(57) Abstract:The invention relates to a lubricant composition that is used as insulation filler for an electrically insulating material for highly loaded friction units, processing of metals by pressure, as rail lubrication. The inventive composition comprises, in wt.%: solid 5-95; lubricating base 5-95; as filler contains processed in energonaprjazhenie mill blend, wt.%: synthetic detergent 3-10; metal-containing compound and/or metal powder from the group of copper, aluminum, zinc, lead, molybdenum, or a mixture thereof 2-5; cryptocrystalline graphite or talc 45-75; scaly graphite or talc 10-50; rail lubricant contains, % : solid 10-20, bitumen 5-15, atactic polypropylene or resin rosin 5-10 gasoline else, and lubricant for metal forming includes, %: solid 5-10, ammonium salts of lignosulfonic acids 1-6; monoethanolamine 0,3; triethanolamine 0,2; oleic acid 0.5 to 1; stearic 0.4 and water - the rest. The technical result of the invention is the environmental security, low cost and increase performance properties. 2 C.p. f-crystals, 3 tables.
- the grease must not be environmentally harmful components;
- level anti-friction properties coefficient of smoothness, measured by the ratio of the coefficient of static friction fn to the coefficient of sliding friction fc intermittent friction for the stepwise slide (standard American society of testing materials ASTM 2877-70) should be no higher than 1,0;
lubrication should form a thin solid film with high adhesion, to which no adhesion of the abrasive particles, the film should be dry in no more than 5-7 min;
- sedimentation stability of the lubricant should be more than 50-70%, simplifying its use in the operation.When the sedimentation stability of the lubricant is less than 50-70% insoluble components deposited on the bottom of the tank and in the pipes feeding systems, hammering them. It worsens working conditions (it is necessary to pause to clear blockages in the system and increases the energy consumption for mixing of the lubricant in the supply system.Quick-drying lubricant with solid graph satisfying the above requirements in full.In the lubricant concentrate according to the prototype used graphite, which determines the low sedimentation stability of the lubricant, in addition, the lubricant contains harmful fillers such as desulfobacteriaceae resin.The technical problem to be solved by the inventor, is environmental safety, cheapness and availability lubrication, improving tribological and performance properties of lubricants, increased sedimentation stability and weather resistance, the expansion of technological capabilities.To solve this technical problem proposed lubricating composition containing a solid filler and a lubricant base, characterized in that the filler comprises a mixture of synthetic detergent (SMS), metal-containing compound and/or metal powder selected from the group: copper, aluminium, zinc, lead, molybdenum, or mixtures thereof, and cryptocrystalline flake graphite or talc treated in energonaprjazhenie mill when Energogarant not less than 50 g (g is the gravitational constant) to qualitative homogenization of the mixture and vysokotochnogo grinding to a particle size less than 1 μm, the next time wybranego from the group: copper, aluminum, zinc, lead, molybdenum or mixtures thereof - 2-5
Cryptocrystalline graphite or talc - 45-75
Graphite flake or talc - 10-50
in the following ratio of components of the lubricating composition, wt.%:
Solid - 5-95
Lubricating base - 5-95,
for lubrication of rails composition as a lubricating bases contains bitumen, atactic polypropylene or a rosin resin and gasoline in the following ratio, wt.%:
Solid - 10-20
Bitumen - 5-15
Atactic polypropylene or resin rosin CT 5-10
Unleaded gasoline Up to 100,
and for the processing of metals by pressure as lubricant bases contains monoethanolamine, triethanolamine, oleic acid, ammonium salts of lignosulfonic acids, stearic and water in the following ratio, wt. %:
Solid - 5-10
Monoethanolamine - 0,3-0,5
Triethanolamine - 0,2
Oleic acid is 0.5 to 1
Ammonium salts of lignosulfonic acids 1-6
Stearic - 0,4
Water Up to 100
When processing in energonaprjazhenie mill when the value of the energy impacts of not less than 50 g (g is the gravitational constant) mixture secretaries is asih compounds and/or metal powder (Cu, Al, Zn, Pb, Mo), or their mixtures, there are structural transformation of cryptocrystalline graphite increases the defects of the crystal structure, the amorphization of the crystal lattice reaches 80-100%, mechanochemical activation and grinding the mixture, the mixture becomes ultrafine.In the discontinuities of the regularity of the graphite lattice formed active centers and appear loose connection of the corner atoms of carbon, ultrafine particles SMS and activated metals, sulfur, phosphorus, and metals of groups) carbon flake graphite form an active layer on the surface of activated particles cryptocrystalline graphite. The main components of the SMS are several surfactants having a high adsorption capacity of the alkyl sulphates, alkyl sulphonates, alkylamide and polyphosphates, which increase the adhesion properties of the active layer on the surface of the graphite particles.Ultrafine activated mixture has higher anti-wear, EP, release properties, adhesion, ductility, sedimentation stability of graphite suspension reaches 95%. In the friction zone the mixture forms adsorption of composite graphite in the micropores and cracks in the metal. When it healed microdefects, which prevents the cleavage of the metal on microvascular rail and wheels.A bunch of bitumen with atactic polypropylene or resin rosin and gasoline provide education quick drying high-strength film having high adhesion to metal. The film does not lose properties at temperatures from -50 to +50oC.Example 1. Lubricating composition for lubricating rails.Rail lubricant is prepared as follows. Take Noginsk cryptocrystalline graphite brand voice-1-3, GOST 5420-74, scaly graphite of Zavalye or Kyshtym graphite plant (group brands: GE, P, CH, SSC, PSC, SOC), synthetic detergent type "Crystal", "Lotus", "Era", metal-containing compound and/or metal powder selected from the group: copper, aluminium, zinc, lead, molybdenum, or their mixture (powder, salt solutions in the form of pure compounds or waste) process in energonaprjazhenie mill, vibrating type SVM-SVM or centrifugal type AGO, RPMS, the CM with the energetic impact in the activation process is not less than 50 g (g is the gravitational constant).Modes of activation mixture: for mills RAS at a frequency of 35 Hz and amplitude of 3 mm breezie to 1 min.In data processing produces ultra-fine activated mixture with particle size up to 1 μm structurally transformed cryptocrystalline graphite clad metals, gray - and phosphorus-containing additives, surfactants SMS, and particles of carbon flake graphite - solid. The mixing ratio of the filler is selected depending on the purpose of lubrication, method of its application.In the preparation of lubricating compositions for lubrication of rails in a tightly sealable container with stirrer pour petrol a-76 GOST 2084-77, add the required quantity of bitumen and atactic polypropylene THAT 6-05-190.2-81 with viscosity not exceeding 1000 Centipoise or resin rosin CT sour. number 165-175 mg KOH/g and dissolve, stirring, 20-24 hours In a solution add the required amount of solid filler, mix composition 10-15 min, the finished composition is poured into the reservoir supply system lubrication railsometimes. The formulation proposed composition is presented in table.1.Prepared samples of lubricating compositions are subjected to the following tests: extreme-pressure and antiwear properties define on-ball friction machine according to GOST 9490-75; the ratio of the melt is Aut according to GOST 10772-78; test samples for the impact of climatic factors is made according to GOST 9.054-75 methods GOST 9490-75 and ASTM D 2877-70. The results of the tests are presented in table. 2.From the operational point of view, all season fluid grease used for applying it on the side surface of the rail head in the curve track sections, is tested under the following performance properties: critical load scuffing balls Rc- at least 200-250 N; load welding beads Cc- at least 1500-2000 N; index bully ANDC- at least 30-35; the average size of the spots of wear of the balls Dand- not more than 0.7 mm; the ratio of smoothness fn/fc no more than 1; under the influence of climatic factors tribological properties of lubricants should not deteriorate by more than 10%, the viscosity of the OT-4 is not more than 20; sedimentation stability of not less than 50%.As follows from the data presented in table.2, the requirements in the most appropriate samples of compounds 1,3,5 offer lubricating compositions. Samples of the formulations of 2,4 limited comply with the requirements in terms of Dandand fn/fc, because they have their values close to limited operating requirements.Example 2. Lubricant composition for metal forming.Take water, oleic acid, solid, triethanolamine, monoethanolamine, ammonium salts of lignosulfonic acids, stearic, dispense them in a predetermined ratio and loaded into energopetrol mill. Mix the composition with Energogarant to 20 g for 10-15 min, and when Energogarant 20-30 g for 5-10 minutes At these modes operates as a mixer, providing high homogenization of the mixture.Recipe intended composition and properties shown in table.3. For comparative tests made graphical-V (TU 6-02-1122-87). 1. Lubricant composition comprising a lubricant base, solid filler, wherein the filler comprises a mixture of synthetic detergent (SMS), metal-containing compounds and/or metal powder selected from the group: copper, aluminium, zinc, lead, molybdenum, or mixtures thereof, cryptocrystalline and what is the gravitational constant) to qualitative homogenization of the mixture vysokotochnogo grinding to a particle size less than 1 μm, in the following ratio of the components of the filler, wt.%:
Synthetic detergent (SMS) - 3 - 10
Metallsoderjasimi connection and/or metal powder selected from the group: copper, aluminium, zinc, lead, molybdenum, or their mixtures - 2 - 5
Cryptocrystalline graphite or talc - 45 - 75
Graphite flake or talc - 10 - 50
in the following ratio of components of the lubricating composition, wt.%:
Solid - 5 - 95
Lubricating base - 5 - 95
2. The composition according to p. 1, characterized in that the lubricant base contains bitumen, atactic polypropylene or a rosin resin and gasoline in the following ratio, wt.%:
Solid filler - 10 - 20
Bitumen - 5 - 15
Atactic polypropylene or resin rosin CT - 5 - 15
Unleaded gasoline Up to 100
3. Lubricating composition under item 1, characterized in that the lubricant base contains monoethanolamine, triethanolamine, oleic acid, ammonium salts of lignosulfonic acids, stearic and water in the following ratio, wt.%:
Solid - 5 - 10
Monoethanolamine - 0,3 - 0,5
Triethanolamine - 0,2
Oleic acid - 0,5 - 1,0
Ammonium salts of lignosulfonic keys
SUBSTANCE: lubricating composition, especially appropriate for two-stroke engines, contains 90-20% of base lubricating oil, 10-80% (on sum of two components) of fatty acid C1-C4-alkyl ester, and 0.1-20% (on sum of all components) of lubricating oil additive. Invention also discloses a method of supplying lubricating composition separately from fuel and a method, wherein fuel composition for two-stroke engine includes indicated lubricating composition for common supply.
EFFECT: improved environmental condition.
19 cl, 4 tbl, 4 ex
FIELD: oils used as hydraulic fluids in hydraulic systems and hydraulic actuators.
SUBSTANCE: claimed composition contains (mass %): 4-methyl-2,6-di-tert-buthylphenol 0.2-0.3; tricrezyl phosphate 0.3-0.5; polymethylsiloxane fluid 0.003-0.005; phenyl-α-naphthyl amine 0.1-0.2; mixture of C12-C15-alkynylsuccinic acids 0.2-0.3; addend 0.08-0.12; polyalphaolefins with viscosity of 1.7-2.0 mm2/s at 100°C 10-35; and balance to 100 % polyalphaolefins with viscosity of 1.7-2.0 mm2/s at 100°C. Oil of present invention may be used at temperatures from 80°C to -50°C.
EFFECT: increased viscosity constancy at mechanical/dynamic stress; decreased corrosive action on structure materials during storage and operation.
FIELD: special-destination fluids.
SUBSTANCE: invention is dealing with hydraulic systems of aircrafts and helicopters operated within temperature ranges between 135°C and -60°C. Working fluid is made up of, wt %: phenyl-α-naphthylamine 0.2-0.4, 2,6-di-tert-butyl-p-cresol 0.3-0.5, tricresyl phosphate 0.4-1.0. polyethylsiloxane liquid with viscosity 44-49 mm2/s (20°C) 17-23, dioctyl sebacate 9.9-10.1, poly-α-olefins with viscosity 1.7-2.0 mm2/s (100°C) 25-32, poly-α-olefins with viscosity 3.7-4.3 mm2/s (100°C) to 100%.
EFFECT: improved viscosity characteristics at negative temperatures (to -60°C) and increased resistance to thermal oxidation.
FIELD: metallurgy, in particular production of lubricant for metal cold pressure treatment by blanking, cogging, molding extrusion, etc.
SUBSTANCE: according the first variant claimed lubricant contains (mass %): polyethylene glycol with molecular mass of 600 20-80; triethylene glycol or polyethylene glycol with molecular mass of 400 10-50; sodium salt of C7-C9- or C10-C16-fatty acids 9-30; and water 1-15. According the second variant lubricant contains (mass %): polyethylene glycol with molecular mass of 600 20-60; diethylene glycol or triethylene glycol 10-50; sodium salt of C7-C9- or C10-C16-fatty acids 4-20; %): polyethylene glycol with molecular mass of 1000-4000 5-40; and water 1-5. In both variants lubricant may additionally contain antifoaming agent selected from liquid oligoorganosiloxanes in amount of 0.01-0.10 mass % based on total lubricant mass.
EFFECT: lubricant of improved water washing-off ability viscous and plasticity.
1 cl, 1 tbl, 28 ex
FIELD: metallurgy, in particular cold wire drawing.
SUBSTANCE: claimed lubricant contains (mass %): aspirating lime dust 14-18, aspirating limestone dust 2-10; and balance: alkali metal soap of 10-20 % in humidity. Method for lubricant production includes mixing of alkali metal soap with aspirating lime dust and aspirating limestone dust with simultaneous treatment at 179-180°C and under atmospheric pressure for 1.0-2.5 h.
EFFECT: industrial waste utilization; lubricant of decreased cost and high antiwear and anticorrosion characteristics.
2 cl, 2 tbl, 1 ex
FIELD: petrochemical industry; aircraft industry; production of the motor-gearbox oil.
SUBSTANCE: the invention is pertaining to the field of petrochemical industry and aircraft industry, in particular, to production of the motor-gearbox oil, intended for use in the high-beat gas-turbine (turboprop) engines and the high-loaded reduction gear of the airplanes and helicopters. Substance: the oil used as the base oil contains diisooctylsebacate or its mixture with the polyalfaolefinic oil and additionally it contains the thickening dope made on the basis of polyalkylmethacrylate VISCOPLEX 12-310 in the amount providing the oil viscosity of 5-8 mm2/s at 100°С, at the following ratio of the components (in mass %): the antioxidant - 0.1-2.0; aryl ether of phosphoric acid - 1-7; azimido-benzene - 0.005-0.01; dope VISCOPLEX 12-310 - 10-20; baseline oil - up to 100. It is preferable, that the oil contains the antioxidant of amine or phenolic type and additionally it may contain polymethylsiloxane in the amount of 0.0003-0.0005 mass %. The technical result of the invention is the increased thermal-oxidative stability and the antiwear properties of the oil.
EFFECT: the invention ensures the increased thermal-oxidative stability and the antiwear properties of the oil.
3 cl, 2 tbl
FIELD: dielectric oils used in insulation of electric engines of immersion pumps in petroleum output.
SUBSTANCE: proposed oil comprises the following components, wt.-%: hydrogenated poly-alpha-olefins of molecular mass 400-1000 Da, 0.1-99.7; antioxidant addition agent of phenolic and/or amine type, 0.1-1.0; alkylphosphates and/or trialkylphenylphosphites, 0.1-2.0, and petroleum oil, up to 100. Proposed oil provides improving electric indices and lubricating properties and providing electric engines work at temperature 160-170°C.
EFFECT: improved and valuable properties of oil.
1 tbl, 15 ex
FIELD: special-destination fluids.
SUBSTANCE: invention relates to compositions of braking fluids used in automobile brake and clutch hydraulic circuits. Braking fluid according to invention is composed of, wt %: polycondensate of boric acid and poly(alkylene glycols) or monoethers thereof 38-45, diethyleneglycol monomethyl ether 2-7, ionol 0.3-0.6, benzotriazole 0.05-0.50, morpholine 0.05-0.30, plasticizer 4-7, poly(propylene glycol) with average molecular weight 500, 2-5, tripropylene glycol monobutyl ether - the balance. Braking fluid is prepared by mixing boric acid polycondensate with poly(propylene glycol) and solution of additives: ionol, plasticizer, benzotriazole, and morpholine in poly(alkylene glycol) monoalkyl ethers. Polycondensate of boric acid and poly(alkylene glycols) or monoethers thereof is prepared by esterification of reaction mixture including, wt %: boric acid 14-16, di- or triethyleneglycol 11-20, diethyleneglycol monomethyl ether 60-70, N-methyldiethanolamine 0.05-3.00, and tripropylene glycol monobutyl ether 1-15. In addition, 0.15-0.30% of saturated sodium hydroxide solution.
EFFECT: improved low-temperature properties and improved anticorrosive properties and stability on storage and during operation.
3 cl, 6 tbl, 5 ex
FIELD: petrochemical industry; non-ferrous metallurgy; mechanical engineering; production of the greasing for drawing of pipes made out of aluminum and its alloys.
SUBSTANCE: 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.
EFFECT: the invention ensures improvement of the quality of the processed products.
SUBSTANCE: grease contains 4 to 10 wt % of lithium soap, 4 to 10 % wt % of stearic acid, 2 to 4 % wt %of the "Valen" metal-plating additive, the rest being made by hydrocarbon oil.
EFFECT: increased specific loads, efficiency of friction pairs and locomotive traction gear motors.
FIELD: electrical engineering; impregnating compounds for paper insulation of power cables.
SUBSTANCE: proposed impregnating compound has 73 - 77 mass percent of petroleum oil and 23 - 27 mass percent of thickening agent; used as the latter is product of thermal copolymerization of C8 - C9 fraction of liquid hydrocarbon pyrolysis. This impregnated compound is characterized in high rheological(viscous) characteristics and high insulating properties retained upon aging in catalyst (copper) environment.
EFFECT: facilitated manufacture, enhanced insulating properties as well as oxidation and aging resistance.
3 cl, 3 tbl
FIELD: production of protecting and corrosion-resistant materials by impregnating fibrous base with antiseptic and corrosion-resistant compounds.
SUBSTANCE: material is made in the form of low-twist yarn of flat section from bast-fiber or mixed filaments having linear density of 1,500-3,500 tex and twist rate of 20-50 per 1 m. Yarn is reinforced with high-strength thread consisting of synthetic filaments having linear density of 60-120 tex or bast-fiber filaments having linear density of 200-600 tex. Rupture load of reinforcing thread is 30-60% of rupture load of yarn. Material is also impregnated with compound including 12-28 wt% of liquid non-volatile or low-volatile low-viscosity petroleum products used as filler, 0.2-1.5 wt% of product of reaction of aromatic hydrocarbons with isobutylene as antiseptic.
EFFECT: increased workability and covering capacity, high fungi-resistance and strength, in particular, on usage of jute filament and Capron thread, and impregnation compound based on transformer oil and antiseptic.
5 cl, 1 tbl, 12 ex
FIELD: cable engineering.
SUBSTANCE: proposed cable has at least one electrical conductor and at least one extruded sheathing layer based on thermoplastic polymeric material mixed up with insulating liquid wherein mentioned thermoplastic polymeric material is chosen from (a) at least one homopolymer of propylene or at least one copolymer with at least one olefin comonomer; (b) mechanical mixture that has at least one homopolymer or copolymer of propylene (a) and at least one elastomeric copolymer of ethylene with at least one aliphatic α-olefin, and (arbitrarily) polyene.
EFFECT: improved mechanical and electrical properties including high dielectric strength, which provide in particular, for its use at high operating temperatures.
46 cl, 1 dwg, 8 tbl, 12 ex
FIELD: technological processes.
SUBSTANCE: method includes increasing of liquid pressure so that it exceeds pressure of melted mass. Then liquid is supplied at preset pressure to multiple accumulation tanks. Then liquid is injected into specified mass at the pressure of injection that is equal to preset pressure by means of multiple injectors in corresponding liquid interaction with specified multiple accumulation tanks.
EFFECT: continuous supply and introduction of liquid into melted mass with technologically simple method at low costs and provision of even liquid distribution inside melted mass under pressure.
33 cl, 2 dwg
SUBSTANCE: inventions are related to electric engineering, in particular, to electroconductive lubricants that are used in operation of high-precision electric contacts. Lubricant contains solution of high-molecular soap in preservation oil K-17 as organic binder, as additive - antioxidant: neozone D, or phenothiazine, diaphene FP, diaphene FF or their analog, and copper powder, with further content of components, in %: : copper powder 60-65; antioxidant 0.5-1.0, the rest - 6±1 % is solution of organic binder. Lubricant is prepared by method that includes the following stages: (1) preparation of organic binder with application of heat for certain period of time, (2) introduction of antioxidant into binder and (3) mixing of prepared mass with copper powder.
EFFECT: increase of technological properties of lubricant, increase of electroconductivity of contact joint with suggested lubricant and joint operation life.
6 cl, 1 tbl