RussianPatents.com
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Complex additive for cement concretes. RU patent 2362750. |
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FIELD: chemistry. SUBSTANCE: invention refers to the construction materials and can be used as additive - superplasticiser in production of cement concrete mixes used for production of building units and constructions. The complex additive for cement concretes contains (wt % on dry basis): superplasticiser based on sulfonated melamine formaldehyde resins - 1-10, superplasticiser C-3 - the rest. EFFECT: enhancing of cement concretes compression strength. 1 tbl
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High-range water reducer / 2357937 Invention refers to construction materials, particularly to compositions of water reducing additives used in manufacturing concrete, mortar mixes, reinforced concrete and special concrete products, namely - to composition of high-range water reducer based on naphthalensulphonic acid and formaldehyde polycondensation products. The high-range water reducer based on neutralised naphthalensulphonic acid and formaldehyde condensation product contains, wt %: oligomers with 2-4 naphthalene rings - 10.0-28.5, oligomers with 5-9 naphthalene rings - 6.0÷11.5, oligomers containing 10 naphthalene rings and more - 60.0÷80.0. Besides specified high-range water reducer can contain in addition salts of naphthalensulphonic acid, naphthalendisulphonic acid and sodium sulphate in ratio, wt %: specified oligomers 85.00÷98.00; salts of naphthalensulphonic acid and naphthalendisulphonic acid 0.5÷5.0; sodium sulphate - the rest. Specified oligomers can contain in addition hydroxyl groups, and one hydroxyl group goes to 40÷200 naphthalene rings. |
Relamix-m complex additive for concrete and building mortars / 2333172 Present invention concerns complex additive composition for concrete mix and can be applied in manufacturing concrete and ferroconcrete items and constructions. The complex additive for concretes and building mortars includes supersoftener, industrial lignosulfonates, potash, and additionally sodium formiate at the following component ratio, in mass % (in dry equivalent): supersoftener 41-60, industrial lignosulfonate 0.3-0.4, potash 5-40, sodium formiate 30-40. C-3 or Polyplast SP-1 can be applied as supersoftener. |
Generating method of fluidizing agent for concrete mixture / 2323907 Generating method of fluidizing agent includes sulphuration by concentrated sulphuric acid of waste products of phenole by cumol method, the watering down by reactional mass-sulfate, polycondensation with phormalin, neutralization of product of polycondensation 40% solution of acrid natron, mixing of antifoamer zinc-tin-solder (ZTS) with neutralization of product of polycondensation and with the following drying. The components has the following ratio, mass, %: the waste products of phenole by cumol method - 6.0-8.5, concentrated sulphuric acid - 8.5-11.3, phormaline - 0-1.7, 40% solution of acrid natron - 10.0-13.0, the antifoamer zinc-tin-solder (ZTS) - 12-0.25, the water is the rest. |
Concrete mix modification method / 2258051 Concrete mix is modified by introducing (i) aqueous solution of polymeric compounds with different molecular mass obtained by condensation of naphthalenesulfonic acid and formaldehyde and (ii) ferrous or ferric salts in amount 2-4% of the weight of mix, said polymeric compounds being used in amount 0.3-0.7% of the weight of cement in case of degree of polycondensation equal to 2-5 and at their ratio to water between 30:70 and 40:60. Iron salt is added after addition of above-indicated aqueous solution. |
Super-plasticizer for commercial concrete / 2246459 Super-plasticizer for commercial cast-in-place concrete contains (i) neutralized formaldehyde homopolymerization products, obtained via autocatalized polymerization of formaldehyde in presence of calcium hydroxide, and (ii) alkali or alkali metal salts of polyhydoxycarboxylic acids having general formula R(CHOH)nCOOH, wherein n ≥ 2 and R represents COOH or CH2OH, at (i)/(ii) weight ratio 1:(0.05-0.2). |
Method for production of plasticizer / 2245856 Claimed method includes sulfonation of naphthalene cut from petrochemical process, in particular naphthalene cut of process stream from benzene production, followed by condensation with formaldehyde and neutralization of obtained product with alkali. Naphthalene cut contains (mass %) naphthalene 96.4-99.5; methylnaphtalene 0.01-0.2; biphenyl 0.001-0.1; low boiling additives (e.g. alkyl benzene, methylinden, tetralin_ 0.5-3.6. |
Granulated filler for silicate wall products based on siliceous zeolite rock, composition of raw mix for manufacture of silicate wall products, method for manufacturing of silicate wall products and silicate wall product / 2361839 Granulated composite filler for silicate wall products is arranged in the form of granules with size of 0.5-10.0 mm, comprising nucleus and shells, where nucleus is produced by granulation of mixture of the following components jointly ground to specific surface of 150-250 m2/kg - siliceous zeolite rock and alkaline metal hydroxide at their mass ratio of 0.70-0.95 : 0.05-0.30 with binder - aqueous solution of sodium silicate with density of 1.2-1.3 g/cm3 in amount of 0.1-7.0% from mixture, shell shaping on nucleus surface is carried out in medium of dry dusty mixture of jointly ground quicklime and sodium fluorsilicate at their mass ratio of 0.85-0.95 : 0.05-0.15, with further hardening to strength of at least 2.1 MPa. Raw mix for manufacture of silicate wall products includes the following components, wt %: above mentioned filler 5-40, quicklime 10.0-12.5, quartz sand 50.0-82.5. Method for production of silicate wall products includes preparation of above mentioned raw mix by mixing of its components, mixture moistening to moulding humidity, pressure shaping of products and their autoclave treatment. Silicate wall product produced by above described method. |
Granulated composite filler for silicate wall products based on quartz sand, composition of raw mix for manufacture of silicate wall products, method for manufacturing of silicate wall products and silicate wall product / 2361838 Granulated composite filler for silicate wall products is arranged in the form of granules with size of 0.5-10.0 mm, comprising nucleus and shells, where nucleus is produced by granulation of mixture of the following components jointly ground to specific surface of 150-250 m2/kg - quartz sand and alkaline metal hydroxide at their mass ratio of 0.70-0.95 : 0.05-0.30 with binder - aqueous solution of sodium silicate with density of 1.2-1.3 g/cm3 in amount of 0.1-7.0% of mixture, and shell is shaped on nucleus surface by its rolling in dry dusty mixture of jointly ground quicklime and sodium fluorsilicate at their mass ratio of 0.85-0.95 : 0.05-0.15, with further hardening to strength of at least 2.1 MPa. Raw mix for manufacture of silicate wall products includes the following components, wt %: above mentioned filler 5-40, quicklime 10.0-12.5, quartz sand 50.0-82.5. Method for production of silicate wall products includes preparation of above mentioned raw mix by mixing of its components, mixture moistening to molding humidity, pressure shaping of products and their autoclave treatment. Silicate wall product produced by above described method. |
Granulated filler for silicate wall products based on crushed glass, composition of raw mix for manufacture of silicate wall products, method for manufacturing of silicate wall products and silicate wall product / 2361837 Granulated composite filler for silicate wall products is arranged in the form of granules with size of 0.5-10.0 mm, comprising nucleus and shells, where nucleus is produced by granulation of mixture of the following components jointly ground to specific surface of 150-250 m2/kg - crushed glass and alkaline metal hydroxide at their mass ratio of 0.70-0.95 : 0.05-0.30 with binder - aqueous solution of sodium silicate with density of 1.2-1.3 g/cm3 in amount of 0.1-7.0% from mixture, shell shaping on nucleus surface is carried out in medium of dry dusty mixture of jointly ground quicklime and sodium fluorsilicate at their mass ratio of 0.85-0.95 : 0.05-0.15, with further hardening to strength of at least 2.1 MPa. Raw mix for manufacture of silicate wall products includes the following components, wt %: above mentioned filler 5-40, quicklime 10.0-12.5, quartz sand 50.0-82.5. Method for production of silicate wall products includes preparation of above mentioned raw mix by mixing of its components, mixture moistening to molding humidity, pressure shaping of products and their autoclave treatment. Silicate wall product produced by above described method. |
Granulated filler for concrete mix based on crushed glass, composition of concrete mix for manufacture of concrete construction products, method for manufacturing of concrete construction products and concrete construction product / 2361835 Granulated filler for concrete mix is arranged in the form of granules with size of 0.5-10.0 mm, comprising nucleus and shells, where nucleus is produced by granulation of mixture of the following components jointly ground to specific surface of 150-250 m2/kg - siliceous component - crushed glass - and alkaline metal hydroxide at their mass ratio of 0.70-0.95 : 0.05-0.30 with binder - aqueous solution of sodium silicate with density of 1.2-1.3 g/cm3 in amount of 0.1-7.0% from mixture, shell shaping on nucleus surface is carried out in medium of dry dusty mixture of jointly ground quicklime and sodium fluorsilicate at their mass ratio of 0.85-0.95 : 0.05-0.15, with further hardening to strength of at least 2.1 MPa. Concrete mix for manufacture of construction products includes the following components, wt %: above mentioned filler 5-40, binder 10-25, fine filler 15-45, water - the rest. Method for production of concrete construction products includes mixing of above mentioned mix components, moulding of construction products, soaking in molds and heat-and-moisture treatment at atmospheric pressure and temperature of 85-95°C. Concrete construction product produced by above described method. |
Granulated filler based on natural sedimentary highly-siliceous rocks for concrete mix, composition of concrete mix for manufacture of concrete construction products, method for manufacturing of concrete construction products and concrete construction product / 2361834 Granulated filler for concrete mix is arranged in the form of granules with size of 0.5-10.0 mm, comprising nucleus and shells, where nucleus is produced by granulation of mixture of the following components jointly ground to specific surface of 150-250 m2/kg - natural sedimentary highly siliceous rock and alkaline metal hydroxide at their mass ratio of 0.70-0.95 : 0.05-0.30 with binder - aqueous solution of sodium silicate with density of 1.2-1.3 g/cm3 in amount of 0.1-7.0% from mixture, protective shell shaping on nucleus surface is carried out in medium of dry dusty mixture of jointly ground quicklime and sodium fluorsilicate at their mass ratio of 0.85-0.95 : 0.05-0.15, with further hardening to strength of at least 0.12 MPa. Concrete mix for manufacture of construction products includes the following components, wt %: above mentioned filler 5-40, binder 10-25, fine filler 15-45, water - the rest. Method for production of concrete construction products includes mixing of above mentioned mix components, moulding of construction products, soaking in molds and heat-and-moisture treatment at atmospheric pressure and temperature of 85-95°C. |
Complex modifier of concrete with polyfunctional action (versions) / 2361833 Additives for concrete mixes based on different binders may find application in manufacture of structural units, plates, panels, heat insulating boards and tiles, finishing plates and plaster for finishing of facades, floor leveling, heat insulation of ceilings and roof and manufacture of other concrete and reinforced concrete products. Complex modifier of concrete with polyfunctional action includes the following components, wt parts: sodium tripolyphosphate - 1.0-4.0, amorphous silica or quartz sand - 0.3-1.5, calcium hydroxide - 65.0-89.0, plasticising additive selected from the following group: sodium polycarboxylate, sodium salts of sulfonated naphthalene formaldehyde and melamine formaldehyde resin - 10.0-37.0. According to another version of invention realisation, complex modifier of concrete with polyfunctional action includes the following components, wt parts: aqueous solution of sodium tripolyphosphate - 3.0-3.5, aqueous solution of plasticising additive selected from the following group: technical sodium lignosulphonate, sodium salts of sulphurised naphthalene formaldehyde and melamine formaldehyde resin, sodium polycarboxylate - 2.0-4.0, potassium polymethyl siliconate - 2.0-2.5, water - 0-3.0. |
Clayphosphate material / 2360885 Clayphospate material includes loam, iron-containing waste of metallurgical production with residue on sieve № 008 7-11 wt %, which contains Fe (II) oxide, orthophosphoric acid with density 1.24-1.25 g/cm3, additionally contains waste of carbon foam floatation with residue on sieve № 008 3-5%, which contains wt %: C- - 85.4; F- - 4.66; Al+3 - 2.2; Na+ - 2.9; FeO - 0.75; SiO2 - 0.08, with following component ratio, wt %: loam - 67-70, said iron-containing waste - 6-8, said waste of carbon foam floatation - 3-5, orthophosphoric acid with density 1.24-1.25 g/cm3- the remaining part. |
Clayphosphate material / 2360884 Clayphospate material includes loam, iron-containing waste of metallurgical production with residue on sieve № 008 7-11 wt %, which contains Fe (II) oxide, orthophosphoric acid with density 1.24-1.25 g/cm3, additionally contains shell of chicken eggs with residue on sieve № 008 3-5%, which contains wt %: CaCO3 - 98.4; MgCO3 - 0.9; Mg3(PO4)2 - 0.35; Ca3(PO4)2 - 0.35, with following component ratio, wt %: loam - 65-68, said iron-containing waste - 6-8, said shell of chicken eggs - 5-7, orthophosphoric acid with density 1.24-1.25 g/cm3- the remaining part. |
Superplasticiser of high initial strength / 2360880 Invention is related to superplasticising additive for concrete and other cement mixes with high capacity for strength growth and low air-entraining effect, which represents triple copolymer of monomers mix that have appropriate structural formulas, and to cement mixes that contain this additive. Invention is developed in dependent claims of invention formula. |
Complex additive / 2360879 Complex additive contains components at the following ratio, wt %: superplasticiser - sodium polynaphthalene methyl sulfonate 30-45, defoaming agent - Troykyd D128 - 0.25-0.50, sodium thiosulfate - the rest. |
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. |
Method for production of plasticizer / 2245856 Claimed method includes sulfonation of naphthalene cut from petrochemical process, in particular naphthalene cut of process stream from benzene production, followed by condensation with formaldehyde and neutralization of obtained product with alkali. Naphthalene cut contains (mass %) naphthalene 96.4-99.5; methylnaphtalene 0.01-0.2; biphenyl 0.001-0.1; low boiling additives (e.g. alkyl benzene, methylinden, tetralin_ 0.5-3.6. |
Complex additive for building mixture / 2245857 Claimed complex powder additive contains (mass %): superplasticizer 66.7-72.7; commercial lignosulfonates 17.4-20.0; organopolysiloxane (e.g. sodium ethylsiliconate or methylsiliconate containing 5.53-6.11 mass % of silicon and having polymerization degree of 9-12) 7.3-15.9. |
Concrete containing organic fibers, dispersed in cement mortar (variants) / 2245858 Concrete containing solidified cement mortar with dispersed organic fiber is obtained by mixing of composition with water. Concrete also contains: (a) cement, (b) grained components, (c) fine dispersed puzzolane components, (d) at least one dispersing additive. Grained components (b) have particles of maximum size D not more than 2 mm, preferably not more than 1 mm. Fine dispersed puzzolane components (c) have elementary particles of size not more than 20 µm, preferably not more than 1 µm. Water content as reduced to mass of cement (a) and fine dispersed puzzolane components (c) is from 8 % to 25 %. Length of individual organic fibers I is at least 2 mm, and ratio of 1/⊘ is at least 20, wherein ⊘ denotes fiber diameter. Fiver volume is not more than 8 % of concrete volume after solidifying. Ratio R of average fiber length L and maximum size D of grained component particles is at least 5. Concrete tested to direct extension has ductility coefficient δ>1, preferably δ>1,25. |
Complex additive / 2246461 Object of invention is to increase stability of foam and to reduce shrinkage of concrete samples. For that, invention provides complex additive comprising hydrochloric and sulfuric acid salts, low-grade lignosulfonates, and, additionally, ethanolamines, said salts, in particular, being calcium, sodium, and potassium chlorides, sodium, potassium, and iron sulfates, and said ethanolamines being triethanolamine or monoethanolamine. Components are used in following proportions, wt %: chlorides 46-43, sulfates 24-31, lignosulfonates 4-8, and ethanolamines 9-15. |
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