High-temperature-resistant glaze, ceramic material and application of high-temperature-resistant glaze in tea set

Abstract

The invention relates to the technical field of ceramics, in particular to a high-temperature-resistant glaze, a ceramic material and application of the ceramic material in a tea set, and the high-temperature-resistant glaze is prepared from the following raw materials in parts by weight: 30-35 parts of potassium feldspar, 15-20 parts of calcined talc, 8-12 parts of nano-zinc oxide, 10-15 parts of an enhanced additive and 5-8 parts of petalite. According to the high-temperature-resistant glaze disclosed by the invention, the potassium feldspar and the calcined talc are matched with the nano zinc oxide, the enhanced additive and the petalite to prepare the high-temperature-resistant glaze, and meanwhile, the albite, the illite, the tourmaline and other raw materials are matched with the strength stabilizer doped with the nano boric oxide to be blended and subjected to wet ball milling to prepare a green body; through joint cooperation and improvement of the strength stabilizer doped with nano boron oxide in the green body and the strength additive in the glaze, the high temperature resistance, the antibacterial property and the fracture toughness of the obtained product are harmoniously improved, and the scrubbing-resistant stability effect of the product is remarkable.

Description

Technical Field

[0001] The invention relates to the technical field of ceramics, and in particular to a high temperature resistant glaze, a ceramic material and applications thereof in tea sets. Background Art

[0002] Tea ceremony is one of the traditional Chinese cultures, and tea sets, as the display entity of tea ceremony culture, have been changing in shape with the development of the times. The change of tea sets is a reflection of the change of tea ceremony culture. Tea sets are usually ceramic tea sets, including tea trays, teapots and some tea. The ceramic materials used in existing tea sets have poor high temperature resistance, and the antibacterial and fracture toughness properties of the products are average. It is difficult to achieve balanced improvement in performance of the products, and the product's resistance to scrubbing and stability is poor, which further limits the product's use efficiency. Summary of the invention

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a high temperature resistant glaze, a ceramic material and the application of the same in tea sets, so as to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a high temperature resistant glaze, comprising the following raw materials in parts by weight: 30-35 parts of potassium feldspar, 15-20 parts of calcined talc, 8-12 parts of nano zinc oxide, 10-15 parts of reinforcing additives, and 5-8 parts of petalite.

[0005] Preferably, the high temperature resistant glaze comprises the following raw materials in parts by weight: 32.5 parts of potassium feldspar, 17.5 parts of calcined talc, 10 parts of nano zinc oxide, 12.5 parts of reinforcing additives, and 6.5 parts of petalite.

[0006] Preferably, the preparation method of the enhanced additive is: S11: 5-8 parts of α-nano alumina, 2-4 parts of sodium carboxymethyl cellulose, 1-3 parts of silane coupling agent KH550 and 4-7 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 120-130°C for 1 hour, then heating to 300°C at a rate of 1-3°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano-bentonite agent and α-nano-alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

[0007] Preferably, the mass fraction of the dopamine hydrochloride solution is 5-8%.

[0008] Preferably, the particle size of the α-nano alumina is 3-5 nm.

[0009] The present invention also provides a ceramic material, using the high temperature resistant glaze, the ceramic material is made by the following steps: Step 1: 20-30 parts of albite, 10-15 parts of illite, 5-8 parts of tourmaline, 4-7 parts of silicon carbide and 8-12 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain the high temperature resistant glaze; apply the high temperature resistant glaze to the surface of the body, and the glazing amount is 600g / m 2 , glazing is completed and a glazed body is obtained; Step 3: sintering the glazed body at a sintering temperature of 1400-1450°C for 6 hours to obtain a ceramic material.

[0010] Preferably, the preparation method of the stabilizer doped with nano-boron oxide is: S01: Blend calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of (5-7):3:(8-10) to obtain a calcium sulfate whisker solution; Then, 3 to 5 parts of titanium dioxide and 1 to 3 parts of nano magnesium oxide are added to 5 to 8 parts of calcium sulfate whisker solution by weight and stirred sufficiently to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 60-65°C for 1 hour, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 5-8 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

[0011] Preferably, the mass fraction of the sodium silicate solution is 5-8%; the mass fraction of the sodium dodecyl sulfate solution is 2-5%.

[0012] Preferably, the ultrasonic treatment is performed at an ultrasonic power of 350-400 W and for 20-30 min.

[0013] Preferably, the stabilizer comprises the following raw materials in parts by weight: 3~5 parts of nano boron oxide, 2~3 parts of barium carbonate, 1~3 parts of β-cyclodextrin, 1~2 parts of wollastonite and 5~8 parts of 8% by mass sodium lignin sulfonate solution.

[0014] The invention also provides an application of the ceramic material in tea sets.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The high temperature resistant glaze of the present invention is prepared by mixing potassium feldspar, calcined talc with nano zinc oxide, reinforcing additives and petalite, and simultaneously mixing raw materials such as albite, illite and tourmaline with a stabilizer doped with nano boron oxide and wet ball milling to prepare a green body. The stabilizer doped with nano boron oxide in the green body and the reinforcing additive in the glaze are improved together, so that the high temperature resistance, antibacterial property and fracture toughness property of the obtained product are improved in a coordinated manner, and the product has a remarkable effect on the stability of the product against scrubbing. The stabilizer doped with nano-boron oxide uses aluminum silicate fiber as a matrix, is preheated and activated, and then ultrasonically treated with a whisker-modified treatment solution. The whisker-modified treatment solution uses titanium dioxide, nano-magnesium oxide and calcium sulfate whisker solution, and the calcium sulfate whisker solution is co-modified and improved by calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution. The whisker-like structure of calcium sulfate whiskers is combined with the fibrous structure of aluminum silicate fiber, and the whisker and needle-like structures are hybridized to optimize the performance coordination of the product. After the specific raw materials are blended and improved, the aluminum silicate fiber body treated with whiskers is obtained to enhance the performance effect of the product system in the system. The nano-boron oxide in the stabilizer is combined with barium carbonate and wollastonite. Through the coordination and mutual assistance between the raw materials, and further blended with β-cyclodextrin and 8% sodium lignin sulfonate solution by mass fraction, the coordination of system performance is further strengthened, and the performance stability is optimized. The reinforcing additive is prepared by mixing α-nano alumina with sodium carboxymethyl cellulose, silane coupling agent KH550 and dopamine hydrochloride solution, and then blending it into the system with α-nano alumina as the matrix to strengthen the system performance. At the same time, it is heat-treated at 120-130°C for 1h with nano-bentonite, and then heated to 300°C at a rate of 1-3°C / min and kept warm for 20min. The activity of the nano-bentonite layer structure is optimized through thermal improvement, so that the nano-bentonite agent and α-nano alumina liquid can better cooperate with each other, so that the obtained reinforcing additive further reinforces the stabilizer doped with nano-boron oxide, and the performance of the product is further improved. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] A high temperature resistant glaze of this embodiment includes the following raw materials in parts by weight: 30-35 parts of potassium feldspar, 15-20 parts of calcined talc, 8-12 parts of nano zinc oxide, 10-15 parts of reinforcing additives, and 5-8 parts of petalite.

[0018] The preparation method of the enhanced additive of this embodiment is: S11: 5-8 parts of α-nano alumina, 2-4 parts of sodium carboxymethyl cellulose, 1-3 parts of silane coupling agent KH550 and 4-7 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 120-130°C for 1 hour, then heating to 300°C at a rate of 1-3°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano-bentonite agent and α-nano-alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

[0019] The mass fraction of the dopamine hydrochloride solution in this embodiment is 5-8%.

[0020] The particle size of α-nano alumina in this embodiment is 3-5 nm.

[0021] A ceramic material of this embodiment uses the high temperature resistant glaze, and the ceramic material is made by the following steps: Step 1: 20-30 parts of albite, 10-15 parts of illite, 5-8 parts of tourmaline, 4-7 parts of silicon carbide and 8-12 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain the high temperature resistant glaze; apply the high temperature resistant glaze to the surface of the body, and the glazing amount is 600g / m 2 , glazing is completed and a glazed body is obtained; Step 3: sintering the glazed body at a sintering temperature of 1400-1450°C for 6 hours to obtain a ceramic material.

[0022] The preparation method of the stabilizer doped with nano boron oxide in this embodiment is as follows: S01: Blend calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of (5-7):3:(8-10) to obtain a calcium sulfate whisker solution; Then, 3 to 5 parts of titanium dioxide and 1 to 3 parts of nano magnesium oxide are added to 5 to 8 parts of calcium sulfate whisker solution by weight and stirred sufficiently to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 60-65°C for 1 hour, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 5-8 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

[0023] The mass fraction of the sodium silicate solution in this embodiment is 5-8%; the mass fraction of the sodium dodecyl sulfate solution is 2-5%.

[0024] The ultrasonic treatment in this embodiment has an ultrasonic power of 350-400 W and is carried out for 20-30 min.

[0025] The stabilizer and enhancer of this embodiment comprises the following raw materials in parts by weight: 3~5 parts of nano boron oxide, 2~3 parts of barium carbonate, 1~3 parts of β-cyclodextrin, 1~2 parts of wollastonite and 5~8 parts of 8% by mass sodium lignin sulfonate solution.

[0026] The ceramic material of this embodiment is used in tea sets.

[0027] Example 1: A high temperature resistant glaze comprising the following raw materials in parts by weight: 30 parts of potassium feldspar, 15 parts of calcined talc, 8 parts of nano zinc oxide, 10 parts of reinforcing additives, and 5 parts of petalite.

[0028] The preparation method of the enhanced additive of this embodiment is: S11: 5 parts of α-nano alumina, 2 parts of sodium carboxymethyl cellulose, 1 part of silane coupling agent KH550 and 4 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 120°C for 1 hour, then heating to 300°C at a rate of 1°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano-bentonite agent and α-nano-alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

[0029] The mass fraction of the dopamine hydrochloride solution in this embodiment is 5%.

[0030] The particle size of α-nano alumina in this embodiment is 3 nm.

[0031] A ceramic material of this embodiment uses the high temperature resistant glaze, and the ceramic material is made by the following steps: Step 1: 20 parts of albite, 10 parts of illite, 5 parts of tourmaline, 4 parts of silicon carbide and 8 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain the high temperature resistant glaze; apply the high temperature resistant glaze to the surface of the body, and the glazing amount is 600g / m 2 , glazing is completed and a glazed body is obtained; Step 3: sintering the glazed body at a sintering temperature of 1400° C. for 6 hours, and finally obtaining a ceramic material.

[0032] The preparation method of the stabilizer doped with nano boron oxide in this embodiment is as follows: S01: Blending calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of 5:3:8 to obtain a calcium sulfate whisker solution; Then, 3 parts of titanium dioxide and 1 part of nano magnesium oxide were added to 5 parts of calcium sulfate whisker solution by weight and stirred thoroughly to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 60° C. for 1 h, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 5 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

[0033] The mass fraction of the sodium silicate solution in this embodiment is 5%; the mass fraction of the sodium dodecyl sulfate solution is 2%.

[0034] The ultrasonic treatment in this embodiment has an ultrasonic power of 350 W and is carried out for 20 min.

[0035] The stabilizer and enhancer of this embodiment comprises the following raw materials in parts by weight: 3 parts of nano boron oxide, 2 parts of barium carbonate, 1 part of β-cyclodextrin, 1 part of wollastonite and 5 parts of 8% by mass sodium lignin sulfonate solution.

[0036] The ceramic material of this embodiment is used in tea sets.

[0037] Example 2: A high temperature resistant glaze comprising the following raw materials in parts by weight: 35 parts of potassium feldspar, 20 parts of calcined talc, 12 parts of nano zinc oxide, 15 parts of reinforcing additives, and 8 parts of petalite.

[0038] The preparation method of the enhanced additive of this embodiment is: S11: 8 parts of α-nano alumina, 4 parts of sodium carboxymethyl cellulose, 3 parts of silane coupling agent KH550 and 7 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 130°C for 1 hour, then heating to 300°C at a rate of 3°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano-bentonite agent and α-nano-alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

[0039] The mass fraction of the dopamine hydrochloride solution in this embodiment is 8%.

[0040] The particle size of α-nano alumina in this embodiment is 5 nm.

[0041] A ceramic material of this embodiment uses the high temperature resistant glaze, and the ceramic material is made by the following steps: Step 1: 30 parts of albite, 15 parts of illite, 8 parts of tourmaline, 7 parts of silicon carbide and 12 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain the high temperature resistant glaze; apply the high temperature resistant glaze to the surface of the body, and the glazing amount is 600g / m 2 , glazing is completed and a glazed body is obtained; Step 3: sintering the glazed body at a sintering temperature of 1450° C. for 6 hours, and finally obtaining a ceramic material.

[0042] The preparation method of the stabilizer doped with nano boron oxide in this embodiment is as follows: S01: Blending calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of 7:3:10 to obtain a calcium sulfate whisker solution; Then, 5 parts of titanium dioxide and 3 parts of nano magnesium oxide were added to 8 parts of calcium sulfate whisker solution by weight and stirred thoroughly to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 65° C. for 1 h, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 8 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

[0043] The mass fraction of the sodium silicate solution in this embodiment is 8%; the mass fraction of the sodium dodecyl sulfate solution is 5%.

[0044] The ultrasonic treatment in this embodiment has an ultrasonic power of 400 W and is carried out for 30 min.

[0045] The stabilizer and enhancer of this embodiment comprises the following raw materials in parts by weight: 5 parts of nano boron oxide, 3 parts of barium carbonate, 3 parts of β-cyclodextrin, 2 parts of wollastonite and 8 parts of 8% by mass sodium lignin sulfonate solution.

[0046] The ceramic material of this embodiment is used in tea sets.

[0047] Example 3: A high temperature resistant glaze comprising the following raw materials in parts by weight: 32.5 parts of potassium feldspar, 17.5 parts of calcined talc, 10 parts of nano zinc oxide, 12.5 parts of reinforcing additives, and 6.5 parts of petalite.

[0048] The preparation method of the enhanced additive of this embodiment is: S11: 6.5 parts of α-nano alumina, 3 parts of sodium carboxymethyl cellulose, 2 parts of silane coupling agent KH550 and 5.5 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 125°C for 1 hour, then heating to 300°C at a rate of 2°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano-bentonite agent and α-nano-alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

[0049] The mass fraction of the dopamine hydrochloride solution in this embodiment is 6.5%.

[0050] The particle size of α-nano alumina in this embodiment is 4 nm.

[0051] A ceramic material of this embodiment uses the high temperature resistant glaze, and the ceramic material is made by the following steps: Step 1: 25 parts of albite, 12.5 parts of illite, 6.5 parts of tourmaline, 5.5 parts of silicon carbide and 10 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain a high temperature resistant glaze; glaze the high temperature resistant glaze onto the surface of the body, with a glazing amount of 600 g / m2, and complete the glazing to obtain a glazed body; Step 3: sintering the glazed body at a sintering temperature of 1425° C. for 6 hours, and then completing the sintering to obtain a ceramic material.

[0052] The preparation method of the stabilizer doped with nano boron oxide in this embodiment is as follows: S01: Blending calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of 6:3:9 to obtain a calcium sulfate whisker solution; Then, 4 parts of titanium dioxide and 2 parts of nano magnesium oxide were added to 6.5 parts of calcium sulfate whisker solution by weight and stirred thoroughly to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 62.5° C. for 1 h, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 6.5 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

[0053] The mass fraction of the sodium silicate solution in this embodiment is 6.5%; the mass fraction of the sodium dodecyl sulfate solution is 3.5%.

[0054] The ultrasonic treatment in this embodiment was performed with an ultrasonic power of 375 W and for 25 min.

[0055] The stabilizer and enhancer of this embodiment comprises the following raw materials in parts by weight: 4 parts of nano boron oxide, 2.5 parts of barium carbonate, 2 parts of β-cyclodextrin, 1.5 parts of wollastonite and 6.5 parts of 8% by mass sodium lignin sulfonate solution.

[0056] The ceramic material of this embodiment is used in tea sets.

[0057] Comparative Example 1: The difference from Example 3 is that no stabilizer doped with nano boron oxide is added to the green body.

[0058] Comparative Example 2: The difference from Example 3 is that whisker-treated aluminum silicate fibers are not added in the preparation of the stabilizer doped with nano-boron oxide.

[0059] Comparative Example 3: The difference from Example 3 is that no preheated aluminum silicate fibers are added in the preparation of the whisker-treated aluminum silicate fiber body.

[0060] Comparative Example 4: The difference from Example 3 is that the preheated aluminum silicate fibers are not treated with a whisker-modified treatment solution.

[0061] Comparative Example 5: The difference from Example 3 is that titanium dioxide and nano-magnesium oxide are not added to the treatment solution based on whisker modification.

[0062] Comparative Example 6: The difference from Example 3 is that the calcium sulfate whisker solution in the whisker-modified treatment solution is replaced by a sodium silicate solution and a sodium dodecyl sulfate solution mixed in a weight ratio of 3:9.

[0063] Comparative Example 7: The difference from Example 3 is that no stabilizing and strengthening agent is added in the preparation of the stabilizer doped with nano-boron oxide.

[0064] Comparative Example 8: The difference from Example 3 is that no nano boron oxide is added to the stabilizer.

[0065] Comparative Example 9: The difference from Example 3 is that no barium carbonate is added to the stabilizer.

[0066] Comparative Example 10: The difference from Example 3 is that β-cyclodextrin and wollastonite are not added to the stabilizer.

[0067] Comparative Example 11: The difference from Example 3 is that no reinforcing additive is added to the glaze.

[0068] Comparative Example 12: The difference from Example 3 is that no α-nano alumina liquid is added in the preparation of the enhanced additive.

[0069] Comparative Example 13: The difference from Example 3 is that α-nano alumina and 3 parts of sodium carboxymethyl cellulose are not added to the α-nano alumina liquid.

[0070] Comparative Example 14: The difference from Example 3 is that no nano bentonite agent is added in the preparation of the enhanced additive.

[0071] The products of Examples 1 to 3 and Comparative Examples 1 to 14 were subjected to performance tests to test the high temperature resistance, antibacterial performance, and fracture toughness of the products. The test results are shown in Table 1.

[0072] Table 1 Product performance test results of Examples 1 to 3 and Comparative Examples 1 to 14; It can be seen from comparative examples 1 to 14 and embodiments 1 to 3 that the product of embodiment 3 has excellent Escherichia coli antibacterial rate, fracture toughness and linear expansion coefficient, and the high temperature resistance, antibacterial property and fracture toughness of the product can achieve coordinated improvement.

[0073] Based on the above performance tests, the present invention further tests the high temperature resistance, antibacterial performance and fracture toughness of the product under washing conditions. The washing liquid uses acetic acid with a mass fraction of 5%, the washing number is 100 times, and the washing load force is 5N. The test results are shown in Table 2.

[0074] Table 2 Performance test results of the products of Examples 1 to 3 and Comparative Examples 1 to 14 under washing conditions; From comparative examples 1 to 14, embodiment 3 and the scrubbing resistance test, it can be seen that the performance of the products has a significant deterioration trend when no stabilizer doped with nano-boron oxide is added to the green body and no reinforcing additive is added to the glaze; In the preparation of the stabilizer doped with nano-boron oxide, no whisker-treated aluminum silicate fiber was added, no preheated aluminum silicate fiber was added in the preparation of the whisker-treated aluminum silicate fiber, the preheated aluminum silicate fiber was not treated with a whisker-modified treatment solution, no titanium dioxide and nano-magnesium oxide were added to the whisker-modified treatment solution, and the calcium sulfate whisker solution in the whisker-modified treatment solution was fully replaced by a sodium silicate solution and a sodium dodecyl sulfate solution mixed in a weight ratio of 3:9. The performance of the products all tended to deteriorate to varying degrees. The performance of the product was most significant when the preheated aluminum silicate fiber obtained by the specific method of the present invention was combined with the whisker-modified aluminum silicate fiber body made by the whisker-modified treatment liquid. And the performance of the product also showed a relatively obvious trend of deterioration when no stabilizing and regulating strengthening agent was added in the preparation of the stabilizing and regulating strengthening agent doped with nano-boron oxide. At the same time, the performance of the product showed a trend of deterioration to varying degrees when no nano-boron oxide, no barium carbonate, no β-cyclodextrin, and no wollastonite were added to the stabilizing and regulating strengthening agent. Only the stabilizing and regulating strengthening agent obtained by the specific method of the present invention had the most significant performance effect of the product. No α-nano alumina liquid was added in the preparation of the enhanced additive, no α-nano alumina was added to the α-nano alumina liquid, 3 parts of sodium carboxymethyl cellulose, and no nano bentonite agent was added in the preparation of the enhanced additive. The performance of the product tended to deteriorate. The enhanced additive obtained by the specific method of the present invention had the most significant performance effect.

[0075] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0076] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high temperature resistant glaze, characterized in that: It includes the following raw materials in parts by weight: 30-35 parts of potassium feldspar, 15-20 parts of calcined talc, 8-12 parts of nano zinc oxide, 10-15 parts of reinforcing additives, 5-8 parts of petalite; The preparation method of the enhanced additive is: S11: 5-8 parts of α-nano alumina, 2-4 parts of sodium carboxymethyl cellulose, 1-3 parts of silane coupling agent KH550 and 4-7 parts of dopamine hydrochloride solution are fully mixed by weight to obtain α-nano alumina liquid; S12: heat treating the nano bentonite at 120-130°C for 1 hour, then heating to 300°C at a rate of 1-3°C / min, keeping the temperature for 20 minutes, and finally air cooling to room temperature to obtain a nano bentonite agent; S13: Mix the nano bentonite agent and α-nano alumina liquid in a weight ratio of 5:3, and perform ball milling at a ball milling speed of 1500 r / min for 2 h. After the ball milling is completed, filter and dry to obtain an enhanced additive.

2. The high temperature resistant glaze according to claim 1, characterized in that: The high temperature resistant glaze comprises the following raw materials in parts by weight: 32.5 parts of potassium feldspar, 17.5 parts of calcined talc, 10 parts of nano zinc oxide, 12.5 parts of reinforcing additives, and 6.5 parts of petalite.

3. The high temperature resistant glaze according to claim 1, characterized in that: The mass fraction of the dopamine hydrochloride solution is 5-8%.

4. The high temperature resistant glaze according to claim 1, characterized in that: The particle size of the α-nano alumina is 3-5 nm.

5. A ceramic material, using the high temperature resistant glaze according to claim 1, characterized in that: The ceramic material is made by the following steps: Step 1: 20-30 parts of albite, 10-15 parts of illite, 5-8 parts of tourmaline, 4-7 parts of silicon carbide and 8-12 parts of a stabilizer doped with nano-boron oxide are mixed and wet-milled by weight, and the mixture is fully ball-milled and then pressed in a mold at a molding pressure of 20 MPa for 1 hour to obtain a green body; Step 2: Wet-mill the potassium feldspar, calcined talc, nano zinc oxide, reinforcing additives and petalite raw materials in the high temperature resistant glaze to obtain the high temperature resistant glaze; apply the high temperature resistant glaze to the surface of the body, and the glazing amount is 600g / m 2 , glazing is completed and a glazed body is obtained; Step 3: sintering the glazed body at a sintering temperature of 1400-1450°C for 6 hours to obtain a ceramic material.

6. The ceramic material according to claim 5, characterized in that The preparation method of the stabilizer doped with nano boron oxide is as follows: S01: Blend calcium sulfate whiskers, sodium silicate solution and sodium dodecyl sulfate solution in a weight ratio of (5-7):3:(8-10) to obtain a calcium sulfate whisker solution; Then, 3 to 5 parts of titanium dioxide and 1 to 3 parts of nano magnesium oxide are added to 5 to 8 parts of calcium sulfate whisker solution by weight and stirred sufficiently to obtain a treatment solution based on whisker modification; S02: preheating the aluminum silicate fiber at 60-65°C for 1 hour, immersing the preheated aluminum silicate fiber in a whisker-modified treatment solution of 5-8 times the total weight of the aluminum silicate fiber for ultrasonic treatment, filtering and drying after the treatment, to obtain a whisker-treated aluminum silicate fiber body; S03: The whisker-treated aluminum silicate fiber and the stabilizer are mixed and ball-milled in a weight ratio of 5:2 at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a stabilizer doped with nano-boron oxide.

7. The ceramic material according to claim 6, characterized in that The mass fraction of the sodium silicate solution is 5-8%; the mass fraction of the sodium dodecyl sulfate solution is 2-5%.

8. The ceramic material according to claim 6, characterized in that The ultrasonic treatment is performed at an ultrasonic power of 350-400 W for 20-30 min.

9. The ceramic material according to claim 6, characterized in that The stabilizer comprises the following raw materials in parts by weight: 3~5 parts of nano boron oxide, 2~3 parts of barium carbonate, 1~3 parts of β-cyclodextrin, 1~2 parts of wollastonite and 5~8 parts of 8% by mass sodium lignin sulfonate solution.

10. Use of the ceramic material according to any one of claims 5 to 9 in tea sets.

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