferably between about 2.0% to about 5.0% benzene by volume. The conventional hydraulic fluid may comprise electronics coolant liquids and oils. Conventional hydraulic fluids that may be mixed with benzene in the volumes described above include, but are not limited to, FLUORINERTS™ that include FC-43 and FC-70, including any perfluorinated, partially fluorinated, or partially chlorinated alkane with between about 3 to about 18 carbon atoms; mineral oils that include CAPELLA™ brand mineral oil; esther oils (synthetic or natural) that include formidals, and MIDEL™ brand esther oils. 188. An enhanced hydraulic fluid [] comprising:a base hydraulic fluid; anda predetermined amount of benzene by volume relative to the hydraulic fluid, the predetermined amount of benzene comprises between about 1.0% to about 20.0% benzene by volume.2. The enhanced hydraulic fluid of claim 1 , wherein the predetermined amount of benzene comprises between about 1.5% and 10.0% benzene by volume.3. The enhanced hydraulic fluid of claim 1 , wherein the predetermined amount of benzene comprises between about 2.0% and 5.0% benzene by volume.4. The enhanced hydraulic fluid of claim 1 , wherein the base hydraulic fluids comprises at least one of: an electronic coolant liquid; a perfluorinated claim 1 , partially fluorinated claim 1 , or partially chlorinated alkane with between about 3 to about 18 carbon atoms; a mineral oil; a synthetic esther oil; a natural esther oil; and a formidal.5. The enhanced hydraulic fluid of claim 1 , wherein the benzene comprises an alkylbenzene.6. The enhanced hydraulic fluid of claim 5 , wherein the ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf and HFC-152a.7. The composition of claim 6 , comprising from about 40 to about 99 weight percent HFC-1234yf and about 60 to about 1 weight percent HFC-152a.8. The composition of claim 6 , comprising from about 40 to about 91 weight percent HFC-1234yf and about 60 to about 9 weight percent HFC-152a.9. The composition of claim 6 , further comprising at least one additional compound selected from the group consisting of HFC-32 claim 6 , HFC-134a claim 6 , and HFC-227ea.10. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.11. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.12. The composition of claim 11 , wherein said stabilizer is selected from the group consisting of nitromethane claim 11 , hindered phenols claim 11 , hydroxylamines claim 11 , thiols claim 11 , phosphites and lactones.13. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.14. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and thereafter evaporating said composition.15. A method for replacing a high GWP ...

PHOTOLUMINESCENT LUBRICATING GREASE COMPOSITION, PHOTOLUMINESCENT MATERIAL AND THE PREPARATION METHODS THEREOF

A silole derivative is of formula (I): 4. The method according to claim 3 , characterized in that claim 3 , the molar ratio between the silole compound of formula (III-1) and the one or more alkyne compounds of formula (III-1′) claim 3 , (II-2′) claim 3 , (III-3′) claim 3 , (III-4′) claim 3 , (III-5′) and (III-6′) is 0.1-10:1 claim 3 , preferably 0.2-5:1; the reaction temperature is 0-50° C. claim 3 , preferably 15-35° C.5. The method according to claim 3 , characterized in that claim 3 , a catalyst is added to the reaction of the silole compound of formula (III-1) with the one or more alkyne compounds of formula (III-1′) claim 3 , (II-2′) claim 3 , (III-3′) claim 3 , (III-4′) claim 3 , (III-5′) and (III-6′); the catalyst is preferably one or more of metal phosphine complexes claim 3 , metal halides claim 3 , hydrocarbyl phosphine compounds and azo compounds claim 3 , more preferably a mixture of metal phosphine complexes claim 3 , metal halides and hydrocarbyl phosphine compounds claim 3 , wherein the molar ratio of the three is 1:0.1-10:0.1-10.7. The method according to claim 6 , characterized in that claim 6 , the molar ratio between the silole compound of formula (III-1-1) and the one or more compounds of formula (III-1′-1) claim 6 , (III-2′-1) claim 6 , (III-3′-1) claim 6 , (III-4′-1) claim 6 , (III-5′-1) and (III-6′-1) in the reacting is 0.1-10:1 claim 6 , preferably 0.2-5:1; the reaction temperature is 0-50° C. claim 6 , preferably 15-35° C.8. The method according to claim 6 , characterized in that claim 6 , a catalyst is added to the reaction of the silole compound of formula (III-1-1) with the one or more compounds of formula (III-1′-1) claim 6 , (III-2′-1) claim 6 , (III-3′-1) claim 6 , (III-4′-1) claim 6 , (III-5′-1) and (III-6′-1); the catalyst is preferably one or more of metal phosphine complexes claim 6 , metal halides claim 6 , hydrocarbyl phosphine compounds and azo compounds; more preferably a mixture of metal phosphine complexes claim 6 , metal ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf , HFC-32 , and CFI.7. The composition of claim 6 , comprising from about 10 weight percent to about 80 weight percent HFC-1234yf claim 6 , from about 1 weight percent to about 70 weight percent HFC-32 claim 6 , and from about 1 weight percent to about 80 weight percent CFI.8. The composition of comprising:{'sub': '3', 'HFC-1234yf, HFC-32, HFC-134a, and CFI;'}{'sub': '3', 'HFC-1234yf, HFC-32, HFC-125, and CFI;'}{'sub': '3', 'HFC-1234yf, HFC-1225ye, HFC-32, and CFI;'}{'sub': 3', '3, 'HFC-1234yf, HFC-32, NH, and CFI;'}{'sub': '3', 'HFC-1234yf, HFC-1225ye, HFC-32, HFC-134a, and CFI; or'}{'sub': '3', 'HFC-1234yf, HFC-1225ye, HFC-32, HFC-125, and CFI.'}9. The composition of comprising:{'sub': '3', 'from about 5 weight percent to about 70 weight percent HFC-1234yf, from about 5 weight percent to about 80 weight percent HFC-32, from about 1 weight percent to about 70 weight percent HFC-134a, and from about 5 weight percent to about 70 weight percent CFI;'}{'sub': '3', 'from about 10 weight percent to about 80 weight percent HFC-1234yf, from about 5 weight percent to about 70 weight percent HFC-32, from about 10 weight percent to about 80 weight percent HFC-125, and from about 5 weight percent to about 80 weight percent CFI;'}{'sub': '3', 'from about 10 weight percent to about 80 weight percent HFC-1234yf, from about 10 weight percent to about 80 weight percent HFC-1225ye, from about 1 weight percent to about 60 weight percent HFC-32, and from about 1 weight percent to about 60 weight percent CFI;'}{'sub': 3', '3, ' ...

Cold Cranking Simulator Viscosity Boosting Base Stocks and Lubricating Oil Formulations Containing the Same

This disclosure relates to cold cranking simulator viscosity (“CCSV”) boosting base stocks that allow flexibility for engine oil formulations to meet both high and low temperature viscosity requirements while maximizing fuel efficiency. The CCSV-boosting base stocks can include C28-C60 hydrocarbon materials, linear esters, tertiary amides, dialkyl carbonates, aromatic alcohols, and aromatic ethers. This disclosure also relates to lubricating oil formulations containing the CCSV-boosting base stocks, and a method for improving fuel efficiency in an engine by using as engine oil a lubricating oil formulation containing one or more of the CCSV-boosting base stocks. 1. An oil composition consisting of a first base stock that is not an alkyl naphthalene-type base stock and a reference oil , wherein:the oil composition has a kinematic viscosity at 100° C. as determined by ASTM D445 (“KV100”) of KV100(oil) and a cold cranking simulator viscosity at a given temperature as determined by ASTM 5293 (“CCSV”) of CCSV(oil);the reference oil has a KV100 and CCSV of KV100(ref) and CCSV(ref), respectively, and [{'br': None, 'i': D', 'kv', 'KV', 'KV', 'KV, '−20<()=100×(100(oil)−100(ref))/100(ref)≤40; and\u2003\u2003(i)'}, {'br': None, 'i': D', 'ccsv', 'CCSV', 'CCSV', 'CCSV, '1≤()=100×((oil)−(ref))/(ref)≤10000.\u2003\u2003(ii)'}], 'the following conditions (i) and (ii) are met2. The oil composition of claim 1 , wherein the KV100 and CCSV of the oil composition meet the requirements for a SAE engine oil grade as determined by SAE J300 viscosity grade classification system.3. The oil composition of claim 1 , wherein the first base stock has a KV100 in the range from 3 to 12 cSt claim 1 , and a Noack volatility as determined by ASTM D5800 (NV) of at most 20%.5. The oil composition of claim 4 , wherein the first base stock comprises:a C28-C40 hydrocarbon material having a carbon backbone comprising 25 to 40 carbon atoms and on average no more than 3 branches attached to the carbon ...

TRACTION FLUID COMPOSITION

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

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME

Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents. 1. A method of transferring heat to , or from , a fluid or body , said method comprising contacting said fluid or body with a heat transfer composition comprising a refrigerant comprising HFO-1234ze and at least one co-refrigerant , wherein the HFO-1234ze is at least 90% by weight transHFO-1234ze.2. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 50% by weight.3. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 70% by weight.4. The method of wherein the HFO-1234ze is at least 97% by weight transHFO-1234ze.5. The method of wherein the HFO-1234ze is no more than 3% by weight cisHFO-1234ze.6. The method of comprising the steps of (1) evaporating the heat transfer composition to produce refrigerant vapor claim 1 , (2) compressing the refrigerant vapor to produce compressed refrigerant vapor claim 1 , (3) condensing the compressed refrigerant vapor to form refrigerant liquid claim 1 , and (4) reducing the pressure of the refrigerant liquid.7. The method of wherein the contacting occurs in an automobile air conditioning system.8. The method of wherein the contacting occurs in a commercial refrigeration system.9. The method of wherein the contacting occurs in a chiller.10. The method of wherein the contacting occurs in a residential refrigerator.11. The method of wherein the contacting occurs in a residential freezer.12. The method of wherein the contacting occurs in an air conditioning system.13. The method of wherein the contacting occurs in a heat pump. ...

GREASE COMPOSITION AND ROLLING BEARING

A grease composition includes alkylnaphthalene as base oil and a urea compound as thickening agent. The thickening agent is an alicyclic aliphatic diurea compound contained at a ratio of 4 mass % to 10 mass % based on the total mass of the grease composition. A pivot assembly bearing device is provided with rolling bearings filled with the above grease composition. A hard disk drive device is provided with a swing arm which is swingably supported by the pivot assembly bearing device. 1. A grease composition comprising:(a) alkylnaphthalene as a base oil; and(b) a urea compound as a thickening agent, whereinthe thickening agent (b) is an alicyclic aliphatic diurea compound and is contained at a ratio of 4 mass % to 10 mass % based on the total mass of the grease composition.2. The grease composition according to wherein the thickening agent (b) is contained at a ratio of 6 mass % to 10 mass % based on the total mass of the grease composition.3. The grease composition according to claim 1 , wherein {'br': None, 'i': X−Y', 'X]×, 'Age hardening rate (%)=[()/100'}, 'an age hardening rate calculated according to the following formula does not exceed 20% when the grease composition is left for 1000 hours under an environment of 100° C.'}where X is an unworked penetration of the grease composition before being left for 1000 hours under the environment of 100° C., and Y is an unworked penetration of the grease composition after being left for 1000 hours under the environment of 100° C.4. The grease composition according to claim 1 , wherein{'sup': 2', '2, 'an oil separation amount is between 200 mm/mg and 300 mm/mg, the oil separation amount being an area of an oil bleeding portion appearing on a medicine paper per mass of the grease composition, wherein'}the area of the oil bleeding portion emerging on the medicine paper is measured after the grease composition being left for 24 hours under an environment of 80° C., wherein the grease composition of 9 mg forming a column of ...

REFRIGERANT COMPRESSOR AND FREEZER/REFRIGERATOR INCLUDING SAME

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

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN SPARK-IGNITED INTERNAL COMBUSTION ENGINES

Fuel and lubricant compositions are provided that contain a primary low-speed pre-ignition (LSPI)-reducing additive comprising (i) an amino additive, (ii) an amine additive, (iii) a triazole additive, (iv) a benzamidinium additive, (v) a benzoxazole additive, or (vi) a N═C—X motif additive. Methods for preventing or reducing low speed pre-ignition events in spark-ignited engines using these compositions are also provided. 2. The fuel composition of claim 1 , wherein the amino additive is a beta-amino alkanol claim 1 , an amino acid claim 1 , or an amino ester.3. The fuel composition of claim 1 , wherein the amine additive is aromatic amine or aliphatic amine.4. The fuel composition of claim 1 , wherein the triazole additive is 5 claim 1 ,6-dimethylbenzotriazole.5. The fuel composition of claim 1 , wherein the primary LSPI-reducing additive is prolinol claim 1 , aliquat claim 1 , morphguam claim 1 , 2-aminobenzimidazole claim 1 , AHPD claim 1 , N claim 1 ,N-dimethyl-N-octylbenzamidinium-2-oxide claim 1 , benzoxazole claim 1 , 2-methylquinolin-8-amine claim 1 , or 2-aminobenzoxazole.6. The fuel composition of claim 1 , wherein the N═C—X motif additive is an amidine claim 1 , a guanidine claim 1 , an imidazole claim 1 , a benzamidine claim 1 , a benzimidazole claim 1 , or an amino benzimidazole.7. The fuel composition of claim 6 , wherein the amidine is 1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,2-dimethyl-1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,2-diethyl-1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,5-diazabicyclo[4.3.0]non-5-ene (DBN) claim 6 , 2-phenyl-1H-benzo[d]imidazole claim 6 , or 1 claim 6 ,8-diazabicyclo[5.4.0]-undece-7-ene (DBU).8. The fuel composition of claim 6 , wherein the guanidine is 1 claim 6 ,1 claim 6 ,3 claim 6 ,3-tetramethylguanidine (TMG) claim 6 , 2-tert-butyl-1 claim 6 ,1 claim 6 ,3 claim 6 ,3-tetramethylguanidine (BTMG) claim 6 , 1 claim 6 ,5 ...

Auxiliary Emergency Protective Lubrication System for Metal Mechanical Components

An auxiliary lubricant comprising a composition, the comprising intermediate molecular weight surfactant-functionalized nanoparticles dispersed in a base oil. 114-. (canceled)15. An auxiliary lubricant system comprising:an auxiliary lubricant reservoir configured to contain and release an auxiliary lubricant, said auxiliary lubricant comprising a composition comprising intermediate molecular weight surfactant-functionalized nanoparticles dispersed in a base oil wherein the intermediate molecular weight surfactant-functionalized nanoparticles comprise head groups adsorbed on nanoparticle surfaces, leaving intermediate molecular weight tails extended out and forming a boundary-like layer around the nanoparticle surfaces, said intermediate molecular weight tails having backbones 15-30 atoms in length;at least one fluid delivery device fluidly coupled to said auxiliary lubricant reservoir;at least one lubricant supply line fluidly coupled to said auxiliary lubricant reservoir;at least one system component fluidly coupled to said auxiliary lubricant reservoir via said at least one lubricant supply line, wherein said at least one system component is lubricated by a lubricant; andan off-normal instrumentation and control device coupled to said auxiliary lubricant reservoir configured to actuate at least one fluid delivery device to deliver said auxiliary lubricant to said at least one system component responsive to an off-normal system event.16. The auxiliary lubricant system of claim 15 , wherein nanoparticles comprises at least one of a carbon-containing phase and an inorganic phase.17. The auxiliary lubricant system of claim 15 , wherein said nanoparticles are functionalized with amphoteric surfactants containing alcohol claim 15 , amine claim 15 , carboxylic acid claim 15 , carbonate claim 15 , ester claim 15 , ether alcohol claim 15 , sulfate claim 15 , sulphonate claim 15 , phosphate claim 15 , phosphite claim 15 , or phosphonate head groups and intermediate ...

Marine fuel compositions with reduced engine frictional losses

Marine gas oil compositions corresponding to fuels and/or fuel blending components are provided that can provide improved friction properties within an engine. Addition of lubricant base stock to a marine gas oil composition can reduce frictional losses within an engine during operation. The benefits in reduction of frictional losses can be observed based on the difference between the indicated mean effective pressure and the actual work delivered by an engine, where the difference corresponds to the frictional mean effective pressure.

Oil, Lubricant Composition Having Improved Lubricity and Increased Coefficient of Performance, Uses and Mechanical Equipment

The present invention discloses an oil including at least one alkyl aromatic compound wherein the oil viscosity is lower than 3.0 cSt at the temperature of 40° C. The oil of the present invention shows a lower viscosity variation as a function of the temperature, what contributes to reduce the cooling system equipment wear and increase the equipment operation lifetime, for example, the operation lifetime of the cooling compressors. It also an object of the present invention a composition including said oil in combination with at least one fluid of the hydrocarbon (HC) type and its uses in mechanical equipments and mechanical equipments made with said oil and/or composition. 1. An oil characterized in that it comprises at least one alkyl aromatic compound wherein the oil viscosity is lower than 3.0 cSt at the temperature of 40° C.3. An oil according to claim 1 , characterized in that the oil viscosity is between 1.0 and 3.0 cSt at the temperature of 40° C.4. An oil according to claim 1 , characterized in that the oil viscosity is between 1.0 and below 2.5 cSt at the temperature of 40° C.5. An oil according to claim 1 , characterized in that the oil viscosity is between 1.0 and below 2.2 cSt at the temperature of 40° C.6. An oil according to claim 1 , characterized in that the total amount of hydrocarbon radicals bonded to the aromatic ring is between 1 and 12.7. An oil according to claim 1 , characterized in that at least 80% by mass of the oil consists of the at least one alkyl aromatic compound.8. An oil according to claim 1 , characterized in that it additionally comprises at least one additive selected from the group consisting of oxidation resistance enhancers claim 1 , thermal stability enhancers claim 1 , corrosion inhibitors claim 1 , metal deactivators claim 1 , lubricity additives claim 1 , viscosity index enhancers claim 1 , fluidity lowering agents claim 1 , floc point lowering agents claim 1 , detergents claim 1 , dispersants claim 1 , foaming agents ...

LUBRICATING OIL COMPOSITION FOR REFRIGERATORS

Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant. 1. A composition refrigerator using comprising: [{'br': None, 'sub': p', 'q', 'r', 's, 'COFR\u2003\u2003(A),'}, 'wherein:', 'R represents H;', 'p represents an integer of 2 to 6;', 'q represents 0', 'r represents an integer of 1 to 12;', 's represents an integer of 0 to 11; and', 'the unsaturated fluorinated hydrocarbon contains one or more carbon-carbon unsaturated bonds; and, '(i) a refrigerant comprising at least one unsaturated fluorinated hydrocarbon represented by formula (A)(ii) a lubricating oil composition for a refrigerator comprising a base oil comprising, as a main component, a polyoxyalkylene glycol.2. The composition according to claim 1 , wherein the refrigerant consists of the unsaturated fluorinated hydrocarbon represented by formula (A).3. The composition according to claim 1 , wherein the unsaturated fluorinated hydrocarbon is a fluorinated derivative of propene.4. The composition according to claim 1 , wherein the polyoxyalkylene glycol is represented by formula (I):{'br': None, 'sup': 1', '2', '3, 'sub': m', 'n, 'R—[(OR)—OR]\u2003\u2003(I)'}wherein:{'sup': '1', 'Rrepresents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms, or ...

HIGH TEMPERATURE LUBRICANT FOR THE FOOD INDUSTRY

The invention relates to a food-grade high-temperature lubricant, more particularly a high-temperature oil and a high-temperature grease, comprising the following components: 1. A food-grade high-temperature oil comprising the following components:{'sub': 10', '13, 'a) 93.9 to 45 wt % of at least one oil selected from the group consisting of a mixture of trimellitic acid tri(iso-C) esters (1) and trimellitic acid tri(iso-C) esters (2), the mixing ratio of (1) to (2) being 99:1 to 1:99, alkylaromatics, estolides;'}b) 6 to 45 wt % of a polymer, selected from the group consisting of a hydrogenated or fully hydrogenated polyisobutylene or a mixture of hydrogenated or fully hydrogenated polyisobutylene;c) 0.1 to 5 wt % of additives, individually or in combination, selected from the group consisting of anticorrosion additives, antioxidants, antiwear additives, UV stabilizers, inorganic or organic solid lubricants.2. A food-grade high-temperature grease comprising the following components:{'sub': 10', '13, 'a) 91.9 to 30 wt % of at least one oil selected from the group consisting of a mixture of trimellitic acid tri(iso-C) esters (1) and trimellitic acid tri(iso-C) esters (2), the mixing ratio of (1) to (2) being 99:1 to 1:99, alkylaromatics, estolides;'}b) 6 to 45 wt % of a polymer, selected from the group consisting of a hydrogenated or fully hydrogenated polyisobutylene or a mixture of hydrogenated or fully hydrogenated polyisobutylene;c) 0.1 to 5 wt % of additives, individually or in combination, selected from the group consisting of anticorrosion additives, antioxidants, antiwear additives, UV stabilizers, inorganic or organic solid lubricants, andd) 2 to 20 wt % of thickener.3. The high-temperature oil or grease as claimed in claim 1 , wherein the alkylaromatic compound is an aliphatically substituted naphthalene.4. The high-temperature oil or grease as claimed in claim 1 , wherein component a) comprises as a further food-grade oil a compound selected from the group ...

APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES

Apparatuses, systems, and methods are provided for the lubrication of fluid displacement machines, in particular positive displacement machines such as twin screw expanders utilized in organic Rankine cycle systems, comprising a working fluid mixed with a lubricant that is neither soluble nor miscible in the liquid phase of the working fluid. 1. A system for lubricating a fluid displacement machine , the system comprising:A. a fluid;B. a fluid displacement machine comprising at least one fluid input and at least one fluid output;C. at least one lubricant that is neither soluble or miscible with the fluid, said lubricant combined with the fluid to form a colloidal fluid mixture flowing through the machine from the at least one fluid input to the at least one fluid output;D. at least one mixture extraction point at which a portion of the mixture is extracted for lubrication purposes; andE. at least one desired point of lubrication in the machine in mixture receiving communication with the mixture extraction point.2. The system of wherein the system pressure at the at least one mixture extraction point is sufficiently higher than the system pressure at the at least one desired point of lubrication such that mixture flows from the at least one mixture extraction point to the at least one desired point of lubrication.3. The system of further comprising at least one lubricant filter disposed between the at least one mixture extraction point and the at least one desired point of lubrication.4. The system of wherein a lubrication pump is disposed between the at least one mixture extraction point and the at least one desired point of lubrication.5. The system of wherein the machine is a screw expander.6. The system of wherein the fluid comprises an HFC refrigerant and the lubricant comprises at least one of a mineral oil claim 1 , an alkylbenzene oil claim 1 , or a solid lubricant additive compound held in colloidal suspension.7. The system of wherein the HFC refrigerant ...

HIGH TEMPERATURE LUBRICANT

The invention relates to a food-compatible high-temperature lubricant, more particularly a high-temperature oil and a high-temperature grease, comprising the following components: 1. High-temperature oil comprisinga) 93.9 to 45 wt % of at least one oil selected from the group consisting of alkylaromatics, estolides, trimellitic esters, or a mixture of different trimellitic esters wherein the alcohol group of the ester is a linear or branched alkyl group having 8 to 16 carbon atoms;b) 6 to 45 wt % of a polymer, specifically a hydrogenated or fully hydrogenated polyisobutylene, or a mixture of hydrogenated or fully hydrogenated polyisobutylene;c) 0.1 to 10 wt % of additives, individually or in combination, selected from the group consisting of anticorrosion additives, antioxidants, antiwear additives, UV stabilizers, inorganic or organic solid lubricants.2. High-temperature oil according to claim 1 , wherein the oil component comprises as a further oil a compound selected from the group consisting of mineral oil claim 1 , aliphatic carboxylic and dicarboxylic esters claim 1 , fatty acid triglycerides claim 1 , pyromellitic esters claim 1 , diphenyl ethers claim 1 , phloroglucinol esters and/or poly-alpha-olefins claim 1 , alpha-olefin copolymers.3. High-temperature grease comprisinga) 91.9 to 25 wt % of at least one oil selected from the group consisting of alkylaromatics, estolides, trimellitic esters, or a mixture of different trimellitic esters wherein the alcohol group of the ester is a linear or branched alkyl group having 8 to 16 carbon atoms;b) 6 to 45 wt % of a polymer, selected from the group consisting of a hydrogenated or fully hydrogenated polyisobutylene or a mixture of hydrogenated or fully hydrogenated polyisobutylene;c) 0.1 to 10 wt % of additives, individually or in combination, selected from the group consisting of anticorrosion additives, antioxidants, antiwear additives, UV stabilizers, inorganic or organic solid lubricants, andd) 2 to 20 wt % of ...

LUBRICANT BLENDS TO REDUCE REFRIGERANT SOLUBILITY

Compositions, methods, systems, and applications herein are directed to lubricant blends that balance solubility and viscosity of a refrigerant, where in some cases the lubricant blends herein help reduce solubility of a refrigerant. A lubricant blend includes a mixture of two or more different types of lubricants to reduce refrigerant solubility. 1. A lubricant blend composition , comprising:two or more lubricants, the two or more lubricants includinga first lubricant; anda second lubricant,the first lubricant is present at a higher volume percentage than the second lubricant, the first lubricant includes a higher viscosity than the second lubricant, such that when blended with the second lubricant, the lubricant blend has a resulting viscosity when mixed with a refrigerant, and that exhibits a suitable miscibility and solubility within a desired operating range of a vapor compression system.2. The lubricant blend composition of claim 1 , wherein the first lubricant includes one or more of POE claim 1 , PVE claim 1 , and PAG claim 1 , and the second lubricant includes one or more of alkylbenzene (AB) claim 1 , polyalphaolefin (PAO) claim 1 , mineral oil claim 1 , and estolide.3. The lubricant blend composition of claim 1 , wherein the first lubricant is present at or about 60 to at or about 90 percent by volume of the lubricant blend claim 1 , and the second lubricant is present at or about 10 to at or about 40 percent by volume of the lubricant blend.4. The lubricant blend composition of claim 1 , wherein the first lubricant is present at or about 80 to at or about 90 percent by volume of the lubricant blend claim 1 , and the second lubricant is present at or about 10 to at or about 20 percent by volume of the lubricant blend.5. The lubricant blend composition of claim 1 , wherein the first lubricant is present at or about 80 to at or about 85 percent by volume of the lubricant blend claim 1 , and the second lubricant is present at or about 15 to at or about 20 ...

LUBRICANT COMPOSITION AND LUBRICATING METHOD

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

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system. 1. A composition for a heat cycle system , comprising: a working fluid for heat cycle; and a refrigerant oil , wherein the working fluid for a heat cycle comprises trifluoroethylene (HFO-1123) , difluoromethane (HFC-32) , and (E)-1 ,3 ,3 ,3-tetrafluoropropene (HFO-1234ze(E)) in amounts of:{'br': None, '10 mass %≤HFO-1123≤80 mass %;'}{'br': None, '10 mass %≤HFC-32≤75 mass %; and'}{'br': None, 'i': ze', 'E, '5 mass %≤HFO-1234()≤60 mass %.'}2. The composition for a heat cycle system according to claim 1 , wherein the refrigerant oil is at least one member selected from an ester refrigerant oil claim 1 , an ether refrigerant oil claim 1 , a polyglycol refrigerant oil and a hydrocarbon refrigerant oil.3. The composition for a heat cycle system according to claim 2 , wherein the refrigerant oil is at least one member selected from a dibasic acid ester claim 2 , a polyol ester claim 2 , a complex ester claim 2 , a polyol carbonate ester claim 2 , a polyvinyl ether claim 2 , a polyalkylene glycol and an alkylbenzene.4. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 40° C. is from 1 to 750 mm/s.5. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 100° C. is from 1 to 100 mm/s.6. The composition for a heat cycle system according to claim 1 , wherein a ...

Method for Producing Synthentic Alkyl Aromatic Lubricant Oil for Refrigeration Compressors by Selection of Solid Acid Catalysts Modified During the Integrated Alkylation and Transalkylation Process in Reactive Distillation Columns

The present invention refers to a process of obtaining alkylaromatic compounds where there is a higher selectivity for the production of monoalkylaromatic compounds by selection of modified acid solid catalysts in an integrated process comprising an alkylation and transalkylation of aromatic and/or polyaromatic compounds for the selective production of monoalkylaromatic compounds, as well as regeneration (in situ) of acid solid catalysts selected for this process. The process of the present invention enables the achievement of monoalkylated compounds with high rates of conversion, selectivity and yield. 1. Process for producing alkylaromatic compound , characterized in that it comprises the steps ofadding at least one olefin;adding at least one aromatic compound;over a catalyst comprising zeolite with SAR of at least 60:1.2. Process according to characterized in that the catalyst comprises zeolite with SAR higher than 70:1.4. Process according to claim 3 , characterized in that R1 is H and when R2 is H claim 3 , R3 is a linear or branched alkyl group containing from 1 to 12 carbon atoms claim 3 , and when R3 is H claim 3 , R2 is a linear or branched alkyl group containing from 1 to 12 carbon atoms.5. Process according to claim 1 , characterized in that the total amount of carbon atoms linked to the aromatic ring of alkylaromatic compound is from 1 to 12.6. Process according to claim 1 , characterized in that the zeolite is a dealuminated modified zeolite-USHY.7. Process according to claim 1 , characterized in that the zeolite is doped with 5%-10% of niobim and tin.8. Process according to claim 1 , characterized in that the temperature is between 80° C. and 200° C. and the pressure is maintained from 100 psi (7 kgf/cm) to 250 psi (18 kgf/cm).9. Process according to claim 1 , characterized in that the catalyst presents surface area between 200 and 900 m/g.10. Process according to claim 1 , characterized in that the catalyst is in a proportion of 5-10% by weight ...

LUBRICATING FLUID

A lubricating fluid suitable for use as a shock absorber fluid is disclosed. The lubricating fluid comprises at least 40 wt %, based upon the weight of the lubricating fluid, of a GTL base oil, has a viscosity index in the range of from 50 to 1000, and a pour point of below −30° C. 2. The lubricating fluid according to claim 1 , comprising in the range of from 50 to 90 wt % of the GTL base oil.3. The lubricating fluid according to claim 1 , comprising from 5 to 25 wt % of a mixture of alkylbenzenes that are mono- or di-substituted with linear and/or branched alkyl groups claim 1 , wherein the alkyl groups are C-Calkyl groups.4. The lubricating fluid according to claim 1 , wherein the viscosity index improver is chosen from polymers and copolymers of methacrylate claim 1 , butadiene claim 1 , olefins claim 1 , or alkylated styrenes.5. The lubricating fluid according to claim 1 , comprising a metal-containing or metal-free alkylthiophosphate claim 1 , in an amount of from about 0.4% by weight to about 1.4% by weight of the lubricating fluid.6. The lubricating fluid according to comprising an acrylic copolymer or a fatty amine ethoxylate in an amount less than 0.1 wt % claim 1 , based up on the weight of the lubricating fluid.7. (canceled) The present invention relates to a lubricating fluid which is suitably used as shock absorber fluid. The present invention further relates to the use of the lubricating fluid in a shock absorber.A shock absorber (sometimes referred to as a damper) is a mechanical device designed to smooth out or damp a sudden shock impulse and dissipate kinetic energy. Shock absorbers are an important part of automobile, motorbike or bicycle suspensions, aircraft landing gear, train suspensions, and the supports for many industrial machines. Large shock absorbers are also used in architecture and civil engineering to reduce the susceptibility of structures to earthquake damage and resonance.Shock absorbers convert kinetic energy to heat energy, which ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. 1. A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene , and a refrigerant oil.2. The composition for a heat cycle system according to claim 1 , wherein the refrigerant oil is at least one member selected from an ester refrigerant oil claim 1 , an ether refrigerant oil claim 1 , a polyglycol refrigerant oil and a hydrocarbon refrigerant oil.3. The composition for a heat cycle system according to claim 2 , wherein the refrigerant oil is at least one member selected from a dibasic acid ester claim 2 , a polyol ester claim 2 , a complex ester claim 2 , a polyol carbonate ester claim 2 , a polyvinyl ether claim 2 , a polyalkylene glycol and an alkylbenzene.4. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 40° C. is from 1 to 750 mm/s.5. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 100° C. is from 1 to 100 mm/s.6. The composition for a heat cycle system according to claim 1 , wherein the proportion (carbon/oxygen molar ratio) of carbon atoms to oxygen atoms of the refrigerant oil is from 2 to 7.5.7. The composition for a heat cycle system according to claim 1 , wherein the working fluid for heat cycle further contains a saturated hydrofluorocarbon.8. The composition for a heat cycle system according to claim 7 , wherein the saturated hydrofluorocarbon is at least one member selected from difluoromethane claim 7 , 1 claim 7 ,1-difluoroethane claim 7 , 1 claim 7 ,1 claim 7 ,1 claim 7 ,2-tetrafluoroethane and pentafluoroethane.9. The composition for a heat cycle system according to claim 1 , wherein the working fluid for ...

COOLANT COMPRESSOR AND REFRIGERATION DEVICE USING SAME

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

HIGH CONDUCTIVITY FLUID FOR AIR COMPRESSOR APPLICATIONS

The disclosed technology relates to a lubricant composition containing a polyalkylene glycol in which greater than 50% of the repeating units in the polyalkylene glycol contain an alkylene oxide derived moiety comprising a C4 or greater alkyl group. The lubricant compositions are particularly useful in compressors, such as a reciprocating rotary vane, scroll, or rotary screw air compressor. 1. A lubricant composition comprising:(a) at least one oil of lubricating viscosity, and{'sub': 4', '4', '4, '(b) at least one Cor greater polyalkylene glycol, wherein greater than 50% of the repeating units in said at least one Cor greater polyalkylene glycol contain an alkylene oxide derived moiety comprising Cor greater alkyl.'}2. The lubricant of claim 1 , wherein less than 50% of the repeating units in said at least one Cor greater polyalkylene glycol contain an alkylene oxide derived moiety comprising at least one C claim 1 , C claim 1 , Calkyl group or combinations thereof.3. The lubricant of claim 1 , wherein said Cor greater polyalkylene glycol of component (b) is soluble in the oil of lubricating viscosity.41. The lubricant of clami claim 1 , wherein said Cor greater polyalkylene glycol of component (b) is present at 5 percent by weight or greater.5. The lubricant of claim 1 , further comprising at least one Cto Cpolyalkylene glycol claim 1 , wherein greater than 50% of the repeat units in said at least one Cto Cpolyalkylene glycol contains an alkylene oxide derived moiety comprising at least one of a C claim 1 , C claim 1 , or Calkyl group or combination thereof.6. The lubricant of claim 5 , wherein the ratio of the at least one Cor greater polyalkylene glycol to the at least one Cto Cpolyalkylene glycol is from about 1:1 to about 10:1 by weight.7. The lubricant of wherein the oil of lubricating viscosity comprises a mineral oil base oil.8. The lubricant of wherein the oil of lubricating viscosity comprises an ester base oil.9. The lubricant of claim 8 , wherein the ...

HIGHLY AROMATIC BASE OIL AND METHOD FOR PRODUCING HIGHLY AROMATIC BASE OIL

A method for producing a highly aromatic base oil of the present invention includes a step of hydrorefining a clarified oil to obtain a highly aromatic base oil having an aromatic content of 50% by mass or more determined by a column chromatography analysis method. The step of hydrorefining a clarified oil is preferably performed under conditions of a hydrogen pressure of 5.0 to 20.0 MPa, a temperature of 280 to 400° C., a hydrogen oil ratio of 300 to 750 NL/L, and a space velocity of 0.3 to 2.0 h. According to the present invention, a highly aromatic base oil used for rubber processing, asphalt reclamation and the like, and a novel method for producing a highly aromatic base oil can be provided. 1. A method for producing a highly aromatic base oil comprising:hydrorefining a clarified oil to obtain a hydrorefined oil; andfractionation-treating and/or adsorption-treating the hydrorefined oil to obtain a highly aromatic base oil having an aromatic content of 50% by mass or more determined by a column chromatography analysis method, a content of benzo(a)pyrene of 1 ppm by mass or less, and a total content of the following aromatic compounds 1) to 8):1) benzo(a)pyrene,2) benzo(e)pyrene,3) benzo(a)anthracene,4) chrysene,5) benzo(b)fluoranthene,6) benzo(j)fluoranthene,7) benzo(k)fluoranthene, and8) dibenzo(a,h)anthracene of 10 ppm by mass or less.2. The method for producing a highly aromatic base oil according to claim 1 , wherein the hydrorefining the clarified oil is performed under conditions of a hydrogen pressure of 5.0 to 20.0 MPa claim 1 , a temperature of 280 to 400° C. claim 1 , a hydrogen oil ratio of 300 to 750 NL/L claim 1 , and a space velocity of 0.3 to 2.0 h.3. A method for producing a mixed-base oil comprising:hydrorefining a clarified oil to obtain a hydrorefined oil;fractionation-treating and/or adsorption-treating the hydrorefined oil to obtain a highly aromatic base oil having an aromatic content of 50% by mass or more determined by a column ...