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Present invention relates to an antiwear additive containing micelles based on iron oxide Fe3O4 grease molecules surrounded by oleic acid molecules, wherein the Fe3O4 micelle nucleus is doped with Co (II), with the following ratio of components, wt %: Co (II) - 6%, Fe3O4 - 94%. |
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Invention relates to an organic lubricant in form of fine particles of human or animal hair, wherein said lubricant is placed on the friction surface of a rotating disc with a helical groove running from the edge of the disc to the centre with a "no" outlet at the centre and the tail of the disc for performing rotation. |
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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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Lubricating oil composition for reduction of friction, which includes nanoporous particles Claimed invention relates to lubricating oil composition, which includes 100 wt. parts of lubricant and from 0.01 to 3.0 wt. parts of nanoporous particles, where nanoporous particles have average size of particles in the range from 50 nm to 5 mcm. |
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Lubricant compositions for transmissions Invention relates to a lubricant composition for a gear box with kinematic viscosity at 100°C, making from 5.5 to 7 mm2/s, containing one or several phosphorus-containing, sulphur-containing or sulphur and phosphorus containing additives, which increase wear resistance, and/or additives for limit pressure, at least one methyl ether of fatty acid with formula RCOOCH3, where R is paraffin or olefin group containing from 11 to 23 atoms of carbon, and either at least one compound selected from the group of heavy poly-alpha-olefins with kinematic viscosity at 100°C, measured in accordance with the standard ASTM D445, making from 300 to 1200 mm2/s, and with molecular weight from 4000 to 50000 Da, or at least one compound selected from the group of light poly-alpha-olegin with kinematic viscosity at 100°C, making from 1.5 to 3 mm2/s, with kinematic viscosity at 40°C, making from 4 to 6 mm2/s, and with molecular weight of less than 500 Da in combination with one or several compounds, such as polymethacrylates with molecular weight of less than 30000 Da, and where the ratio of mass percentage content of polymethacrylate (polymethacrylates) and mass percentage content of ether (ethers) of fatty acid makes from 0.8 to 1.2. Also this invention relates to application of a lubricant composition for gear boxes and to application of bases that are methyl ethers of fatty acid as a lubricant base. |
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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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Method of producing magnetic oil Invention relates to a method of producing magnetic oil, which involves treating magnetite in a carboxylic diester in the presence of aqueous solution of 12-oxystearic acid or 12-hydroxy-Δ9-octadecenic acid while heating to water evaporation temperature, followed by heat treatment of the mixture at 110-180°C and cooling the obtained oil containing magnetite - 15-30 wt %, an oligoester obtained from 12-oxystearic acid or 12-hydroxy-Δ9-octadecenic acid 10-40 wt % and carboxylic diester - the balance, the method being characterised by that the obtained mixture is subjected to pressure of 100-150 MPa while heating for 3-17 hours, followed by releasing pressure and heat treatment for 5-20 hours. |
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Described is lubricating oil composition which contains lubricating base oil which contains (A) a partial ester of a polyatomic alcohol and carboxylic acid in amount of 5-75 wt % per total weight of the base oil, and having kinematic viscosity at temperature of 100°C of 1-15 mm2/s. The composition has kinematic viscosity at temperature of 100°C of 1-20 mm2/s, the polyatomic alcohol is an alcohol from a diatomic alcohol to a hexatomic alcohol and the carboxylic acid is selected from a group comprising monobasic acids, polybasic acids and mixtures thereof. |
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Lubricant for use in hot processing Present invention relates to an unleaded lubricant for use in hot pressing of metals, which contains 15-40 wt % one or more oils, 3-20 wt % graphite, having particle size distribution for 90% of the particles with size smaller than 15 mcm, and 30-80 wt % one or more phosphoric esters. The present invention relates to a method for hot pressing aluminium or aluminium alloy. |
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Process lubricant for metal forming (versions) Present invention relates to a process lubricant for metal forming based on chlorinated paraffin (versions), characterised by that it contains, wt %: sulphided propylene glycol ether of castor oil with 2-5% sulphur content 20-25; nonionic surfactant selected from oxyethylated alkylphenols 2-5 and chlorinated paraffin - the balance. According to the second version, the process lubricant further contains filler. The technical result of the present invention is rolling tubes from a wide range of carbon and stainless alloyed steels and alloys, nonferrous metals, titanium based alloys via deformed bar rolling on cold reducing mills and cold rolling mills regardless of whether there is a lubricant coating or not, while providing the required cleanness of the processed surfaces. |
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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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Method of lubricating wind turbine gearbox Present invention relates to method of lubricating a wind turbine gearbox which involves using a lubricating composition containing at least one perfluoropolyether (PFPE) lubricant. The present invention also relates to a wind turbine gearbox having a lubricating system containing a lubricating composition based on PFPE lubricant. |
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Grease lubricant for high-temperature friction assemblies Described is grease lubricant containing, wt %: industrial fatty acids -8.5-11.5; lower carboxylic acids - 0.5-4.0; water - 1.0-3.0; lime - 4.0-6.0; diphenylamine - 0.4-0.6; vacuum oil distillate - up to 100. |
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Proposed antifriction coating comprises molybdenum disulphide and binder. Said binder represents organic silicon compound. Diamond nanoparticles are additionally introduced in coating composition. |
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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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Grease for high-speed radial-axial bearings for gyroscopes and synchronous gyromotors Invention relates to grease for high-speed radial-axial bearings of gyroscopes and synchronous gyromotors, which contains a dispersion medium, a dispersion phase and functional additives, wherein the dispersion medium contains a mixture of low-viscous polyalphaolefin hydrocarbons PAOM-4, dioctyl sebacate and is a product of reaction of octadecylamine, polyisocyanate and aniline, and the functional additive contains an antioxidant additive - phenyl-alpha-naphthylamine and an antiwear additive - tricresyl phosphate. |
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Method of applying two-layer antifriction coatings on wheel-rail tribocontact surface Flame spraying of epoxy powder composition is carried out. Prior to flame spraying, first 0.01-3.0 mm-thick layer of coating is applied on metal surface by electric spark method, coating hardness exceeding that of metal to be protected, using the electrode of compacted mix of metal powder A and heat-resistant mineral powder B at the ratio of A:B=99:1-80:20. Thereafter said layer is treated by phosphating composition. Second layer is applied by powder flame spraying. Said powder consists of solid epoxy resin modified by fluorine rubber at stretch equipment with resin-rubber ratio of 97:3-70:30, imidazole hardener and filler composed of metal powder mix and antifriction mineral with high surface hardness. Powder is applied in layer of thickness varying from 0.5 to 3 mm and comprises the following components, in wt %: aforesaid solid epoxy resin modified by fluorine rubber - 100, imidazole hardener - 2-10, metal powder - 90-150, antifriction mineral - 0.4-12. |
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Method involves: (a) feeding starting components into a first feed zone; (b) carrying out a first reaction in a first reaction zone; (c) carrying out first blowing in a first blowing zone; and (d) cooling in a cooling zone to obtain a soap concentrate. Said zones have an auger element for transportation and carrying out reaction and are arranged in the order (a), (b), (c), (d). The invention also relates to a method of producing a lubricating composition using the described method. |
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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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Graphiteless high-temperature lubricant Lubricant is a mixture of fine-powder components with mean particle size of not more than 150 mcm. The lubricant contains: (a) a secondary and/or tertiary calcium phosphate compound, (b) a fatty acid or salt thereof, (c) boric acid, a boric acid salt (borate) and/or a mineral containing a boric acid salt and (d) condensed alkali metal phosphates, and does not contain any graphite additives. |
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Oil contains the following in wt %: calcium alkylsalicylate 5.4-6.0, alkaline calcium alkylphenolate 1.0-1.5 or highly alkaline calcium alkylphenolate 0.7-0.8, a colloidal dispersion of calcium carbonate stabilised with calcium sulphonate 1.0-1.5, boron-containing succinimide 2.5-3.5, sulphur-containing alkylphenol 0.4-0.6, zinc dialkyldithiophosphate 0.9-1.5, polymethacrylate 0.9-1.2, polymethylsiloxane 0.003-0.005, zinc dialkylphenyl dithiophosphate 1.4-2.0, an oil viscosity modifier selected from copolymers of ethylene and propylene or hydrogenated copolymers of styrene and butadiene or hydrogenated copolymers of isoprene 0.6-2.0, an ester selected from diisooctylsebacate or diisooctyldipate or triphetanoate trimethylolpropane 14-18, polyalphaolefin oil 54.0-59.5, mineral oil - up to 100. |
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Method of lubricating diesel engines using biofuel Lubricating composition contains base oil associated with group III and/or group II of base oil API categories, 0.5-5 wt % phenol antioxidant and 0.5-5 wt % amine-based antioxidant and total content of antioxidants is at least 2 wt %. |
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Lubricating composition for synthetic hydraulic oil having high fire safety for aviation equipment Lubricating composition for aviation synthetic hydraulic oil for hydraulic systems of aviation, rocket and ground equipment contains a base in form of polyalpha-olefin hydrocarbons combined with a rheological concentrator based on low-viscosity monoethers C18H38O2, stabilised with polymethacrylate (NYCOPERF RA 655), a phenol anti-oxidation additive, triisopropyl phosphate as an anti-wear additive, a corrosion inhibitor 1,2,3-benzotriazole and a tolyltriazole derivative Irgamet 39, an organosilicon liquid as an anti-foaming agent and a dye. |
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Lubricating composition for universal synthetic oil, capable of operating in gas-turbine engines and turbine-propeller engines contains a base in form of aviation pentaerythritol ether based on a mixture of full esters of pentaerythritol and fatty carboxylic acids and ether of pentaerythritol dimer, an alkylphenylamine anti-oxidation additive of the Irganox type - bis(4-(1,1,3,3-tetramethylbutyl)phenyl)amine or dioctyl diphenylamine, a high-molecular weight alkylphenol anti-oxidation additive of the Irganox L101 type, an anti-wear additive based on a mixture of tricresyl phosphate and dithiophosphate Irgalube 353 in ratio 3:1, a corrosion inhibitor - mixture of 1,2,3-benzotriazole and a tolyltriazole derivative Irgamet 39 in ratio 1:10. |
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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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Functional liquid compositions Proposed composition comprises (a) 70 to 99.99 wt % of base biodegradable oil containing (i) 80 to 100 wt % of base oil or base with content of paraffins over 80 wt % and saturated hydrocarbons over 98 wt %, and containing series of isoparaffins with n, n+1, n+3 and n+4 carbon atoms, where n varies from 15 and 35, and features kinematic viscosity at 100°C lower than 3 mm2/s; and (ii) from 0 to 20 wt % polyhydroxy compound of ether; and (b) additive improving viscosity index in amount of 0.01 to 30 wt %, wherein liquid hydraulic composition features viscosity index varying from 100 to 600 and setting temperature below or equal to minus 30°C. |
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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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Composition of electrically insulating oil Composition of electrically insulating oil contains: a base oil component, at least 80 wt % of which is paraffin base oil obtained through hydroisomerisation of wax produced during Fischer-Tropsch synthesis, with subsequent deparaffination, containing more than 80 wt % paraffins, more than 98 wt % saturated compounds, and containing several isoparafins having n, n+1, n+2, n+3 and n+4 carbon atoms and in which the value of n is between 20 and 35; and an antioxidant additive. The base oil component has flash point of at least 170°C, which is determined in accordance with ISO 2592. The composition may also contain a copper passivator, mainly a benzotriazole compound. When preparing the composition, the base oil component undergoes purification with bleach clay, and the antioxidant additive and the copper passivator, if present, are added after purification with the bleach clay. |
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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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Composition contains the following in wt %: boron nitride 0.2-90, ECO-Universal Oil-Package additive in liquid form 0.2-90, stabiliser 0.2-5, lubricant material - the rest. The lubricant material is paraffin, ceresin, konstalin, stearin, bees or synthetic wax or other grease lubricants. Boron nitride is in form of microparticles with size of not more than 0.02 mcm. The stabiliser is selected from a group comprising acetic, citric or lactic acid. |
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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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Procedure for application of hard anti-friction coating Procedure for application of hard anti-friction epoxy coating on metal surface consists in preparing powder composition and in its further gas-flame sputtering. As epoxy resin in powder there is used soft pre-condensate of epoxy diane resin with molecular weight from 340 to 600 with aromatic amine at amount of 0.1-0.7 from stoichiometry mixed on rollers or in an extruder with the rest amount of aromatic amine to stoichiometry 0.9-1.2 and mixture of anti-friction powder and fibrous cut filler at amount from 50 to 250 wt. shares per 100 wt. sh. of mixture of resin with amine. Before gas-flame sputtering surface of metal is treated with a mixture of phosphoric acid (A), metal or its oxide (B) and phosphate or ammonia polyphosphate (C) at ratio A:B:C from 92:6:2 to 60:30:10. |
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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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Inhibited composition for corrosion protection of the bottom of autoclaves for producing foamed concrete and other silicate articles contains sodium grease as a base, grade B still bottoms of free fatty acids, Asmol, inert aggregates - talc and titanium dioxide, hardener - magnesium oxide, organic inhibitor IKB-4V, IKB-4TM or TAL-11M, inorganic inhibiting additives - zinc oxide, mixture of sodium molybdate and potassium dichromate in ratio of 1:0.7, diluent - rubber solvent petrol, polymeric petroleum drying oil, monoethanolamine, diethanolamine and triethanolamine. |
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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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Persistent grease for bearings operated in extreme conditions and method of its production Preset amount of the mix of lubricants is loaded into apparatus furnished with mixer, said mix consisting of KC-19 oil and spindle oil and making 2/3 of total volume, heated to 80°C. Then dioctyl sebacate, 12-hydroxy-stearic acid, solution of lithium hydroxide (15%-solution in water) are added into said mix for it to be heated to 90-95°C. Dewatering of lubrication base is performed by heating to 200-210°C at continuous mixing for 40 minutes, apparatus charge is cooled by cold oil - 1/3 of oil mix, to 130°C. Then the following admixtures are added into apparatus: thio-diphenylamine, naphtam-2, molybdenum disulphide, fluoroplastic, benzotriazol, and mixed and cooled to 90°C, additive crimson-100 is added and obtained mix is cooled down after reaching homogeneity. |
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Invention relates to grease lubricant composition meant for main sliding friction units of motorcars. The composition contains the following in wt %: 12-hydroxystearic acid 14-20; acetic acid 4-5.8; synthetic fatty acids of the C5-C6 fraction or hexanoic acid 1.5-2.5; barium hydroxide octahydrate up to complete saponification; N-(diethylaminomethyl)benzotriazole 0.01-0.3; synthetic polyalphaolefin oil with viscosity of 5-12 cS at 100°C - up to 100. |
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Invention refers to lubricating materials and can be used for lubricating heavy duty friction units of various mechanisms. The lubricating rod consists a casing filled with lubricating material. The casing is made out of laminar material, for example wood plastic or graphite, or paper, or cloth impregnated with liquid glass, or polyethylene subject to artificial destruction. Lubricating material consisting of a lubricating composition additionally contains glass foam at the following ratio of components, wt %: bitumen 5 - 80, graphite 5 - 80, polyethylene 5- 10, molybdenum disulphide 5 -10, glass foam 5 - 10. |
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Method of making solid lubricants for wheel flange-rail friction couple In the method, liquid epoxy diane resin (A) is mixed with aromatic polyisocyanate (B) at 80-120°C for 15-55 minutes in ratio A:B ranging from 80:20 to 96:4 and subsequently held for a day for conversion to solid fusible epoxy urethane which contains free epoxy groups. The obtained epoxy urethane is mixed on rollers at temperature 30-70°C for 10-30 minutes with antifriction powder, propylene glycol, latent hardener for epoxy urethane and propylene glycol - 4,4'diphenylmethane diisocyanate blocked by dimethylamine, chopped fibres, after which it is cut into a sheet, rolled into a rod and kept for 3 days in storage conditions. |
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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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Lubrication for drawing of solid and hollow profiles from aluminium and its alloys Lubrication contains, % wt: poly-iso-butylene "П-20" - 11.5-17.5, oleic acid - 1.5-2.0 and the rest - machinery oil "ИГП-30". Usage of proposed lubrication provides removing of adhering of drawn metal on surface of wire drawing channel. |
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Lubrication for cold treatment of metals Lubrication contains, wt %: oxidised wide hydrocarbon fraction 50-90, vegetable oil 5-32, sulphur 1-10, washing-dispersive additive 1-5, anti-corrosion additive 0.01-1, anti-oxidant CHE-APC-35 0.1, adhesion additive CHE-Lub-TC 0.25-1, and absorbent of ultra violet radiation 0.2-1. |
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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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Proposed lubricating oil composition comprises the lubricating oil base and primary amine, containing tertiary C8-C20-alkyl group, represented by a common formula (I), i.e. , where x is an integer varying from 1 to 17, y is an integer varying from 1 to 17, z is an integer varying from 1 to 17 and x+y+z is an integer varying from 1 to 19. The proposed composition boasts kinematic viscosity of 18 to 60 mm2/s at 40°C, viscosity index varying from 130 to 150 and density varying from 0.80 to 0.84 g.s-3 at 15°C. The proposed composition is intended for hydraulic systems, transmissions, compressors, turbines and/or bearings. |
Another patent 2513970.