RussianPatents.com

Method for production of fine granular additive to be added to cement composite. RU patent 2283292.

FIELD: building, particularly production of building materials used to construct composite and cast-in-place building structures, dry cement mixes and mineral binding substances.

SUBSTANCE: 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.

EFFECT: reduced power inputs and simplified operation.

1 ex, 8 tbl

 


 

IPC classes for russian patent Method for production of fine granular additive to be added to cement composite. RU patent 2283292. (RU 2283292):

C04B38/10 - by using foaming agents (C04B0038020000 takes precedence);;
C04B24/24 - Macromolecular compounds (C04B0024140000 takes precedence;macromolecular compounds comprising sulfonate or sulfate groups C04B0024160000)
C04B103/30 - LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS (devitrified glass-ceramics C03C0010000000); REFRACTORIES (alloys based on refractory metals C22C); TREATMENT OF NATURAL STONE
Another patents in same IPC classes:
Additive for concrete mixture and mortar solution / 2282604
Additive for concrete mixtures and mortar solutions comprises the following components, wt.-%: (C10-C18)-alkylbenzene sulfonates, 5.0-10.0; saturated alcohols, 5.0-10.0; aminoalcohols, 15.0-25.0; (C16-C20)-resin acid salts, 40.0-50.0, and water, the balance. The additive provides the possibility for preparing foam concretes of the density 200 kg/m3 and above and allows improving the useful properties of heavy concretes also. Invention expands spectrum of useful properties of additive in preparing both light and heavy concretes, namely, reducing density of foam concrete, decreasing its hardening time under natural conditions, enhancing and stabilization of stability of porous mixture, providing the possibility for preparing nonshrinking foam concrete and for heavy concretes - accelerating hardening and increasing cycles for resistance to cold in combination with enhancing plasticity, i. e. easy to lay and waterproofing being both light and heavy concretes. Invention can be used in manufacturing concretes.
Foamed concrete manufacture process / 2280628
In a method of manufacturing foamed concrete by water tempering of mix containing, wt %: cement 69.6-69.85, limestone flour 29.77-29,98, protein foaming agent 0.192-0.49, and metal sulfate 0.038-0.1 mix is tempered with water in dry state at water-to-solids ratio 0.49-0.62. Invention can be used in manufacture of wall blocks both under plant conditions and on building grounds.
Molding sand for production of foam concrete / 2279415
Proposed molding sand produced on base of regional raw component contains Portland cement, aggregate, filler, foaming agent, modifying additive and water; used as aggregate is quartz sand and used as filler is ground gauze at specific surface of 3700 cm2/g; used as foaming agent are alkyl sulfates of primary fatty alcohols; used as modifying additive is additive on base of condensed phenols at the following ratio of components, mass-%: Portland cement, 36.74-43.94; quartz sand, 18.75-19.1; ground molding box, 0-6.37; foaming agent, 0.065-0.067; additive, 0.022-0.023, the remainder being water.
Insulating concrete / 2278848
Proposed concrete includes cement, lime, filler-sand, water, complex foaming additive containing the following components, mass-%: sodium abietate, 30.34-33.67; potassium alkaline, 6.88-7.64; hide adhesive, 10.67-11.83; water, 34.11-37.86 and fatty acid salts, 9.0-18.0; it additionally contains filler-ash after burning sewage water sediment at the following ratio of components, mass-%: cement, 28.7-33.5; lime, 4.6-7.6; sand 8.8-9.1; ash,26.5-27.1; additive, 0.32-0.33; the remainder being water. Concrete possesses ability of absorbing ions of heavy metals.
Method for controlling of concrete mixture air-entraining / 2278085
Claimed method includes additive introducing together with tempering water. As said additive complex organomineral mixture based on saponified lignine and fine material from cement production waste is used. Paste lignine is previously mixed with cement dust in the mass ratio of paste saponified lignine 40-50; cement dust 50-60; mixture is granulated, dried at 60-70°C up to constant mass and introduced into concrete mixture in amount of 0.003-1.2 % based on cement mass.
Method of lightening gypsum boards / 2277077
Proposed method is used for manufacture of gypsum boards with core lesser than 0.77; method includes preparation of foam from water and surfactant containing at least one alkyl sulfate H(CH2)nOSO3 -M+; number "n" of this formula indicates figure from 6 to 16; "M" is monovalent cation and average number of carbon atoms "nm" ranges from 9 to 10; foam thus obtained is introduced into gypsum mass; amount of surfactant introduced into gypsum mass does not exceed 0.32 per liter of gypsum mass. Gypsum boards made by this method possess mechanical strength similar to that of non-lightened boards.
Raw mixture for production of the foam ceramics / 2273621
The invention is pertaining to the building materials and may be used for production of the constructional and the heat-insulating products out of the foam ceramics. The technical result of the invention consists in the decreased density of the foam ceramic products, reduced thermal conductivity. The raw materials mixture for manufacture of the foam ceramics includes the clay, the filler-chamotte, the glass fiber, the foam swelling agent and water. As the swelling agent it contains the foam prepared from 3 percent water solution of the horse-chestnuts filtrate, produced by comminution of the horse chestnuts in the water medium at the ratio of the water and horse chestnuts as 1:3, aging of the produced mixture for no less than three hours, its filtration, acidification of the produced filtrate up to pH = 5 and neutralization by alkali; and additionally - the foam stabilizer - a metal sulfate at the following ratio of components (in mass %): clay - 40-60, chamotte - 6-18, glass fiber - 0.36-0.52, filtrate of horse chestnuts - 0.18-0.24, the metal sulfate - 2.0-4.0, water - the rest.
Decorative facing panel / 2271423
Facing panel comprises layer made of mixture including hydraulic binder and filler, cellular concrete member and reinforcement to connect the layer with the cellular concrete member. Facing layer is created of above mixture in which pigment is additionally added. The reinforcement is organic and/or mineral and/or steel fiber laid on facing layer as soon as elastic facing layer strength is developed to 0.05-0.09 MPa. The reinforcement is used in amount of 5-7% of facing layer mass. The cellular concrete member is foamed concrete with water absorbability of 8-30 g/dm2 and has surface brought into contact with facing layer preliminarily impregnated with 0.33-0.38% vinyl acetate solution.
Building mortar 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.
Method of production of heat-insulating cellular concrete (versions) / 2266271
According to first version, first water at ratio of W/S=0.5-0.65 is fed to mixer, then sand and synthetic anion-active foaming agent in the amount of 0.08-0.1% of mass of solid components is introduced and components are mixed for 1.5-2.3 min, after which cement is introduced and components are mixed to complete air-entrainment of mix; solid components are introduced at the following ratio, mass-%: sand, 30-35; cement, 65-70. According to second version, first water in the amount of W/S=0.6-0.75 is fed to mixer; perlite of fine fraction is introduced as silica component and anion-active synthetic foaming agent is additionally introduced in the amount of 0.08-0.1% of mass of solid components; components are mixed for 1.5-2.3 min; then cement is introduced and mixing is continued till complete air-entrainment of mix; solid components are introduced at the following ratio, mass-%: perlite, 1-3; cement, 97-99.
Building material mixture / 2275342
Invention relates to a building material mixture. The building material mixture comprises material chosen from the group consisting of gypsum, calcium hydroxide, cement and their mixtures, and also - polysaccharide or derivative of polysaccharide with particles size less 15 mcm taken in the amount 2 weight % maximally, particles size less 10 mcm taken in the amount 2 weight % maximally, and particles size less 5 mcm taken in the amount 1 weight % maximally, and if necessary the mixture comprises quartz sand or lime sand, water repellant, synthetic dispersion powder, cellulose fibers and/or synthetic fibers, pore-forming additive and light filling agents in the following ratio of components, weight %: material from the group containing gypsum, calcium hydroxide, cement or their mixtures, 1-99.99; polysaccharide or derivative of polysaccharide, 0.001-5; quartz sand or lime sand, up to 90; synthetic dispersion powder, up to 10; light filling agents, up to 10; water repellant, up to 1; pore-forming additive, up to 0.1; cellulose fibers and/or synthetic fibers, up to 15 wherein the content of components that the mixture comprises when needed doesn't mean 0 simultaneously, and polysaccharide or derivative of polysaccharide is prepared by the known technology. Invention provides improvement of physical-chemical properties of building mixture.
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%).
Complex additive / 2273612
Invention is directed to preparation of plasters, finishing compositions, and concretes. Complex additive for cement binder, containing saponified wood resin (0.5-2%), superplasticizer S-3 (15-21%), and finely divided filler (55-70%), is characterized by that finely divided filler is ground aleurite and that additive further contains polyethylhydroxysilane (0.05-0.075%), carbon black as hydrophobization agent (0.1-0.25%), and potassium carbonate as curing agent (14-25%).
Composition for paving slab production / 2272860
Composition comprises cement, crushed stone, sand, plasticizer and water. The plasticizer is oil-containing sludge. All above components are taken in the following amounts (parts by weight): cement - 450, sand - 100-560, crashed stone - 1000, oil containing sludge - 100-560, water - 150. Oil containing sludge comprises oil products in amount of not more than 200 g/kg.
Complex additive for building mixture 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.
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 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.
Raw mix and a method of production of a granular heat-insulation material / 2264363
The invention is pertaining to the field of construction materials industry, in particular, to production of porous artificial articles and may be used at production of the granular heat-insulation material - the especially lightweight filler for concretes of industrial and civil engineering. The technical result is exclusion from a constructional raw mix of boric acid, a decrease of power input due to exclusion of a phase of a preliminary thermal treatment of green granules, a decreased bulk density and an increased general porosity of the granular heat-insulation material. A raw mix for the granular heat-insulation material includes, in mass %: micro-silica - 41.37, a sulfate soap with concentration of 40 % in terms of a dry substance - 0.21, a solution of sodium hydroxide with concentration of 45,22 % in terms ofNa2O - 21.97, water - 36.45. The method of production of the granular heat-insulation material from the raw mix provides for preparation of a suspension out of components of the raw mix, its hydrothermal treatment at 80-90°C and an atmospheric pressure during 10-15 minutes, granulation and the following heat-treatment of the green granules at 350-400 °C during 10 minutes.
Flooring slab production method / 2263187
Method involves successive producing concrete, vented and water-proof layers and rolling on water-proof layer. On the first stage of flooring slab production concrete and vented layers are produced simultaneously from concrete mix separated into layers and including cement, water, superplasticizing admix, keramzit sand and keramzit filler taken in the following mass ratio: 76.37:48.53:1.00:114.53:285.89. On the second stage water-proof layer is made of organomineral mix including bitumen and limestone powder taken in mass ratio of 1.5:1. For lower and central vented layer production keramzit sand having 0.315 mm size and claydite granules having 10-40 mm size are taken. Limestone powder used for water-proof layer forming has size of not more than 0.14 mm.
Method of production of a porous filler / 2263084
The invention is pertaining to the field of construction materials industry and, in particular, to production of heat-insulating burdens and a porous filler of the light concretes. The method of production of the porous filler includes preparation of a mixture of a liquid glass water glass and an additive, production of a core and its coating with a mineral composition. At preparation of the mixture in the capacity of the additive use an amorphous silicon - tripoli powder or a diatomite, or a molding box, and additionally - a foamer of PB-2000 type at the following ratio of ingredients (in mass %): the liquid glass - 45-78, the indicated amorphous silicon - 20-45, the indicated foamer - 2-10. In the process of the mixture preparation it is making porous till it achieves the density of a foam-shaped mass from 100 up to 300 kg/m3 and the coating of the core exercise using powdery inorganic binding or argillous materials. The technical result is a decrease of density of the filler and simplification of the production process.
Blend for manufacture of thermal silicate material / 2258682
Invention relates to manufacture of silicate building materials based on lime-silica binder and may be used for manufacturing thermal silicate articles. Blend contains, wt %: slaked lime 22-28, diatomite 26-35, nepheline slime 5-10, wollastonite concentrate including at least 90% fraction with needle size 80 μm, 26-35, and gypsum semihydrate 3-10, said wollastonite concentrate being wollastonite ore processing and concentration product.
© 2013-2014 Russian business network RussianPatents.com - Special Russian commercial information project for world wide. Foreign filing in English.