Composition based on chloromagnesian binder. RU patent 2380334.

FIELD: chemistry.

SUBSTANCE: invention relates to industry of construction materials and can be used in making wall objects, self-leveling walls, wall blocks, during production of light foamed and heavy concrete, dry construction mixtures, meant for outer finishing of buildings and structures - plastering, spackling, adhesive compositions etc.

EFFECT: reduced hygroscopicity and water absorption of objects based on magnesian binder, as well as simultaneous increase in water resistance and compression strength; the composition has the following components, wt %: magnensian binder 60-35, magnesium chloride 15-17, iron ore 3-10, water - the rest.

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IPC classes for russian patent Composition based on chloromagnesian binder. RU patent 2380334. (RU 2380334):

C04B28/30 - containing magnesium cements (magnesium oxide cements C04B0028100000)

C04B111/27 - 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

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Raw mix for building units / 2379250
Raw mix contains a vehicle - magnesium oxide, a sealer - dissolved magnesium chloride, a reinforcing filler. The reinforcing filler is cord fibre being waste products of tyre casing process. Temperature of dissolved magnesium chloride makes 50 to 60 °C, while its density is 1.18 to 1.235 g/cm3 in the ratio as follows, wt %: Magnesium oxide 36-43; Dissolved magnesium chloride 34-52; Cord fibre 10-26.

Adhesive binding composition / 2379249
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Raw composition for manufacturing of construction materials and products / 2378218
Present invention is related to raw compositions intended for manufacturing of construction materials and products on their basis. Raw composition for manufacturing of construction materials and products, including magnesia binder, which includes caustic magnesite and aqueous solution of chloride magnesium with density of 1.19-1.3 kg/l, mineral filler and additive, contains, as mineral filler, mixture of loose substances with specified surface of 3000-6500 cm2/g, which consists of TPP flue ash, quartz sand, kaolin and hydrophobic surface-active substance - surfactant powder - copolymer: vinyl acetate/vinyl alcohol or vinyl chloride / ethylene, or vinyl chloride /ethylene/vinyl aurate and additionally contains water-reducing additive, and also stabilising and water-reducing additive - water soluble ether of cellulose at the following ratio of components, wt %: caustic magnesite 28.0-40.0, quartz sand 30.0-42.0, TPP flue ash 10.0-14.0, kaolin 1.0-4.0, specified surfactant 0.5-0.9, water-reducing additive 0.01-0.30, water soluble ether of cellulose 0.01- 0.02, specified aqueous solution of magnesium chloride the rest. Invention is developed in dependent claims of formula.

Method of construction materials manufacture based on magnesium oxychloride cement / 2376260
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Invention refers to the field of construction and can be used to repair concrete pavements of the roads and airdromes airstrips. The compound contains phosphate magnesium binding material, microfiber, filler (sand or ballast stone) and water with the following composition of phosphate magnesium binding material (wt %) magnesium oxide - 25-35, monosubstituted ammonia phosphate and/or monosubstituted sodium phosphate -15-25, sodium polyphosphate- 1-30 (in relation to the mass of the said monosubstituted phosphates), chamot - 35-50, cellulose or basalt microfiber and additionally the sodium tetraborate and/or boric acid with following component content in relation to the mass of the said binder (wt %): the said microfiber - 0-7.0, the said filler -0-150, water - 0.1-0.2, sodium tetraborate and/or boric acid - 0.3-7.0.

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Invention relates to the compositions, which are used in construction for finishing and repair of concrete surface and reinforced concrete constructions. The composition for concrete surface finishing includes, weight ratio %: sodium carboxymethyl cellulose 2.0-4.0; gypsum filler 46.0-50.0; cement kiln dust 18.0-22.0; glycerin 1.0-2.0; caustic magnesite 8.0-12.0; ammonium chloride 1.0-2.0; water - the rest.

Magnesia binder-based composition / 2290380
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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 crushed construction bricks with residue on sieve No. 008 5…7% with the following chemical composition, wt %: SiO2 - 33.00; Al2O3 - 36.00; H2O - 9.00; CaSiO3 - 12.00; MgSiO3 - 10.00 at the following ratio of components, wt %: blue Cambrian clay - 58 - 59, specified waste - 10 - 12, specified crushed construction bricks - 12- 13, orthophosphoric acid with density of 1.25 g/cm3 - the rest.

Clay-phosphate material / 2378219
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