Inorganic artificial stone containing high-performance ceramsite and superabsorbent resin and preparation method thereof

Abstract

The invention provides an inorganic artificial stone containing high-performance ceramsite and superabsorbent resin. The inorganic artificial stone comprises the following components in parts by weight: 60-70 parts of sulphoaluminate cement, 10-23 parts of fine sand, 10-17 parts of high-performance ceramsite, 1-1.5 parts of superabsorbent resin, 0.5-1 part of citrate and 0.2-0.5 part of gluconate.The inorganic artificial stone provided by the invention has advantages of light weight, heat preservation, fire prevention, heat insulation, low water absorption and the like. The invention also provides a preparation method of the inorganic artificial stone, wherein the preparation method comprises simple steps, prepares the inorganic artificial stone by processes of raw material mixing, stirring, forming, thickness-fixing, polishing and microwave carbonization curing, and enables the prepared inorganic artificial stone to have improved surface compactness, reduced surface porosity and reduced shedding of edge parts.

Description

Technical field [0001] The invention belongs to the technical field of preparing artificial stone, and relates to an inorganic artificial stone containing high-performance ceramsite and super absorbent resin and a preparation method thereof. Background technique [0002] my country is the world's largest stone production, sales and export country, with an annual output value of more than 100 billion yuan. In the early stage of stone production, blocks were mainly mined by digging in mountains and then processed into natural stone. On the one hand, because of its low mining efficiency, the highest yield rate was only 30%, which made precious natural resources wasted. Landfill gully with various waste materials can easily cause natural disasters such as landslides. On the other hand, with the over-exploitation of natural mineral resources, the price of natural stone continues to rise, which also hinders the development of stone in the application market. [0003] The rise of artific...

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Problems solved by technology

[0004] One is that the late strength shrinkage phenomenon of cement is more serious; mainly hexagonal CAH 10 and C 2 AH 8 (needle, flaky crystal) to cubic C 3 AH 6 The transformation is mainly caused by the fast hydration time of aluminate cement, and some substances in the cement slurry caused by the initial setting period have not been fully hydrated; in addition, the magnitude of the later strength shrinkage of the cement is also closely related to the temperature;

[0005] The second is the phenomenon of fracture and frost in the later use of inorganic artificial stone

[0006] Third, during the manufacturing process of cement-based artificial stone, after thickness setting and polishing, the unpolished surface is prone to release of alkali metal ions after contact with water in the later stage, such as Ca(OH) 2 etc., causing the edge part to fall off, affecting the performance and quality of the product

But it also has disadvantages. Due to the large particles of pumice, it is not suitable to mix more

In addition, the pumice itself cannot play a load-bearing role. When the cement shrinks later, the large-volume pores inside the pumice will generate greater stress, causing the artificial stone to crack. Compared with natural stone and other The compressive strength of cement-based artificial stone will decrease

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