RussianPatents.com
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Composition for producing construction articles. RU patent 2411204. |
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FIELD: chemistry. SUBSTANCE: invention relates to compositions for producing construction articles and can be used in the building industry. The composition for producing construction articles, which contains ground gypsum rock, magnesium oxide and water, also contains talc and synthetic fibrous filler, with the following ratio of components in wt %: ground gypsum rock 85-87, magnesium oxide 0.1-1.0, talc 0.3-2.0, synthetic fibrous filler 0.2-0.5, water - the rest. EFFECT: high strength of construction articles. 1 tbl
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Mass for production of gypsum boards / 2410347 Mass for production of gypsum boards includes, wt %: water 680-720, waste paper 15-20, calcium sulfate dihydrate or phosphogypsum 75-80, urea formaldehyde resin 4.8-5.2, starch 2.2-2.6, carboxymethylcellulose 0.02-0.04, synthetic fibrous filler 1.4-2.0. |
Sculptural material / 2409530 Sculptural material contains, wt %: gypsum 50.0-54.0, water 37.0-39.5, ground chalk 8.0-12.0, starch 0.5-1.0. |
Heat-insulating composite material / 2409529 Heat-insulating composite material may find application in construction of low-rise buildings of industrial and agricultural purpose, residential buildings, and also in making of room and apartment dividers. Heat-insulating composite material contains, wt %: gypsum cement 32…51, acid fluoride 2.39…2.58, urea-formaldehyde resin 12.0…12.93, peat 10.26…24 and water 24.0…28.0. |
Flooring composition / 2408554 Invention relates to the industry of construction materials, particularly compositions for construction of heat-insulated floors. The flooring composition contains the following, vol. %: gypsum 15-20; sawdust 52-61; water 20-25; potassium alum 1-1.5; liquid glass 2-2.5. |
Additive for gypsum binder, dry construction mixtures, mortar and concrete based thereon / 2408551 Invention relates to construction materials, specifically to an additive for gypsum binder, dry construction mixtures, mortar and concrete based thereon, used in construction of residential and public buildings. The additive for modifying gypsum binder, dry construction mixtures, mortar and concrete contains powdered calcium hydroxide, potassium hydroxide, plasticiser - sodium polycarboxylate, antifoaming agent AXILAT, water-repellent agent - sodium polymethylsiliconate and a setting retarder - sodium gluconate in the following ratio, wt %: calcium hydroxide 52.0-70.8, potassium hydroxide 1.0-4.6, sodium polycarboxylate 13.5-18.3, AXILAT 4.1-7.0, sodium polymethylsiliconate 6.6-12.0, sodium gluconate 4.0-6.1. Said additive has specific surface area of 710-720 m2/kg. |
Construction materials based on gypsum with high heat conductivity and attenuation during shielding / 2405750 Invention relates to construction materials based on gypsum, containing ground compact expanded graphite from intercalated graphite compounds in amount of 5-50%, preferably maximum of 25%, in terms of dry mass of the construction material, as well as to a method of producing said construction material involving the following steps: obtaining an intercalated graphite compound, thermal expansion of the intercalated graphite compound to form expanded graphite, compressing the expanded graphite to form a two-dimensional structure with thickness of 0.1-3 mm, preferably a maximum of 1 mm, and density of 0.8-1.8 g/cm3, grinding the obtained compacted expanded graphite and addition of the obtained ground mass to the gypsum-based construction material. The invention also pertains to an article moulded from the said construction material and a method of making said moulded article, as well as to use of the said moulded article. The invention is developed in subclaims of the formula of invention. |
Schungite-based composite material and method of producing said material / 2405749 Invention relates to production of composite material based on schungite and gypsum, which can be used in making ecologically clean construction articles for facing tiles, wall blocks and panels, for medical purposes and as an agent for protection from radiation. The composite material contains the following, wt %: construction gypsum binder or a mixture of construction and high-strength gypsum 18-38, calcium hydroxide 0.5-1.0, plasticiser - sodium polycarboxylate 0.5-0.8, setting retarder - amidox 0.2-0.5, natural schungite chips with size of 5-20 mm 51-74 and water - the rest. The method of producing said material involves mixing schungite chips with a solution of sodium polycarboxylate and amidox in water, adding powdered calcium hydroxide and gypsum binder to the obtained mass while stirring until obtaining schungite chips uniformly covered with the suspension. |
Quick-drying gypsum products / 2404334 Gypsum suspension contains water, hydraulic material containing at least 50 wt % of calcium sulfate hemihydrate, and polycarboxylate disperser with a molecular weight from 20000 to 80000 Da, containing a repeating link such as an ether of vinyl alcohol, a repeating link such as acrylic acid and a repeating link such as maleic acid. A wall board includes at least one part made of lining material fixed to the gypsum core, where the specified core is made of the above mentioned gypsum suspension. |
Efficient application of dispersers in foam-containing wall board / 2404148 Method for application of foam and disperser in suspension of gypsum includes mixing plaster gypsum, the first disperser and the first amount of water, to produce gypsum suspension, mixing of soap, the second disperser and the second amount of water, to produce foam, and mixing foam and suspension. Method for efficient application of dispersers in core of gypsum wall board includes mixing plaster gypsum, the first disperser and the first amount of water to produce gypsum suspension, mixing of soap, the second disperser and the second amount of water to produce foam, mixing foam and suspension, pouring suspension onto lining material, formation of suspension into board and making it possible for suspension to harden, to create a core of wall board. Invention is developed in subclaims of formula of invention. |
Polymerisation of siloxane in wall boards / 2404147 Suspension contains gypsum plaster, fly ash of class C, magnesium oxide, emulsion of siloxane and water. Method for manufacturing of water resistant gypsum items includes preparation of emulsion from siloxane and water, mixing magnesium oxide and fly ash of class C with gypsum plaster, combination of siloxane emulsion and mixture of gypsum plaster and catalyst, shaping of suspension, its soaking until setting to produce a core of wall board, siloxane polymerisation. Water-resistant gypsum panel, core of which consists of interpenetrating matrices of calcium sulfate dihydrate crystals and silicone resin, where there is a catalyst containing magnesium oxide and components of fly ash of class C distributed inside specified interpenetrating matrices. |
Mass for production of gypsum boards / 2410347 Mass for production of gypsum boards includes, wt %: water 680-720, waste paper 15-20, calcium sulfate dihydrate or phosphogypsum 75-80, urea formaldehyde resin 4.8-5.2, starch 2.2-2.6, carboxymethylcellulose 0.02-0.04, synthetic fibrous filler 1.4-2.0. |
Method to prepare mixture for sand-lime brick and sand-lime brick / 2409531 Method to prepare mixture for sand-lime brick includes grinding of cellular glass down to grain size of 3.0-10.0 mm, its impregnation to saturation with lime suspension, containing 10 wt % of solid substance Ca(OH)2 and 0.5-7.0 wt % of hydroxide of univalent alkaline metal, mixing of produced material with slaked lime, additional moistening to moulding humidity. Sand-lime brick is characterised by the fact that it is made of raw mix prepared by the method specified above, is moulded as a piece under pressure and has been through hydrothermal treatment in autoclave. |
Building mortar / 2409528 Building mortar, containing dry mix that only requires dilution with water and including the following components, wt %: portland cement 15.0-30.0, quartz sand with grain from 0.1 to 0.5 mm 50.0-70.0, lime flour with grain 0.1-0.5 mm 3.0-10.0, quartz sand with grain up to 0.3 mm 3.0-10.0, modified ether of cellulose 0.05-0.5, hydrophobic reagent - mixture of sodium oleate and calcium stearate 0.05-0.5, pigment 1.0-5.0, flaky silicate of nanometric dimensions 0.05-1.0. |
Raw mixture for making heat-insulating layer / 2408556 Invention relates to industry of construction materials. The raw mixture for making a heat-insulating layer contains the following, wt %: synthetic fibre filler 6.0-9.0; liquid glass 25.0-30.0; ground chalk 5.0-10.0; water 30.0-35.0; ground waste paper 24.0-26.0. |
Method of preparing mixture for making light silicate construction articles and construction article / 2408555 Invention relates to the industry of construction materials and can be used in making silicate wall articles - slabs, bricks, blocks and wall panels. The method of preparing a mixture for light silicate walling materials involves saturation of 3.0-20.0 mm particles of foamed glass - heat insulation, soundproof or mixture thereof with a lime suspension containing 10 wt % solid substance Ca(OH)2 and 0.5-7.0 wt % hydroxide of a monovalent alkali metal, mixing the obtained material with jointly ground lime and silica components, moistening to moulding-moisture content. The construction article in form of a slab or brick or blocks or wall panels obtained from the raw mixture prepared using the disclosed method is moulded in form an article and undergoes hydrothermal treatment in an autoclave. |
Method of preparing mixture for making light silicate construction articles and construction article / 2408555 Invention relates to the industry of construction materials and can be used in making silicate wall articles - slabs, bricks, blocks and wall panels. The method of preparing a mixture for light silicate walling materials involves saturation of 3.0-20.0 mm particles of foamed glass - heat insulation, soundproof or mixture thereof with a lime suspension containing 10 wt % solid substance Ca(OH)2 and 0.5-7.0 wt % hydroxide of a monovalent alkali metal, mixing the obtained material with jointly ground lime and silica components, moistening to moulding-moisture content. The construction article in form of a slab or brick or blocks or wall panels obtained from the raw mixture prepared using the disclosed method is moulded in form an article and undergoes hydrothermal treatment in an autoclave. |
Mixture for preparing waterproofing sutural composition having penetrating effect / 2408553 Disclosed is a mixture for preparing a waterproofing sutural composition having penetrating effect and relates to agents used for endowing cold construction joints, joints and abutments in reinforced concrete structures, cracks and exposed cavities in concrete with water resistance. The invention solves the problem by creating a new insulating composition in which the waterproofing effect is achieved owing to inorganic salts (nitrates and chlorides of alkali and alkali-earth metals, sodium sulphate, carbonates and hydrocarbonates of alkali metals), which ensure plugging of pores in construction materials (mud injection), as well as partial or complete replacement of sand filler with tripoli, diatomite, silicic rock, clay-bentonite, which are filling materials which increase water resistance of concrete and mortar, since they swell in conditions of saturated calcium hydroxide solution and mud fill capillaries and leakages; cracking resistance is achieved due to use of fibre in the composition. |
Additive for gypsum binder, dry construction mixtures, mortar and concrete based thereon / 2408551 Invention relates to construction materials, specifically to an additive for gypsum binder, dry construction mixtures, mortar and concrete based thereon, used in construction of residential and public buildings. The additive for modifying gypsum binder, dry construction mixtures, mortar and concrete contains powdered calcium hydroxide, potassium hydroxide, plasticiser - sodium polycarboxylate, antifoaming agent AXILAT, water-repellent agent - sodium polymethylsiliconate and a setting retarder - sodium gluconate in the following ratio, wt %: calcium hydroxide 52.0-70.8, potassium hydroxide 1.0-4.6, sodium polycarboxylate 13.5-18.3, AXILAT 4.1-7.0, sodium polymethylsiliconate 6.6-12.0, sodium gluconate 4.0-6.1. Said additive has specific surface area of 710-720 m2/kg. |
Putty / 2405751 Invention relates to construction materials and putty for correcting defects of sinks and small cracks on concrete surfaces. The putty contains the following, wt %: ground chalk 45.0-55.0; colloidal-cement adhesive 45.0-55.0. |
Construction materials based on gypsum with high heat conductivity and attenuation during shielding / 2405750 Invention relates to construction materials based on gypsum, containing ground compact expanded graphite from intercalated graphite compounds in amount of 5-50%, preferably maximum of 25%, in terms of dry mass of the construction material, as well as to a method of producing said construction material involving the following steps: obtaining an intercalated graphite compound, thermal expansion of the intercalated graphite compound to form expanded graphite, compressing the expanded graphite to form a two-dimensional structure with thickness of 0.1-3 mm, preferably a maximum of 1 mm, and density of 0.8-1.8 g/cm3, grinding the obtained compacted expanded graphite and addition of the obtained ground mass to the gypsum-based construction material. The invention also pertains to an article moulded from the said construction material and a method of making said moulded article, as well as to use of the said moulded article. The invention is developed in subclaims of the formula of invention. |
Method for production of concrete plasticizer from distillery dreg / 2243950 Method includes centrifugal preseparation of distillery dreg to provide concentrate, treatment obtained concentrate with alkali carbonate to pH 8-11, followed by addition of superplasticizer or lignosulfonate solution providing ratio of total amount of alkali carbonate and concentrate to amount of solution ‹1. Superplasticizer or lignosulfonate solution is added to obtained centrifuge effluent, providing ratio of centrifuge effluent to said solution from 0.2 to 2.0 to produce another plasticizer. Dry alkali carbonate content is not more than biomass content in raw distillery dreg. Method of present invention is useful in concrete mixtures manufacturing for producing of precast concrete and cast-in-place constructions. |
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