Dry construction mix

FIELD: construction.

SUBSTANCE: dry construction mix includes a binder, a mineral filler and modifying additives and additionally contains ground baked ceramics at the following ratio of mixture components, wt %: binder 30-45, ground baked ceramics 10-30, cellulose ether 0.1-0.5, redispersed powder 0.5-3.0, cellulose fibres 0.1-0.5, mineral filler (sand) - balance.

EFFECT: improved adhesion properties, expansion of raw base due to usage of baked ceramics, improved environment, lower prime cost.

4 cl

 

The invention relates to the field of building materials, in particular for dry construction mixtures, and can be used in industrial and civil construction as a tile adhesive that is applied to concrete, brick, sand and cement and other surfaces inside and outside before laying the tiles, for example, ceramic.

Known dry construction mixture including Portland cement, filler and extender additive of the following composition, wt. %: volcanic rock 40-60, gypsum 18-28, dolomite 2-7, plasticizer 1-3, fume - rest, in the following ratio of components: 10-25 Portland cement, aggregate 50-80 expanding additive 10-25 (see patent RU 2079462, CL SW 28/00, publ. 20.05.1997).

Closest to the invention is a dry mortar containing binder, filler and modifier additive consisting of microsilica, plasticizer, dolomite or limestone flour, and water-soluble cellulose ether, redispersion powder in the form of copolymers of polyvinyl acetate or acrylic in the following ratio of components of the modifying additive, wt. %: the fume - 0,1-30,0, plasticizer - 0,5-3,0, dolomite or limestone flour - 40-92,0, water-soluble cellulose ether - 0,1-3,0, redispersible powder in the form of copolymers of polyvinyl acetate or the crylate - 0,3-24,0, and the filler comprises, by weight. %: silica sand 99,9-85,0 with fineness modulus MCR is not more than 1.5 and powdered quartz of 0.10 to 15.0 in the following ratio of components of the mixture, wt. %: binder - 25-36, filler - 55-74, modified additive - 1, -10,0 (see patent RU 2204540, CL SW 28/00, publ. 20.05.2003).

Overall the main disadvantage of the known technical solutions are relatively low maintenance, environmental and adhesion, which is especially important for the adhesive characteristics.

Object of the invention is the expansion of raw materials at eliminating these disadvantages. The technical result is to improve performance, in particular the adhesion-improving the environment and reducing the cost of mortar due to the utilization and use of scrap production of ceramic products.

The problem is solved and the technical result is achieved by the fact that dry construction mixture containing the binder, mineral filler, and modifying additives, further comprises a ground fired ceramics, in the following ratio of components of the mixture, wt. %: astringent 30-45, the cellulose ether is 0.1-0.5, redispersible powder 0,5-3,0, cellulose fibers is 0.1-0.5, ground sintered ceramics 10-30, mineral filler - the rest. As ground sintered ceramics can be used too and/or ground ceramic, ceramic tiles, ceramic tiles, faience, porcelain. The size fractions of crushed sintered ceramics is preferably from 0.1 to 5 mm as a binder can be used Portland cement.

In existing industrial production of ceramic articles: of porcelain tiles, ceramic tiles, ceramic tiles, sanitary products made of pottery and porcelain, etc. in the process of creating high quality products that meet their technical specifications Standards and other normative documents, forms part of the product, which in its technical characteristics comply with these regulations, but in appearance and size does not match the commodity form (marriage). This part of the product may have chips, cracks, roughness on the surface, it is not accurate dimensions, etc. This part of the production because of the loss of the commodity form is not used, although it is a high quality product.

The invention is directed to the creation of dry construction mixes, which are used sintered ceramic goods (for example, ceramic granite, ceramic tile, ceramic tiles, faience, porcelain, and other), which is the unconditioned output of the respective industries. We offer dry mortar contains the driving, mineral filler, modifying additives and ground sintered ceramic goods (for example, ceramic granite, ceramic tile, ceramic tiles, faience, porcelain, and other). Experimentally it was found that the best consumer qualities has a composition in the following ratio, wt. %:

astringent30-45
fired ceramics10-30
the cellulose ether0,1-0,5
redispersible powder0,5-3,0
cellulose fibers0,1-0,5
mineral filler (sand)rest

For this substandard above sintered ceramic products crushed, classify and use fractions from 0.1 to 5.0 mm, With the resulting ground sintered ceramics has increased specific surface area.

As a mineral filler used sand as a binder is Portland cement, and as modifying additives - redispersible powder to give a mixture of high adhesio the different properties, esters and cellulose fibers, which increase the water-holding capacity and increase tensile strength and bending. Can be used and other additives to impart additional properties to the resulting mixture.

The mortar mixture is prepared as follows. In a convenient container pour water and pour the dry mortar mixture with constant stirring to a working consistency, stand a few minutes, then on the prepared surface or stacked material is a layer of the mixture using a notched trowel or other tool and produce the packing material. The flow of the mixture with a layer thickness of 1 mm 1,4 kg/m

Comparative tests of the proposed mix and prototype showed that the adhesion is increased by 8% (due to increased specific surface used ground sintered ceramics improves the adhesion of the mixture with the coating to which it is applied), expanding the raw material base (you can use sintered ceramics up to 30%), improves the environment and reduces the cost (up to 7%) received dry mix through the use of fired ceramics (marriage in the production of ceramic products).

1. Dry construction mixture containing the binder, mineral filler, and modifying additives, characterized in that it complements the flax contains ground roasted ceramics in the following ratio of components of the mixture, wt. %:

astringent30-45
ground sintered ceramics10-30
the cellulose ether0,1-0,5
redispersible powder0,5-3,0
cellulose fibers0,1-0,5
mineral filler (sand)rest

2. Dry mortar under item 1, characterized in that as a ground fired ceramic use and/or ground ceramic, ceramic tile, ceramic tiles, faience, porcelain.

3. Dry mortar under item 1, characterized in that the particle size of powdered sintered ceramics is from 0.1 to 5 mm

4. Dry mortar under item 1, characterized in that the binder of Portland cement.



 

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SUBSTANCE: dry construction mix includes a binder, a mineral filler and modifying additives and additionally contains ground baked ceramics at the following ratio of mixture components, wt %: binder 30-45, ground baked ceramics 10-30, cellulose ether 0.05-0.1, redispersed powder 0.55-1.0, air entering agent up to 0.2, setting accelerator up to 1.0, water-repellent agent 0.4-0.8, antibacterial additive up to 0.2, pigment up to 5.0, mineral filler - balance.

EFFECT: reduced tear, expanded raw base, improvement environment and reduced prime cost of the produced dry mix due to usage of baked ceramics.

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1 tbl

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FIELD: chemistry.

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1 tbl

Concrete mixture // 2537731

FIELD: chemistry.

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FIELD: chemistry.

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1 tbl

FIELD: construction.

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FIELD: construction.

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5 cl 6 ex 1 tbl

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FIELD: chemistry.

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3 ex, 1 tbl

FIELD: chemistry.

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6 cl, 3 tbl

FIELD: chemistry.

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EFFECT: increased concrete strength.

1 tbl

FIELD: chemistry.

SUBSTANCE: crude mixture for making wall blocks contains the following, wt %: portland cement 26.0-30.0; quartz sand 66.8-70.9; spent car tyres crushed and sieved through sieve N2.5 1.0-1.5; asbestos 1.0-1.5; gypsum binder 0.4-0.6; dibutyl phthalate-plasticised polyvinyl acetate dispersion 0.1-0.2, with water to cement ratio of 0.5-0.55.

EFFECT: obtaining high-strength wall blocks.

1 tbl

Concrete mixture // 2537733

FIELD: chemistry.

SUBSTANCE: concrete mixture, which includes portland cement, expanded clay, haydite sand, water, further contains asbestos of 6-7 types, which is fluffed up in advance, gypsum binder, sodium methyl siliconate or sodium ethyl siliconate, with the following ratio of components, wt %: portland cement 26.0-30.0; expanded clay with particle size of 20-40 mm 46.0-48.0; haydite sand 5.0-8.5; asbestos of 6-7 types, which is fluffed up in advance, 0.5-1.0; gypsum binder 0.5-1.0; sodium methyl siliconate or sodium ethyl siliconate1.0-1.5; water 15.0-17.0.

EFFECT: high strength.

1 tbl

Concrete mixture // 2537731

FIELD: chemistry.

SUBSTANCE: concrete mixture includes, pts.wt: white cement 1, crushed marble with particle size of 2-8 mm 1-1.5, glass fibre with length of 3-7 mm 0.1-0.15, sodium ethyl siliconate 0.1-0.15, with water to cement ratio of 0.5-0.55.

EFFECT: high strength.

1 tbl

FIELD: chemistry.

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EFFECT: increased strength of concrete.

1 tbl

FIELD: building materials, in particular concrete additives (plasticizer).

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EFFECT: concrete mixtures with controlled flow characteristic and concrete curing rate.

2 cl, 4 ex

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