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RussianPatents.com
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Additive for concrete mix. RU patent 2379242. |
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FIELD: construction engineering. SUBSTANCE: additive for concrete mix contains, wt %: cellulose liquor with pH=5.5±0.5, solids content 4.5±0.5 wt % and density 1.016 g/cm3, 88.98-91.20, sodium fluoride 0.40-0.50, 30% hydrogen peroxide - 0.40-0.50, microsilica with specific surface Ssp=2000 m2/kg 8.00-10.02. EFFECT: higher bending strength and water resistance, reduced contraction. 1 tbl
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 Additive for concrete mix / 2378208Invention is related to construction materials and may be used as additive for concretes and construction mortars. Additive for concrete mixture contains wt %: after-yeast stillage with content of dry substances - 4.0-5.0 wt %, pH-5.0-6.0, density - 1.016 g/cm3 73.80-76.20, sodium fluoride 0.30-0.50, manganese dioxide 0.70-0.90, calcium hydroxide 0.70-0.90, microsilica with S"уд"=2,000 m2/kg 22.10-23.90. |
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Method of getting complex additive agent into concrete mixtures and construction mortars / 2343128 Superplasticising agent C-3, lignosulphonates, technological and sulfur-containing products - salts of desulfurisation of coke and by-products or sodium sulfate, or antichlor or their mixture are mixed at weight ratio of the mixture C-3 with lignosulphonates technological and sulfur-containing products (70-120):(5-30). Sulfur-containing agents are preliminary crushed in hammer grinder at centrifugal acceleration of 180-220 g reaching specific surface area 700-800 m2/kg, and superplasticising agent C-3 and technological lignosulphonates are mixed at weight ratio (20-30):(50-70) in a centrifuge at centrifugal acceleration of 1-3 g within 2.5-3.5 minutes and further powdered in roll crusher with inter - roll gap of 0.5-1.0 mm. |
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Chemical admixture for cement concretes and building mortars / 2337079 Chemical admixture for cement concretes and building mortars contains, wt %: technical lignosulfonates - 15-30, sodium sulfate - 40-55, sodium carbonate - the rest. |
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Complex addition / 2323906 Complex addition includes calcium chloride, natrium and kalium and natrium sulphate, kalium and iron, technical lignosulphonate and amine, contains as amine 20-25 mass.h. triethanolamine and 12-14 mass.h. carbide and additionally the cube rest of natural synthesis of production 1,4-butandiol, polyvinyl pyrrolidone, γ - butyrolactona, rectification of methylpyrrolidone and regeneration of monoethanolamine with the following ratio, mass %: the mentioned chloride 30-65, the mentioned sulfide 10-35, technical lignosulphonate 3-20, amine 5-40, the mentioned cube rest of natural synthesis 0.5-3. |
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Additive for concretes and mortars and method of production of such additive / 2320602 Proposed additive for concrete and mortars includes lignosulfonates, nitrate-containing component and neutralizing agent; used as nitrate-containing component is calcium nitrate; used as neutralizing agent is potassium hydroxide; additive includes additionally foam suppressor and biocide at the following ratio of components, mass-%: (dry substance) lignosulfonates, 80-91; calcium nitrate, 8-15; foam suppressor, 0.2-0.4; biocide, 0.1-0.3; the remainder being potassium hydroxide. Method of production of such additive includes preparation of 10-35-% calcium solution in water heated to temperature of 60-65 C followed by cooling of this solution to temperature of 35-45 C and successive introduction of foam suppressor, biocide, lignosulfonates and potassium hydroxide into it for obtaining the solution at density of 1.16-1.17 kg/m3 at pH= 8.4-9. This additive may be obtained in powder-like state by drying the solution to moisture content of W=4-5%. |
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Additive for concrete and mortars and method of preparation of such additive / 2320600 Proposed additive contains commercial lignosulfonates, foam suppressor, superplasticizing agent on base of naphthalene or melamine sulfonic acid, calcium nitrate, biocide and potassium hydroxide at required ratio of components. |
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Complex additive and raw mixture for preparing concrete / 2312835 Invention relates to a complex additive used in producing concrete and to a raw mixture used in manufacturing building constructions. Complex additive for producing concrete containing technical lignosulfonates and caustic contains caustic concentrate obtained after boiling foliate monosulfite cellulose in ammonium or sodium base as a caustic in the following ratio of components, wt.-%: technical lignosulfonates, 85-95, and indicated caustic concentrate, 5-15. The raw mixture used for manufacturing concrete comprises components in the following ratio, wt.-%; binding agent, 16.82-16.85; small filling agent, 19.44-19.47; large filling agent, 56.67-56.8; indicated complex additive, 0.04204-0.04212, and water, the balance. Invention provides enhancing strength of concrete and accelerating time for its hardening. |
 Complex additive for concrete mixes and building mortars / 2310619Proposed complex mix contains mixture on base of sodium thiosulfate and rhodanide, commercial lignosulfonates and amkirose at the following ratio of components, mass-%: mixture of salts on base of sodium thiosulfate and rhodanide, 50-98; commercial lignosulfates, 1.0-49; the remainder being amkirose. |
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Multi-purpose dry cement composition / 2303579 Proposed dry cement composition is used for masonry from cellular concrete blocks, gas-and-ash concrete blocks inclusive and light concretes, it may be also used as putty mixture for external and internal surfaces of buildings and structures from cellular concrete, ceramic and lime-and-sand bricks, expanded-clay lightweight concrete and concrete. Proposed dry cement composition contains Portland cement, calcium-containing component, re-dispersed powder, cellulose ester, modifying additive; used as calcium-containing component is ground marble and used as re-dispersed powder are monomers of vinyl acetate, ethylene, polyvinyl alcohol Mowilith Pulver DM 1142P; used as cellulose ester is Walocer MKX 25000PF50L; used as modifying agent is are water-repellent agents in form of sodium oleate and calcium stearate and additionally lime-and-ash binder, fly ash of Reftinsk steam central power plant, air-entraining component in form of lauryl of sodium sulfate, anti-frothing agent in form of polyglycols of liquid hydrocarbons - Agitan P9=801 and/or superplasticizing agent of form of sulfo-melamine formaldehyde at the following ratio of components, mass-%: Portland cement, 19.00-27.50; ground marble, 10.00-10.50; re-dispersed powder, 1.10-1.80; cellulose ester, 0.20-0.25; sodium oleate, 0.10-0.30; calcium stearate, 0.10-0.30; lime-and-ash binder, 4.50-5.0; fly ash of Reftinsk steam central power plant, 54.75-64.33; air-entraining component, 0.01-0.02; anti-frothing agent, 0.10-0.15 and superplasticizing agent, 0.05-0.10. Lime-and-ash binder may contain lime and ash of Reftinsk steam central power plant at ratio of components of 1:1. |
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Complex additive for concrete mixture / 2292315 Invention relates to a composition of complex additive for concrete mixture. The complex additive for concrete mixture comprising a plasticizing agent of naphthalene-formaldehyde type, technical lignosulfates and neutralized air-absorbing resin or saponified wood resin involves C-3 as indicated plasticizing agent in the following ratio of components, wt.-% (as dry matter): C-3, 60-98; technical lignosulfates, 0.05-25; neutralized air-absorbing resin or saponified wood resin, 0.05-6. Invention provides enhancing concrete strength after steaming. Proposed complex additive can be used in manufacture of concrete and ferroconcrete articles and constructions. |
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Clay-phosphate material / 2378219 Invention is related to the field of construction materials and may be used in reinforcement of soils, in industrial and civil construction. Clay-phosphate material, which contains loamy soil, iron-containing waste of metallurgical production with residue on sieve No. 008 5-7%, containing Fe(II) oxide, orthophosphoric acid with density of 1.25 g/cm3, additionally contains argillaceous materials - burnt clays with residue on sieve No. 008 5…7% with the following composition, wt %: Fe2O3 - 6.67; CaO - 2.12; SiO2 - 65.04; CaO - 2.12; MgO - 1.83; Al2O3 - 18.38; including Al2O3 act. - 3.63; Na2O - 1.32; TiO2 - 0.82; K2O - 3.11; SO3 - 0.14, at the following ratio of components, wt %: loamy soil - 40 - 42, specified waste - 12 - 13, argillaceous rocks - burnt clays - 17 - 18, orthophosphoric acid with density of 1.25 g/cm3 - the rest. |
 Building mortar / 2377209Invention refers to building mortar and can be implemented at industrial, special and civil building. The building mortar contains cement, sand, and wastes of copper melting production with the following contents of basic oxides, wt %: SiO2 - 29.60; Fe2O3 - 60.60; Al2O3 - 3.30; CaO - 1.60; CuO - 1.10; ZnO - 2.90; TiO2 - 0.40; PbO2 - 0.40; MnO - 0.04; NiO - 0.02; Cr2O3 - 0.03; CdO - 0.01, additive - sol of iron hydroxide (III) and water at the following ratio of components, wt %: cement - 15.23-16.42, the said wastes of copper melting production - 75.74-76.82, sol of iron hydroxide (III) - 0.04-0.05; and water - 7.8-7.9. |
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Complex additive / 2377206 Invention refers to building materials and can be used as complex additive at production of aerated concrete. Complex additive contains, wt %: foaming agent on protein base 12-13, aluminium oxide Al2O3 87 - 88. |
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Road-building material (versions) / 2361836 Road-building material based on cement contains mineral filler and water, in amount of 4-17 wt parts, liquid thiocol with molecular mass of 1,000-8,000 g/mole, which is able to react with cement or water included in material, 0.1-1 wt part of organosilicon resin with structure HS-R-(OR')3, in which R is alkyd group with direct or ramified chain of 1-10 carbon atoms, R' is reaction-capable group, such as -NH-group, vinyl group, -SH-group. Cement used is cement with shrinkage or expansion ratio less than 0.5%, selected from group including aluminate cement, sulfoaluminate cement, sulfoferrite cement, in amount of 4-17 wt parts. It contains filler in amount of 60-91 wt parts, water in amount sufficient for cement hardening and creation of target material, in which specified elastomer fills at least some of its pores and facilitates filler binding with cement. Material has porosity from 2 to 20%. The second version of road-building material is also characterised. |
 Water colloidal suspension of hydroxide of at least one transition element for reclamation of chrome in cement / 2338710Invention pertains to a water suspension of a hydroxide of at least one chosen transition element and/or tin, the redox potential or which is less than the redox potential of the pair CrO4 2-/Cr(OH)3 (-0.12 V) with pH ranging fro 2 to 11, excluding the limit values, for reclamation of chrome VI, contained in cement. The suspension contains from 0.5 to 80 wt % of solid substance in form of a hydroxide of at least one transition element and/or tin, with accounting for quantity of water and water soluble stabiliser. The invention is developed in the subsidiary claim. |
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Mineral cement expansion agent / 2332370 Invention relates to composition of mineral expansion agent and can be applied in production of cement used for grouting joints of built-up ferroconcrete constructions, water-proofing joints of hydrotechnical structures, production of ferroconcrete pressure pipes. Mineral cement expansion agent contains, mass %: Glauber's salt 20.0-30.0, magnesium oxide 35.0-40.0, pyrite cinder 2.0-3.0, highly-aluminous slag 25.0-30.0, double-water gypsum 3.0-7.0. |
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Complex additive for concrete and water mortars / 2328473 Invention concerns manufacture of construction materials, in particular, to complex additives in concrete mixes and can be used at production of concrete and water mortars with different functions. Complex additive for concrete and the water mortars including amorphous and/or crystal silicon dioxide, derivant of higher fatty acids, super-plasticiser of naphthalene formaldehyde type, contains as derivant of higher fatty acids - oligomers of higher fatty acids of lapromol production, and, as super-plasticiser of naphthalene formaldehyde type - Polyplast "СП-1" super-plasticiser at following ratio of components, mass %: specified super-plasticiser - 46.0-97.5, oligomers of higher fatty acids of lapromol production - 0.01-0.1, amorphous and/or crystal silicon dioxide - the rest. |
 High-strength concrete / 2323910Invention refers to the sphere of building materials and can be used for manufacturing the concrete products in civil and industrial building, and also during constructing the buildings for special purpose. The high - strength concrete has the ratio, mass%: portland cement 23.6-26.9, send 23.7-25.2, crush 36.8-38.4, sol Fe(ОН)3 with the density ρ=1.018 g/cm3, pH=4.5-5.5 0.7-0.76, the water 11.9-12.04. |
 Building mix / 2307811Proposed building mix contains Portland cement, fine filler, water and latex additive on base of acrylates at the following ratio of components, mass-%: tributyl tin methacrylate copolymer with methyl methacrylate, butyl acrylate acid, 33; butyl acrylate, methyl methacrylate, 3; tributyl tin methacrylate, 1; ethylene glycol, 1; water, 62; mix contains also barium hydroxide at the following ratio of components, mass-%: Portland cement, 10-30; fine filler, 55-85; latex additive, 0.001-0.250; barium hydroxide, 0.5-10; the remainder being water. |
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Complex additive / 2307806 Proposed complex additive contains amylose, hepta magnesium sulfate - MgSO4·7H2O; it contains additionally aluminum hydroxide at the following ratio of components, mass-%: amylose, 10-30; magnesium sulfate, 50-60; aluminum hydroxide, 20-30. |
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Clay-phosphate material / 2378221 Invention is related to the field of construction materials. Clay-phosphate material, which contains clay, iron-containing waste of metallurgical production on the basis of Fe(II) oxide with residue on sieve No. 008 5-7% and orthophosphoric acid with density of 1.25 g/cm3, contains blue Cambrian clay and additionally waste of sand from treatment and sandblast devices with residue on sieve No. 008 5…7% with the following composition, wt %: FeO - 7.0; Fe2O3 - 44.0; Al2O3 - 4.5; MgO - 6.0; CaO - 4.3; SiO2 - 30.0; Cu - 0.6; Zn - 3.5; Pb - 0.1 at the following ratio of components, wt %: blue Cambrian clay - 57- 58, specified iron-containing waste - 11- 12, specified sand waste - 12- 13, orthophosphoric acid with density of 1.25 g/cm3 - the rest. |
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