Dyes and paints and polishes and natural resins and adhesives and compositions not otherwise provided for and applications of materials not otherwise provided for (C09)

C   Chemistry; metallurgy(312744)
C09            Dyes; paints; polishes; natural resins; adhesives; compositions not otherwise provided for; applications of materials not otherwise provided for(19567)
Thermally conductive polymer composite material // 2614334
FIELD: physics.SUBSTANCE: invention relates to thermally conductive dielectric materials and can be used for manufacture of heat-removing gaskets, tapes, sealants, filling compounds for computer memory chips, power electronic products, portable devices, power supplies and power converters, for which it is necessary to provide heat removal from heat-loaded elements and assemblies. A thermally conducting polymer composite material comprising a matrix based on silicone rubber or epoxy material with a filler in an amount of 0.1-80% by total weight of the thermally conductive composite material, wherein the filler is made in the form of aluminum oxide particles, the dimension of which is expressed in nanometers and micrometers, in combination with alumina nanofibers in an amount of 0.1-50% by total weight of the thermally conductive composite material and in the form of alumina nanofibers only in an amount up to 80% of the total weight of thermally conductive composite material, at that, the nanofibers are randomly arranged in the polymer matrix or oriented along the direction of heat flow from the heat-loaded surface.EFFECT: invention provides thermally conducting composite material with high thermal conductivity.3 ex
ethod for producing prussian blue/polypyrrole composite coatings with stable electro chromic transition // 2614290
FIELD: chemistry.SUBSTANCE: invention relates to methods for preparation of stable electrochromic coatings based on Prussian blue and a conductive polymer component. It can be used for production of electrochromic coatings on optically-transparent electrodes for architectural, building and automotive applications. Disclosed a method for production of Prussian blue- polypyrrole nanostructured composite coating with stable redox- and electrochromic transition on the surfaces of optically-transparent electrodes by a single-stage sedimentation in a mixed solution of ferrous nitrate (III) and hexacyanoferrate (III) as oxidising agents, and pyrrole monomer with a nitrate supporting electrolyte as a reducing agent with pH 1.0±0.2, within 48 hours.EFFECT: invention provides a simple single-stage method for production of Prussian blue- polypyrrole electrochromic nanostructured composite coatings on optically-transparent electrodes.2 cl, 4 ex
Adhesive composition // 2614285
FIELD: chemistry.SUBSTANCE: adhesive composition contains shellac, ethyl alcohol, dibutyl phthalate at the following ratio, wt %: shellac 45, ethyl alcohol 45, dibutyl phthalate 10.EFFECT: adhesive composition is suitable for the temporary fixation of optical components groups together with the possibility of their multiple fastening for further processing.3 tbl
ethod for hybrid plasmon-luminescent markers production // 2614245
FIELD: chemistry.SUBSTANCE: method consists in formation of metal plasmon nanoparticles on the inorganic luminescent nanoparticles surface, where nanoparticles are previously doped by rare earth metal ions. Plasmon nanoparticles are prepared by reduction of liquid solutions. The colloidal solution of inorganic luminescent nanoparticles in 1.2-dichloroethane is mixed with a supramolecular complex solution [{Au10Ag12(C2Ph)20}Au3PPh2(C6H4)3PPh2)3][PF6]5 in 1,2-dichloroethane to obtain a liquid solution, the liquid solution is recovered by laser radiation with a wavelength corresponding to the absorption band of the supramolecular complex, a power density of from 0.1 to 1 mW/cm2at laser exposure time of 10-60 minutes.EFFECT: invention enables high chemical purity of markers and small number of processing steps.5 dwg, 3 ex

ethod for producing alloyed yttrium aluminium garnet // 2613994
FIELD: chemistry.SUBSTANCE: method is performed by dispersing the solid aluminium yttrium oxide derivative in nitrate aqueous solutions of alloying elements salts, and the subsequent treatment with the final product extraction. Wherein the initial yttrium aluminium derivative is represented by the product previously obtained by co-precipitation of aluminium and yttrium from the nitrate aqueous solutions. The resulting precipitation product is afterwards subjected to filtration and washing with deionized water. Thereafter, the extracted product is dispersed by the ultrasonic influence in the solution of the alloying elements selected from the group of alkali and alkaline earth metals and the elements of the 3d group, the resulting pulp is dried with constant stirring, the dried product is ground and calcined at 1200°C to 1600°C.EFFECT: invention allows to obtain yttrium aluminium garnet with the uniform distribution of alloying elements.3 cl, 4 dwg, 3 tbl, 4 ex
Compound // 2613987
FIELD: chemistry.SUBSTANCE: invention refers to a compound composition intended for use in a moisture saturated environment of cavitation-resistant material for spillway elements of hydraulic structures, including protective structures, as well as for sealing of deep and shallow defects of concrete and reinforced concrete structures - for hydroelectric dams filtering cracks grouting and mountain ranges restoration. The compound includes epoxy-diane uncured resin, dibutyl phthalate, an amine hardener, chlorosulfonated polyethylene or polyethylene vinyl acetate copolymer (Sevilen), modifiers - polypropylene glycol and Laproxides, fillers - minium iron and ultrafine filler selected from the group consisting of carbon black, aerosil, as well as heat and light stabilizers from the group of oxydiphenylamine-4 and its N-alkyl derivatives at the certain ratio of components.EFFECT: due to the optimized modifying effect of additives and their compatibility with the polymer matrix, compound cavitation resistance is achieved, as well as the ability to cure directly in an aqueous medium at a low temperature with exclusion of shrinkage, delamination and the need to prepare the substrate surface, with increased density without increasing the initial viscosity.
Priming enamel for protective anti-corrosion epoxy coating protective layer up to 500 microns, method for protective anti-corrosion epoxy coating formation, and product with protective anti-corrosion epoxy coating // 2613985
FIELD: chemistry.SUBSTANCE: priming enamel contains mass. p.: 100-110 of epoxy resin, 1-2 of organo-modified sepiolite, 110-115 of organic solvents mixture, 22-25 of plasticiser, 150-160 of filler, 27-35 of pigments, 2-4 of corrosion inhibitor, 8-12 of amine or phenol amine hardener.EFFECT: invention allows to increase the epoxy primer and enamel base and solvent mixture resilience, to reduce drying to a solid state and improve thixotropic properties of the epoxy priming enamel.19 cl, 1 tbl, 5 ex
Invert emulsions emulsifier // 2613975
FIELD: chemistry.SUBSTANCE: invert emulsions emulsifier is described which contains an oil-soluble surfactant in the form of ethoxylated alkyl phenol AF9-6, fatty acid at a ratio of 2:1 and a hydrocarbon solvent, wherein the emulsifier comprises oleic acid as a fatty acid and a benzene-containing fraction as a hydrocarbon solvent, at that, the total concentration of the oxyethylated alkylphenol AF9-6 and oleic acid in the emulsifier is 15-39%, the rest is the hydrocarbon solvent.EFFECT: simplified process of emulsifier preparation, increased aggregate stability of emulsions, improved process technology and reduced material costs.3 tbl
Hot-melt adhesive // 2613965
FIELD: chemistry.SUBSTANCE: invention relates to hot-melt adhesive, which is used for production of disposable products such as a diapers and hygiene products, which are a typical product made from nonwoven fabric. Adhesive contains (A) thermoplastic block-copolymer, which is a copolymer of vinyl-containing aromatic hydrocarbon and a conjugated diene compound, (B) propylene homopolymer, obtained by polymerisation of propylene using metallocene catalyst, (C) a tackifying polymer and (D) a plasticiser. Propylene homopolymer (B) has a melting point of 100 °C or lower and polydispersity (Mw/Mn) from 1 to 3.EFFECT: produced hot-melt adhesive is excellent for high-speed coating and application of coating using a vortex method at low temperature, and is excellent in its adhesion to polyethylene and nonwoven fabric; id est disposable products obtained using hot-melt adhesive, can be effectively made using a line for high-speed coating method, and application of coating can be performed at low temperature of about 140 °C, which is reason of higher safety; wherein disposable products are excellent in adhesion to nonwoven fabric and to a polyolefin film and less likely to peel off.5 cl, 2 tbl

Red narrowband light emitting coated fluorosilicates for semiconductor light emitting devices // 2613963
FIELD: chemistry.SUBSTANCE: lighting device includes a light source configured to generate light source light, and luminescent material in particulate form, adapted to convert at least a portion of the light source light into luminescent material light. The light source comprises a light emitting diode (LED). The luminescent material in particulate form comprises particles with cores. These cores include phosphor containing M'xM2-2xAX6 doped with tetravalent manganese, where M' is alkaline earth cation, M is alkali cation, x - 0-1, A is tetravalent cation containing at least silicon, X is monovalent anion containing at least fluorine. The particles further comprise a metal phosphate coating, where the metal is selected from the group consisting of Ti, Si and Al. A method for luminescent material obtaining is described.EFFECT: luminescent material provides improved long-term stability in water and moist air at effective absorption in the blue region and absorbed light transformartion into red.15 cl, 7 dwg, 1 tbl, 1 ex

Sulphur-containing polymers and epoxy composition with amine-catalysed controlled release // 2613955
FIELD: chemistry.SUBSTANCE: invention relates to compositions containing sulphur-containing polymers, such as polythioethers and polysulphides, polyepoxides and controlled release amine catalysts, used in aerospace sealing materials. Composition contains a sulphur-containing polymer, selected from a sulphur-containing polymer with a terminal thiol group, blocked sulphur-containing polymer with a terminal thiol group and combinations thereof, polyepoxy hardener and a controlled release amine catalyst, including a matrix sealing substance containing an amine catalyst.EFFECT: invention provides a controlled rate of hardening of composition and a long shelf life in storage.19 cl, 7 tbl, 2 dwg, 7 ex
Jet ink and recording method using thereof // 2613941
FIELD: chemistry.SUBSTANCE: invention related to water based jet ink. The ink contains water; water-soluble organic solvent; pigment and resin solids. Wherein 50 wt % or more of water-soluble organic solvent is a water-soluble organic solvent with boiling point below 200°C and containing 3-methoxy-3-methyl-1-butanol. The ink contains 3 wt % or more of resin solids in relation to the total solids.EFFECT: invention provides rapid drying jet ink which may be used for printing on various non-porous materials, while providing advantages related to image permanence and storage stability.11 cl, 3 tbl, 18 ex

Lacquer composition // 2613915
FIELD: chemistry.SUBSTANCE: invention relates to laquer composition with high electric insulating properties and low moisture permeability, designed to protect printed circuit boards and radio electronic equipment (REE) components, and can be used in aircraft, missile and aerospace, mechanical engineering and other industries. The lacquer composition comprises a semi-finished laquer product and a hardener. The semi-finished lacquer contains fluorocopolymer - product of trifluoroethylene monomer copolymerization with alkyl vinyl and hydroxil vinyl ethers at a ratio of 22.4:8.8:8.8, a polyorganosiloxane modifier K-9, grade A, an organic solvent xylene. As a hardener, the lacquer composition comprises polyisocyanate biuret, at the following component ratio, wt %: 60-85 of fluorocopolymer, 4-14 of modifier, 5-25 of hardener, 5-30 of organic solvent. The lacquer composition is a cold-curing composition, the curing process takes place at a temperature of (20±2)°C for not more than 5 hours.EFFECT: composition has specific volumetric electrical resistance increased by 5-10 percent, dielectric characteristics increased by 15-20 percent, and water absorption reduced more than 1,5 times, provides high adhesion and physical and mechanical properties, allows formation of a high-quality coating.1 dwg, 2 tbl, 5 ex
Protective coating composition // 2613770
FIELD: chemistry.SUBSTANCE: invention relates to compositions for coatings, removed by one layer, namely for protection against from weathering, aging, biodegradation of polymer products, unpainted surfaces of wood, metal, painted decorative coatings of wood products and machinery during transportation, and can be used in all industries for preservation during storage in open areas. A composition for protective coating, containing oil ceresin with a specified dropping point, monosubstituted amides of synthetic fatty acids (SFA) fraction C17-C21 of monoethanolamine triborate and water, is described and further comprises nanoclays of the general chemical formula {Mg3[Si4O10][OH]2}•p{[Al,Fe***]2[Si4O10][OH]2}•nH2O at n:p ratio of 1.0-1.1, and oil ceresin - with a dropping point of 70°C at the following component ratio, wt %: oil ceresin with a dropping point of 70°C - 15.0-25.0, monosubstituted amides of SFA fraction C17-C21 of monoethanolamine triborate - 2.5-9.5, nanoclays of the general chemical formula {Mg3[Si4O10][OH]2}•p{[Al,Fe***]2[Si4O10][OH]2}•nH2O at n:p ratio of 1.0-1.1 - 1.0-2.0, water - the rest.EFFECT: increased efficiency of protective coating properties due to improved coating material adhesion to protective surfaces, biocidal properties for various types of moulds and barrier properties of the protective coating material.5 tbl
Drill fluid processing method // 2613709
FIELD: oil and gas industry.SUBSTANCE: invention falls into the area of the oil and gas producing industry, namely the drilling of horizontal holes of a long-mileage, associated with the development of the cluster drilling, including the construction of wells in the conditions of the Extreme North and the continental shelf. The method is intended for the drilling of horizontal holes of long-distance wells under conditions of the absorption of drill fluid. According to the method, a temporary mechanical filling compound is inserted, bypassing the purification system. This filler is made in the form of a rubber crumb with a hydrophilic surface and an effective diameter of the particles, more than 1/3 of a cross sectional dimension of cracks and pores. The filler - rubber crumb, prepared in this way, is handled by absorbent oil. On top of the oil the rubber crump is processed by the soap with the possibility of formation of an anti-friction coating, provided by the chemical bonds with this crump.EFFECT: method allows to reduce the coefficient of friction of the drill column on the hole walls, the absorption of the drilling liquid and the hydraulic pressure of the drill column to the hole walls by injection of a universal physic and chemical component to the drill fluid.

ethod of productive formation hydraulic fracturing with clay layer and gas-bearing horizon // 2613689
FIELD: oil and gas industry.SUBSTANCE: method involves performing the perforation in the range of productive formation of the well oriented in the direction of the main maximum voltage, landing of tubing string with packer to a well, packer seating, performing hydraulic fracturing treatment (HFT) by hydraulic fracture liquid injection by the tubing string with packer through perforated interval to the production string with obtaining and further fracture fixation by propping agent, pressure relief in the well, packer releasing and its extraction with a tubing string from the well. Oriented perforation is carried out using slot perforator with an orienting sub, HFT process begins with pumping of the fracturing fluid, a cross-linked gel is used as the fracturing fluid to create a crack in the productive formation. After that the created crack is developed by injecting linear gel with density of 1150 kg/m3 at first with ultralight proppant with fraction of 40/80 mesh with a concentration of 200 kg/m3, and then with quartz fine-grained sand with a grain size of 0.1-0.25 mm and concentration of 600 kg/m3. Then the crack is fixed by injecting crosslinked gel with fraction of 20/40 mesh proppant or 12/18 mesh, depending on the permeability of the productive formation by portions with stepped increasing of proppant concentration to 100 kg/m3, starting from 200 kg/m3 to 800 kg/m3, the last portion of the RCP-proppant is pumped with concentration of 900 kg/m3. The crosslinked gel with a fraction proppant of 20/40 mesh is pumped into a productive formation with a permeability from 0.01 to 100 mD during fixation of the crack, while in a productive formation with a permeability from 100 to 500 mD the crosslinked gel is pumped with a proppant of 12/18 mesh during fixation of the crack.EFFECT: increased reliability of the creation and development of the crack; improved process efficiency, reduction of hydraulic resistance in the range of perforation, quality improvement in fixing the crack in the bottomhole formation zone and the exclusion of injecting proppant into the well during the subsequent development.4 dwg
ethod for magnesium silicate proppant preparation, and proppant // 2613676
FIELD: chemistry.SUBSTANCE: method for preparation of magnesium silicate proppant, containing 18-30 wt % of MgO, from raw materials based on natural magnesium component and quartzo-feldspathic sand, includes preliminary calcination of the natural magnesium component, its grinding with quartzo-feldspathic sand, material granulation, calcination and sieving of the raw granules, Bazhenovskoye field serpentinite is used as the natural magnesium component used, containing the following in terms of calcined material, wt %: SiO2 38-46; MgO 38-46; Fe2O3 6-12; CaO 0.2-2.1; Al2O3 0.05-1.1; Cr2O3 0.2-0.7; NiO 0.1-0.45; MnO 0.05-0.25; K2O 0.002-0.2; Na2O 0.06-0.5; trace - the rest; preliminary calcination of the said serpentinite and raw granules calcination is performed at a temperature rise rate of more than 150°C/h. Magnesium silicate proppant is characterized by being obtained by the above method.EFFECT: increased proppant recovery ratio while maintaining its strength characteristics.2 cl, 1 tbl, 1 ex
Crude mixture for making fireproof coating // 2613515
FIELD: fire safety; chemistry.SUBSTANCE: invention relates to fire-retardant coatings for wooden surfaces operated in closed conditions. Described is a crude mixture for making fireproof coating of wood, which contains liquid glass, mineral filler and silicon-containing component, in which mineral filler and silicon-containing component are black shales with following chemical composition, wt%: SiO2 – 59.1, TiO2 – 0.95, Al2O3 – 16.55, Fe2O3 – 2.75, FeO – 4.6, CaO – 1.83, MgO – 3.15, MnO – 0.09, K2O – 2.6, Na2O – 1.45, P2O5 – 0.21, CO2 – 2.6, binder used is liquid glass from microsilica with low density 1.25–1.3 g/cm3, and additionally contains a foaming agent "PO-6", which is an aqueous solution of triethanolamine salts of primary alkyl sulphates with stabilising additives, with following content of components, wt%: liquid glass – 73–89; foaming agent "PO-6" – 1–2; black shales – 10–25.EFFECT: creation of a crude mixture for producing a fireproof coating of high quality.1 cl, 3 tbl
ixture of materials // 2613436
FIELD: construction.SUBSTANCE: invention relates to the sealing profile for doors and windows made of the mixture of materials including about %: ethylene-propylene-diene rubber 10-50, propylene copolymer with ethylene 8-50, the filler 50-70, paraffin oil 0-20, accelerator - sulfur donor 0.1-5, sulfur 0.5-5, zinc oxide 0.5-3. The method of producing the window or door structural element is also described which uses at least two sealing profiles of the mixture of materials containing ethylene-propylene-diene rubber and propylene copolymer with ethylene, wherein the mixture of materials is blended, shaped, and then cross-linked under the influence of temperature followed by retracting of the sealing profiles into the corresponding structural elements and by welding of the structural elements and the sealing profiles to each other in one pass.EFFECT: invention provides weldability of the sealing profile.13 cl
Polymethylmethacrylate based hardcoat composition and coated article // 2613408
FIELD: chemistry.SUBSTANCE: invention relates to coating compositions. Composition contains a polymer or a polymethyl methacrylate copolymer, having average molecular weight not less than 50,000 g/mol, monomer containing at least one of substances: alkylene-diacrylate, alkylene-dimethacrylate, cycloalkylene-diacrylate or cycloalkylene-dimethylacrylate, wherein at least one of said substances is not less than 80 wt% monomer, and an ultraviolet radiation stabiliser, wherein stabiliser contains at least one UV absorber or hindered amine light stabiliser. Article comprises polymer substrate and a first surface coating of a polymer substrate, where first coating is obtained by polymerisation of said coating composition.EFFECT: technical result consists in providing wear-resistant surface coating.25 cl, 3 dwg, 5 tbl, 9 ex
Low-emission hardener for epoxy resins // 2613326
FIELD: chemistry.SUBSTANCE: invention relates to a curing agent, suitable for curing of epoxy resins, epoxy resin composition and use thereof, to a cured composition, as well as to an article. Curing agent contains an amine of a formula described below and at least one polyamine, containing at least three amine hydrogens, capable of reacting with epoxy groups. Epoxy resin composition contains at least one epoxy resin and said curing agent. Cured composition is obtained by curing epoxy composition to produce a coating. Article is obtained by applying epoxy composition on a substrate surface.EFFECT: invention enables to obtain a curing agent with weak smell, low viscosity, which shows no tendency to drying or precipitation in air and can harden without turbidity under conditions of moisture content and low temperatures, as well as obtain even non-adhesive film with high hardness.17 cl, 4 tbl, 22 ex
Composition for remedial cementing in wells // 2613067
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil and gas industry, in particular, to remedial cementing in oil and gas wells. Composition for remedial cementing in wells, including mikrodur R-U, polyfunctional modifier PFM-ISO, superplasticiser F-10 and water in water-cement ratio of 1 in following ratio of components, wt%: mikrodur R-U 48.75–49.05, polyfunctional modifier PFM-ISO 1.0–1.2 %, superplasticiser F-10 0.9–1.3 %, water – balance.EFFECT: providing insulation of water in reservoirs of any permeability, fixation thereof in well bore zone, elimination of behind-casing flows, elimination of bottom water inflow to installation of screen in plane, repair of production strings.1 cl, 7 tbl
Inorganic single-crystal scintillator // 2613057
FIELD: chemistry.SUBSTANCE: invention relates to novel crystalline inorganic scintillation materials based on lanthanum bromide alloyed with cerium, and can be used for registration of ionizing radiation - gamma rays, X-rays, cosmic rays, elementary particles in fundamental physics, engineering and medicine. The inorganic single-crystal scintillator has the composition of La(1-m)CemBr(3-2k)Ok, where m is the mole fraction of cerium replacing La, more than 0, but less than or equal to 1; k - the mole fraction of oxygen replacing bromine, within the range from 1.5⋅10-4 to 8⋅10-4.EFFECT: increased mechanical strength of the crystal scintillator, in particular with a diameter of 15 mm and more, while preserving the high scintillation performances.1 tbl, 8 ex
White pigment // 2613055
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used for making pigments for varnishes and paints. Pigment consists of shell and core. Shell is made of titanium dioxide. Core is made of a mixture of kaolin and aluminium hydroxide with total weight content of aluminium silicates aluminium hydroxide not less than 98 %. Weight ratio of aluminium hydroxide to weight of core varies from 10 to 25 pts.wt. Weight ratio of shell material to core material is 0.66–2.33 at fractional composition of core material from 2 to 5 mcm and shell material from 0.2 to 0.5 mcm.EFFECT: invention improves quality of pigment, increases resistance to destruction in operating conditions at acidic precipitation, storage and transportation.1 cl, 8 ex
White pigment // 2613052
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used for making pigments for varnishes and paints. Pigment contains shell and core. Shell is made of titanium dioxide. Core is made from kaolin with weight content of aluminium silicates of not less than 97 %. Weight ratio of shell material to core material is 0.66–4.0, fractional composition of core material from 2 to 5 mcm, and shell material from 0.2 to 0.5 mcm.EFFECT: invention improves quality of pigment, increases resistance to destruction in operating conditions, storage and transportation.1 cl, 9 ex
Composition containing products of alkali metal propyl-functional siliconates block co-condensation with silicates and production method thereof // 2613049
FIELD: construction.SUBSTANCE: invention relates to a composition for hydrophobization of construction materials. Composition for hydrophobization of construction materials mainly contains water-soluble block co-condensates of alkali metals propylsiliconates with alkali metals silicates and water, herewith the block co-condensates contain cross-linking structural elements, which form chain-like, cyclic, cross-linked and/or spatially cross-linked structures, and at least one of which has idealized general formula (I): MO[[Si(R1)xY((y-2)-x)O]a[Si(Y)2]b[Si(R1)xY((y-2)-x)O]c]n [[Si(Y)2]m]OM (1), herewith in the structural elements, derivatives of alkoxy silanes and silicates R1 denotes a propyl residue, Y respectively independently denotes OM or OH or in cross-linked and/or spatially cross-linked structures independently denotes O1/2, M independently denotes an alkali metal ion, x respectively independently denotes 1 or 2, y denotes 3 or 4, wherein (x+y)=4; a ≥ 1, c ≥ 0 and b ≥ 0; the number of blocks n ≥ 1, the number of silicate blocks m ≥ 2, wherein (b+m)=v and the ratio of (a+c)/v ≤ 1.EFFECT: invention also relates to a method of producing the said composition.16 cl, 2 tbl
oisture-hardened compositions, method for production thereof and use thereof // 2612793
FIELD: chemistry.SUBSTANCE: invention relates to adhesive and sealing substances, methods of their production and application. Disclosed are compositions containing a) a polymer selected from polyurethane or polyether, modified with at least one silane group (R1)a(X)bSi-, where X is selected from R2O-, R2NH-, R2O-CO- and (R2)2C=N-O-, R1 and R2 independently denote alkyl, cycloalkyl and/or aryl, a is equal to 0, 1 or 2, b is equal to 1, 2 or 3, and a + b = 3, and b) a mixture having shape of chains and/or cyclic siloxanes of general formula (I) and/or (II), in which (R) independently denote alkoxy, alkoxyalkoxy, alkyl, alkenyl, cycloalkyl and/or aryl, and some of (R) denote aminoalkyl-functional groups of formulae -CoH2o-NH2, -CoH2o-NHR', -CoH2o-NRR', -CoH2o-NH-CpH2p-NH2 or -CoH2o-NH-CpH2p-NH-CqH2q-NH2, where R' is alkyl, cycloalkyl or aryl, and R assumes one of said values, or where residues R and R' bonded to a nitrogen atom, together with common nitrogen atom, form a heterocyclic ring having from five to seven members, where R' and R is assume one of said values, o independently denote integers from 1 to 6, p and q independently denote integers from 2 to 6, m is an integer from 2 to 30, n is an integer from 3 to 30, wherein one silicon atom compound of formula (I) and/or (II) is bonded to not more than one aminoalkyl-functional group, and wherein coefficient of molar ratio of Si and alkoxyl residues is at least 0.3.EFFECT: compositions are ideal as adhesive substances and as sealing substances and are characterised by improved adhesion, especially on bases that are hard to glue to each other.(R)3Si-O-[Si(R)2-O]m-Si(R)3 (I), (R)2Si-[O-Si(R)2]n (II)15 cl, 22 ex
Compound for enhanced oil recovery // 2612773
FIELD: petroleum industry.SUBSTANCE: compound for enhanced oil recovery including non-ionogenic and anionic surface-active agents (NSAA and ASAA), bottom residues of butyl alcohols (BRBA), water-soluble polymer, and mineralized water contains neonol AF9-8 of AF9-12 as the NSAA, petroleum sulfonates synthesized based on the solvent extractions of oil distillates by N-methylpyrrolidone or phenol, polyacrylamide with m.m. of 1-16⋅106 g/mol and the degree of hydrolysis from 20 to 30% and mineralized water with mineralization of 0.6-142 g/l as the ASAA at the following component ratio, mass. %: the said petroleum sulfonates - 0.23-1.49, Neonol AF9-8 or AF9-12 - 0.13-2.29, BRBA - 0.25-0.84, the said polyacrylamide - 0.015-0.087, the said water - the rest.EFFECT: increasing of efficiency of displacement of residual oil after water flooding.3 tbl, 18 ex

ethod of improving plugging with fibres // 2612765
FIELD: chemistry.SUBSTANCE: invention relates to a method of blocking flow of oil-water fluid medium with ratio of water: oil equal to 70:30, through at least one passage into an underground formation, through which passes a borehole, comprising: (i) selection of compositions, concentration and size of hard fibres, flexible fibres and solid backfilling particles; (ii) preparation of oil-water fluid medium, to which fibres and particles are added; and (iii) injection of blocking oil-water fluid medium into passage, wherein fibres form a grid across passage, and solid particles pack grid blocking flow, wherein hard fibres have diameter from 20 to 60 mcm and length from 2 mm to 12 mm, wherein flexible fibres have diameter from 8 mcm to 19 mcm and length from 2 mm to 12 mm. Invention also relates to intensification of underground formation. Invention is developed in subclaims.EFFECT: technical result is providing redirection of fluid medium for intensification of well, which allows fluid medium to avoid areas with high permeability in rock formation and treat areas with lower permeability with improvement of results intensification.14 cl, 3 dwg, 3 tbl, 3 ex

Compacting spacer fluids and methods for use thereof // 2612763
FIELD: mining.SUBSTANCE: group of inventions relates to use of spacers in underground formations. Method of displacing drilling mud, arranged in annular space of well shaft, includes development of spacer fluid to comply with at least one property in predefined conditions of well shaft, where property is selected from a group consisting of: yield point from approximately 25 to approximately 250 Pa, static shear stress of gel from approximately 70 lb-force/100 feet2 (137 Pa) to approximately 500 lb-force/100 feet2 (978 Pa), yield strength at compression of about 1 psi (7 kPa) to about 2,000 psi (13,790 kPa) and unlimited strength at monoaxial compression from approximately 5 psi (34 kPa) to about 10,000 psi (68,950 kPa); use of spacer fluid to displace at least part of drilling fluid from annular space of well shaft; enabling least part of spacer fluid to consolidate in well shaft, and where part of spacer fluid is compacted in well bore to comply with determined property.EFFECT: high efficiency of displacement of fluid in well shaft with spacer fluid before adding another liquid, improved removal of solid substances, separation of physically incompatible fluids.73 cl, 2 dwg, 8 tbl, 11 ex

Use of carbon dioxide soluble nonionic surfactants for enhanced crude oil recovery // 2612756
FIELD: oil and gas industry.SUBSTANCE: present invention relates to increasing oil recovery when hydrocarbons do flow under natural forces. Dispersion for enhanced crude oil recovery, comprising carbon dioxide in a liquid or a super critical state, a diluent from a group consisting of water, brine, connate water, surface water, distilled water, water enriched with carbon dioxide, sea water and combinations thereof and a nonionic surfactant provided by an alkoxylation reaction of a first epoxide, a second epoxide different from first epoxide, and a primary aliphatic amine covalently linked to a tertiary carbon of a C4-C30 branched alkyl monoamine. Invention is developed in subclaims.EFFECT: high efficiency of water flooding.10 cl, 8 ex, 3 tbl, 2 dwg
Fire-resistant cellulose-bitumen roofing sheet and method of manufacturing // 2612740
FIELD: pulp industry.SUBSTANCE: invention relates to bitumen-impregnated cellulose fiber sheets containing one of its surface layers an adhesive primer and deposited on said layer of adhesive primer a fire-resistant coating containing expandable graphite. Bitumen impregnated sheet has corrugations, said layer of adhesive primer is a polymer or a mixture of polymers selected from thermoplastic resins, and said expandable graphite is coated with a dry deposition of said layer of adhesive primer. Bitumen-impregnated sheet additionally contains a layer of paint, deposited on fire-resistant coating, wherein said paint contains a polymer selected from thermoplastic resins. Sheets are primarily intended for use as facing material, and in particular, roofing material.EFFECT: sheets are characterised by fire-resistance which satisfies, in particular, the European Standard EN 13 501-5 document.12 cl, 2 tbl
olten electrolyte for chemical current source // 2612721
FIELD: chemistry.SUBSTANCE: invention relates to the development of compositions comprising bromides, metavanadates, lithium and potassium molybdates, which are used as fusible electrolytes in chemical current sources. The composition contains potassium bromide and lithium metavanadate. The compound LiKMoO4, consisting of lithium and potassium molybdate, is introduced.EFFECT: reducing the specific enthalpy and the melting temperature in the electrolyte.1 tbl, 4 ex
Fire-protective polymeric composition // 2612720
FIELD: chemistry.SUBSTANCE: invention refers to production of materials used for fire protection of facilities. Polymeric composition for fire-protective foaming material includes chlorine-containing polymer (chloroprene rubber, polyvinyl chloride, perchlorvinyl resin, chlorosulfonated and/or chlorinated polyolefin), plasticizer (chloroparaffin, trichloropropyl phosphate, tricresyl phosphate), intercalated graphite and ammonium salts as foaming fillers (ammonium chromate, ammonium carbonate, ammonium polyphosphate) and also mixture of melamine, paraform and oxalic acid taken is prescribed ratio.EFFECT: invention provides a polymetic composition for production of fire-protective foaming coatings and separators with low initial foaming temperature (below 250°C).7 dwg, 6 ex, 1 tbl
Hot-melt adhesive for disposable products // 2612718
FIELD: chemistry.SUBSTANCE: invention relates to hot-melt adhesive, in particular to an adhesive which is suitable for use in disposable products. Adhesive contains: (A) propylene homopolymer with melting temperature of 100 °C or lower, obtained by polymerisation of propylene in presence of a metallocene catalyst; and (B) wax, modified with carboxylic acid and/or anhydride of carboxylic acid.EFFECT: hot-melt adhesive is suitable for application of coating with high rate, and is characterised by improved adhesion in moist condition and ability to form a coating at low temperature.4 cl, 2 tbl
Current-conducting adhesive composition // 2612717
FIELD: manufacturing technology.SUBSTANCE: invention relates to current-conducting polymer composite materials, as well as to adhesives and pastes, made therefrom. Composition contains a plasticiser, metal-containing components of nano-sized powders of nickel and cobalt, coated with carbon nanotubes. Current-conducting adhesive composition based on organic binder and silver nano- and micropowder additionally contains glycerine and/or dibutyl phthalate, nanosized powders of nickel and cobalt, coated with carbon nanotubes with a given ratio of components, followed by mechanochemical mixing with simultaneous ultrasonic treatment, facilitating de-agglomeration of filler particles.EFFECT: invention enables to reduce temperature of sintering material, increases heat conductivity, reduces specific volumetric electric resistance.1 cl, 2 tbl, 1 ex
Sustainable adsorbable polymers // 2612709
FIELD: chemistry.SUBSTANCE: invention relates to an aqueous suspension of mineral pigment materials with high content of solid substances, containing dispersing substances and/or dispersants based on renewable sources, as well as methods of preparing such a suspension and to use thereof. Aqueous suspension contains mineral pigment material and at least one modified polysaccharide having carboxylation degree within range of 0.6 to 2.0 and characteristic viscosity in range of 3 to 300 ml/g, where carbon of at least one modified polysaccharide exhibits rate of nuclear transformation of 14C to 14N in range of 400 to 890 transformations per hour per gram of carbon, where at least one modified polysaccharide is present in an amount of 0.05 wt% to 5.0 wt% in relation to total weight of solid substances in suspension, Brookfield viscosity of aqueous suspension ranges from 50 to 1,500 MPa⋅s at 20 °C, and content of solid substances in suspension is more than 50 to 82 wt% in relation to total weight of suspension. Modified polysaccharide is used as a dispersing substance and/or dispersant.EFFECT: aqueous suspension is used in production of paper, plastic, paint, food products, fodder, pharmaceutical products, drinking water and/or in agriculture for reducing effect of sunlight and ultraviolet radiation on plant leaves.20 cl, 15 ex
ethod for producing film luminophore based on acrylic polymer // 2612705
FIELD: chemistry.SUBSTANCE: acrylic base is mixed with the isostationate hardener at the ratio of 1:1, from 0.5 to 2 wt % titanium nanodioxide with a grain size up to 50 nm is added. The mixture is maintained within 3-3.5 hours with continuous stirring, luminophore is added in an amount providing the necessary colour coordinates, and stirred for another 30-40 minutes. The luminophore is represented by Y3Al5O12:Ce, Lu3Al5O12:Ce, Gd3Al5O12:Ce. The mixture is then poured onto a polypropylene pad of a desired shape and maintained in air to the polymerization state. The film is separated from the polypropylene base and finally dried in a drying cabinet at 110-120°C.EFFECT: method improvement.4 cl, 1 tbl, 10 dwg, 3 ex
Additive, composition comprising additive and use thereof // 2612673
FIELD: chemistry.SUBSTANCE: invention relates to compositions for coating reactor surfaces for preventing or inhibiting clogging or corrosion in polymerisation reactions, including following components: a) at least one binder based on polyacrylate (co)polymer and b) at least one of following components: (1) a condensation product, obtained by reaction of an efficient 1-naphthol and formaldehyde, and (2) product based on naphthene molecules, substituted with sulphur compounds in at least one position of an aromatic structure. Composition substantially does not contain polyvinyl acetate or partially hydrolysed polyvinyl acetate or includes polyvinyl acetate or partially hydrolysed polyvinyl acetate, and amount of said polyvinyl acetate or partially hydrolysed polyvinyl acetate in composition is less than 2 wt%, preferably less than 1 wt%. Invention also relates to use of composition for preventing clogging of reactors, intended for polymerisation of polymerisable vinyl monomers, using as an anti-corrosion agent, and to use thereof for improving whiteness of polyvinyl chloride, obtained by polymerisation of vinyl chloride monomer.EFFECT: invention increases degree of adhesion of composition to reactor walls.16 cl, 2 tbl
Process for histological dye preparation from vegetable raw material // 2612636
FIELD: chemistry.SUBSTANCE: method for dye preparation by vegetable raw material infusion is characterized by vegetable raw material infusion in 90% ethyl alcohol, and 1.5-2 g of mordant per 50 ml of alcoholic solution is added prior to dyeing. Hypericum flowers (Hypericum perforatum) are used as the raw material, and zinc vitriol is used as the mordant.EFFECT: resistant reusable cytoplasmic dye is obtained.4 dwg
Improved amine-based additive composition for control and inhibition of polymerization of aromatic vinyl monomers and method of use thereof // 2612514
FIELD: chemistry.SUBSTANCE: present invention relates to an amine-based additive composition for control and inhibition of polymerization of aromatic vinyl monomers, including styrene, containing: (A) one or more of quinone methide or its derivatives, (B) one or more of nitroxide compounds and characterised by that said composition additionally contains: (C) one or more aliphatic tertiary amines or mixture thereof, wherein said aliphatic tertiary amine contains one or more hydroxyl groups in alkyl chain of tertiary amine, wherein said composition does not contain one or more of following amines: i) triethanolamine (TEA); ii) tris [N-butylamine] (TBA); iii) monoethanolamine (MEA); iv) dibutylamine (DBA); v) diethanolamine (DEA); vi) dipropyl amine (DPA); vii) ethylenediamine (EDA); and viii) tetraethylenepentamine (TERA) and ix) a mixture thereof. Furthermore, invention relates to a method of monitoring and inhibiting polymerisation of vinyl aromatic monomers, including styrene, including using said composition, as well as to a method of producing said additive composition. Invention also relates to a composition, containing (i) aromatic vinyl monomers, including styrene, and (ii) an additive composition.EFFECT: technical result is reducing or minimising number of aromatic and nitroxide compounds in additive composition for producing a composition which is cheap and safe for humans.24 cl, 10 tbl
Improved additive composition for control and inhibition of polymerisation of aromatic vinyl monomers and method for use thereof // 2612511
FIELD: chemistry.SUBSTANCE: present invention relates to an effective composition of an additive for controlling and inhibiting polymerisation of vinyl aromatic monomers, including styrene, consisting of: (A) one or more aromatic nitro compounds, (B) one or more aliphatic tertiary amines, or mixture thereof, one or more aliphatic tertiary amines contain one or more hydroxyl groups in alkyl chain of tertiary amine, and wherein aliphatic tertiary amine does not contain triethanolamine (TEA).EFFECT: invention also relates to a method of controlling and inhibiting polymerisation of vinyl aromatic monomers, including styrene, using proposed composition, a method of using proposed composition and method of its production.22 cl, 6 tbl, 5 ex
Amine based additive composition for control and inhibition of polymerisation of styrene, and method of use thereof // 2612507
FIELD: chemistry.SUBSTANCE: present invention relates to a composition of an amine-based additive for controlling and inhibiting polymerisation of vinyl aromatic monomers, including styrene containing (a) one or more of nitroxide (i.e. nitroxy) compounds and (b) one or more of aromatic nitro compounds; characterised by that said composition additionally contains one or more of (c) amines, characterised by that said amine contains hydroxyl alkyl tertiary amines, including tris(2-hydroxypropyl) amine (TIPA); Ν,Ν,Ν',Ν'-tetrakis(2-hydroxypropyl) ethylene-diamine (Quadrol); N,N,N',N'-tetrakis(2-hydroxyethyl) ethylene-diamine (THEED) or their mixture. Present invention also relates to a method of monitoring and inhibiting polymerisation of vinyl aromatic monomers, including styrene, by adding proposed composition, as well as methods of producing and using proposed composition for controlling and inhibiting said polymerisation.EFFECT: control and inhibition of polymerisation of vinyl aromatic monomers.16 cl, 6 tbl, 5 ex

Formation hydraulicfracturing // 2612418
FIELD: mining.SUBSTANCE: method comprises lowering to the well of pipe strings with a packer, seating of the packer, pumping gelled fluid along the pipe string in the productive formation interval to form a fracture, fixing fracture with pumping of the fluid-carrier with proppant covered with a rubber sheet, carrying out FHF, pressure relief and extracting of the pipe string from the well. Lowering pipe strings with a packer into the well is performed so that the lower end of the pipe string is above the roof of the formation for 1.5 m, total gelled fluid is computed with the following formula: Vg=k⋅HP, where Vg - the total amount of gelled fluid, m3; k=11-12 - transfering coefficient, m3/m, for this case we assume k=11; HP - height of the formation perforation interval, m, the gelled fluid is pumped via the pipe string in the productive formation interval to form a fracture, the remaining amount of the gelled fluid is used as the fluid-carrier for fracture fixing. Thus fracture fixing is performed in two stages, where at the first stage fluid-carrier pumping is performed with proppant 12/18 covered with rubber-polymer composition in the amount of 30% of the total amount of proppant, and at the second stage the fluid-carrier pumping is performed with proppant 20/40 in the amount of 70% of the total amount of proppant filled with glass fiber in an amount of 1.5% of the proppant weight pumped at the second stage, the packer is released and the pipe string with the packer is removed from the well.EFFECT: improving method reliability.2 dwg
Borehole conditioning method // 2612413
FIELD: oil-and-gas industry.SUBSTANCE: invention relates to oil and gas industry, in particular to methods of hydromechanical hardening of borehole during drilling of wells for various purposes. The method of borehole conditioning comprises the jetting by drilling fluid of borehole walls during drilling, adding of Portland cement 3-4 wt % for formation in near-borehole zone of instantly hardening cemented screen with the depth down to 50 mm, increasing the hydromechanical strength of the borehole by repression in the interval 0.3÷0.5⋅10-1 MPa/m, and at depression - in the range 0.3÷0.5⋅10-1 MPa/m. Hydromechanical mudding of the borehole is performed simultaneously with drilling at the discharge rate of the drilling fluid from the nozzle 30÷150 m/s with the bit speed 0.5÷2.5 s-1 and the force of dynamic impact of the jet onto the well wall 0.12÷0.65 tf. The contact time of the jet spot and rock is 0.01÷0.001 s.EFFECT: invention provides non-linear increase in quality and efficiency of well construction by hydromechanic strengthening of borehole up to rock pressure gradient.2 tbl
Ceramic pigment // 2612384
FIELD: chemistry.SUBSTANCE: ceramic pigment contains, wt %: Ga2O3 32.0-36.0; CaO 20.0-24.0; Sm2O3 20.0-24.0; TiO2 20.0-24.0. Pigment colour is yellow.EFFECT: increased alkali resistance of pigment.1 tbl
ethod of producing of product preventing adhesion, freezing on and adfreezing of open rocks // 2612281
FIELD: mining.SUBSTANCE: method of producing of the preventive products comprises compounding of the distillates of catalytic cracking with boil-off limits from 170 to 285 °C and from 280 to 395 °C in ratio 1:1 or of mixture of gasoil fractions of decelerated carbonization with boil-off limits from 210 to 310 °C and from 290 to 400 °C in ratio 1:1 in amount 95-98 %wt with thickening additive, as thickening additive a cracked residual of visbreaking is used amounting from 2 to 5 %wt, pre-heated to temperature from 50 to 70 °C.EFFECT: improved low temperature, fire dangerous properties and reduced prime cost of the preventive products, expansion of raw materials base.2 tbl, 2 ex
Process blend for removal of formation fluid containing highly mineralised produced water and hydrocarbon condensate from gas and gas-condensate wells // 2612164
FIELD: chemistry.SUBSTANCE: present invention relates to gas and gas condensate production, namely to chemicals for removal of gas well and condensate well fluid, containing highly mineralised produced water (total minerals 50-200 g/l) and up to 50% of hydrocarbon condensate. Process blend for removal of gas well and condensate well fluid, containing highly mineralised produced water and gas condensate, containing non-ionic surfactant - NIS polyethylene glycol - 4000, also containing NIS syntanol "АЛМ-10", and anionic surfactant sodium dodecylsulfate, with the following ratio, wt %: polyethylene glycol -4000 70-80, syntanol "АЛМ-10" - 5-10, sodium dodecylsulfate 15-25.EFFECT: efficient removal of formation fluid, containing highly mineralised produced water and hydrocarbon condensate from gas and gas condensate wells using a dedicated surfactant.1 tbl

Polymer-emulsion drilling mud // 2612040
FIELD: oil and gas industry.SUBSTANCE: invention refers to oil and gas industry. The polymer-emulsion drilling mud comprises an integrated reagent Unidrill, consisting of organic acids, being plasticizers, water-repellents and inhibitors, where plasticizers are oxalic acid salts together with oxides of amphoteric metals, and water-repellents are oxalic acid salts together with oxides of amphoteric metals and salts of hydrobromic acid, and inhibitors are microgels, with the following ratio of mud ingredients: wt % rheology-Xhantan Gum 0.2-0.5;. filtering-Fitter Check 2-2.5; filtering-PAC-LV 0.5-1; inhibitor-MgO 0.5-2; calcium carbonate, 5-50; integrated reagent Unidrill 25-30; dispersion medium-water, the rest; lubricant SBU-DR-5-10 from the whole volume.EFFECT: invention provides for reduction in drilling time, maintaining the stability of the drilling mud, environmental protection while reducing the cost of the drilling mud.1 tbl, 1 dwg
Electroconductive polymer composition for 3d-printing // 2611880
FIELD: chemistry.SUBSTANCE: electroconductive polymer composition for 3D-printing is described, consisting of a polymer base, a carbon filler, which additionally contains an antioxidant, syndiotactic 1,2-polybutadiene is used as a polymer base in the following ratio, wt %: 1.2 of SPD - 77,5-94,5; carbon black - 3-20; antioxidant - 2.5.EFFECT: prepairing of polymer compositions with improved conductivity and processability intended for 3D-printing.3 cl, 1 tbl, 11 ex
 
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