SU1379257A1 - Raw mixture for producing the facing material - Google Patents

Abstract

The invention relates to the complexity of building materials, in particular to the production of finishing materials intended for the interior finishing of industrial and civil structures. In order to improve the grindability, the raw material mixture for obtaining a lining material contains us / C: crushed fiberglass 50-79, clay material 20-40, crushed waste paper 0.1-10 and wood chips 0.1-4.5. The material obtained has an abrasion resistance of 0.44-0.79 g / cm, an compressive strength of 0.34-0.8 MPa, water absorption of 10-25.1 / 5, it can be easily polished, it can be sawed, drilled, and resorting to the diamond tool. 2 tab. with se (L

Description

The invention relates to the construction of building materials, in particular, to the production of finishing materials intended for the interior decoration of industrial and civil buildings and structures.

The aim of the invention is improved grindability.

The raw material mixture contains, in wt%: Crushed fiberglass50-79 Clay material 20-40 Crushed waste paper 0.1-10.0 Sawdust 0.1-4.5 In this case, clay, kaolin, bentonite or their mixture.

The introduction of shredded waste paper (0.1–10.0 wt.%) And sawdust (0.1–4.5 wt.%) Into the raw material mixture to obtain a facing material contributes to the formation of a porous structure during heat treatment of the molded articles. The degree of connectivity of such a shard is significantly lower than that of densely sintered materials. However, in terms of strength characteristics, it fully meets the requirements imposed on materials for interior cladding of buildings and structures.

The resulting material is easily machined. It can be ground. Cutting, drilling, not resorting to diamond tools. Due to the fact that finely divided waste paper is difficult to evenly distribute in the raw mix, the resulting pores and the shell after its burnout have different sizes and configurations. Sawdust enhances the degree of porosity of the material and, in addition, prevents it from being deformed during the heat treatment process. After grinding, the front surface of the material acquires a texture imitating volcanic tuff. The effect of imitation is enhanced by the additional addition of various coloring additives to the raw material mixture. In the process of heating the molded products, there is a gradual burnout of waste paper and sawdust. Due to the fact that they are wetted and impregnated with a clay material, their burning process is completed only at 700-800 ° C. With this

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In the molded articles, the softening and sintering of particles of crushed fiberglass occur, which prevent the removal of gases. As the temperature rises further, a porous structure is formed in the material. Fabricated claddings are easy to sand. Their surface after grinding has a high decorative effect.

In tab. Table 1 shows the composition of the raw mix for the production of cladding material, in table. 2 - properties of the materials obtained.

As can be seen from the table. 2, the facing material of the mixture has a high abrasion, and therefore, it is much easier to grind.

The manufacture of the facing material is as follows.

Grinding and grinding of raw materials: fiberglass to a fraction of 100-1000 microns, clay materials to a fraction of 50-200 microns, waste paper to 1-7 mm. Sawdust sieved through a sieve number 5. Then weigh the components in a predetermined ratio and mix them. First, crushed waste paper is poured into the water. After it swells, clay materials are added, then fiberglass and sawdust.

If necessary, various coloring additives can be added to the mixture. As a coloring additive, various ceramic pigments can be used (dulevsk paints, crocus, Cr, Cu, Co, Mn, etc.). The mixture is thoroughly mixed, its moisture content is adjusted to 10-12 wt.% (With the semi-dry method of forming articles) or up to 40-45% by weight (with the slip method of molding the products). The molded plates are subjected to drying and heat treatment at 900 + 10 C for 15-20 minutes, then slowly cooled. To give the plates of decorative texture the front side of the obtained blanks are ground on special machines.

The obtained facing material has a porous painted surface with a texture resembling volcanic tuff. It can be used in industrial and civil

construction for interior cladding.

Claims (1)

We offer 1st cladding material due to better grinding ability to significantly reduce the cost of its machining. At the same time, due to the use of industrial waste (glass fiber, waste paper, sawdust), the specific consumption of raw materials is significantly reduced. Invention Formula The raw material mixture to obtain a lining material, including crushed fiberglass and clay, characterized in that, in order to improve grinding, it additionally contains crushed waste paper and sawdust in the following ratio, wt.%: Ground fiber 50-79 Clay 20-40 Ground waste O, 1-10 Sawdust0,1-4,5 Table 1 Components The content of components, wt.%, In the composition zitnniiLi Fiberglass 79 Clay resistance to abrasion, g / s Density, r / cij Compressive strength, MPa Water absorption,% 79 65 50 50 0.440,560,730,820,79 0,140,110,970,820,93 0,800,750,610,340,42 10,012,517,225,122,3