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Chemical additive for cement concretes and building mortars. RU patent 2290374. |
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FIELD: manufacture of building materials. SUBSTANCE: invention proposes composition of chemical additive for cement concretes and is pretended for use in construction of reinforced-concrete installation. Additive, in particular, contains 5.0-10.0% sodium chloride, 20.0-40.-% potassium carbonate, and sodium sulfate - the rest. EFFECT: increased strength in early solidification phases under heat-moisture treatment of reinforced-concrete parts and reduced consumption of additive. 4 ex
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Chemical additive for cement concretes and building mortars / 2284973 Additive suitable for use in cement concretes and building mortars contains, wt %: sodium chloride 60.0-75.0, potassium sulfate 0.001-0.012, calcium sulfate 0.005-0.025, magnesium sulfate 0.001-0.012, and balancing amount of industrial-grade lignosulfonates with content of reducing substances no higher than 8%. Amount of additive needed to be added is lower by 0.3-0.5% based on the weight of cement. |
Complex additive / 2278839 Proposed complex additive includes amylose and additionally silicic acid sol at the following ratio of components, mass-%: amylose, 30-40; silicic acid sol, 60-70. |
Chemical additive for cement concrete and mortar mix / 2278081 Claimed additive contains (mass %): crude lignosulfonates 25-35; sodium chloride 5-10; potassium carbonate 20-25; and balance: sodium sulfate. |
Chemical additive for cement concretes and building mortars / 2278080 Invention relates to composition of complex additives and can find use in building material industry. Chemical additive contains 25-35% industrial-grade lignosulfonates, 20-30% sodium the balance., 0.5-1.5% trisodium phosphate, and sodium sulfate (the rest). |
Complex additive / 2273613 Complex additive is meant for use in cement binder compositions served for manufacturing quick-setting mortars and concretes. Complex additive, containing superplasticizer S-3 (14-28%) and sodium sulfate (14-28%) is further supplemented by industrial-grade lignosulfonate as unwatering agent (3-7%), aluminum sulfate as densifier (14-28%), and potassium carbonate as antifreeze admixture (30-50%). |
Building composition and powdered additive for building composition (lignopan) / 2272008 In a building composition including (kg/m3) mineral binder (250-600), aggregate (1050-1900), water (120-300), and powdered additive containing Lignopan B1 in amount 0.25-0.45% of the weight of mineral binder, said additive further contains sodium thiosulfate and/or aluminum thiosulfate in amounts 5-11% of the total weight of additive. Mineral binder is selected from Portland cement, Portland blast-furnace cement, lime-silica binder, and gypsum cement-pozzolana binder. Aggregate can be selected from quartz sand with fineness modulus 2.0-3.0 and broken stone fraction 5-400 mm or 5-20 mm mixed with above quartz sand at ratio 1.4:2.0. Building composition is intended for use when preparing concrete or mortar mixes in manufacture of concrete and reinforced concrete parts and units of prefabricated or in-situ construction as well as in construction, operation, and repair of wells. |
Building mortar / 2270823 Building mortar including Portland cement, sand, foaming agent, and water contains, as foaming agent, protein-containing substance modified with complex modifier M-3 consisting of 0.04% aqueous emulsion of colophony and 0.1% aqueous solution of gelatin using following proportions: 3.6-3.8% of protein-containing substance, 57.6-57.8% of colophony emulsion, and 38.5-38.6% of gelatin solution. Mortar further contains stabilizer, in particular orthosilicic acid (H4SiO4) sol with pH 3.1-4.0 and potassium ferricyanide additive. Total composition of mortar is thus as follows, wt %: Portland cement 40.770-42.410, sand 39.621-40.728, modified protein-containing foaming agent 2.311-2.374, orthosilicic acid sol 0.023-0.025, potassium ferrocyanide 0.061-0.063, and water 15.575-16.040. Mortar is suitable for use when mason's and plastering operations are carried out. |
Raw mix / 2270818 Raw mix for high-strength concrete obtaining involves Portland cement in amount of 43.21-44.40% by weight, sand in amount of 16.90-17.24% by weight, crushed stone in amount of 27.56-8.14 % by weight, silica containing component, namely sol of ortho-silicic acid H4SiO4 having pH=3.1-4.0 taken in amount of 0.26-0.27% by weight, additive, namely potassium formate CHOOK in amount of 0.06-0.07% by weight and water in amount of 10.82-11.07% by weight. |
Complex additives for dry plaster blends / 2257356 Complex additive including methylcellulose (1 wt part) ground together with industrial-grade calcium chloride, 0.8-1.2 wt parts, and ground silicate block, 0.8-1.2 wt parts. |
Chemical additive for cement concretes and building mixes / 2255067 Chemical additive contains 69.5-78 sodium chloride, 0.05-0.5% sodium hexametaphosphate, and crude lignosulfonates (the rest). |
Foaming agent for heat-insulating concrete / 2288203 Foaming agent comprises, in mass fractions, 100 of keratin-containing product, 28-50 of sulfate ferrous oxide, 10-70 of industrial caustic soda, 90-60 of industrial sulfuric acid, and 600-670 of water. |
Concrete mixture / 2288199 Concrete mixture comprise, in mass %, 6-12 of Portland cement, 4-6 of fly ash, 35-40 of metallurgical slag, 35-40 refuse dump rock reduced to ash, and water. |
Concrete mixture / 2288198 Concrete mixture comprises, in mass %, 20-22 of Portland cement, 43-44 of quartz sand, 3.5-5 of mineral fiber, and water. |
Silicate mixture / 2285681 Invention relates to a silicate mixture comprising water glass, modifying additive and quartz sand wherein it comprises potash and sodium silicofluoride as a modifying additive in the following ratio of components, wt.-%: water glass, 36.4-36.6; sodium silicofluoride, 7.25-7.3; potash, 1.2-1.85, and quartz sand, 54.5-54.9. Invention can be used in making bistable building materials and articles, for examples, mastics, pastes, articles of cellular structure. Invention provides enhancing the biological stability of compositions and retaining the sufficient strength. |
Chemical additive for cement concretes and building mortars / 2284973 Additive suitable for use in cement concretes and building mortars contains, wt %: sodium chloride 60.0-75.0, potassium sulfate 0.001-0.012, calcium sulfate 0.005-0.025, magnesium sulfate 0.001-0.012, and balancing amount of industrial-grade lignosulfonates with content of reducing substances no higher than 8%. Amount of additive needed to be added is lower by 0.3-0.5% based on the weight of cement. |
Method of preparing foaming agent and foaming agent prepared by this method / 2284308 Invention relates to preparation of building mortars using foaming agent based on animal-origin protein material and can be employed in manufacture of parts needed in construction of buildings from foamed concrete. In a foaming agent preparation method comprising hydrolysis of animal-origin raw material in presence of alkali to form extract, neutralization of extract with a strong acid, salitization of the strong acid and subsequent dehydration, neutralization of extract is followed by cooling and dehydration by way of mixing cooled extract with dispersant taken in weight proportion to extract between 1:20 and 1:100 and drying mixture to achieve moisture content not higher than 5%. It is advantageous to use dispersant with specific surface 350-1000 m2/m3. Such dispersant can be any mineral and/or organic substance showing dispersing and sorption properties: finely ground minerals, e.g. chalk; mineral fibers, e.g. basalt fiber; various silica-containing substances, e.g. microsilica, silica gel, white black, finely ground pane or packaging glass, finely ground clay; alumina-containing substances, e.g. α-corundum; titanium dioxide; zinc dioxide; as well as wood flour, textile dust, finely crushed rubber, and disintegrated woodworking and pulp-and-paper industry wastes, e.g. scope; and mixtures of dispersed substances, including those listed above. |
Method of preparing foaming agent and foaming agent prepared by this method / 2284308 Invention relates to preparation of building mortars using foaming agent based on animal-origin protein material and can be employed in manufacture of parts needed in construction of buildings from foamed concrete. In a foaming agent preparation method comprising hydrolysis of animal-origin raw material in presence of alkali to form extract, neutralization of extract with a strong acid, salitization of the strong acid and subsequent dehydration, neutralization of extract is followed by cooling and dehydration by way of mixing cooled extract with dispersant taken in weight proportion to extract between 1:20 and 1:100 and drying mixture to achieve moisture content not higher than 5%. It is advantageous to use dispersant with specific surface 350-1000 m2/m3. Such dispersant can be any mineral and/or organic substance showing dispersing and sorption properties: finely ground minerals, e.g. chalk; mineral fibers, e.g. basalt fiber; various silica-containing substances, e.g. microsilica, silica gel, white black, finely ground pane or packaging glass, finely ground clay; alumina-containing substances, e.g. α-corundum; titanium dioxide; zinc dioxide; as well as wood flour, textile dust, finely crushed rubber, and disintegrated woodworking and pulp-and-paper industry wastes, e.g. scope; and mixtures of dispersed substances, including those listed above. |
Method for production of fine granular additive to be added to cement composite / 2283292 Method involves obtaining mixture including fine mineral component and surfactant solution; drying the mixture; dispersing thereof into fine granules. Mixture obtaining method involves making air-beaten foam of 10-35% surfactant solution, namely untreated sulfate soap; stabilizing thereof with liquid glass taken in amount of 15% of above solution mass; adding fine mineral component, namely microsilica, to the foam. Solution/ microsilica ratio is 1:0.09-1.2. The mixture is laid in moulds and dried under temperature of 20-110°C. |
Phosphate material / 2278842 Invention relates to building materials, in particular, to phosphate material comprising ortho-phosphoric acid with density value 1.22-1.23 g/cm3 and, additionally, waste from foam concrete manufacture of autoclave hardening with density value D 600, the content of calcium hydrosilicates and calcium hydroxide 5-40 wt.-% in the following ratio of components, wt.-%: indicated waste of foam concrete manufacture, 75-80, and ortho-phosphoric acid, 20-25. Invention can be used in making building blocks. Invention provides the creature of new phosphate material of delayed seizing time and in waterproofing retaining. |
Foamed material and method for production thereof / 2268248 Claimed material is obtained from raw mixture containing (mass %): liquid glass 87-94; gel-forming agent such as potassium bichromate (K2Cr2O7) 0.1-1.0; fine dispersed filler such as marble flour or hydroxyapatite 3-10; and water 1-2. Components are agitated in mixer for 2-5 min followed by granulation in aqueous solution of calcium chloride and aluminum chloride mixture taken in ratio of AlCl3:CaCl2:H2O = (1-2):88:370 mass pts, wherein said solution has density of 1300 kg/m3. Obtained liquid glass bead is dried at 80-90°C up to finished moisture of 35-38 % and fed into metal mould in amount sufficient to produce articles of desired density. Heat treatment in mould is carried out at variable temperature regimes, namely mould is heated to 600-700°C for 1 min; material is conditioned at 600-700°C for 5-7 min; quenched at 450°C for 1 min; and conditioned at 450°C for 15-20 min. Then mould is cooled to 40-60°C, broken down and finished article is taken out. |
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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