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Composition based on natural caoutchouc and polyamine compound Invention relates to the field of industrial rubber compositions, intended for obtaining a semiproduct for tyres. A reinforced rubber composition based on at least (a) an elastomer matrix, containing non-halogenated natural caoutchouc, (b) a reinforcing filling agent, (c) a special polyamine compound, present in an amount from more than 0 to less than 7 mmol per 100 g of an elastomer. |
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Ceramic-forming fire-resistant silicon rubber Invention relates to production of fire-resistant ceramic-forming electrically insulating silicon rubber. Ceramic-forming fire-resistant silicon rubber, obtained by vulcanisation using a peroxide, addition or polycondensation mechanism, including a rubber mixture (based on silicon rubber, reinforcing filler, anti-texturing additive), a cross-linking agent, ceramic-forming filler and a catalyst, which includes 1-10 pts.wt ceramic-forming filler, a mixture of compounds (metal concentration, pts.wt): platinum (1·10-4-1.5·10-3), palladium (0-0.1), cobalt (0-0.1), manganese (0-0.1), cerium (0-2), iron (0-1.5), zirconium (0-0.1), samarium (0-1), silicon rubber (80-95 pts.wt). |
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Invention relates to a polyamide resin composition, which has excellent properties, such as thermal stability, resistance to chemical impact, strength, wear resistance and mouldability, and therefore is widely applied for the production of moulded products as an engineering plastics. The polyamide resin composition includes: a polyamide (A), containing a unit, representing diamine and containing not less than 70 mol% of a unit, representing p-xylylenediamine, and a unit, representing dicarboxylic acid and containing not less than 70 mol% of a unit, representing a linear aliphatic dicarboxylic acid, which has from 6 to 18 carbon atoms; and a filling agent (B). The polyamide (A) includes a polyamide with the concentration of phosphorus atoms, constituting from 50 to 1000 ppm, and a value YI, which by results of differential colorimetric analysis in accordance with JIS-K-7105, does not exceed 10. The content of the filling agent (B) constitutes from 1 to 200 wt.p. counted per 100 wt.p. of the polyamide (A). |
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Vulicanisable rubber mixture based on fluorinated rubber Vulcanisable rubber mixture based on fluorinated rubber SKF 26 includes a vulcanising agent - bifurgin, a vulcanisation activator - magnesium oxide, filler - technical carbon P-803 and additionally a magnesium lactam-containing complex salt in amount of 3 pts.wt per 100 pts.wt rubber, obtained by reacting magnesium oxide with ε-caprolactam in molten ε-caprolactam with salicylic acid at 80-150°C for 90-120 minutes in the following molar ratio of components: MgO - 1, ε-caprolactam - 2, salicylic acid - 2. |
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Anti-friction polymer composite Invention refers to anti-friction polymer composites and can be used for manufacturing pipe stocks for triangle sockets of a brake assembly of freight-car trucks. An antifriction polymer composition is made from a composition containing polyoximethyleme and modifying additives in the form of a powder mixture and superhigh-molecular polyethylene with molecular weight 4,500,000 standard units and "Ф4К15М5" fluoroplast in the following proportions, wt %: polyoxymethylene 96, modifying additives 4. A polymer base is presented by polyoxymethylene with a min. melt fluidity of not less than 2 g/10 min. The modifying additives are introduced into the polymer base when mixing the ingredients in a paddle-wheel agitator to prepare a homogenous mixture with passing the composite through a granulating machine. |
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Complex age resistor for rubbers Complex age resistor for rubbers contains a powder-like carrier - zinc oxide and colloidal silicic acid - and a liquid alloy of age resistors, produced at 70-90°C, which contains N-isopropyl-N-phenyl-n-phenylenediamine, ε-caprolactam, boric acid in the form of a preliminarily obtained melt in ε-caprolactam at a temperature of 110-115°C, salicylic acid and additionally zinc oxide. |
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Heavy metal-free stabiliser composition for halogenated polymers Invention relates to a heavy metal-free stabiliser for halogen-containing polymers and can be used to stabilise halogen-containing polymers, particularly for preventing undesirable pink colouration, and moulded articles containing said stabiliser composition. The stabiliser composition for halogen-containing polymers based on isocyanurate, which does not contain heavy metals, includes as basic components at least one isocyanurate, at least one dihydropyridine and at least one perchlorate salt. The moulded article made from the halogen-containing polymer contains the stabiliser composition. |
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Complex anti-aging agent for rubber Complex anti-aging agent for rubber contains a powdered carrier - zinc oxide, and a liquid fusion of anti-aging agents, obtained at 70-90°C, containing N-isopropyl-N-phenyl-n-phenylenediamine, boric acid in the form of a melt obtained beforehand in ε-caprolactam at temperature of 110-115°C, salicylic acid and additionally zinc oxide. |
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Fireproof rubber mixture contains isoprene and butadiene rubbers, sulphur, sulphenamide C, zinc oxide, magnesium oxide, paraffin, naphtham-2, diaphene FP, technical carbon, N-nitrosodiphenylamine, chloroparaffin, antimony trioxide, aluminium hydroxide. |
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Invention relates to chemical industry, in particular to production of rubber products, intended for application as mechanical rubber products. Polymer composition can be used for manufacturing rubber products for different household purposes, working in contact with aggressive media, at higher temperatures, and for creation of construction products together with rubbers on the base of general purpose rubbers. Polymer composition contains butadiene-nitryl rubber CKH-40, sulphur, altax, diphenylguanodine, zinc white, stearic acid, dibutylphthalate, modifier - mixture of fullerenes of fraction C50 - C92 and anti-ageing agents - acetonanyl R and diaphene FP and filling agent - mixture of technical carbon P-234 and chalk GPC. |
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Invention relates to production of a fire-resistant rubber mixture and can be used in oil extraction, oil processing and mining industry. The rubber mixture contains the following ingredients, pts.wt (per 100.00 pts.wt rubber): butadiene-nitrile rubber - 100,00; thiuram D - 1.5; N,N'-dithiodimorpholine - 2.0; sulphenamide C - 2.0; naphtham-2 - 1.5; diaphene FP - 1.0; stearine - 1,0; colophony - 5.0; N-nitrosodiphenylamine - 1.0; chalk - 30.0; technical carbon P 701 - 55.0; technical carbon P 514 - 20.0; zinc oxide - 5.0; antimony trioxide - 4.0; chlorinated paraffin CP-1100 - 20.0; trichloroethylphosphate - 15.0; barium borate - 5.0. |
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Composition for photoactivated etching of silicon dioxode films Invention can be used in producing integrated microcircuits and other electronic devices which use a planar manufacturing technique based on photolithographic processes. The composition for photoactivated etching of silicon dioxide films includes a polymer base - polymethyl methacrylate, a photosensitive component - ammonium fluoride in trifluoroacetic acid solution, a solvent - acetone, a protophilic agent - diphenylamine. |
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Composition of shock-absorbing material Invention relates to field of chemistry, in particular to compositions, based on polyorganosiloxane for application as shock-absorbing material, absorbing shock mechanical energy in vehicles, mechanisms, apparatuses, operating on earth, in air and space. Composition of shock - absorbing material contains polydimethyldiphenylsiloxane caoutchouc of general formula HO[(Me2SiO)n(Ph2SiO)m]kH, where n, m represent molar content of links, n+m=100 when m=4÷12, k=33÷69, boric acid or its ether, iron oxide, titanium dioxide as semi-reinforcing filling agent, wollastonite as reinforcing filling agent, magnesium oxide as thickening agent, and talc and fluoroplast as antiadhesive components. |
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Butadiene-methylstyrene rubber based rubber mixture Invention relates to the rubber industry and can be used in making industrial rubber articles. The butadiene-methylstyrene rubber based rubber mixture contains sulphur, diphenyl guanidine, a vulcanisation accelerator, technical carbon, zinc oxide, stearic acid, an anti-ageing agent and a modifier. The vulcanisation accelerator used is sulphenamide Ts, the anti-ageing agent and modifier are 2-(dibutylaminomethyl)-4-methyl-6-(1,7,7-trimethylbicyclo[2.2.1]hept-exo-2-yl)phenol. |
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Composite polymer material for deck and floor coatings Invention relates to high-strength composite polymer materials for deck and floor coatings. The composite polymer material, which is a rubber mixture processed by a moulding technique, contains a polymer matrix, a vulcanising system consisting of thiuram, altax, zinc oxide and stearic acid, filler and process additives. The polymer matrix used is a petrol-, oil- and ozone-resistant polymer which is modified with polyvinyl chloride and contains 26-34 wt % acrylonitrile, and additionally sulphur, sulphenamide and polymerised 2,2,4-trimethyl 1,2- dihydroquinoline. The filler consists of BS-100 silicon dioxide, pigment titanium dioxide, natural hydrophobic chalk in weight ratio of 35-115:4-20:5-50 pts.wt, respectively. The process additives include TGM-3 oligoester acrylate plasticiser and antipyrenes which contain antimony trioxide and zinc borate in ratio of 3-20:5-25, and N-cyclohexyl thiophthalimide. |
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Invention relates to a fire-resistant rubber mixture and can be used in car, oil and industrial rubber industry. The fire-resistant rubber mixture contains synthetic isoprene and diene rubber, polyvinyl chloride, sulphur, sulphenamide Ts, zinc oxide, stearine, technical carbon, monoethanolamine, naphtham-2, diaphene FP, N-nitrosodiphenylamine, oxanol KD-6, antimony trioxide, chlorinated paraffin XP-70, chlorinated paraffin XP-470 and borates. |
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Photoactivated composition for etching silicon nitride films Invention relates to production of integrated microcircuits and other electronic devices which use a plenary manufacturing technique based on photolithographic processes. The photoactivated composition contains a polymer base and a photosensitive component. The polymer base is polymethyl methacrylate and the photosensitive component is ammonium fluoride. The composition further contains a protophilic reagent - α-naphthylamine and solvents - acetone and trifluoroacetic acid. Components are in the following ratio, wt %: polymethyl methacrylate - 11.8; ammonium fluoride - 4.7-7.1; α-naphthylamine - 18.3; acetone - 8.3-10.7; trifluoroacetic acid - 54.5. Use of the composition simplifies the technological process of obtaining photoetched pattern in a silicon layer, while excluding development, baking and wet chemical etching steps. |
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Device for production of diffusion polymer membranes Invention relates to membrane technologies and can be used in food, chemical, petrochemical industries, etc, for cleaning and separation of different process fluids. Proposed device comprises first reaction chamber with impeller connected via pump with second reaction chamber. Second reaction chamber incorporates bin for feed of extra component and ultrasound wave radiator for activation of polymer composition. First, composition is produced inside first reaction chamber at mixing polyvinyl alcohol, water and fullerenol C60-(OH)22-24. Then, it is fed into second reaction chamber wherein fed in extra component, a maleic acid, is fed to activate the mix. Composition produced in second reaction chamber is used to form the membrane on the substrate to be fed into drying chamber for heat treatment. Produced membrane features transport properties, efficiency and selective extraction of water from water-containing mixes. |
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Wear resistant rubber based on propylene oxide rubber and ultra-fine polytetrafluoroethylene Rubber mixture based on propylene oxide rubber SKPO contains sulphur, stearic acid, zinc oxide, thiuram disulphide, technical carbon P-803, dibenzothiazole disulphide, phenyl-β-naphthylamine, dibutoxyethyl adipate, ultra-fine polytetrafluoroethylene. |
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Butadiene-nitrile rubber based rubber mixture Invention relates to rubber industry, particularly production of rubber mixtures used to make articles for various purposes, including packer elements (rubber sealers in oil or gas wells), used in production of packer and anchor equipment. The rubber mixture contains the following ingredients, pts.wt (per 100.00 pts.wt rubber): paraffinate butadiene-nitrile rubber BNKS-40 AMN 100.00, with weight content of acrylonitrile of up to 41%, dicumyl peroxide (Perkadox BC-FF) - 3.0-4.0, vulcanisation coagent Deltagran HVA 2 70 GT - 1.0-3.0, zinc oxide - 3.0-5.0, antioxidant Irganox 1010 - 2.0-3.0, oligoester acrylates TGM-3 - 6.0-10.0, active technical carbon H-220 - 50.0-70.0, technical carbon T-900 - 10.0-30.0, dispersant zincolet BB 222 1.0-3.0, anti-scorch Santogard PVI - 0.3-0.5. |
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Rubber mixture contains butadiene-nitrile rubber, a vulcanising agent, zinc oxide, technical carbon, an antioxidant - N-phenyl-N'-isopropyl paraphenylenediamine - diaphene FP, stearic acid, and is characterised by that it further contains carboxylated butadiene-nitrile rubber, a plasticiser - α,ω-dimethylacrylate phthalate (bitriethylene glycol) and tri(oxyethylene) - α,ω-dimethacrylate, a vulcanisation accelerator - 2-mercaptobenzthiazole - captax, an antioxidant - 1,2-dihydro-2,2,4-trimethylquinoline - acetonanyl H, the vulcanising agent used being dicumyl peroxide - Perkadox BC-FF. |
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Composite material contains a matrix phase made of thermosetting epoxy polymer with magnetite particles and a reinforcing phase made of carbon fibre. The mould for moulding an article from composite material has a housing made of material which is substantially permeable for microwave radiation, with a surface or a back surface which is coated with a layer containing material which is substantially permeable for microwave radiation. |
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Composition based on bromine-containing fluoro-olefin copolymer Rubber mixture composition contains a bromine-containing fluoro-olefin copolymer which contains, per 100 pts.wt copolymer, 20-30 pts.wt technical carbon, 2.0-3.0 pts.wt vulcanising agent - Luperox 101 XL peroxides (2,5-bis-(tertbutylperoxy)-2,5-dimethylsiloxane), 2.0-3.0 pts.wt triallyl isocyanurate, 3.0-5.0 pts.wt calcium hydroxide and 0.5-2.0 pts.wt fullerene soot. |
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Method of producing isocyanate prepolymers Invention relates to a method of producing isocyanate prepolymers containing 10-21 wt % terminal NCO groups, intended for use as a polymer base of polyurethane, polyurea and polyurea-urethane sprayed anticorrosion coatings and sealing compounds. The method is based on treating oligooxypropylene triol with molecular weight of 4500-6000 units at temperature 30-85°C with diphenyl methane polyisocyanate in the presence of intramolecular urethane-formation reaction inhibitor additives, the inhibitor used being distilled tall oil, taken in amount of 0.5-1.2 wt % of the weight of reacting components, with molar ratio of the oligooxypropylene triol to diphenyl methane polyisocyanate which provides content of NCO groups of 10-21 wt % in the finished prepolymer. |
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Electrically insulating composition Invention relates to electrical engineering, specifically to cable engineering and polymer compositions based on plasticised polyvinyl chloride (PVC) with low inflammability, release of smoke and hydrogen chloride during combustion, intended for insulating inner and outer sheaths of cables. The electrically insulating composition contains suspended polyvinyl chloride, an ester plasticiser - dioctyl phthalate, tricresyl phosphate, chalk, soot, a stabiliser - melanine, antipyrenes - magnesium hydroxide and ammonium polyphosphate, smoke absorber - chlorinated paraffins, lubricant agent - calcium stearate, antioxidant - diphenylol propane and filler - organoclay, which is a product of modifying montmorillonite from the Gerpegezh deposit of the Kabardino-Balkaria Republic with cation-exchange capacity of 95 mg-eq/100 g clay with urea, in amount of 10% of the mass of montmorillonite. |
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Invention relates to production of rubber mixtures used to make elastic rubber elements used in manufacturing packer and anchor equipment for the oil industry. The heat-resistant rubber mixture based on a combination of butadiene-nitrile rubber and partially hydrogenated butadiene-nitrile rubber, contains a curing agent, a peroxide curing co-agent, zinc oxide, a process additive for rubber mixtures and technical carbon. The mixture contains as a curing agent - novoperox BP-40, as a peroxide curing co-agent - deltagran HVA-2 70 OH, as a process additive for rubber mixtures - softener RS-1 and additionally 2-mercaptobenzothiazole, burnt magnesia, stearic acid, naugard 445, novatox 8PFDA, zincolet VV-222, technical carbon N 220, technical carbon P 514, oligoether acrylates MGF-9 and TGM-3, with the following ratio of components, pts.wt: butadiene-nitrile rubber - 15.0-25.0; partially hydrogenated butadiene-nitrile rubber - 75.0-85.0; novoperox BP-40 - 10.0-11.0; deltagran HVA-2 70 GE - 1.5-2.0; 2- mercaptobenzothiazole - 0.3-0.5; zinc oxide - 3.0-5.0; burnt magnesia - 8.0-10.0; stearic acid - 0.5-1.0; zincolet VV-222 - 1.0-2.0; softener RS-1 -1.0-2.0; naugard 445 -1.0-3.0; novatox 8PFDA - 1.0-3.0; technical carbon N 220 - 15.0-20.0 technical carbon P 514 - 50.0-55.0; oligoether acrylates MGF-9 - 8.0-12.0; oligoether acrylates TGM-3 - 8.0-12.0. |
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Frost resistant rubber based on propylene oxide rubber and natural bentonites Disclosed rubber mixtures can be used to make rubber components used in various types of seal assemblies of machines and mechanisms and in other fields, e.g. for making seals for double-glazed windows in regions with a cold climate. The rubber mixture contains the following, pts.wt: propylene oxide rubber SKPO - 100.0; sulphur - 1.5; stearic acid - 1.0; zinc oxide - 5.0; thiuram disulphide - 1.0; dibenzothiazole disulphide (altax) - 1.5; dibutoxy ethyl adipate - 10.0; technical carbon P-803 - 60.0; phenyl-β-naphthylamine (neozone D) - 2.0; and natural bentonites - 0.5; 1.0; 3.0; 5.0; 10.0. |
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Fire-resistant nanocomposite and method of its obtaining Invention relates to non-combustible producing little smoke polymer nanocomposites based on polybutylene terephthalate. Nanocomposite includes polybutylene terephthalate and organoclay, with the following component ratio, wt %: polybutylene terephthalate - 93-97, organoclay - 3-7. Organoclay is obtained from montmorillonite-based clay, modified with melamine and ammonium polyphosphate, with the following component ratio, wt %: clay - 90, melamine - 5, ammonium polyphosphate - 5. Method of obtaining nanocomposite consists in introduction of organoclay into polybutylene terephthalate melt. First, clay is modified, for which purpose suspension of clay is prepared, after which melamine and ammonium polyphosphate are introduced into suspension. Obtained organoclay is washed with water by repeated decantation and dried at room temperature. After that, polybutylene terephthalate is dried, polybutylene terephthalate and organoclay are loaded into moxer and mixed. Nanocomposite is obtained by mixing polybutylene terephthalate melt with organoclay in single screw type extruder. |
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Bitumen-polymer paste contains bitumen, a polymer additive, ethyl silicate and mineral filler. The polymer additive used is atactic polypropylene, the filler used is flue ash from Krasnoyarsk TPP-2, and the ethyl silicate is ethyl silicate-32. Components are in the following ratio, wt %: bitumen - 86-40; atactic polypropylene - 2-10; ethyl silicate-32 - 2-10; flue ash from Krasnoyarsk TPP-2 - the balance. |
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Method of producing antifriction materials for binary surfaces Invention involves preparing and packing a set of two components: a resinous part and a curable part. The resinous part consists of epoxy resin, an active epoxy diluent, a nontoxic aliphatic or aromatic oxyacid and a mixture of antifriction powdered and fibrous filler materials. The curable part consists of a nontoxic adduct obtained by reacting an aliphatic or aromatic di- or polyamine with an epoxy-diane resin and a nontoxic and nonvolatile di- or polyatomic alcohol. Both components are prepared in equal volume and weight with accuracy of up to 5% and are mixed immediately before application. |
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Hardening mixture for vulcanising materials based on liquid siloxane rubber consists of two prepared and separately stored components (component No1 and component No2) which are joined when mixed before adding to the siloxane material to be hardened; component No1 contains ethyl silicate, an organic tin salt and polyethylene polyamine; component No2 contains polymethylsiloxane, active silicon dioxide and organochlorosilane. |
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Bactericidal organosilicon sealant Invention relates to chemistry, particularly single-component sealants with microbiological protection, and can be widely used in various engineering fields and construction as a protective coating and for sanitary and hygienic purposes in buildings and other places with high humidity. The bactericidal organosilicon sealant contains low molecular weight siloxane rubber, aerosil, liquid fraction C14-C17 paraffin, methyl triacetoxy silane, tin dibutyl dilaurate and a biocidal additive. |
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Butyl rubber-based mixtures containing three-component mixed modifier system Invention relates to rubber mixtures which are especially suitable for tyre treads. The rubber moulding composition for making tyre treads contains a halobutyl elastomer, at least one additional elastomer, mineral filler and at least a three-component mixed system of modifiers which contains silane, phosphine and an additive which contains at least one hydroxyl group and a functional group which contains a basic amine, the modified being added in an amount which provides a) ultimate elongation of samples of at least about 300%; b) tangent δ at 0°C greater than 0.36; c) tangent δ at 60°C less than 0.120; d) abrasion volume loss (DIN) less than 165 mm3; e) breaking strength greater than 13.0 MPa. A method of preparing said mixtures is also disclosed. |
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Polyvinyl chloride-based plastisol Invention relates to polyvinyl chloride (PVC) plastisols for making children's toys. The PVC-based plastisol contains dioctyl phthalate, epoxidated plant oil, pigment titanium dioxide, iron oxide pigment, disperplast, extender PVC resin, calcium stearate, hydroxyl G 3 H, emulsion PVC resin with K=79. |
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Polyvinyl chloride-based plastisol for making children's toys Invention relates to polyvinyl chloride (PVC) plastisols primarily meant for making children's toys. The PVC-based plastisol contains dioctyl phthalate, epoxidated soya bean oil, pigment titanium dioxide, iron oxide pigment, disperplast, calcium stearate, diluent - viscosity regulator hydroxyl G 3 H, emulsion PVC resin with K=66-69. |
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Polyvinyl chloride-based plastisol Invention relates to polyvinyl chloride plastisols for making children's toys. The polyvinyl chloride-based plastisol contains dioctyl phthalate, epoxidated soya bean oil, pigment titanium dioxide, iron oxide pigment, disperplast, calcium stearate, diluent - viscosity regulator, emulsion polyvinyl chloride resin with K=79, extender polyvinyl chloride resin, emulsion polyvinyl chloride resin with K=66-69. |
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Invention relates to composite polymer materials based on a highly processable butadiene-acrylonitrile elastomer, which can be used to produce vulcanisates with high tensile strength, tear resistance, good dynamic properties and heat-ageing resistance. The polymer composition based on butadiene-acrylonitrile elastomer (SKN-26) and polyvinyl chloride (PVC) is modified with aluminium oxide nanoparticles. The polymer composition based on butadiene-acrylonitrile elastomer (SKN-26) polyvinyl chloride (PVC) contains sulphur, captax, thiuram, stearin and aluminium oxide. |
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Invention relates to processing polymers into structural materials which are suitable for extruding profiled construction products, primarily siding. The method of producing the composition involves two-step mixing. Cold starting components are successively fed into a first mixer heated to 110-125°C: 40-80 wt % of the total amount of suspended polyvinyl chloride, filler, followed by target additives with a heat stabiliser - tin dibutyl-bis-(2-ethylhexylmaleate), premixed with 3-5 wt % of the total amount of suspended polyvinyl chloride, mixed until temperature of 115-125°C is achieved; the obtained mixture is fed into a second water-cooled mixer; the remaining amount of suspended polyvinyl chloride is added and mixing continues until temperature of the mixture reaches 40-45°C. A composition obtained using said method is disclosed. |
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Invention relates to composite polymer materials based on a butadiene-acrylonitrile elastomer, which are widely used in cable production and footwear industry. The composition contains a butadiene-acrylonitrile elastomer SKN-26, polyvinyl chloride, sulphur, captax, thiuram, stearine and technical carbon. Components are in the following ratio, pts.wt: butadiene-acrylonitrile elastomer SKN-26-80, polyvinyl chloride 20, sulphur 1.8, captax 1, thiuram 0.2, stearine 0.2, technical carbon 0.1-5.37. The polymer composition is modified by technical carbon nanoparticles with average particle size of 20-30 nm, the amount of which is determined using the following formula: c=0.1en, where n=0, 1, 2, 3, 4, e=2.7. The invention can be used in producing vulcanisates with high tensile strength, tear resistance, good dynamic properties and heat-ageing resistance. |
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Crushed stone mastic asphalt concrete mixture and method of its production Mixture includes crushed stone, sand of grinding siftings, a mineral powder, bitumen, a mixture of rubber thermoelastoplastic and a fibrous cellulose additive, an adhesive nitrogen-containing additive. The ratio of the components is as follows, wt %: crushed stone - 65.0-75.0, sand of grinding siftings - 5.0-17.0, mineral powder - 10.0-20.0, bitumen - 5.5-7.5, rubber thermoelastoplastic - 0.2-0.6, fibrous cellulose additive - 0.2-0.6, adhesive additive - 0.05-0.15. The volume ratio of the rubber thermoelastoplastic and the fibrous cellulose additive makes accordingly 30-70% and 70-30%. When making the asphalt-concrete mixture, crushed stone, sand from grinding siftings and mineral powder are introduced into an asphalt mixer and mixed. Then the mixture of the rubber thermoelastoplastic and fibrous cellulose additive is introduced. Then bitumen is introduced. Besides, the mixture of the rubber thermoelastoplastic and the fibrous cellulose additive is produced by mixing in process of transportation along a helical conveyor. The adhesive additive is introduced into bitumen prior to its supply into the asphalt mixer. |
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Method of producing high-strength frictional moulding material Invention relates to production of frictional moulding materials which can be used in making brake pads, clutch plates and when producing high-strength structural materials for mechanical engineering, electrical engineering and other purposes. The method involves adding a solution of a modifier and a lubricant into a water-emulsion or water-alcohol phenol-formaldehyde resin by mixing to a homogeneous state. The obtained product is then mixed with an inorganic fibre filler and mineral powder, dried, pelleted and moulded. The modifier used is a water-soluble epoxy resin obtained by reacting epoxy diane resin with polyethylene glycol and a technical mixture of dioxane alcohols in the presence of a tertiary amine. Components are in the following ratio, pts.wt: phenol-formaldehyde resin in terms of dry mass - 100, modifier in terms of dry mass - 20-120, inorganic fibre filler - 40-300, mineral powder - 10-90, lubricant - 1-8. |
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Composition contains the following (pts.wt): epoxide oligomer 29-35, oligoamidoamide 4-7, hollow glass microspheres 25-33, ammonium phosphate 15-21.5, aliphatic amine 8-12, catalyst 0.5-1, rubber 3-6 and powdered filler 2.5-3.5. |
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Elastomeric composition contains a combination of polymers, filler, plasticising additives, vulcanising agents in form of sulphur and sulphur-containing compounds and a mixture of nanostructured modifiers. The polymer combination consists of a mixture of synthetic isoprene rubber and stereoregular butadiene rubber, filler - combination of technical carbons, plasticising additives - stabilising system consisting of naphtham-2 and paraffin. |
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Thermoplastic elastomeric material Material is made from a composition which contains rubber, thermoplastic, a sulphur vulcanising system or a resin vulcanising system based on alkyl phenol-formaldehyde resin, stearic acid and powdered filler. The filler is selected from a group comprising natural mineral schungite which contains technical carbon in amount of 0.4-5.2 wt %, kaolin or chalk. The vulcanising systems contain zinc oxide as a vulcanisation activator. The rubber used is butadiene-nitrile rubber containing 18-50 wt % acrylonitrile. The thermoplastic used is polyvinyl chloride containing, per 100 pts.wt polyvinyl chloride, 20-100 pts.wt mixture of dioctyl adipate with 2.7-3.2 pts.wt epoxidated soya oil (ESO), or 20-100 pts.wt mixture of dibutyl sebacate with 2.7-3.2 pts.wt ESO or 20-100 pts.wt mixture of dioctyl phthalate with 2.7-3.2 pts.wt ESO. The filler has particle size ranging from 10 nm to 200 nm and outer specific surface area ranging from 20 to 40 m2/g. Components of the composition are in the following ratio, pts.wt: rubber -100, thermoplastic - 90-260, vulcanising system - 0.55-6, zinc oxide - 2-7, stearic acid - 0.7-2, filler - 1-100. |
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Mixture contains butadiene-nitrile rubber, polyvinyl chloride, sulphur, sulphenamide C, zinc oxide, stearine, technical carbon, antipyrenes, naphtham-2, diaphene and N-nitrosodiphenylamine. |
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Light frost-resistant material with low flammability Invention relates to polymer processing, particularly production of synthetic leather which can be used for technical and special-purpose articles. The composition contains a film-forming agent - suspended polyvinyl chloride; plasticisers - dioctyl phthalate, dioctyl sebacate, BNKS-28 synthetic butadiene-nitrile rubber; stabiliser, barium, cadmium, zinc-containing complex Vigostab BKT; antipyrene derivatives - antimony trioxide, Ecopyrene 5S magnesium hydroxide, XP-470 chlorinated paraffin, zinc oxide; dispersant - ethylene bis-stearamide; filler - chalk; pigments. |
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Mixture containing quarternary ammonium compound and its application Mixture according to the invention may be produced so that a) at least one quarternary organic ammonium compound and at least one water soluble organic polymer are mixed with each other in water and optionally the produced water mix is then dried, or b) at least one powdered quarternary organic ammonium compound and at least one powdered water soluble organic polymer are mixed with each other, or c) at least one liquid and/or dissolved quarternary organic ammonium compound is applied onto at least one powdered water soluble organic polymer, in particular, with the help of spraying, adsorbing, mixing, drying in a pseudofluidised layer and/or granulation. |
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Composition for producing moulding material Invention relates to production of moulding material for making articles for general industrial purposes. The composition for producing moulding material contains novolac-type phenol-formaldehyde resin, urotropin, butadiene-nitrile rubber, zinc borate, silica fibre filler, calcium stearate or zinc stearate and processed chrysotile asbestos. |
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Rubber mixture for tyres and pneumatic tyre Rubber mixture for tyre tread rubber contains 0.1-10 pts.wt first zinc oxide particles with mean diameter of 1-150 nm per 100 pts.wt rubber component, and not more than 2.5 pts.wt second zinc oxide particles with mean diameter of at least 200 nm per 100 pts.wt rubber component. A tyre or tyre components are also made from the disclosed rubber mixture. This rubber mixture for tyres is suitable for use in making tyre tread rubber, tread base rubber, side wall filler rubber, rubber for the squeezed part and rubber for inner lining of tyres. |
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Polymer composition for producing film materials and artificial leather Polymer composition for producing film materials and artificial leather contains a film-forming agent - suspended polyvinyl chloride, a phthalate plasticiser, a mixture of dioxane alcohols and high-boiling ethers thereof, chlorinated paraffin, a metal-containing stabiliser, a pigment, calcite filler, a lubricant - stearic acid and a surfactant. The pigment and calcite filler are in ratio 1:(10-20). |
Another patent 2546909.