A glaze composition, a tile and a method of making the same

Abstract

The present application relates to the technical field of ceramics, in particular to a glaze composition, a ceramic tile and a preparation method thereof. The glaze composition comprises a first glaze and a second glaze; wherein, in terms of mass fraction, the first glaze comprises antique surface glaze 25.0-35.0 parts, low-temperature glaze 15.0-25.0 parts, tourmaline 1.0-3.0 parts, calcined talc 2.5-3.0 parts, dolomite 1.0-3.0 parts, sodium carboxymethyl cellulose 0.04-0.12 parts, dispersant 0.01-0.05 parts, preservative 0.05-0.1 parts, sodium tripolyphosphate 0.02-0.06 parts and water 20.0-25.0 parts; and the second glaze comprises transparent glaze 70.0-90.0 parts and dry particle glaze 15-25 parts. Spraying the glaze composition provided by the present application can obtain a marble ceramic tile product with a glaze surface glossiness of 10-20 degrees and a smooth surface with rich particles.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ceramics, in particular to a glaze composition, a ceramic tile and a preparation method thereof. BACKGROUND

[0002] At present, the lightness of the ceramic tile on the market is not less than 55 degrees, which is called bright tile. The surface of the bright tile is smooth and the color is rich. However, the lightness of the bright tile is too high, the reflection is strong, and it is easy to cause excessive visual stimulation and sensory depression. The lightness of the ceramic tile which is less than 15 degrees and cannot see the reflection is called matte tile. However, the matte tile has less reflection and the space is dark, which is difficult to achieve the home decoration matching effect. Moreover, the glaze surface of the matte tile is rough.

[0003] Therefore, there is a need for a marble ceramic tile product on the market, which has a glaze surface lightness of 10-20 degrees and a smooth and delicate glaze surface. SUMMARY

[0004] The present application aims to overcome the deficiencies in the prior art and provide a glaze composition, a ceramic tile and a preparation method thereof.

[0005] The first aspect of the present application provides a glaze composition, which comprises a first glaze and a second glaze.

[0006] The first glaze comprises antique surface glaze 25.0-35.0 parts, low-temperature glaze 15.0-25.0 parts, tourmaline 1.0-3.0 parts, burned talc 2.5-3.0 parts, dolomite 1.0-3.0 parts, sodium carboxymethyl cellulose 0.04-0.12 parts, dispersant 0.01-0.05 parts, preservative 0.05-0.1 parts, sodium tripolyphosphate 0.02-0.06 parts and water 20.0-25.0 parts, by mass.

[0007] The second glaze comprises transparent glaze 70.0-90.0 parts and dry particle glaze 15-25 parts.

[0008] In the present application, only the addition of antique surface glaze at a kiln firing temperature of 1150-1220℃, which is relatively high, can cause the surface of the fired glaze to be dull and not bright enough and not smooth enough. The addition of low-temperature glaze can match the overall glaze temperature with the firing temperature of the kiln. The surface of the glaze composition after firing is smooth and delicate, and the surface has rich particles, and the lightness is 10-20 degrees.

[0009] In particular, based on the ratio of antique surface glaze and low-temperature glaze in the present application, appropriate addition of tourmaline, dolomite and sodium carboxymethyl cellulose can achieve fine tuning of the glaze surface lightness and make the surface of the glaze more delicate.

[0010] In a more preferable embodiment, the antique face glaze comprises the following components in mass fraction:

[0011] SiO2 56-58 parts, Al2O3 29-32 parts, Fe2O3 0.1-0.3 parts, TiO2 0.05-0.2 parts, CaO 0.6-0.8 parts, MgO 1.0-1.5 parts, K2O 1.5-1.8 parts, Na2O 4.6-5.0 parts, P2O5 0.02-0.06 parts, SrO 0-0.02 parts, BaO 0.01-0.05 parts;

[0012] The burning loss of the antique face glaze is 0.27%-7.12%.

[0013] In the preferred embodiment, the composition of the antique face glaze is particularly adjusted. First, in terms of the content of SiO2, generally, SiO2 is the base of the porcelain glaze and the framework of the porcelain glaze in the glaze, and in the preferred embodiment, the proportion of SiO2 is further limited to reduce the thermal expansion within a certain range, so that the chemical stability, thermal stability and mechanical strength of the porcelain glaze under this component ratio can be fully improved, and the melting temperature, firing temperature, softening point and viscosity are slightly increased to achieve a better surface firing effect of the low-temperature glaze.

[0014] Secondly, the firing temperature of the kiln is proportional to the melting temperature of the glaze, that is, the firing temperature of the kiln is increased, and the melting temperature of the glaze is also increased accordingly. In the case of a kiln firing temperature of 1150-1220℃, the conventional antique face glaze has a low melting temperature as a glaze. However, the inventors found that by further controlling the content of SiO2, the melting temperature of the glaze can be increased by increasing the content of Al2O3. However, the increase of Al2O3 should not be too much, and it needs to be controlled within a certain range. If the content is too high, the glaze will be dull and the gloss will be low. If the content is too low, the glaze will be too bright and the gloss will be too high.

[0015] Thirdly, the inventors found in the research that MgO in the antique face glaze is mainly used to improve the fluidity of the glaze and reduce the melting point of the glaze. However, the inventors also found that by adjusting the ratio of MgO to SiO2 and Al2O3, the texture and gloss of the glaze can be affected. By properly controlling the amount of magnesium oxide in the glaze, the glaze can be more delicate and soft, and the gloss and strength of the glaze can also be increased. However, too much addition will cause white spots on the glaze, affecting the overall appearance and quality of the glaze.

[0016] In a more preferable embodiment, the low-temperature glaze comprises the following components in mass fraction:

[0017] SiO2 68-69.8 parts, Al2O3 17-18.5 parts, Fe2O3 0.1-0.3 parts, TiO2 0.05-0.1 parts, CaO 0.1-0.4 parts, MgO 2.0-3.0 parts, K2O 2.0-2.5 parts, Na2O 3.0-3.8 parts, P2O5 0.02-0.06 parts, SrO 0-0.03 parts, ZrO2 0-0.03 parts, BaO 0.01-0.06 parts, ZnO 0.5-1.0 parts;

[0018] The firing loss of the low-temperature glaze is 0.42%-7.22%.

[0019] In the preferred embodiment, the main components of the low-temperature glaze are SiO2 and Al2O3. SiO2 is used to increase the melting temperature and viscosity of the glaze, and Al2O3 can improve the chemical stability, hardness and elasticity, the melting point and viscosity of the glass phase. However, by controlling the ratio of the two, the mechanical strength (hardness, wear resistance) and chemical stability of the glaze can be effectively improved, and the expansion coefficient can be reduced.

[0020] It is worth noting that the inventors have found that by adjusting the ratio of ZrO2, SiO2 and Al2O3, the whiteness of the glaze can be appropriately improved. Compared with using zirconium silicate to adjust the whiteness, using ZrO2 is more natural for improving the whiteness. For ZrO2, in order to further improve the whitening effect, the particle size range of zirconium silicate needs to be controlled by grinding, so that the D50 and D90 distributions are within an appropriate range. However, by adjusting the ratio of ZrO2, SiO2 and Al2O3, a similar effect can be achieved, thereby reducing the preparation process, improving production efficiency, and reducing production cost.

[0021] More importantly, the inventors have found through experiments that ZnO has strong fluxing effect, can reduce the expansion coefficient of the glaze, improve the thermal stability, increase the gloss and whiteness of the glaze surface, and improve the elasticity of the glaze. When ZnO is in a specific ratio with SiO2 and Al2O3, it can also improve the color development ability of the ceramic tile glaze surface, make the color development effect of the glaze surface more stable, and make the glaze surface more transparent.

[0022] In a more preferred embodiment, the transparent glaze comprises the following components in mass fraction:

[0023] SiO2 44-46 parts, Al2O3 16-18 parts, Fe2O3 0.1-0.3 parts, TiO2 0.1-0.3 parts, CaO 7-8 parts, MgO 4-5 parts, K2O 0.3-0.6 parts, Na2O 3-4.5 parts, P2O5 0-0.08 parts, SrO 3-3.8 parts, ZrO2 0-0.15 parts, BaO 0.6-1 parts, ZnO 4-4.5 parts.

[0024] The burning loss of the transparent glaze is 7.77% to 17.9%.

[0025] In a more preferable embodiment, the dry particle glaze comprises, in mass parts, 40-60 parts of superfine dry particles and 40-60 parts of suspending agent.

[0026] In a more preferable embodiment, the superfine dry particles comprise the following components in mass parts:

[0027] SiO2 52-53 parts, Al2O3 17-18.8 parts, Fe2O3 0.05-0.1 parts, TiO2 0.02-0.06 parts, CaO 5.5-6.2 parts, MgO 1-1.2 parts, K2O 4-4.6 parts, Na2O 2-2.3 parts, P2O5 0-0.02 parts, V2O5 0-0.03 parts, SrO 5-5.2 parts, ZrO2 0-0.13 parts, BaO 4-5.2 parts, ZnO 3-3.7 parts;

[0028] The burning loss of the superfine dry particles is 6.43% to 0%.

[0029] To meet the market demand, the present application provides a marble ceramic tile product with a glaze glossiness of 10-20 degrees (the glossiness is not too high) and a glaze surface with fine and smooth hand feeling and rich particles. To keep the glaze glossiness at 10-20 degrees and the glaze surface with fine and smooth hand feeling and rich particles, the use of dry particle glaze is particularly important in ceramic production. Therefore, the present application uses the combination of transparent glaze and dry particle glaze. On the one hand, the transparent glaze can keep the surface of the tile moist, make the ink color better, and protect the pattern color of the ink when glazing. On the other hand, since the glossiness of the ceramic tile to be prepared by the present application is only 10-20 degrees, it is particularly important to control the content ratio of the main elements SiO2 and Al2O3 to the contents of CaO, MgO, K2O, Na2O, BaO and ZnO in the transparent glaze. Although the above can provide sufficient fluxes such as calcium, magnesium, potassium, sodium, barium and zinc for the raw materials, too high flux content can cause the initial melting point of the glaze to decrease, the glaze surface to melt and close too early in the firing process, the gas in the lower layer to not be discharged in time and thus obvious bubbles to appear, and the glaze surface to be prone to concave glaze and glaze shrinkage at too low temperature. Too little flux content can cause the firing temperature range and high temperature fluidity to not be improved, and the surface of the glaze tile to be prone to defects such as bubbles and pimples.

[0030] More importantly, the surface grain feeling needs to be obtained in the tile product of the present application, thus, the second glaze of the present application further comprises dry grain glaze with slightly different components from the transparent glaze, so as to form fine grains on the surface, and the hand feeling after brushing and polishing is fine, and the hand feeling after brushing and polishing is fine because of the small burrs generated by the surface grains and the grains after the dry grain glaze is sprayed and fired at high temperature, and the hand feeling after brushing and polishing is better, and the small burrs generated by the mutual accumulation are based on the similar components of the ultra-fine dry grains in the dry grain glaze and the transparent glaze, but the proportion is different.

[0031] The second aspect of the present application provides a tile, wherein the tile body is sprayed with the first glaze and the second glaze as described above.

[0032] The third aspect of the present application provides a preparation method of a tile, comprising the following steps:

[0033] providing a tile body;

[0034] spraying the first glaze on the tile body;

[0035] printing a pattern on the first glaze;

[0036] spraying the second glaze;

[0037] firing and brushing to obtain the finished product.

[0038] In a more preferred embodiment, the specific gravity of the first glaze is controlled at 1.85g / ml-1.89g / ml, the flow rate is 32-42s, and the fineness is 0.7%-0.9%.

[0039] In a more preferred embodiment, the specific gravity of the second glaze is controlled at 1.32g / ml-1.35g / ml, the flow rate is 10-13s, and the fineness is 0.3%-0.5%.

[0040] Other features and advantages of the present application will be set forth in the description that follows, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings; in the following description, the positional relationship described in the drawings is the direction of the components drawn in the drawings as the reference.

[0042] Figure 1 A schematic diagram of a ceramic tile structure provided by an embodiment of the present application;

[0043] Figure 2 A surface effect diagram of a ceramic tile product with normal glossiness, delicate touch and excellent particle effect provided by an embodiment of the present application;

[0044] Figure 3 A surface effect diagram of a ceramic tile product with normal glossiness, delicate touch and excellent particle effect provided by an embodiment of the present application;

[0045] Figure 4 A surface effect diagram of a ceramic tile product with slightly higher glossiness, delicate touch and slightly coarse particles provided by a comparative example of the present application;

[0046] Figure 5 A surface effect diagram of a ceramic tile product with slightly higher glossiness, delicate touch and slightly coarse particles provided by a comparative example of the present application;

[0047] Figure 6 A surface effect diagram of a ceramic tile product with slightly lower glossiness, slightly rough touch and delicate particles provided by a comparative example of the present application;

[0048] Figure 7 A surface effect diagram of a ceramic tile product with slightly lower glossiness, slightly rough touch and delicate particles provided by a comparative example of the present application.

[0049] Reference signs:

[0050] 10, body layer; 20, first glaze layer; 30, inkjet ink layer; 40, second glaze layer. DETAILED DESCRIPTION

[0051] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. The technical features designed in different embodiments of the present application can be combined with each other as long as they do not conflict with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0052] The technical solutions of the present application will be further described and explained by specific embodiments. However, the protection scope of the present application is not limited thereto.

[0053] Example 1

[0054] In the present embodiment, the enamel composition includes a first enamel and a second enamel, in mass parts:

[0055] The first enamel includes an antique face enamel 25.0 parts, a low-temperature enamel 15.0 parts, a tourmaline 2.0 parts, a calcined talc 2.5 parts, a dolomite 2.0 parts, a sodium carboxymethyl cellulose 0.08 parts, a dispersant 0.03 parts, a preservative 0.08 parts, a sodium tripolyphosphate 0.04 parts, and water 23.0 parts, in mass parts;

[0056] The second enamel includes a transparent enamel 70.0 parts, a dry particle enamel 15.0 parts.

[0057] The antique face enamel includes the following components in mass parts:

[0058] SiO2 56 parts, Al2O3 29 parts, Fe2O3 0.1 part, TiO2 0.05 part, CaO 0.6 part, MgO 1.0 part, K2O 1.5 part, Na2O 4.6 part, P2O5 0.02 part, SrO 0.01 part, BaO 0.03 part;

[0059] The low-temperature enamel includes the following components in mass parts:

[0060] SiO2 68.8 parts, Al2O3 17.5 parts, Fe2O3 0.1 part, TiO2 0.05 part, CaO 0.1 part, MgO 2.0 part, K2O 2.0 part, Na2O 3.0 part, P2O5 0.02 part, SrO 0.01 part, ZrO2 0.01 part, BaO 0.01 part, ZnO 0.5 part;

[0061] The transparent enamel includes the following components in mass parts:

[0062] SiO2 44 parts, Al2O3 16 parts, Fe2O3 0.1 part, TiO2 0.3 part, CaO 7 parts, MgO 4 parts, K2O 0.3 part, Na2O 3.5 parts, P2O5 0.05 part, SrO 3.1 part, ZrO2 0.10 part, BaO 0.9 part, ZnO 4.2 parts;

[0063] The dry particle enamel includes an ultra-fine dry particle 3918 40 parts, a suspending agent 310 40 parts;

[0064] The ultra-fine dry particle includes the following components in mass parts:

[0065] 52 parts SiO2, 17 parts Al2O3, 0.05 parts Fe2O3, 0.02 parts TiO2, 5.5 parts CaO, 1 part MgO, 4 parts K2O, 2 parts Na2O, 0.01 parts P2O5, 0.02 parts V2O5, 5.1 parts SrO, 0.10 parts ZrO2, 4.2 parts BaO, 3.2 parts ZnO;

[0066] Tiles are prepared in the following manner:

[0067] Step 1: The ceramic raw materials are put into a ball mill to form glaze slurry according to the formula ratio. The glaze slurry is then dried into powder in a spray drying tower. The powder is then pressed into green body by a press and dried in a drying kiln to form green body layer 10.

[0068] Step 2: Apply the first glaze to the body layer 10 to form the first glaze layer 20''.

[0069] Step 3: Adjusting the inkjet pattern. Open Photoshop or other graphic design software. In this example, we use Photoshop CS6. Click on the file you need in the folder, double-click to open it. In the opened window, match the multi-channel colors according to the required color system. After matching, convert it to RGB format, then to the ICC curve profile. Use tools such as levels, curves, multiply and screen blending modes in the image, channel mixer, brightness, and contrast to adjust the colors and layout. After adjusting, save it. Cut the pattern to 910mm*910mm size to be printed. Here, we take 800mmX800mm as an example. Save it as TIFF format, then convert it to a format suitable for inkjet printers and load it into the inkjet printer for printing.

[0070] Step 4: The desired pattern is printed on the blank layer 10 coated with the first glaze layer 20 using an inkjet printer to form an inkjet ink layer 30.

[0071] Step 5: After the pattern is printed by the inkjet printer, the blank layer 10 is conveyed by belt to the glazing cabinet to spray the second glaze, forming the second glaze layer 40.

[0072] Step 6: After spraying, the product is conveyed by belt to the kiln for a high-temperature firing at 1213 degrees Celsius. After polishing and brushing, it is then packaged as follows: Figure 1 The finished product shown.

[0073] Example 2

[0074] In this embodiment, the glaze composition comprises a first glaze and a second glaze, by weight:

[0075] The first glaze includes antique face glaze 35.0 parts by mass, low-temperature glaze 25.0 parts, tourmaline 3.0 parts, burned talc 2.5 parts, dolomite 2.0 parts, sodium carboxymethyl cellulose 0.06 parts, dispersant 0.02 parts, preservative 0.05 parts, sodium tripolyphosphate 0.02 parts, and water 20.0 parts;

[0076] The second glaze includes transparent glaze 90.0 parts, dry particle glaze 25.0 parts.

[0077] The antique face glaze contains the following components in mass parts:

[0078] SiO2 58 parts, Al2O3 32 parts, Fe2O3 0.3 parts, TiO2 0.2 parts, CaO 0.8 parts, MgO 1.5 parts, K2O 1.8 parts, Na2O 5.0 parts, P2O5 0.06 parts, SrO 0.02 parts, BaO 0.05 parts;

[0079] The low-temperature glaze contains the following components in mass parts:

[0080] SiO2 69.8 parts, Al2O3 18.5 parts, Fe2O3 0.3 parts, TiO2 0.1 parts, CaO 0.4 parts, MgO 2.0 parts, K2O 2.0 parts, Na2O 3.0 parts, P2O5 0.02 parts, SrO 0.01 parts, ZrO2 0.01 parts, BaO 0.04 parts, ZnO 0.8 parts;

[0081] The transparent glaze contains the following components in mass parts:

[0082] SiO2 46 parts, Al2O3 18 parts, Fe2O3 0.3 parts, TiO2 0.3 parts, CaO 8 parts, MgO 5 parts, K2O 0.6 parts, Na2O 4.5 parts, P2O5 0.08 parts, SrO 3.2 parts, ZrO2 0.10 parts, BaO 0.8 parts, ZnO 4.0 parts;

[0083] The dry particle glaze contains super-fine dry particle 3918 60 parts, suspending agent 310 60 parts;

[0084] The super-fine dry particle contains the following components in mass parts:

[0085] SiO2 53 parts, Al2O3 18.8 parts, Fe2O3 0.1 parts, TiO2 0.04 parts, CaO 5.9 parts, MgO 1.2 parts, K2O 4.5 parts, Na2O 2.2 parts, P2O5 0.01 parts, V2O5 0.01 parts, SrO 5.1 parts, ZrO2 0.10 parts, BaO 4.2 parts, ZnO 3.5 parts;

[0086] The method of preparing the ceramic tile is the same as in Example 1.

[0087] Example 3

[0088] In this example, the glaze composition includes a first glaze and a second glaze, in parts by mass:

[0089] The first glaze includes an antique face glaze 30.0 parts, a low-temperature glaze 20.0 parts, tourmaline 2.0 parts, burned talc 2.8 parts, dolomite 2.0 parts, sodium carboxymethyl cellulose 0.10 parts, a dispersing agent 0.04 parts, a preservative 0.075 parts, sodium tripolyphosphate 0.046 parts, and water 22.5 parts, in parts by mass;

[0090] The second glaze includes a transparent glaze 80.0 parts, a dry particle glaze 20.0 parts.

[0091] The antique face glaze includes the following components in parts by mass:

[0092] SiO2 57 parts, Al2O3 30 parts, Fe2O3 0.2 parts, TiO2 0.15 parts, CaO 0.7 parts, MgO 1.2 parts, K2O 1.7 parts, Na2O 4.8 parts, P2O5 0.05 parts, SrO 0.01 parts, BaO 0.03 parts;

[0093] The low-temperature glaze includes the following components in parts by mass:

[0094] SiO2 69.0 parts, Al2O3 17.5 parts, Fe2O3: 0.2 parts, TiO2 0.08 parts, CaO 0.25 parts, MgO 2.5 parts, K2O 2.25 parts, Na2O 3.6 parts, P2O5 0.05 parts, SrO 0.02 parts, ZrO2 0.02 parts, BaO 0.04 parts, ZnO 0.8 parts;

[0095] The transparent glaze includes the following components in parts by mass:

[0096] SiO2 45 parts, Al2O3 17 parts, Fe2O3 0.2 parts, TiO2 0.2 parts, CaO 7.5 parts, MgO 4.5 parts, K2O 0.5 parts, Na2O 4.0 parts, P2O5 0.048 parts, SrO 3.5 parts, ZrO2 0.10 parts, BaO 0.8 parts, ZnO 4.2 parts;

[0097] The dry particle glaze includes super-fine dry particles 3918 50 parts, a suspending agent 310 50 parts;

[0098] The super-fine dry particles include the following components in parts by mass:

[0099] SiO2 52.5 parts, Al2O3 18.4 parts, Fe2O3 0.075 parts, TiO2 0.04 parts, CaO 5.9 parts, MgO 1.1 parts, K2O 4.3 parts, Na2O 2.1 parts, P2O5 0.01 parts, V2O5 0.01 parts, SrO 5.1 parts, ZrO2 0.08 parts, BaO 4.8 parts, ZnO 3.3 parts;

[0100] The method for preparing the ceramic tile is the same as in Example 1.

[0101] Example 4

[0102] In this example, the glaze composition includes a first glaze and a second glaze, in parts by mass:

[0103] The first glaze includes, in parts by mass, an antique face glaze 28.0 parts, a low-temperature glaze 18.0 parts, tourmaline 2.0 parts, burned talc 2.8 parts, dolomite 2.0 parts, sodium carboxymethyl cellulose 0.10 parts, a dispersing agent 0.04 parts, a preservative 0.075 parts, sodium tripolyphosphate 0.046 parts, and water 22.5 parts;

[0104] The second glaze includes transparent glaze 80.0 parts, dry particle glaze 20.0 parts.

[0105] The antique face glaze includes the following components in parts by mass:

[0106] SiO2 56.5 parts, Al2O3 30.5 parts, Fe2O3 0.2 parts, TiO2 0.15 parts, CaO 0.7 parts, MgO 1.2 parts, K2O 1.7 parts, Na2O 4.8 parts, P2O5 0.05 parts, SrO 0.01 parts, BaO 0.03 parts;

[0107] The low-temperature glaze includes the following components in parts by mass:

[0108] SiO2 69.1 parts, Al2O3 18.2 parts, Fe2O3 0.2 parts, TiO2 0.08 parts, CaO 0.25 parts, MgO 2.5 parts, K2O 2.25 parts, Na2O 3.6 parts, P2O5 0.05 parts, SrO 0.02 parts, ZrO2 0.02 parts, BaO 0.04 parts, ZnO 0.8 parts;

[0109] The transparent glaze includes the following components in parts by mass:

[0110] SiO2 45 parts, Al2O3 17 parts, Fe2O3 0.2 part, TiO2 0.2 part, CaO 7.5 parts, MgO 4.5 parts, K2O 0.5 part, Na2O 4.0 parts, P2O5 0.048 parts, SrO 3.5 parts, ZrO2 0.10 part, BaO 0.8 part, ZnO 4.2 parts;

[0111] The dry particle glaze comprises superfine dry particles 3918 50 parts, suspending agent 310 50 parts;

[0112] The superfine dry particles comprise the following components in parts by mass:

[0113] SiO2 52.5 parts, Al2O3 18.4 parts, Fe2O3 0.075 part, TiO2 0.04 part, CaO 5.9 parts, MgO 1.1 part, K2O 4.3 parts, Na2O 2.1 parts, P2O5 0.01 part, V2O5 0.01 part, SrO 5.1 parts, ZrO2 0.08 part, BaO 4.8 parts, ZnO 3.3 parts;

[0114] The method for preparing the ceramic tile is the same as that in Example 1.

[0115] Example 5

[0116] In this example, the glaze composition comprises a first glaze and a second glaze, in parts by mass:

[0117] The first glaze comprises antique face glaze 32.0 parts, low-temperature glaze 19.0 parts, tourmaline 2.0 parts, burned talc 2.8 parts, dolomite 2.0 parts, sodium carboxymethyl cellulose 0.10 part, dispersing agent 0.04 part, preservative 0.075 part, sodium tripolyphosphate 0.046 part, and water 22.5 parts, in parts by mass;

[0118] The second glaze comprises transparent glaze 80.0 parts, dry particle glaze 20.0 parts.

[0119] The antique face glaze comprises the following components in parts by mass:

[0120] SiO2 56.5 parts, Al2O3 29.5 parts, Fe2O3 0.2 part, TiO2 0.15 part, CaO 0.7 part, MgO 1.2 part, K2O 1.7 part, Na2O 4.8 parts, P2O5 0.05 part, SrO 0.01 part, BaO 0.03 part;

[0121] The low-temperature glaze comprises the following components in parts by mass:

[0122] SiO2 68.8 parts, Al2O3 17.5 parts, Fe2O3 0.2 parts, TiO2 0.08 parts, CaO 0.25 parts, MgO 2.5 parts, K2O 2.25 parts, Na2O 3.6 parts, P2O5 0.05 parts, SrO 0.02 parts, ZrO2 0.02 parts, BaO 0.04 parts, ZnO 0.8 parts;

[0123] The transparent glaze comprises the following components in mass fraction:

[0124] SiO2 45 parts, Al2O3 17 parts, Fe2O3 0.2 parts, TiO2 0.2 parts, CaO 7.5 parts, MgO 4.5 parts, K2O 0.5 parts, Na2O 4.0 parts, P2O5 0.048 parts, SrO 3.5 parts, ZrO2 0.10 parts, BaO 0.8 parts, ZnO 4.2 parts;

[0125] The dry particle glaze comprises ultrafine dry particles 3918 50 parts, suspending agent 310 50 parts;

[0126] The ultrafine dry particles comprise the following components in mass fraction:

[0127] SiO2 52.5 parts, Al2O3 18.4 parts, Fe2O3 0.075 parts, TiO2 0.04 parts, CaO 5.9 parts, MgO 1.1 parts, K2O 4.3 parts, Na2O 2.1 parts, P2O5 0.01 parts, V2O5 0.01 parts, SrO 5.1 parts, ZrO2 0.08 parts, BaO 4.8 parts, ZnO 3.3 parts;

[0128] The method for preparing the ceramic tile is the same as that in Example 1.

[0129] Comparative Example 1

[0130] The difference from Example 3 is that:

[0131] The antique surface glaze comprises the following components in mass fraction:

[0132] SiO2 57 parts, Al2O3 38 parts, Fe2O3 0.2 parts, TiO2 0.15 parts, CaO 0.7 parts, MgO 1.2 parts, K2O 1.7 parts, Na2O 4.8 parts, P2O5 0.05 parts, SrO 0.01 parts, BaO 0.03 parts.

[0133] Comparative Example 2

[0134] The difference from Example 3 is that:

[0135] The antique face glaze comprises the following components in mass fraction:

[0136] SiO2 57 parts, Al2O3 25 parts, Fe2O3 0.2 parts, TiO2 0.15 parts, CaO 0.7 parts, MgO 1.2 parts, K2O 1.7 parts, Na2O 4.8 parts, P2O5 0.05 parts, SrO 0.01 parts, BaO 0.03 parts.

[0137] Comparative Example 3

[0138] The difference from Example 3 is that the dry particle glaze added in the second glaze is 30.0 parts.

[0139] Comparative Example 4

[0140] The difference from Example 3 is that the dry particle glaze added in the second glaze is 10.0 parts.

[0141] Comparative Example 5

[0142] The difference from Example 3 is that the transparent glaze added in the second glaze is 100.0 parts.

[0143] Comparative Example 6

[0144] The difference from Example 3 is that the transparent glaze added in the second glaze is 60.0 parts.

[0145] Comparative Example 7

[0146] The difference from Example 3 is that the low-temperature glaze added in the first glaze is 10.0 parts.

[0147] Comparative Example 8

[0148] The difference from Example 3 is that the low-temperature glaze added in the first glaze is 30.0 parts.

[0149] Test Example

[0150] Gloss performance test: The gloss of the surface of the ceramic tile refers to the ability of the surface of the ceramic tile to reflect light. A WGG60-Y4 gloss meter produced by Ke Shiji Optoelectronic Instrument Co., Ltd. is used to test the gloss of the tile surface.

[0151] Melting temperature test: The melting temperature range of the glaze is tested according to QB / T 1546-2016 "Ceramic Glaze Melting Temperature Determination Method".

[0152] The performance of examples 1-5 and comparative examples 1-8 was detected, and the detection results are shown in Table 1 below.

[0153] Table 1: Test performance table of examples and comparative examples

[0154] Serial No. Gloss / ° Coloration on melting Melting temperature / °C Hand feeling Example 1 14.6° Good 1225 Smooth hand feeling, fine grain feeling Example 2 16.4° Good 1215 Smooth hand feeling, coarse grain feeling Example 3 15.2° Good 1220 Smooth hand feeling, fine grain feeling Example 4 15.0° Good 1222 Smooth hand feeling, fine grain feeling Example 5 14.4° Good 1227 Smooth hand feeling, fine grain feeling Comparative Example 1 7.2° Good 1260 Rough hand feeling, grain feeling Comparative Example 2 25.3° Good 1184 Smooth hand feeling, no grain feeling Comparative Example 3 15.0° Good 1220 Smooth hand feeling, coarse grain feeling Comparative Example 4 15.5° Good 1220 Smooth hand feeling, fine grain feeling Comparative Example 5 15.3° Good 1220 Smooth hand feeling, fine grain feeling Comparative Example 6 15.1° Good 1220 Smooth hand feeling, coarse grain feeling Comparative Example 7 13.6° Good 1232 Smooth hand feeling, fine grain feeling Comparative Example 8 17.4° Good 1213 Smooth hand feeling, fine grain feeling

[0155] As can be seen from the above detection data, the glazed tile prepared from the glaze composition of the embodiment of the present application can achieve a good balance in terms of gloss, color rendering effect, melting temperature and hand feeling, and can meet the needs of the market for marble tile products with a gloss of 10-20 degrees and a smooth and delicate surface with rich particles on the glaze surface. Figure 2-3

[0156] As can be seen from the above detection data, the glazed tile prepared from the glaze composition of the embodiment of the present application can achieve a good balance in terms of gloss, color rendering effect, melting temperature and hand feeling, and can meet the needs of the market for marble tile products with a gloss of 10-20 degrees and a smooth and delicate surface with rich particles on the glaze surface. Figure 4-7 As can be seen from the above detection data, the glazed tile prepared from the glaze composition of the embodiment of the present application can achieve a good balance in terms of gloss, color rendering effect, melting temperature and hand feeling, and can meet the needs of the market for marble tile products with a gloss of 10-20 degrees and a smooth and delicate surface with rich particles on the glaze surface.

[0157] Secondly, the component ratio of the first glaze mainly affects the smoothness and roughness of the glaze surface. When the content of low-temperature glaze decreases, the melting temperature of the first glaze will correspondingly increase, and the glaze surface will be relatively rougher and the gloss will decrease. If the content of low-temperature glaze increases, the melting temperature of the first glaze will decrease, and the glaze surface will be smoother and the gloss will be higher.

[0158] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.​

Claims

1. A type of ceramic tile, characterized in that: It includes a ceramic tile body and a first glaze and a second glaze sprayed sequentially onto the ceramic tile body; The first glaze, by weight, comprises 25.0–35.0 parts of antique glaze, 15.0–25.0 parts of low-temperature glaze, 1.0–3.0 parts of tourmaline, 2.5–3.0 parts of calcined talc, 1.0–3.0 parts of dolomite, 0.04–0.12 parts of sodium carboxymethyl cellulose, 0.01–0.05 parts of dispersant, 0.05–0.1 parts of preservative, 0.02–0.06 parts of sodium tripolyphosphate, and 20.0–25.0 parts of water. The second glaze comprises 70.0–90.0 parts of transparent glaze and 15–25 parts of dry granule glaze; The antique-style glaze comprises the following components in parts by weight: SiO2 56-58 parts, Al2O3 29-32 parts, Fe2O3 0.1-0.3 parts, TiO2 0.05-0.2 parts, CaO 0.6-0.8 parts, MgO 1.0-1.5 parts, K2O 1.5-1.8 parts, Na2O 4.6-5.0 parts, P2O5 0.02-0.06 parts, SrO 0-0.02 parts, and BaO 0.01-0.05 parts; the loss on ignition of the antique-style glaze is 0.27%-7.12%. The low-temperature glaze comprises the following components in parts by weight: SiO2 68–69.8 parts, Al2O3 17–18.5 parts, Fe2O3 0.1–0.3 parts, TiO2 0.05–0.1 parts, CaO 0.1–0.4 parts, MgO 2.0–3.0 parts, K2O 2.0–2.5 parts, Na2O 3.0–3.8 parts, P2O5 0.02–0.06 parts, SrO 0–0.03 parts, ZrO2 0–0.03 parts, BaO 0.01–0.06 parts, and ZnO 0.5–1.0 parts; the loss on ignition of the low-temperature glaze is 0.42%–7.22%. The transparent glaze comprises the following components in parts by weight: SiO2 44-46 parts, Al2O3 16-18 parts, Fe2O3 0.1-0.3 parts, TiO2 0.1-0.3 parts, CaO 7-8 parts, MgO 4-5 parts, K2O 0.3-0.6 parts, Na2O 3-4.5 parts, P2O5 0-0.08 parts, SrO 3-3.8 parts, ZrO2 0-0.15 parts, BaO 0.6-1 part, and ZnO 4-4.5 parts; the loss on ignition of the transparent glaze is 7.77%-17.9%. The dry granule glaze comprises 40-60 parts by weight of ultrafine dry granules; The ultrafine dry particles comprise the following components in parts by weight: SiO2 52-53 parts, Al2O3 17-18.8 parts, Fe2O3 0.05-0.1 parts, TiO2 0.02-0.06 parts, CaO 5.5-6.2 parts, MgO 1-1.2 parts, K2O 4-4.6 parts, Na2O 2-2.3 parts, P2O5 0-0.02 parts, V2O5 0-0.03 parts, SrO 5-5.2 parts, ZrO2 0-0.13 parts, BaO 4-5.2 parts, and ZnO 3-3.7 parts; the loss on ignition of the ultrafine dry particles is 6.43%-0%.

2. The ceramic tile according to claim 1, characterized in that: The dry granule glaze also contains 40-60 parts of suspending agent by weight.

3. A method for preparing ceramic tiles, characterized in that, Includes the following steps: Provide a ceramic tile blank; The first glaze as described in claim 1 is sprayed onto the ceramic tile body; Print a pattern onto the first glaze; The second glaze as described in any one of claims 1-2 is sprayed; the product is then fired and polished to produce the finished product.

4. The method for preparing ceramic tiles according to claim 3, characterized in that: The specific gravity of the first glaze is controlled at 1.85 g / ml to 1.89 g / ml, the flow rate is 32 to 42 s, and the fineness is 0.7% to 0.9%.

5. The method for preparing ceramic tiles according to claim 3, characterized in that: The specific gravity of the second glaze is controlled at 1.32 g / ml to 1.35 g / ml, the flow rate is 10 to 13 s, and the fineness is 0.3% to 0.5%.

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