A wear-resistant composite ceramic glaze and preparation method thereof

Abstract

The invention relates to a wear-resistant composite ceramic glaze and a preparation method thereof. The wear-resistant composite ceramic glaze comprises the following components in parts by weight: 20-30 parts of kaolin, 20-30 parts of potassium feldspar, 8-10 parts of modified cross-linking solution, 8-14 parts of binder, 15-20 parts of aluminum hydroxide, 4-6 parts of cerium oxide, 5-8 parts of magnesium aluminum spinel and 100-120 parts of water. The wear-resistant composite ceramic glaze and the preparation method thereof of the invention have excellent mechanical strength and high wear resistance.

Description

Technical Field

[0001] The invention relates to the technical field of ceramics, and in particular to a wear-resistant composite ceramic glaze and a preparation method thereof. Background Art

[0002] Ceramic products have the strength of metal, rich decorative effects, good wear resistance, and chemical stability. They are widely used in people's daily lives and are deeply loved by people. With the development of the economy and the improvement of people's living standards, people's performance requirements for daily-use ceramics are constantly increasing. They not only require beautiful products, but also require strength, glossiness, and wear resistance. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a wear-resistant composite ceramic glaze and a preparation method thereof, wherein the prepared glaze has excellent mechanical strength and high wear resistance.

[0004] In order to achieve the above object, the present invention provides the following technical solutions: A wear-resistant composite ceramic glaze comprises the following components in parts by weight: 20-30 parts of kaolin, 20-30 parts of potassium feldspar, 8-10 parts of modified cross-linking solution, 8-14 parts of binder, 15-20 parts of aluminum hydroxide, 4-6 parts of cerium oxide, 5-8 parts of magnesium aluminum spinel and 100-120 parts of water.

[0005] A method for preparing a wear-resistant composite ceramic glaze comprises the following steps: Kaolin, potassium feldspar, modified cross-linking solution, binder, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

[0006] Preferably, the method for preparing the modified cross-linking solution comprises: S11: preparing a modified suspension; S12: Mix polyamide, polydimethylsiloxane diglycidyl ether, acetone and N,N-dimethylformamide, stir for 24-36 hours, and then add the modified suspension obtained in step S12 to obtain a modified cross-linking solution.

[0007] Preferably, the preparation method of the modified suspension is specifically as follows: mixing silicon dioxide, polyvinyl alcohol and water, stirring at 20-30°C for 30-40 minutes to obtain a suspension; mixing the suspension, glutaraldehyde and a 25% by volume hydrochloric acid solution, stirring for 30-40 minutes to obtain a modified suspension.

[0008] Preferably, the weight ratio of the polyamide, polydimethylsiloxane diglycidyl ether, acetone, N,N-dimethylformamide and modified suspension is 1:1:8:2:3.

[0009] Preferably, the weight ratio of the silicon dioxide, polyvinyl alcohol and water is 5:1:6, and the weight ratio of the suspension, glutaraldehyde and hydrochloric acid solution is 1:2:8.

[0010] Preferably, the preparation method of the binder comprises: mixing acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide, and reacting at 70-80° C. for 3-4 hours to obtain an intermediate; The intermediate, ethylene glycol diacrylate and copper oxide are mixed, reacted at 70-80° C. for 1-2 hours, distilled under reduced pressure, and dried to obtain a binder.

[0011] Preferably, the weight ratio of acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide is 5:50:100:10:1:500, and the weight ratio of the intermediate, ethylene glycol diacrylate and copper oxide is 100:4:1.

[0012] The present invention uses aldehyde ketone modification treatment to make the cross-linked particles have ketone groups, and then condenses with the polymer with amine groups to form a cross-linked composite molecular network structure, thereby increasing the cross-linked specific surface area and increasing the cross-linked liquid phase interface area. In the process of mixing with other components, the branched polymer formed by the polymerization reaction is further filled and cross-linked to form a dense network structure, which constrains the material components, inhibits the expansion, loosening and shedding of the material, and improves the mechanical properties of the glaze. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. In addition, it is specifically stated that the raw materials and equipment of the present invention can be obtained from commercial sources and are no longer listed one by one. Example 1

[0014] A wear-resistant composite ceramic glaze comprises the following components in parts by weight: 20 parts of kaolin, 20 parts of potassium feldspar, 8 parts of modified cross-linking solution, 8 parts of binder, 15 parts of aluminum hydroxide, 4 parts of cerium oxide, 5 parts of magnesium aluminum spinel and 100 parts of water.

[0015] A method for preparing a wear-resistant composite ceramic glaze comprises the following steps: The above-mentioned weight portions of kaolin, potassium feldspar, modified cross-linking solution, binder, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

[0016] Wherein, the preparation method of the modified cross-linking solution comprises: S11: preparing a modified suspension: mixing silicon dioxide, polyvinyl alcohol and water in a weight ratio of 5:1:6, stirring at 20° C. for 30 minutes to obtain a suspension; mixing the suspension, glutaraldehyde and a 25% by volume hydrochloric acid solution in a weight ratio of 1:2:8, stirring for 30 minutes to obtain a modified suspension; S12: Mix polyamide, polydimethylsiloxane diglycidyl ether, acetone and N,N-dimethylformamide, stir for 24 hours, and then add the modified suspension obtained in step S12 to obtain a modified cross-linking solution, wherein the weight ratio of polyamide, polydimethylsiloxane diglycidyl ether, acetone, N,N-dimethylformamide and the modified suspension is 1:1:8:2:3.

[0017] The preparation method of the adhesive comprises: mixing acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide in a weight ratio of 5:50:100:10:1:500, reacting at 70°C for 3 hours to obtain an intermediate; mixing the intermediate, ethylene glycol diacrylate and copper oxide in a weight ratio of 100:4:1, reacting at 70°C for 1 hour, distilling under reduced pressure, and drying to obtain the adhesive. Example 2

[0018] A wear-resistant composite ceramic glaze comprises the following components in parts by weight: 30 parts of kaolin, 30 parts of potassium feldspar, 10 parts of modified cross-linking solution, 14 parts of binder, 20 parts of aluminum hydroxide, 6 parts of cerium oxide, 8 parts of magnesium aluminum spinel and 120 parts of water.

[0019] A method for preparing a wear-resistant composite ceramic glaze comprises the following steps: The above-mentioned weight portions of kaolin, potassium feldspar, modified cross-linking solution, binder, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

[0020] Wherein, the preparation method of the modified cross-linking solution comprises: S11: preparing a modified suspension: mixing silicon dioxide, polyvinyl alcohol and water in a weight ratio of 5:1:6, stirring at 30° C. for 40 minutes to obtain a suspension; mixing the suspension, glutaraldehyde and a 25% by volume hydrochloric acid solution in a weight ratio of 1:2:8, stirring for 40 minutes to obtain a modified suspension; S12: Mix polyamide, polydimethylsiloxane diglycidyl ether, acetone and N,N-dimethylformamide, stir for 36 hours, and then add the modified suspension obtained in step S12 to obtain a modified cross-linking solution, wherein the weight ratio of polyamide, polydimethylsiloxane diglycidyl ether, acetone, N,N-dimethylformamide and the modified suspension is 1:1:8:2:3.

[0021] The preparation method of the adhesive comprises: mixing acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide in a weight ratio of 5:50:100:10:1:500, reacting at 80°C for 4 hours to obtain an intermediate; mixing the intermediate, ethylene glycol diacrylate and copper oxide in a weight ratio of 100:4:1, reacting at 80°C for 2 hours, distilling under reduced pressure, and drying to obtain the adhesive. Example 3

[0022] A wear-resistant composite ceramic glaze comprises the following components in parts by weight: 25 parts of kaolin, 25 parts of potassium feldspar, 9 parts of modified cross-linking solution, 12 parts of binder, 18 parts of aluminum hydroxide, 5 parts of cerium oxide, 6 parts of magnesium aluminum spinel and 110 parts of water.

[0023] A method for preparing a wear-resistant composite ceramic glaze comprises the following steps: The above-mentioned weight portions of kaolin, potassium feldspar, modified cross-linking solution, binder, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

[0024] Wherein, the preparation method of the modified cross-linking solution comprises: S11: preparing a modified suspension: mixing silicon dioxide, polyvinyl alcohol and water in a weight ratio of 5:1:6, stirring at 25° C. for 35 minutes to obtain a suspension; mixing the suspension, glutaraldehyde and a 25% by volume hydrochloric acid solution in a weight ratio of 1:2:8, stirring for 35 minutes to obtain a modified suspension; S12: Mix polyamide, polydimethylsiloxane diglycidyl ether, acetone and N,N-dimethylformamide, stir for 30 hours, and then add the modified suspension obtained in step S12 to obtain a modified cross-linking solution, wherein the weight ratio of polyamide, polydimethylsiloxane diglycidyl ether, acetone, N,N-dimethylformamide and the modified suspension is 1:1:8:2:3.

[0025] The preparation method of the adhesive comprises: mixing acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide in a weight ratio of 5:50:100:10:1:500, reacting at 75°C for 3.5 hours to obtain an intermediate; mixing the intermediate, ethylene glycol diacrylate and copper oxide in a weight ratio of 100:4:1, reacting at 75°C for 1.5 hours, distilling under reduced pressure, and drying to obtain the adhesive. Comparative Example 1

[0026] The components of Comparative Example 1 are substantially the same as those of Example 1, except that the silicon dioxide crosslinking agent and sodium hydroxymethyl cellulose are directly used, specifically: A wear-resistant composite ceramic glaze comprises the following components in parts by weight: 20 parts of kaolin, 20 parts of potassium feldspar, 8 parts of silicon dioxide, 8 parts of sodium hydroxymethyl cellulose, 15 parts of aluminum hydroxide, 4 parts of cerium oxide, 5 parts of magnesium aluminum spinel and 100 parts of water.

[0027] A method for preparing a wear-resistant composite ceramic glaze comprises the following steps: The above-mentioned kaolin, potassium feldspar, silicon dioxide, sodium hydroxymethyl cellulose, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

[0028] The glazes obtained in Examples 1-3 of the present invention and Comparative Example 1 were subjected to the process steps of forming, drying, bisque firing, glazing, kiln loading and firing to obtain ceramic blanks, and the performance tests were performed. The test results are shown in Table 1. Among them, the commercially available ordinary ceramics were purchased from Shenzhen Suhui Ceramics Co., Ltd.

[0029] Wear resistance test: Tested in accordance with GB / T3810.6-2016.

[0030] Mechanical strength test: Tested in accordance with GB / T 4740-1999.

[0031] The compressive strength is tested in accordance with GB / T 4740-1999.

[0032] Table 1 Test data of Examples 1-3 and Comparative Example 1, commercially available ceramics

[0033] It can be seen from the above table that the ceramics obtained from the glazes of Examples 1-3 have good wear resistance, and also good compressive strength and fracture toughness.

[0034] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wear-resistant composite ceramic glaze, characterized in that: The invention comprises the following components in parts by weight: 20-30 parts of kaolin, 20-30 parts of potassium feldspar, 8-10 parts of modified cross-linking solution, 8-14 parts of binder, 15-20 parts of aluminum hydroxide, 4-6 parts of cerium oxide, 5-8 parts of magnesium aluminum spinel and 100-120 parts of water.

2. A method for preparing the wear-resistant composite ceramic glaze according to claim 1, characterized in that: The following steps are involved: Kaolin, potassium feldspar, modified cross-linking solution, binder, aluminum hydroxide, cerium oxide, magnesium aluminum spinel and water are stirred and mixed, and after being evenly mixed, ball-milled into glaze slurry to obtain wear-resistant composite ceramic glaze.

3. The method for preparing the wear-resistant composite ceramic glaze according to claim 2, characterized in that: The preparation method of the modified cross-linking solution comprises: S11: preparing a modified suspension; S12: Mix polyamide, polydimethylsiloxane diglycidyl ether, acetone and N,N-dimethylformamide, stir for 24-36 hours, and then add the modified suspension obtained in step S12 to obtain a modified cross-linking solution.

4. The method for preparing the wear-resistant composite ceramic glaze according to claim 3, characterized in that: The preparation method of the modified suspension is specifically as follows: silicon dioxide, polyvinyl alcohol and water are mixed, and stirred at 20-30° C. for 30-40 minutes to obtain a suspension; the suspension, glutaraldehyde and a hydrochloric acid solution with a volume fraction of 25% are mixed, and stirred for 30-40 minutes to obtain a modified suspension.

5. The method for preparing the wear-resistant composite ceramic glaze according to claim 3, characterized in that: The weight ratio of the polyamide, polydimethylsiloxane diglycidyl ether, acetone, N,N-dimethylformamide and modified suspension is 1:1:8:2:

3.

6. The wear-resistant composite ceramic glaze according to claim 4, characterized in that: The weight ratio of the silicon dioxide, polyvinyl alcohol and water is 5:1:6, and the weight ratio of the suspension, glutaraldehyde and hydrochloric acid solution is 1:2:

8.

7. The method for preparing the wear-resistant composite ceramic glaze according to claim 4, characterized in that: The preparation method of the binder comprises: mixing acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide, and reacting at 70-80° C. for 3-4 hours to obtain an intermediate; The intermediate, ethylene glycol diacrylate and copper oxide are mixed, reacted at 70-80° C. for 1-2 hours, distilled under reduced pressure, and dried to obtain a binder.

8. The method for preparing the wear-resistant composite ceramic glaze according to claim 7, characterized in that: The weight ratio of acrylic acid, methyl acrylate, acrylonitrile, octadecyl acrylate, azobisisobutyronitrile and dimethyl sulfoxide is 5:50:100:10:1:500, and the weight ratio of the intermediate, ethylene glycol diacrylate and copper oxide is 100:4:1.

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