CN114920541A - High-wear-resistance ceramic material for ceramic tiles, preparation method of high-wear-resistance ceramic material and high-wear-resistance ceramic tiles - Google Patents
High-wear-resistance ceramic material for ceramic tiles, preparation method of high-wear-resistance ceramic material and high-wear-resistance ceramic tiles Download PDFInfo
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Abstract
The application relates to the technical field of ceramic tile processing, and particularly discloses a high-wear-resistance ceramic material for ceramic tiles, a preparation method thereof and the high-wear-resistance ceramic tiles, wherein the high-wear-resistance ceramic material is mainly prepared from the following raw materials in parts by weight: 15-25 parts of potash feldspar, 25-35 parts of calcined talc, 6-10 parts of kyanite, 5-15 parts of silica sol adhesive, 5-15 parts of flint clay powder, 6-8 parts of vitrified micro bubbles, 4-6 parts of superfine titanium dioxide, 4-6 parts of superfine silicon dioxide powder and 4-6 parts of metal silicon powder. The high-wear-resistance ceramic material has the advantages of high wear resistance, high breaking strength and low water absorption rate through the synergistic effect of the raw materials, so that the high-wear-resistance ceramic material has excellent comprehensive performance and meets the market demand.
Description
Technical Field
The application relates to the technical field of ceramic tile processing, in particular to a high-wear-resistance ceramic material for ceramic tiles, a preparation method thereof and the high-wear-resistance ceramic tiles.
Background
Ceramics have a long history in China, which is a general term for ceramics and porcelain. The ceramic tile is one of ceramics, and the ceramic tile is also continuously improved along with the development of science and technology. The ceramic tile has the advantages of good freezing resistance and stain resistance, low water absorption, good acid and alkali resistance, brightness and gorgeous appearance, easy management and long service life, is favored by more and more consumers, and is widely applied to toilet, kitchen, balcony, exterior wall decoration and the like. The existing ceramic tile is generally prepared by grinding, mixing, pressing and calcining feldspar, talc, calcite, limestone and kaolin which are used as raw materials. The inventor finds that the breaking strength and the surface wear resistance of the ceramic tile are poor in practical application and need to be further improved.
Disclosure of Invention
In order to improve the wear resistance of the ceramic material and improve the breaking strength of the ceramic material, the application provides a high-wear-resistance ceramic material for ceramic tiles, a preparation method of the high-wear-resistance ceramic material and a high-wear-resistance ceramic tile.
In a first aspect, the present application provides a high wear-resistant ceramic material for ceramic tiles, which adopts the following technical scheme:
a high-wear-resistance ceramic material for ceramic tiles is mainly prepared from the following raw materials in parts by weight: 15-25 parts of potash feldspar, 25-35 parts of calcined talc, 6-10 parts of kyanite, 5-15 parts of silica sol adhesive, 5-15 parts of flint clay powder, 6-8 parts of vitrified micro bubbles, 4-6 parts of superfine titanium dioxide, 4-6 parts of superfine silicon dioxide powder and 4-6 parts of metal silicon powder.
The high-wear-resistance ceramic material for the ceramic tiles has the advantages that the compactness and the bonding strength are improved and the matrix is reinforced through the synergistic effect of the raw materials, so that the ceramic material has high wear resistance and high breaking strength, the wear resistance is more than or equal to 6.5 grade, and the breaking strength is more than 59 MPa; but also has higher density and lower water absorption, the density is more than 2.8g/cm 3 The water absorption is less than 0.35 percent. The high-wear-resistance ceramic material has good comprehensive performance and meets the market demand.
According to the application, the silica sol adhesive is added into the raw materials, has good permeability and bonding effect, contains silicon dioxide, and can effectively increase the compactness and the bonding strength of the high-wear-resistant ceramic material after the silicon dioxide is calcined and is retained in the high-wear-resistant ceramic material. Compared with the method that water is used as the adhesive, the silica sol adhesive is adopted in the application, so that the using amount of the adhesive can be reduced, and the performance of the high-wear-resistant ceramic material is improved. The added flint clay powder has good viscosity, contains a large amount of silicon dioxide and aluminum oxide, and is combined with the interaction between silicon in the silica sol adhesive and silicon and aluminum in the flint clay powder, so that the bonding strength and compactness of the raw materials can be improved, and the performance of the high-wear-resistant ceramic material is improved.
The vitrified micro bubbles are added into the raw materials, so that the fluidity among the raw materials is effectively increased, and the compactness is improved. The superfine titanium dioxide, the superfine silicon dioxide powder and the metal silicon powder are added, so that the raw materials can be effectively filled, the density of the high-wear-resistance ceramic material is increased, the porosity can be reduced, the water absorption rate is reduced, and the freezing resistance is improved. Meanwhile, based on the fact that the surface of the titanium dioxide powder contains a large number of active groups and the interaction among titanium in the superfine titanium dioxide powder, silicon in the superfine silicon dioxide powder and silicon in the metal silicon powder, the combination of the interaction among silicon in the vitrified micro bubbles can effectively increase the bonding strength among raw materials and improve the breaking strength.
Optionally, the weight ratio of the vitrified micro bubbles to the superfine titanium dioxide to the superfine silicon dioxide powder to the metal silicon powder is 7:5:5: 5.
By adopting the technical scheme, the weight ratio of the vitrified micro bubbles, the superfine titanium dioxide, the superfine silicon dioxide powder and the metal silicon powder is optimized, the comprehensive performance of the high-wear-resistant ceramic material is further improved, and the application range of the high-wear-resistant ceramic material is also enlarged.
Optionally, the mass content of the silicon dioxide in the silica sol adhesive is 20-40%; the mass content of the alumina in the flint clay powder is 40-50%, and the mass content of the silicon dioxide is 45-55%.
Optionally, the D50 particle size of the superfine titanium dioxide is 0.5-2 μm; d50 granularity of the superfine silicon dioxide powder is 0.5-2 μm; the D50 particle size of the metal silicon powder is 0.5-2 μm.
By adopting the technical scheme, the silica sol adhesive, the flint clay powder, the superfine titanium dioxide powder, the superfine silica powder and the metal silicon powder are optimized, so that the high-wear-resistance ceramic material is convenient to prepare, and the comprehensive performance of the high-wear-resistance ceramic material is improved.
In a second aspect, the present application provides a method for preparing the above high wear-resistant ceramic material for ceramic tiles, which adopts the following technical scheme:
the preparation method of the high-wear-resistance ceramic material for the ceramic tile comprises the following steps:
s1, uniformly mixing potassium feldspar, calcined talc, kyanite, flint clay powder and vitrified micro bubbles, and performing ball milling to obtain a premix;
s2, uniformly mixing the premix, the superfine titanium dioxide, the superfine silicon dioxide powder and the metal silicon powder to obtain a mixture;
s3, uniformly mixing the mixture and the silica sol adhesive, continuously stirring for 20-30min under the irradiation power of 15-25kw and the rotating speed of 200-;
and S4, calcining the blank to obtain the high-wear-resistance ceramic material.
By adopting the technical scheme, the preparation and control of the high-wear-resistance ceramic material are facilitated, in step S3, after the mixture and the silica sol adhesive are uniformly mixed, the mixture and the silica sol adhesive are continuously stirred under the irradiation power of 15-25kw, and the mixture and the silica sol adhesive can increase active groups on the surfaces of the mixture and the silica sol adhesive under the irradiation, so that the bonding strength of the high-wear-resistance ceramic material is increased, and the comprehensive performance of the high-wear-resistance ceramic material is further improved.
Further, in step S1, the ball milling process adopts wet ball milling, and the dispersant used in the wet ball milling process is water. And the wet ball milling is adopted, so that the dispersibility of the raw materials can be improved, the heat transfer is facilitated, the agglomeration of the raw materials is reduced, and the ball milling effect is improved. Furthermore, spray drying is adopted after wet ball milling treatment, so that drying is facilitated, and the agglomeration of the raw materials can be reduced.
Optionally, in step S1, the premix is sieved 250 mesh with a balance of 1.1-1.5%.
By adopting the technical scheme, the particle size of the premix can be conveniently controlled, the cost increase caused by over-small particle size of the premix can be avoided, and the influence on the performance of the high-wear-resistant ceramic material caused by over-large particle size of the premix can be avoided.
Optionally, in step S3, in the stamping forming process, the stamping pressure is 20 to 30Mpa, and the stamping time is 5 to 15S.
Through adopting above-mentioned technical scheme, the stamping forming of being convenient for.
Optionally, in step S4, the following method is adopted for the calcination process: heating to 800-; continuously heating to 1150-1250 ℃, and carrying out heat preservation treatment for 40-60 min; cooling to 500-600 ℃, and carrying out heat preservation treatment for 20-30 min; and continuously cooling to finish the calcining treatment.
By adopting the technical scheme, the green body is calcined by adopting a mode of two-stage temperature rise and one-stage temperature drop, so that the hardness of the high-wear-resistance ceramic material is increased, and the wear resistance and the breaking strength of the high-wear-resistance ceramic material are improved.
In a third aspect, the application provides a high wear-resistant ceramic tile, which adopts the following technical scheme:
the ceramic tile with high wear resistance is prepared from the ceramic tile with high wear resistance.
The high-wear-resistance ceramic tile comprises a tile blank layer, wherein the tile blank layer is prepared from the high-wear-resistance ceramic material for the ceramic tile.
In summary, the present application has the following beneficial effects:
1. the high-wear-resistance ceramic material for the ceramic tiles has high wear resistance and high breaking strength, the wear resistance is greater than or equal to 6.5 grade, the breaking strength is greater than 59MPa, and the ceramic material has good comprehensive performance and meets the market demand.
2. According to the preparation method of the high-wear-resistance ceramic material for the ceramic tile, after the mixture and the silica sol adhesive are uniformly mixed, the mixture is continuously stirred on the basis of irradiation, so that the comprehensive performance of the high-wear-resistance ceramic material is improved.
Detailed Description
The present application will be described in further detail with reference to examples.
Examples
TABLE 1 content of each raw material (unit: kg) of high abrasion resistant ceramic material
| Examples | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| Potassium feldspar | 20 | 15 | 25 | 20 | 20 |
| Burned talcum | 30 | 35 | 25 | 30 | 30 |
| Kyanite stone | 8 | 9 | 7 | 8 | 8 |
| Silica sol binder | 10 | 15 | 5 | 10 | 10 |
| Flint clay powder | 10 | 5 | 15 | 10 | 10 |
| Vitrified micro bubbles | 7 | 6 | 8 | 6 | 8 |
| Superfine titanium white powder | 5 | 6 | 4 | 6 | 4 |
| Ultrafine silicon dioxide powder | 5 | 6 | 4 | 6 | 4 |
| Metal silicon powder | 5 | 4 | 6 | 4 | 6 |
Example 1
The raw material proportion of the high-wear-resistance ceramic material for the ceramic tile is shown in table 1.
Wherein, the mass content of silicon dioxide in the potassium feldspar is 68%, the mass content of aluminum oxide is 17%, the mass content of potassium oxide is 11%, and the mass content of sodium oxide is 2.5%; the mass content of silicon dioxide, magnesium oxide and calcium oxide in the calcined talc is 65%, 33% and 1.6%; the mass content of aluminum oxide in the kyanite is 62 percent, and the mass content of silicon dioxide in the kyanite is 36 percent; the mass content of silicon dioxide in the silica sol adhesive is 30%, and the silicon dioxide is selected from JN-30; the mass content of aluminum oxide in the flint clay powder is 46 percent, and the mass content of silicon dioxide is 51 percent; the mass content of silicon dioxide in the vitrified micro bubbles is 86 percent, and the vitrified micro bubbles are selected from Xinyang Jinhualan; the D50 granularity of the superfine titanium dioxide is 1 mu m; the D50 particle size of the superfine silicon dioxide powder is 0.8 mu m; the D50 particle size of the metal silicon powder is 2 μm.
A preparation method of a high-wear-resistance ceramic material for ceramic tiles comprises the following steps:
s1, uniformly mixing the potash feldspar, the burnt talc, the kyanite, the flint clay powder and the vitrified micro bubbles to obtain a mixed material. Adding the mixed materials into water to form slurry, then carrying out ball milling on the slurry until the balance of the 250-mesh sieve is 1.3%, and carrying out spray drying to obtain the premix.
Wherein the weight ratio of water to the mixed materials is 0.5: 1.
S2, uniformly mixing the premix, the superfine titanium dioxide, the superfine silicon dioxide powder and the metal silicon powder to obtain a mixture.
S3, uniformly mixing the mixture and the silica sol adhesive, and then continuously stirring for 25min under the irradiation power of 20kw and the rotating speed of 300 r/min. Then, press forming was carried out under a press pressure of 25MPa for a press time of 10 seconds. Then drying at the temperature of 40-50 ℃ to obtain a blank body.
S4, heating the blank to 850 ℃, and carrying out heat preservation treatment for 25 min; continuously heating to 1200 ℃, and carrying out heat preservation treatment for 50 min; cooling to 550 deg.C, and maintaining the temperature for 25 min; and continuously cooling to 25 ℃ to obtain the high-wear-resistance ceramic material.
Examples 2 to 5
The high-wear-resistance ceramic material for the ceramic tile is different from the ceramic tile in the embodiment 1 in the raw material ratio, and the raw material ratio of the high-wear-resistance ceramic material is shown in table 1.
Example 6
A high wear-resistant ceramic material for ceramic tiles, which is different from the ceramic material of example 1 in the preparation method of the high wear-resistant ceramic material, step S3. And step S3 specifically includes: and uniformly mixing the mixture and the silica sol adhesive. Then, press forming was carried out under a press pressure of 25MPa for a press time of 10 seconds. Then drying at the temperature of 40-50 ℃ to obtain a blank body.
Example 7
A high wear-resistant ceramic material for ceramic tiles, which is different from the ceramic material of example 1 in the preparation method of the high wear-resistant ceramic material, step S4. And step S4 specifically includes: heating to 850 deg.C, and holding the blank for 25 min; continuously heating to 1200 ℃, and carrying out heat preservation treatment for 50 min; and cooling to 25 ℃ to obtain the high-wear-resistance ceramic material.
Comparative example
Comparative example 1
The high-wear-resistance ceramic material for the ceramic tile is different from the ceramic tile in embodiment 1 in that the raw materials of the high-wear-resistance ceramic material are not added with flint clay powder.
Comparative example 2
A high abrasion resistant ceramic material for ceramic tiles, which is different from example 1 in that the silica sol binder is replaced with an equal amount of water in the raw material of the abrasion resistant ceramic material.
Comparative example 3
A high abrasion resistant ceramic material for ceramic tiles, which is different from example 1 in that the raw material of the abrasion resistant ceramic material is replaced with the same amount of water as the silica sol binder, and flint clay powder is not added.
Comparative example 4
The high-wear-resistance ceramic material for the ceramic tiles is different from the ceramic material in the embodiment 1 in that vitrified micro bubbles are not added in the raw materials of the high-wear-resistance ceramic material.
Comparative example 5
The high-wear-resistance ceramic material for the ceramic tile is different from the ceramic material in the embodiment 1 in that superfine titanium dioxide is not added in the raw materials of the high-wear-resistance ceramic material.
Comparative example 6
The high-wear-resistance ceramic material for the ceramic tile is different from the ceramic tile in embodiment 1 in that ultrafine silica powder is not added to the raw materials of the high-wear-resistance ceramic material.
Comparative example 7
The high-wear-resistance ceramic material for the ceramic tiles is different from the ceramic material in the embodiment 1 in that metal silicon powder is not added in the raw materials of the high-wear-resistance ceramic material.
Comparative example 8
The high-wear-resistance ceramic material for the ceramic tile is different from the ceramic material in the embodiment 1 in that vitrified micro bubbles, superfine titanium dioxide, superfine silicon dioxide powder and metal silicon powder are not added in the raw materials of the high-wear-resistance ceramic material.
Performance test
The high wear-resistant ceramic materials obtained in examples 1 to 7 and comparative examples 1 to 8 were used as samples, and the following performance tests were performed on the samples, the wear resistance ratings are shown in table 2, and the test results are shown in table 3.
The sample size was 300 mm. times.300 mm. times.8 mm.
According to GB/T3810-2016 ceramic tile test method, the wear resistance and water absorption of a sample are detected.
And (3) detecting the breaking strength of the sample according to GB/T2542-2012 'wall brick test method'.
TABLE 2 abrasion resistance rating Scale
| Number of grinding revolutions with visible wear | Grading |
| 100 | 0 |
| 150 | 1 |
| 600 | 2 |
| 1050 | 2.5 |
| 1500 | 3 |
| 3500 | 3.5 |
| 5500 | 4 |
| 7500 | 4.5 |
| 9500 | 5 |
| 11500 | 5.5 |
| 13500 | 6 |
| 15500 | 6.5 |
| 17500 | 7 |
| ＞17500 | 7.5 |
TABLE 3 test results
| Detecting items | Abrasion resistance/(level) | Density/(g/cm) 3 ) | Water absorption/(%) | Breaking strength/(Mpa) |
| Example 1 | 7.5 | 2.97 | 0.11 | 63.8 |
| Example 2 | 6.5 | 2.81 | 0.32 | 59.6 |
| Example 3 | 7 | 2.85 | 0.23 | 61.4 |
| Example 4 | 7 | 2.87 | 0.21 | 61.8 |
| Example 5 | 7 | 2.89 | 0.2 | 62.1 |
| Example 6 | 7 | 2.95 | 0.18 | 62.4 |
| Example 7 | 7.5 | 2.99 | 0.16 | 62.9 |
| Comparative example 1 | 6 | 2.74 | 0.42 | 58.6 |
| Comparative example 2 | 6 | 2.68 | 0.56 | 56.3 |
| Comparative example 3 | 5.5 | 2.62 | 0.63 | 55.1 |
| Comparative example 4 | 5.5 | 2.59 | 0.35 | 56.2 |
| Comparative example 5 | 5.5 | 2.65 | 0.45 | 53.4 |
| Comparative example 6 | 5.5 | 2.63 | 0.49 | 52.1 |
| Comparative example 7 | 5.5 | 2.64 | 0.46 | 52.9 |
| Comparative example 8 | 5 | 2.54 | 0.57 | 49.5 |
As can be seen from Table 3, the high wear-resistant ceramic material for ceramic tiles has high wear resistance and density, the wear resistance is 6.5-7.5,The density is 2.81-2.97g/cm 3 (ii) a And it also has lower water absorption, water absorption is 0.11-0.32%; meanwhile, the composite material also has higher flexural strength which is 59.6-63.8 MPa. The high-wear-resistance ceramic material has good comprehensive performance and meets the market demand.
Comparing example 1 with comparative examples 1-2, it can be seen that the addition of silica sol binder and flint clay powder to the raw materials effectively increases the abrasion resistance, density and breaking strength of the high abrasion resistant ceramic material. Combining with comparative examples 4-8, vitrified micro bubbles, ultrafine titanium dioxide, ultrafine silicon dioxide powder and metal silicon powder are added into the raw materials of the high-wear-resistant ceramic material, and the synergistic effect among the vitrified micro bubbles, ultrafine titanium dioxide, ultrafine silicon dioxide powder and metal silicon powder is utilized to increase the comprehensive performance of the high-wear-resistant ceramic material.
Comparing the example 1 with the examples 4 to 5, it can be seen that the high-wear-resistance ceramic material has better comprehensive performance when the weight ratio of the vitrified micro bubbles, the superfine titanium dioxide, the superfine silica powder and the metal silicon powder in the raw materials of the high-wear-resistance ceramic material is 7:5:5: 5. With reference to examples 6 to 7, in the preparation method of the high wear-resistant ceramic material, the mixture and the silica sol binder are subjected to irradiation treatment; the comprehensive performance of the high-wear-resistant ceramic material can be improved by adopting two-stage heating and one-stage cooling.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The high-wear-resistance ceramic material for the ceramic tiles is characterized in that: the traditional Chinese medicine composition is mainly prepared from the following raw materials in parts by weight: 15-25 parts of potash feldspar, 25-35 parts of calcined talc, 6-10 parts of kyanite, 5-15 parts of silica sol adhesive, 5-15 parts of flint clay powder, 6-8 parts of vitrified micro bubbles, 4-6 parts of superfine titanium dioxide, 4-6 parts of superfine silicon dioxide powder and 4-6 parts of metal silicon powder.
2. The high wear-resistant ceramic material for ceramic tiles according to claim 1, wherein: the weight ratio of the vitrified micro bubbles to the superfine titanium dioxide to the superfine silicon dioxide powder to the metal silicon powder is 7:5:5: 5.
3. The high wear-resistant ceramic material for ceramic tiles according to claim 1, wherein: the mass content of silicon dioxide in the silica sol adhesive is 20-40%; the flint clay powder contains 40-50% of aluminum oxide and 45-55% of silicon dioxide by mass.
4. The high wear-resistant ceramic material for ceramic tiles according to claim 1, wherein: the D50 granularity of the superfine titanium dioxide is 0.5-2 μm; d50 granularity of the superfine silicon dioxide powder is 0.5-2 μm; the D50 particle size of the metal silicon powder is 0.5-2 μm.
5. A method for preparing a high wear-resistant ceramic material for ceramic tiles as defined in any one of claims 1 to 4, characterized in that: the method comprises the following steps:
s1, uniformly mixing potassium feldspar, calcined talc, kyanite, flint clay powder and vitrified micro bubbles, and performing ball milling to obtain a premix;
s2, uniformly mixing the premix, the superfine titanium dioxide, the superfine silicon dioxide powder and the metal silicon powder to obtain a mixture;
s3, uniformly mixing the mixture and the silica sol adhesive, continuously stirring for 20-30min under the irradiation power of 15-25kw and the rotating speed of 200-;
and S4, calcining the blank to obtain the high-wear-resistance ceramic material.
6. The method for preparing a high wear-resistant ceramic material for ceramic tiles as claimed in claim 5, wherein: in step S1, the premix is sieved 250 mesh with the balance of 1.1-1.5%.
7. The method for preparing a high wear-resistant ceramic material for ceramic tiles as claimed in claim 5, wherein: in step S3, in the stamping forming treatment, the stamping pressure is 20-30Mpa, and the stamping time is 5-15S.
8. The method for preparing a high wear-resistant ceramic material for ceramic tiles as claimed in claim 5, wherein: in step S4, the following method is used for the calcination treatment: heating to 800-; continuously heating to 1150-1250 ℃, and carrying out heat preservation treatment for 40-60 min; cooling to 500 ℃ and 600 ℃, and carrying out heat preservation treatment for 20-30 min; and continuously cooling to finish the calcination treatment.
9. A high wear-resistant ceramic tile is characterized in that: which is produced from a high wear resistant ceramic material for ceramic tiles as defined in any one of claims 1 to 4.
10. A high wear-resistant ceramic tile comprises a tile blank layer and is characterized in that: the green brick layer is prepared from the high wear-resistant ceramic material for ceramic tiles as defined in any one of claims 1 to 4.
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| CN116354697A (en) * | 2023-04-06 | 2023-06-30 | 内蒙古无为陶瓷有限公司 | High-hardness wear-resistant ceramic tile and preparation method thereof |
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