High-abrasion-resistance ceramic glazed brick and manufacturing method thereof

A high-wear-resistant, glazed tile technology, applied in the field of architectural ceramics, can solve the problems of poor wear-resistant performance of polished glazes, and achieve the effects of low cost, small workload, and improved transparency

Pending Publication Date: 2017-09-05

佛山市大千色釉料有限公司

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AI-Extracted Technical Summary

Problems solved by technology

[0006] In order to solve the problem of poor wear resistance of existing glazed glazes, the present invention provides a preparation method...

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Abstract

The invention discloses a high-abrasion-resistance ceramic glazed brick and a manufacturing method thereof. The ceramic brick surface is provided with a glaze layer; the glaze layer of the high-abrasion-resistance ceramic glazed brick is characterized in that a cordierite crystal is taken as a main crystal phase; the glaze layer contains 10 to 60 percent of the cordierite crystal; the glaze layer is mainly prepared from the following chemical components in percent by weight: 50 to 65 percent of SiO2, 10 to 25 percent of Al2O3, 6 to 15 percent of MgO, 2 to 10 percent of CaO, 0 to 2 percent of Li2O, 0 to 4 percent of Na2O, 0 to 4 percent of K2O, 0 to 3 percent of ZnO, 0 to 3 percent of BaO, 0 to 2 percent of SrO, 0 to 2 percent of B2O3 and 0 to 2 percent of TiO2. The prepared glazed layer containing the cordierite crystal has the advantages of remarkably improving the hardness and abrasion resistance of a glaze surface, and enlarging the application range of the glazed brick under the condition of keeping the transparency of the glaze layer.

Technology Topic

CordieriteCeramic glaze +3

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Examples

Experimental program(3)

Example Embodiment

[0031] Example 1

[0032] A preparation method for high wear-resistant ceramic glazed tiles, comprising the steps of:

[0033] 1) In parts by mass, 70 parts of cordierite, 5 parts of kaolin, 5 parts of feldspar, 8 parts of talc, 4 parts of calcite, 6 parts of spodumene, 0.5 part of zinc oxide, 0.5 part of barium carbonate and 1 part of boric acid Mix and grind to make a glaze slurry.

[0034] 2) Apply the glaze slurry prepared in step 1) to the green body printed with the pattern through a glaze pouring machine. The green body of this embodiment is a conventional ceramic tile green body, and the ceramic brick has a certain decorative function by printing patterns on the green body.

[0035] 3) After drying the green body with glaze slurry applied in step 2, it is fired in a roller kiln to obtain high wear-resistant ceramic glazed tiles. The maximum firing temperature is 1230° C., and the firing cycle is 90 minutes.

[0036] 4) The ceramic glazed tile fired in step 3) is mechanically ground and polished, and the glossiness of the obtained surface is 92°. It can be easily judged by naked eyes that the glaze layer of the ceramic glazed tile prepared in this embodiment has good transparency, and the decorative pattern of the prepared ceramic glazed tile is very clear.

[0037] AXIOSmAX X-ray fluorescence spectrometer (PANalytical, Netherlands) was used for elemental analysis of the glaze layer of ceramic glazed tiles. The ray source was SST ultra-sharp ceramic X-ray tube with a tube voltage of 30kV and a tube current of 80mA. The reproducibility of the goniometer Be 0.0001 degree, test result shows that the chemical composition of embodiment 1 sample is 55wt% SiO 2 , 25wt%Al 2 o 3 , 15wt% MgO, 2.5wt% CaO, 0.4wt% Li 2 O, 0.5wt%Na 2 O, 0.1wt%K 2 O, 0.5wt% ZnO, 0.4wt% BaO, 0.6wt% B 2 o 3.

[0038] X'pert Pro X-ray diffractometer (PANalytical, Netherlands) was used to analyze the crystal phase of the glaze surface. The ray source used the Cu target Kα line with a wavelength of 0.15418nm, the tube voltage was 40kV, the tube current was 40mA, and the step size was 0.016 , the scanning range is 5~60 °, obtained the XRD collection of patterns of embodiment 1 sample (figure 1 ). Will figure 1 Strong peaks in cordierite (Mg 2 A l4 Si 5 o 18 ) XRD standard spectrum, which is very consistent, indicating that the main crystal phase of the surface glaze layer is cordierite crystal.

[0039] According to "GB/T 3810.7-2016 Ceramic Tile Test Method Part 7: Determination of Abrasion Resistance of Glazed Tile Surface", the wear resistance of the sample in Example 1 was measured, and the test results are as follows: the number of grinding revolutions for the wear marks is 6000 revolutions , the abrasion resistance is grade 4, which meets the requirements for glazed floor tiles in "GB/T4100-2015 Ceramic Tiles"; it can be applied to the ground with scratches and dust and frequent pedestrians. According to the determination of the wear resistance of the glazed brick surface, it can be divided into 0-5 grades (the bigger the more wear-resistant). At present, the transparent glaze layer basically does not contain crystals, and the wear resistance is grade 3. The XRD test results in this example show that the glaze layer contains cordierite crystals, and the wear resistance reaches grade 4, which is an order of magnitude higher, which is obviously better than the prior art. .

[0040] Ceramic glazed tiles need to apply patterns under the glaze in order to achieve a certain decorative function. If the glaze is milky, the decorative effect will be seriously affected. At present, the mainstream surface glazes are basically transparent glazes without crystals. The refractive index of crystals such as feldspar and zirconium silicate in conventional opacified glazes is different from that of glass, resulting in serious opacification. The refractive index of cordierite is similar to that of glass, which can effectively avoid opacification, and the decorative patterns of the prepared ceramic glazed tiles are very clear.

[0041] The glaze obtained in this embodiment contains more cordierite crystals, which can improve the hardness and wear resistance of the glaze while maintaining the transparency of the glaze layer, and has strong practicability.

[0042] In this example, the refractive index of cordierite is close to that of glass substrate, but the hardness is significantly higher than that of glass, and a glaze layer containing a large number of cordierite crystals is prepared, and cordierite is added in the form of powder, unlike making microcrystals. Compared with the cordierite glass-ceramic that needs to be melted into frit first, it has the advantages of simple process, small workload, low cost and low energy consumption.

Example Embodiment

[0043] Example 2

[0044] A preparation method for high wear-resistant ceramic glazed tiles, comprising the steps of:

[0045] 1) In terms of parts by mass, 40 parts of cordierite, 5 parts of kaolin, 5 parts of quartz, 20 parts of feldspar, 8 parts of talc, 10 parts of dolomite, 5 parts of wollastonite, 2 parts of lithium carbonate, 2 parts of oxide Zinc, 2 parts of strontium carbonate and 1 part of titanium dioxide are mixed and ground to prepare glaze slurry.

[0046] 2) Apply the glaze slurry prepared in step 1) to the green body printed with the pattern through a glaze pouring machine.

[0047] 3) After drying the glazed body in step 2), it is fired in a roller kiln to obtain high wear-resistant ceramic glazed tiles. The maximum firing temperature is 1270° C., and the firing cycle is 60 minutes.

[0048] It can be easily judged by naked eyes that the glaze layer of the ceramic glazed tile prepared in this embodiment has good transparency, and the decorative pattern of the prepared ceramic glazed tile is very clear.

[0049] Adopt X-ray fluorescence spectrometer to carry out elemental analysis to the glaze layer of ceramic glazed tile and know, the chemical composition of embodiment 2 sample is 54wt% SiO 2 , 21wt%Al 2 o 3 , 10wt% MgO, 6.5wt% CaO, 1wt% Li 2 O, 2wt%Na 2 O, 0.5wt%K 2 O, 2.5wt% ZnO, 1.5wt% SrO, 1wt% TiO 2. Adopt X-ray diffractometer to carry out crystal phase analysis to glaze surface, obtain the XRD collection of illustrative plates of embodiment 2 sample ( figure 2 ). Will figure 2 Strong peaks in cordierite (Mg 2 A l4 Si 5 o 18 ) XRD standard spectrum, which is very consistent, indicating that the main crystal phase of the surface glaze layer is cordierite crystal.

[0050] According to "GB/T 3810.7-2016 Ceramic Tile Test Method Part 7: Determination of Abrasion Resistance of Glazed Tile Surface", the sample in Example 2 was tested for wear resistance. The test results are as follows: the number of grinding revolutions for visible wear marks is 6000 The wear resistance is grade 4, which meets the requirements for glazed floor tiles in "GB/T4100-2015 Ceramic Tiles", and can be applied to floors with scratches and dust and frequent pedestrians.

Example Embodiment

[0051] Example 3

[0052] A preparation method for high wear-resistant ceramic glazed tiles, comprising the steps of:

[0053] 1) In terms of parts by mass, mix and grind 15 parts of cordierite, 5 parts of kaolin, 12 parts of quartz, 2 parts of alumina, 26 parts of feldspar, 10 parts of talc, 20 parts of calcite and 10 parts of frit to prepare a glaze slurry .

[0054] 2) Apply the glaze slurry prepared in step 1) to the green body printed with the pattern through a glaze sprayer.

[0055] 3) After drying the glazed body in step 2), it is fired in a roller kiln to obtain high wear-resistant ceramic glazed tiles. The maximum firing temperature is 1150° C., and the firing cycle is 30 minutes.

[0056] 4) The ceramic glazed tile fired in step 3) is mechanically ground and polished, and the glossiness of the obtained surface is 20°.

[0057] It can be easily judged by naked eyes that the glaze layer of the ceramic glazed tile prepared in this embodiment has good transparency, and the decorative pattern of the prepared ceramic glazed tile is very clear.

[0058] Adopt X-ray fluorescence spectrometer to carry out elemental analysis to the glaze layer of ceramic glazed tile and know, the chemical composition of embodiment 3 sample is 65wt% SiO 2 , 14wt%Al 2 o 3 , 6wt% MgO, 10wt% CaO, 3wt% Na 2 O, 2wt%K 2 O. Adopt X-ray diffractometer to carry out crystal phase analysis to glaze surface, obtain the XRD collection of illustrative plates of embodiment 3 samples ( image 3 ). Will image 3 Strong peaks in cordierite (Mg 2 A l4 Si 5 o 18 ) XRD standard spectrum, which is very consistent, indicating that the main crystal phase of the surface glaze layer is cordierite crystal.

[0059] According to "GB/T 3810.7-2016 Ceramic Tile Test Method Part 7: Determination of Abrasion Resistance of Glazed Tile Surface", the sample in Example 3 was tested for wear resistance. The test results are as follows: the number of grinding revolutions for visible wear marks is 2100 The wear resistance is grade 4, which meets the requirements for glazed floor tiles in "GB/T4100-2015 Ceramic Tiles", and can be applied to floors with scratches and dust and frequent pedestrians.

[0060] It can be seen from the above examples that the present invention only needs to mix and grind the raw materials to form a slurry, which has the advantages of simple preparation process, small workload, low cost, and low energy consumption.

[0061] The invention obtains a glaze layer with cordierite as the main crystal on the ceramic surface, and can improve the hardness and wear resistance of the glaze surface while maintaining the transparency of the glaze layer well. The wear resistance of the glaze of the product applying the patent of the present invention is grade 4, which is higher than the grade 3 wear resistance of the existing mainstream products. Grade 4 wear-resistant bricks are pollution-resistant grades, which are suitable for scratches, dust, and frequent pedestrians. The use conditions are worse than those of Type 3 floor tiles (for example: entrances, restaurant kitchens, hotels, exhibition halls and shops, etc.).

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High-abrasion-resistance ceramic glazed brick and manufacturing method thereof

A high-wear-resistant, glazed tile technology, applied in the field of architectural ceramics, can solve the problems of poor wear-resistant performance of polished glazes, and achieve the effects of low cost, small workload, and improved transparency

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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