SU854908A1 - Composition for making floors - Google Patents

Description

(54) COMPOSITION FOR FLOOR DEVICE

one

The invention relates to the production of floors and may find application in the construction of industrial and civil buildings for the industrial construction of floors.

A known composition for the device of floors, comprising phosphogypsum oL-hemihydrate and water with a water gypsum ratio of 0.3-0.4. The composition is characterized by fast setting and high compressive strength. The composition is applied to a concrete base, uniformly filling the entire floor area 1.

However, the tie, made of phosphogypsum dormant, oL-modification, has a fast setting, low spreadability.

Also known is a composition that can be applied to a flooring device, comprising a gypsum-cement-puztsolanovaya in tinder (FCP) sulphite-yeast mash and water 2.

However, this raw material mixture is characterized by insufficient viability.

The purpose of the invention is to increase the viability.

This goal is achieved by TetA, which is a flooring composition that includes gypsum-cement-puczolan

It contains phosphogypsum cecenopotzolanic acid and, in addition, the sodium salt of sulfonated naphthalene formaldehyde resin in the following ratio of components, by weight:

10 Sulfite yeast brew 0.24–4

Water27-50

Sodium Sulfur Salt

15 naphthalene formaldehyde resin 0,25-3

Phosphogyptoceramic foxing palatine (FGTsPV) is a mixture of phosphogypsum ob-hemihydrate, 20 Portland cement (10-30%) and pozzolan additive (for example, tripoli) (530%). In the get get processing a mixture of the starting components in alkaline

medium at a pressure of 3 atm

25

for .35-40 minutes

In the examples indicated in the grub, comprising 10% of Portland cement and 5% of Tripoli.

Sodium salt of sulfonated naph30 talinformaldehyde resin (NSSNFS)

it is a condensation product of naphthalene sulfonic acid with formaldehyde, neutralized with caustic soda. NSSNFS is a black powder, well grown in water, the pH of a 2.5% aqueous solution is 7-9.

The use of a 50% aqueous solution of NSSNFS and a 33% aqueous solution of DBB (sulphite-yeast brew) facilitates the dissolution of the additives in the mixing water. The examples indicate the use of 100% products.

The main requirements for the composition of the composition are good flowability: viability of spreadability, i.e. maintaining good spreadability for a sufficiently long time required for preparation of the composition, transporting it to the place of installation and the very operation of application of the tie; self-leveling of the surface of the stitch (close in value to spreadability); The stitch of the proposed composition must also be waterproof, not crack when cured, have sufficient strength, dry quickly enough. During the measure of the viability of the time after mixing the components, during a coarse composition, the southert acquires a Suttard spreadability equal to .200 mm. Typically, the straightening becomes non-leveling upon reaching a flowability of less than 200 mm.

The straightening composition is prepared by sequentially mixing water, NSSNFS, VLF and FCPP, NNSNFS and ULB can be premixed, then dissolved in water.

Examples of the composition of the string are shown in Table 1.

Table 1

The composition, after mixing, is sewn onto the base, in order to tighten.

80 270 320 230 54 55 59 G, 5 200 200 200 200

The properties of the tie prepared from compositions 1-6 are presented in Table. 2

table 2

253 120

33

Claims (2)

200 Stzhka not self-leveling with 585 From table 2 it follows that the proposed composition has a high viability of spreadability compared with the known. . Formula izob | The composition for floors, comprising a gypsum-cement-pozzolanic, sulphite-yeast masonry water, characterized by the fact that, in order to increase its viability, it contains phospho-gypso-cementom-pozzolanic ester and additionally the sodium salt of sulphate-formaldehyde-formaldehyde pattern, and it is applied to the heart of wax, and it is applied to the hearth, and additionally, the sodium salt of the sulphate-formaldehyde resin is applied to the hearth, and additionally, the sodium salt of the sulphate-formaldehyde resin is applied to the hearth, and additionally, the sulfate naphthalene-formaldehyde resin is applied. :. 6 Phosphogypsum-cement-pozzolanic esters .100 Sulphite-yeast brew0.25-4 Water 27-50 Sodium sulfate naphthalene formaldehyde resin 0.25-3 Sources of information taken into account during the examination i. Osiecka E, Spoiwa fosfogipsowe i ich wykorzystanie w budownietwie; Cement, wapno, gips 1978, 8-9, 246.-250. 2. Vozhensky A.V. and others. Gypsum cement pozolanovoe in izhopusche. Izdeli, GosstroRizdat, I960, pp.21-22.