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Invention relates to grease based on mineral oils or mixtures thereof, containing fine filler materials, wherein the grease is modified with iron nanoparticles, formed after mixing in a reactor with mixer rate of 1000-2500 rpm with liquid iron pentacarbonyl and further thermal decomposition thereof at temperature of 250-300°C with a working mixture for 30-120 minutes, and a ternary mixture powdered filler materials - graphite (A), molybdenum disulphide (B) and tetrafluoroethylene (C) - is then added to the obtained mass in the same reactor in ratio A:B:C ranging from 40:40:20 to 80:10:10, wherein the grease contains the following, pts.wt: mineral oil or mixture of mineral oils 100, iron nanoparticles 0.3-4.0 and ternary mixture of powdered filler materials 15-60. |
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Process lubricant for cold massive forming of metal Invention relates to petrochemistry and specifically to process lubricants for cold massive forming of metals, having improved antiwear and antiscoring properties. The lubricant contains 1'-[2"-(methylthio)ethyl]-1'-[8-alkylcarbothioyl]-(C60-Ih)[5,6]fullero[2',3':1,9]cyclopropanes in amount of 0.003-0.007 wt%, rape-seed oil in amount of 10-30 wt%, industrial oil I-20A - the balance. |
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Antiscuff and antiwear additives to oils working under high pressure Claimed invention relates to antiscuff and antiwear additives to lubricating oils for cold volume pressing of metal, which work under high pressure, based on fullerene sulfur-containing derivatives, and as sulfur-containing fullerene derivatives they contain 1'-[2"-(methyltyo)ethyl]-1'-[S-alkylcarbothioyl]-(C60-Ih)[5,6]fullero[2',3':1,9]cyclopropanes of general formula (2), which are introduced into industrial oils in quantity 0.003-0.007 wt %. R=Am, i-Pr, Cy, Bn. |
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Electroconductive lubricant "uvs superkont" Invention relates to an electroconductive lubricant, containing mineral oil, additive, metal powder, such as a highly dispersed copper powder, a stabilising additive. The lubricant additionally contains a thickener, such as ethyl cellulose, at the same time the additive is an organic matrix, which represents salts of high-molecular organic compounds (soap) and higher organic fatty acids, and the stabilising additive is a 30% solution of benzotriazole in acetone at the following content of components, wt %; organic matrix 40, highly dispersed copper powder 30, thickener 20, stabilising additive 5, mineral oil - balance. |
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Cylinder lubricant for two-stroke marine engine Invention relates to a cylinder lubricant, having a base number (BN) determined according to standard ASTM D-2896 greater than or equal to 15 mg KOH/g of lubricant, containing: one or more lubricating base oils for marine engines, at least one detergent based on alkali or alkali-earth metals, overbased with metal carbonates, optionally in combination with one or more neutral detergents, one or more oil-soluble fatty amines containing 16-22 carbon atoms and having BN determined according to standard ASTM D-2896 from 150 to 600 mg KOH/g. The present invention also relates to use of the cylinder lubricant (versions) and an additive concentrate for preparing the cylinder lubricant. |
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Composite solid greaser for rail wheel flanges Invention relates to lubricant compositions to be used in operation of rail-mounted vehicles, particularly, to lubing wheel flange-wail pair friction surfaces. Greaser for rail wheel flanges comprises shell filled with composition composed of grease Litol-24 and additives. greaser shell consists of MG-1-grade graphite and filled with lubing composition containing zinc powder with particle size of 0.3-0.5 mcm, graphite powder, autoscoring additive, sulfur-containing lubricant-coolant emulsion and paraffin as a binder at the following ratio of components, wt %: Litol-24 - 42.3±1.5; zinc powder - 33.3±1.5; graphite powder - 3.0±1.0; lubricant-coolant emulsion - 1.6±1>0, paraffin making the rest. |
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Invention relates to cylinder oil having BN of at least 40 mg KOH/g oil, which contains ship engine base oil and at least one ultra-alkaline detergent based on alkali or alkali-earth metals, characterised by that it further contains 0.01-10 wt % of the total weight of the oil of one or more compounds (A) selected from esters of saturated fatty monoacids containing at least 14 carbon atoms, and alcohols containing not more than 6 carbon atoms, where the compounds (A) are selected from monoesters of monoatomic alcohols and diesters, and where at least one ultra-alkaline detergent based on alkali or alkali-earth metals is selected from a group consisting of phenolates, sulphonates, salicylates and mixtures of said detergents, where said detergent is ultra-alkaline due to calcium carbonate. |
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Invention refers to grease lubricant containing synthetic oil or mixture of synthetic oils with kinematic viscosity at 40°C of 5 to 700 mm2/s, which are thickened with non-organic thickener and in addition containing a filler to improve hest resistance, a polar reagent and a polymer at the following component ratio, wt %: non-organic thickener 5.0-30.0; filler to improve heat resistance 0.5-12.0; polymer 0.5-10.0; polar reagent 0.5-5.0; synthetic oil or mixture of synthetic oils is the rest. |
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Hydraulic fluid for automatic transmission Invention relates to compositions of hydraulic fluids used in automatic transmission. Improvements are achieved by adding isomerised slack wax (fraction 360°C - K.K) to an oil base which is a low-viscosity distillate component. The low-viscosity distillate component is obtained from vacuum distillate of a crude oil distillation plant (fraction 300-450°C) through selective purification, dewaxing and hydrofining. The isomerised slack wax (fraction 360°C - K.K) is obtained by a catalytic method from petroleum slack wax - a by-product of plants for dewaxing refined oil (fraction 300°C - K.K) with oil content of 2.5-12 wt % by hydrofining, hydroisodewaxing, hydrogenation with subsequent fractionation. The isomerised slack wax has kinematic viscosity at 100°C in the range of 3.9-4.7 mm2/s, chilling point not higher than minus 10°C and open flash point not lower than 210°C. Components of the hydraulic fluid for automatic transmission are in the following ratio, wt %: multifunctional additive (antiwear, antioxidant, friction modifier, viscosity modifier) 14-18; anticorrosion additive 0.06-0.1; antifoam agent 0.002-0.006, dye 0.002-0.003, base - up to 100, wherein the base contains, wt %: a low-viscosity distillate component - 20-70; isomerised slack wax - 30-80. |
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Lubricant for cold metal treatment under pressure Invention can be used in cold forming, rolling and processes involving nonferrous metals and alloys. The lubricant contains the following, wt %: distillate obtained as a waste from physical refining of sunflower oil 50-70, anhydrous soap-glycerol concentrate, obtained from treating sunflower oil with an alkali solution in methyl alcohol 50-30. |
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Engine oil additive batch and oil containing said batch Additive batch contains alkaline calcium alkylsalicylate, a solution in oil of a carbonated product of reaction of alkylbenzene sulphonic acid with calcium hydroxide, having base number less than 390 mg KOH/g, ash-free nitrogen-containing dispersant, a block copolymer of ethylene and propylene oxides based on ethylene diamine, modified dialkyl dithiophosphate, phenyl-α-naphthylamine, octylated diphenylamine - the balance. The modified dialkyl dithiophosphate is a 50% solution of a mixture of an amine salt and an amide of dialkyl dithiophosphoric acid in oil with tetra(2-ethylhexyl)thiuram disulphide, taken in weight ratio to the 50% solution ranging from 1:3 to 3:1 with atomic ratio of sulphur to phosphorus in the range of 3.25-11.5. The engine oil contains a mineral base, a batch of additives, an anti-foam additive and a polymethacrylate depressant with molecular weight from 2800 to 3200. |
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High thermal stability lubricating material having repair-recovery properties Lubricating material contains the following in wt %: serpentinite Mg6[Si4O10](OH)8 - 0.3-1; catalyst MnO2 - 0.05-0.2; oxidised oil fraction 300-520°C as a base - the balance. |
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Invention relates to a transformer oil composition containing (A) de-asphalted cylinder oil (DACO) with not more than 1 mg/kg benzo[a]pyrene content and total content of benzo[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[j]fluoranthene, benzo[k]fluoranthene, benzo[e]pyrene, benzo[a]pyrene and benzo[a,h]anthracene of not more than 10 mg/kg, in amount of 0.05-5 wt % of the total weight of the transformer oil composition; and (B) one or more base oils, each having viscosity of not more than 4.0 mm2/s at 100°C, in total amount of at least 80 wt % of the total weight of the transformer oil composition. The invention also relates to use of the described transformer oil composition as transformer oil in transformers, regulators, contact breakers, electrical power plant reactors, switch gears, cables and electrical equipment. |
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Proposed oil comprises the following components, in wt %: thickening additive Viscoplex 7-610 - 12.00-14.50, antioxidant additive Neozon A - 0.30-0.35, antiwear additive tricresyl phosphate - 0.35 - 0.50, dark-red dye grade "Ж" - 0.01. Oil base is made up of the mix of naphthene oil and polyalphaolefinic oil taken in the ratio of 4:1. |
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As a base liquid contains 5-95 % of hydraulically refined mineral oil produced by hydrofining, hydraulic de-waxing and successive hydrogenation of low-viscous oil distillate or low-viscous raffinate of selective treatment and 5-95 % of isoparaffin oil produced by hydrofining, hydro-isodewaxing with successive hydrogenation of paraffin containing oil product - gatch. Hydraulically refined mineral oil has kinematic viscosity at 40°C within ranges 16 -22 mm2/s, setting point as high, as minus 45°C, flash point in an open crucible not below 165°C. Isoparaffin oil has kinematic viscosity at 100°C within ranges 3.9 - 4.6 mm2/s, setting point not above minus 15°C, flash point in an open crucible not below 210°C. Disclosed here hydraulic liquid contains wt %: di-alkyl-ditiophosphate of zinc 1.5-2.5, washing dispersing additive - 2.5- 3.5, anti-foam additive - 0.001-0.006, depressant - 0-2, antioxidant additive - 0-0.2, base - up to 100. |
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According to the first version, the grease contains the following in wt %: 12-oxystearic acid 8-12; lithium hydroxide 1.1-1.7; AKOR-1 additive 0.9-1.1; technical diphenylamine 0.5-0.7; A-22 additive 3.7-4.3; petroleum oil - the rest up to 100. The petroleum oil used is a mixture containing 35.5-39.5 wt % straw oil AU and 42.5-48.5 wt % aviation oil MS-20 or selective solvent-refined oil M-20. According to the second version, the lubricant contains the following in wt %: 12-oxystearic acid 8-12; lithium hydroxide 1.1-1.7; AKOR-1 additive 0.9-1.1; technical diphenylamine 0.4-0.6; DF-11 additive 5-6; petroleum oil - the rest up to 100. The petroleum oil used is a mixture containing 34.8-38.8 wt % straw oil AU and 41.9-47.9 wt % aviation oil MS-20 or selective solvent-refined oil M-20. |
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Diesel engine system is described. It contains diesel engine equipped with cylinder block with lubricating oil, air intake, air compressor, effluent flow turbine, secondary cooling device and recirculation system of burst gas, which contains burst gas recirculation means to air intake; at that, lubricating oil includes mixture of two isoparaffin base oils, each of which has content of saturated hydrocarbons of more than 99 wt % and viscosity index of more than 120, system of packs of additives improving operational characteristics, and additive-viscosity modifier. Also, there described is lubricating oil containing mixture of two isoparaffin base oils, each of which has content of saturated hydrocarbons of more than 99 wt % and viscosity index of more than 120, system of packs of additives improving operational characteristics, and additive-viscosity modifier, for reduction of deposits in diesel engine system containing diesel engine equipped with cylinder block with lubricating oil, air intake, air compressor, effluent flow turbine, secondary cooling device and recirculation system of burst gas, which contains burst gas recirculation means to air intake; and operation process of the above system of diesel engine is also described. |
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Process lubricant for metal cold massive forming Lubricant contains the following in wt %: sulphided C16-C18 α-olefins 5-15, mixture of {1-[2-(methylsulfanyl)ethyl]-2,3-fullero[60]cyclopropane}carboxylates (1), where n=1(8%), n=2(24%), n=3(44%), n=4(24%), 0.003-0.007, rapeseed oil 10-30, industrial oil - the rest. |
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Process lubricant for cold massive forming metal Lubricant contains the following in wt %: sulphided C16-C18 α-olefins 5-15, mixture of 2,5-diheptyl-3,4-fullero[60]tetrahydrothiophene-1-oxides |
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Anti-friction composition for plunger pairs of fuel pumps of high pressure Invention refers to protective polymer composition for production of anti-friction coating on contact surfaces of plunge pairs of fuel pumps of high pressure (HPFP) and can be used in diesel engines of motor car and agricultural engineering. Composition contains wt %: amides of per-fluoride-poly-ether-acids with molecular weight 1200-1400 - 1-9, disperser - product of interaction of boric acid, di-ethanol-amine and fat acids of vegetable oils of C6-C20 fractions at their mole ratio 1:3:0.5 correspondingly - 2-10, diesel fuel - the rest. |
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Process lubricant for metal cold die forging Lubricant contains wt %: sulphidised α-olefine of C16-C18 fraction 5-15, colza oil 10-30, mixture of 2-phenyl-3, 4-fulleren[60]tetra-hydro-thiophene of formula (1) where n=1(65 %), n=2(10 %), n=3(25 %), 0.003-0.007, industrial oil - the rest. |
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Hydraulic fluid for hydraulic systems Fluid contains the following in wt %: 27-60 polymethylsiloxane liquid with viscosity between 5 and 200 mm2/s at 20°C and 40-73 of an oil fraction with viscosity of 3-15 mm2/s at 20°C from Troitsk-Anastasievka deposit with boiling point of 165-370°C or a waxy mineral base produced via a hydro-catalytic process. |
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Rapeseed oil based hydraulic fluid for agricultural equipment Invention can be used in hydraulic systems of machines and mechanisms used in cultivation, sowing, harvesting and processing crops under field conditions, as well as in the processing and food industry. The rapeseed oil based fluid contains 0.5-1% multifunctional Valena additives. |
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Lubrication composition and method of obtaining thereof Lubrication composition includes, wt %: carbon addition 1-2.5, base - the rest. As carbon addition, there used is nano-dispersed carbon or its mixture with molybdenum disulphide in quantity of 1-10 wt % of carbon. As the base, there used are oil residues or their mixture with waste oil taken in quantity of 1-25 wt %, which are subject to thermolysis. In addition, composition can contain waste oil or waste oil subject to thermolysis in quantity of 1-25 wt %. Heavy oil residues or their mixture with waste oil are subject to thermolysis - heat treatment at 200-450°C in tight conditions and are mixed with nano-dispersed carbon or with its mixture with molybdenum disulphide, or mixture of heavy oil residues with waste oil and/or with nano-dispersed carbon or with its mixture with molybdenum disulphide is subject to thermolysis. Fuel oil, flux oil, and their mixture are preferably used as heavy oil residues. |
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Invention relates to oil refining. The transformer oil contains, wt %: antioxidant additive - up to 0.5 and a basic support - up to 100. The basic support contains, wt %: 30 to 70 support 1 and 30 to 70 support 2. Support 1 is mineral oil obtained from a narrow 250 to 340°C fraction of diesel oil through hydrorefining, hydrodewaxing, hydrogenation with subsequent fractionation. Support 2 is a 280°C to 360°C fraction of isoparaffin oil, obtained from oil paraffin (300°C-K.K fraction) through hydrorefining, hydrodewaxing, hydrogenation of paraffins with subsequent fractionation. |
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Grease can be used in machine components and mechanisms, which work in conditions of aggressive media at temperature ranging from minus 30 to plus 250°C. The grease contains, wt %: lithium soap of 12-hydroxy-stearic acid 10 to 18, polytetrafluoroethylene 3 to 5, liquid polysiloxane 18 to 25, diphenylamine 0.1 to 0.5, copper stearate and acetate suspension in castor oil in ratio of 1:1:3-1:2:4 0.2 to 3.1, transformer oil from 30 to 50, industrial oil - the rest. |
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Lubricant core-composition for reducing wearing in wheel flange-rail friction couple Invention relates to lubricating compositions, particularly to compositions for lubricating friction couples, and can be used in mechanical engineering for lubricating friction assemblies, as well as in various mechanisms and machines for increasing interrepair time. The lubricant core-composition has coating, made from epoxy adhesive "ЭДП" with serpentinite additives Mg6{Si4O10}(OH)8 of technical furnace electroconductive carbon and fluoroplastic F-4. The coating of the lubricant core contains filler, which contains Litol-24 lubricant, serpentinite Mg6{Si4O10}(OH)8 and thermolysis carbon at the following ratio of components, wt %: coating: serpentinite Mg6{Si4O10}(OH)8 - 1.0-2.0; technical furnace electroconductive carbon - 0.1-0.2; polytetrafluorethylene in form of powdered fluoroplastic F-4 - 0.2-0.4; epoxy adhesive "ЭДП" - the rest; filler: serpentinite Mg6{Si4O10}(OH)8 - 1.0-2.0; thermolysis carbon - 0.1-0.2, consistent lubricant Litol -24 - the rest. |
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Foundry-forging machine coolant Invention refers to foundry engineering. Said coolant contains, wt %: gear oil 25-35, polymethylsiloxane 0.2-0.5, semi-synthetic unsulphonated liquid "Caraidel 2" 25-44 and water - the rest. |
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Working medium for metal working Application: in technological operations of machine assembly production (honing, polishing, superfinishing of cast irons and carbon steels), and also in electric erosion machines of low capacity. Substance: working medium contains fraction of 240-280°C produced from gas condensate of Zapolyarnoe gas and oil condensate deposit by means of distillation at atmospheric pressure. Fraction has the following composition, wt %: aromatic hydrocarbons 1-2, paraffin hydrocarbons from C10 and higher 8-15, naphthenic hydrocarbons the rest up to 100, including (equivalent per sum): monocyclic 12-15, bicyclic 60-65, tricyclic - the rest. |
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Operating fluid used for hydraulic systems Invention is used in automatic control systems of hydraulic drives of different constructions. Fluid consists of the following, wt %: polydimethylsiloxane fluids with viscosity of 20 to 200 mm2/s 27-60 and oil fractions of the Troitsko-Anastasievsky field with boiling point of 165 to 370°C 40-73. |
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Composition used for producing hydraulic shock-absorber fluid Invention refers to compounds of hydraulic fluids used in shock absorbers, in systems of hydraulic drive and hydraulic control of machines operated in the open air at operating oil temperatures in the volume depending on the pump type. Hydraulic fluid consists of a mixture of base 1 used as oil base and obtained by means of hydraulic cleaning, hydraulic paraffin removal with the subsequent hydrogenation of narrow diesel fraction (340°C-KK), base 2 used as oil base and obtained by means of hydraulic cleaning, and hydraulic paraffin removal with the subsequent hydrogenation of narrow diesel fraction (250-340°C). Fluid consists of the following, wt %: base 1 - 35-55, base 2 - 45-65, additives - thickening one - 2.2-3.2, zinc dialkyl dithiophosphate - 2.2-3.8, dispersing one - 1.2-2.0, and antifoam one - 0.001-0.010. |
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Grease used for sealing threaded connections Invention refers to operating greases, and namely to grease used for sealing threaded connections of pump-and-compressor pipes and casing pipes. Grease consists of fat base - industrial oil, "LKS-M" complex metallurgical lithium grease and graphite, as well as fine copper powder having small flake structure, with pure copper content of 99.1%-99.7%. |
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Lubrication for cold metal deformation Invention relates to lubricant and grease lubricant, used for cold metal deformation, inclined to pickup on form tool, while treatment, for instance titanium ad its alloys. Lubrication for cold metal deformation, contains in wt %: nonionic emulsifiers 28 - 50, animal fats 48 - 70, water not more than 2. |
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Base for petroleum emulsol and method of its obtaining Present invention is concerned with emulsifiers and may be used for preparation of petroleum emulsols and then crude-oil emulsions that are used in oil industry for increasing production rate. The base for petroleum emulsol is wax-naphthenic fraction. It is obtained by rectification of hydrocracking kerosene oil - the product with congelation temperature - 55-65°C and boiling point temperature 210-230°C. According to the method of above base obtaining hydrocracking kerosene oil undergoes rectification. The process is performed at low pressure or atmosphere pressure. This invention has been developed within subclaims. |
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Emulsol for preparation of lubricant-coolant Invention can be used in machine building industry use: in a machine engineering industry. The proposed emulsol contains the following components in wt %: 4-15 of oleinic acid, 2-8 of triethanolamine, 1-3 of copper graphite stearate, 0.5-2 of the neutralised product of interaction between tri-sodium phosphate and thiourea, 5-20 of sodium salts of the vegetative higher fat acids, and rape-seed oil making the remainder. |
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Composition contains in wt % antifoam additive "ПМС-200А" - 0.002-0.005, anti oxidation additive "Агидол"-1-0.6-0.8, viscosity additive "ПИБ"-1000 - 5-6, anti-wear, anti-splitting and antifriction additives "Феном" 2-3, mineral transmission oil from group "ТМ"-3-18 20-25, rapeseed oil - to 100. |
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Meyhod of obtaining distillates and lubricating oils In method of obtaining distillates and residues for oil bases from hydrocarbon charge: a) charge is subjected to cracking in presence of hydrogen and hydrocracking catalyst, at least, in one reactor with boiling layer with possibility of conversion, at least, of 10 wt % of charge fraction, boiling at temperature over 370°C, into compounds with boiling point lower than 370°C; b) at least, part of effluent, obtained at stage a), is fractioned for isolation of, at least, first residue, at least, 85 wt % of whose compounds start boiling at temperature 320°C, said first residue containing aromatic compounds; c) at least, part of aromatic compounds from, at least, part of first residue is removed in order to obtain effluent with low content of aromatic compounds, content of aromatic compounds being less than 30 wt %; d) at least, part of effluent, obtained at stage c) is fractioned in order to isolate second residue for oil bases with output , at least, 15 wt % with respect to charge. |
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Method of reducing wear of rails and locomotive wheel flanges Invention can be used for reducing the wear of rails and locomotive wheel flanges. The method of reducing the wear of rails and locomotive wheel flanges includes application of lubricant onto the rail head side face, the said lubricant being composed of oil fuel, mineral oil or a mix of mineral oils and colophony with the following content of components in percentage by weight, i.e., oil fuel content makes 5 to 50%, colophony content varies from 10 to 40%, the content of mineral oil or the mix of mineral oils approximating to 100%. |
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"speks 1" electroconductive lubricant Electroconductive lubricant includes filler and binder where zinc plant clinker is used as the filler and lithol is used as the binder with the following percentage of components in % weight: clinker 40÷60; lithol 60÷40. This will allow for achievement of lower cost of lubricant, to simplify its manufacturing process, and to provide lubricant with anticorrosion properties. |
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Composition to reduce wear in wheel-rail friction pair Proposed lubricating composition contains, mass %: hydrolytic lignin 15-25, waste diesel oil 10-25, the remainder being low molecular polyethylene, to 100. |
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Invention relates to production of lubricants, reversed and direct emulsions, and, in particular, to lubrication emulsion that, due to its stability and whiteness, can be used to lubricate metal and gypsum molds employed in manufacture of decorative white and colored concrete and reinforced-concrete articles. Emulsion is prepared at rotation of a rotor in mixer inclined by up to 45° to horizon using speed 1100-1200 rpm. Emulsion is composed water, 30-50%, oil, 30-50%, lime, 0.5-2%, and hydrophobic chalk, 18-22%. The latter is obtained by hydrophobization of chalk with synthetic fatty acid fraction C17-C20 having whiteness above 90%. |
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Greasing for drawing of the pipes made out of aluminum and its alloys The invention is pertaining to the metal working at the cold working of the metals by pressure. The greasing contains (in the mass %): "P-20" grade polyisobutylene - 11-13.5, oleic acid - no more than 2, the aviation oil of MS grade - 20 to 100. The technical result of the invention is assurance of the drawing stability, improvement of the quality of the processed products. |
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Lubricating compositions for helicopter units Proposed lubricating composition contains the following components, mass-%: low-viscosity oil, 10-30; commercial sulfur, 0.5-2.0; the remainder being residual oil. Residual oil of naphthenic oil has viscosity of 30-60 mm2/s at 100C and congelation point not above 0C; oil-viscosity oil of naphthelic oil has viscosity of 2.2-3.5 mm2/s at 100C and congelation point below or equal to minus 60C. Lubricating composition contains anti-wear additive -aryl phosphate at concentration up to 5 mass-%. |
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Cutting fluid preparation method Invention relates to cutting fluid production technology via processing of products from thermal and thermocatalytic processes in petroleum processing industry and can be used to prepare cutting fluids for electro-erosion machines and for rolling of aluminum foil. In particular, light catalytic cracking gas oil is blended with diesel fraction obtained in retarded coking process, light gas oil obtained in retarded coking process, and straight-run diesel fraction with weighted fraction composition. Resulting blend is subjected to hydrogenation, alkalization, and atmospheric-vacuum rectification. |
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Working liquid for gas pipeline hydraulic system Invention relates to working liquids used in hydraulic systems, among them, for hydraulic systems in locking equipment in gaseous main lines. Proposed liquid contains the following components, wt.-%: polymethylsiloxane liquid, 40-60; petroleum high-boiling fraction with boiling point 320-352°C as an organic additive, 8-10, and petroleum fraction with boiling point 165-315°C, the balance, up to 100. Invention provides enhancing work resource of locking equipment up to 250 switching cycles and with a single filling with liquid, improving low-temperature properties and capacity for foam quenching in the system. |
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Claimed lubricant contains (mass %): black oil 20-65; cup grease 3-20; graphite and/or molybdenum disulfide 1-10; and balance: mineral oil or mixture thereof. |
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Protective lubricant for metal parts Claimed lubricant contains (mass %) discharge motor oil 40-60; saponated tall pitch 4-6; carboxymethylcellulose 0.002-0.006, and balance: water. |
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Claimed liquid contains linear or branched liquid polymethylsiloxane; oil cut with boiling point of 155-3500C; and additive, such as mixture of D-α-tocopherole as antioxidant (5-95 mass %) with antiscoring additive (e.g., mono- and dialkylphosphate amine salt mixture) (5-95 mass %). In particular liquid contains (mass %) liquid polymethylsiloxane 30-7-; additive 0.1-10; and balance: oil cut. Preferably Irganox E 201 is used as antioxidant and Irgalube 349 is used as antiscoring additive. |
Another patent 2513686.