Low-temperature wear-resistant frit, wear-resistant glaze using same and glazed tile

Abstract

The invention discloses a low-temperature wear-resistant frit. Raw materials of the low-temperature wear-resistant fritcomprise wollastonite, dolomite, kaolin, aluminum oxide and a strong fluxing agent, and the raw materials do not contain feldspar; the adding amount of the dolomite is greater than 8%, the adding amount of the wollastonite is greater than 20%, and the adding amount of the aluminumoxide is less than 12% in percentage by mass. According to the low-temperature wear-resistant frit provided by the technical scheme, the introduction of feldspar is avoided in the formula, so that the wear resistance of the low-temperature wear-resistant frit is improved, and the defects in the prior art are overcome. According to the wear-resistant glaze using the low-temperature wear-resistantfrit, anorthite and mullite are separated out of the low-temperature wear-resistant frit to serve as main crystalline phases, so that the wear resistance of the glaze is improved. In addition, the invention also provides a glazed tile using the wear-resistant glaze, the wear resistance of the glazed tile is 4-grade 2100 revolutions, and the wear resistance loss of the glazed tile is 0.042-0.05 g at 6000 revolutions.

Description

technical field [0001] The invention relates to the field of architectural ceramics, in particular to a low-temperature wear-resistant frit, wear-resistant glaze and glazed tiles using the frit. Background technique [0002] At present, the wear resistance of glaze is a big problem that plagues the industry. When it is used as a ground decoration material, the wear resistance of the glaze has a high requirement, otherwise it is easy to wear, so the wear resistance of the existing glaze cannot meet the demand. [0003] In this regard, some manufacturers of architectural ceramics try to add frit to the glaze to improve the wear resistance of the glaze. But in general, the frit used in the glaze is generally fired by introducing a large amount of feldspar and alumina raw materials to increase the Al content of the frit composition. 2 o 3 content, this is because crystallization in the glaze requires a certain amount of active Al 2 o 3 , adding Al to the frit recipe 2 o 3...

AI Technical Summary

Problems solved by technology

[0004] Although the active Al of the clinker is increased by introducing a large amount of feldspar raw materials 2 o 3 content, but also introduced a large amount of Na 2 O and K 2 O, and Na 2 O and K 2 O mainly exists in the liquid phase during the firing process, making it difficult to precipitate Na 2 O, K 2 O crystals; moreover, Na 2 O and K 2 O exists in the glass phase after cooling, and the existence of the glass phase is not conducive to the improvement of wear resistance

Furthermore, it is also impossible to increase the active Al2O3 content of the frit by introducing a large amount of alumina in the frit formula of the prior art, because the temperature and refractoriness of alumina are extremely high, and the alumina raw material introduced is easy to be oxidized as free The presence of aluminum will not provide active Al2O3 for crystallization, so it will not improve the wear resistance of the glaze

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