High-hardness artificial stone

A technology of artificial stone and high hardness, applied in the field of artificial stone, can solve the problems of high brittleness and easy cracking of artificial stone, and achieve the effects of increasing tensile strength, improving dispersibility, increasing hydrophilicity and wettability

Inactive Publication Date: 2021-04-20
安易拓新材料科技(上海)有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The invention provides a high-hardness artificial stone to solve the problems of high brittleness and easy cracking of the artificial stone in the prior art

Method used

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Embodiment 1

[0023] The invention discloses a high-hardness artificial stone, which is made of raw materials including the following parts by weight:

[0024]

[0025]

[0026] Wherein, the cement is P.W42.5 white cement or P.II42.5R ordinary Portland cement. In the silica fume, the content of SiO2 is 92.3%, the content of Al2O3 is 0.66%, and the content of CaO is 0.31%. In the slag, the content of CaO is 38.32%, the content of SiO2 is 31.12%, and the content of Al2O3 is 13.86%. The water reducer is a polycarboxylate water reducer with a solid content of 20%-40%. The particle size of the river sand is less than 0.63mm. The gravel is artificial gravel mainly composed of granite and basalt with good grading, dense and hard, and rough surface, with a particle size range of 5-20mm, and is graded according to continuous particle size. The dispersant is selected from hydroxypropyl methylcellulose, the density is 1.39g / cm3, the passing rate of 100 mesh is greater than 98.5%, the carboniz...

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Abstract

The invention relates to a high-hardness artificial stone, which is prepared from the following raw materials in parts by weight: 350 to 450 parts of cement, 150 to 220 parts of water, 650 to 750 parts of river sand, 1000 to 1100 parts of broken stone, 350 to 450 parts of slag, 5 to 10 parts of carbon fiber, 80 to 125 parts of fly ash, 40 to 60 parts of silica fume, 5 to 10 parts of water reducing agent, 5 to 10 parts of shrinkage reducing agent, 10 to 15 parts of exciting agent, 0.8 to 1.5 parts of dispersing agent and 0.5 to 1 part of defoaming agent. The artificial stone has the beneficial effects that the tensile strength is increased while the artificial stone is ensured to have considerable compressive strength by adopting a reasonable carbon fiber mixing amount. Hydroxypropyl methyl cellulose (HPMC) is adopted as a dispersing agent of carbon fibers, the hydroxypropyl methyl cellulose has more polar groups and forms hydrogen bonds with polar water molecules, and meanwhile, monomolecular films and spherical micelles are formed on the surface of liquid and in the liquid, so that the area between water and air is reduced, the surface tension of a solution is sharply reduced, further, the hydrophilicity and wettability of the carbon fibers are improved, the dispersity of the carbon fibers is improved, and a colloid-like dispersion system is formed.

Description

technical field [0001] The invention relates to the technical field of artificial stone, in particular to a high-hardness artificial stone. Background technique [0002] Artificial stone is a new type of non-radioactive, non-polluting, reusable, green and environmentally friendly building interior decoration material. As a new strategic health and environmental protection product in line with the country's sustainable development, it was introduced into the domestic market in the 1980s. The artificial stones currently on the market include organic artificial stones with polymer resin materials as adhesives, which are mainly divided into three categories: artificial marble (referred to as artificial granite), artificial quartz stone and acrylic, and also include cement as adhesives. Inorganic artificial stone. Although our country started late in the artificial stone industry, after more than 20 years of rapid development, it currently ranks among the top in the world in te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B14/38C04B24/38C04B103/40
Inventor 刘辉
Owner 安易拓新材料科技(上海)有限公司
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