Anti-fouling ceramic glaze, ceramic and preparation method of anti-fouling ceramic glaze
By applying a double-layer glaze with anti-fouling silver and copper-source loaded silica on the surface of the ceramic, the problem of poor anti-fouling properties of ceramic glaze is solved, and the antibacterial ability and gloss of the ceramic are improved.
Patent Information
- Application Number
- CN202510488153.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2025-07-25
AI Technical Summary
The existing ceramic glaze has poor stain resistance and low stain resistance. At the same time, the gloss performance of ceramic products also needs to be improved.
An anti-fouling agent composed of anti-fouling silver-source loaded silica and anti-fouling copper-source loaded silica is prepared by liquid phase in situ reaction and a double-layer glaze is applied to the surface of the ceramic body. Combined with a specific sintering temperature and time, an anti-fungal ceramic with high density is formed.
It achieves the efficient antibacterial effect of ceramics, reduces stain penetration, and improves the glossiness of ceramics and its long-term antibacterial and anti-fouling properties.
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Figure BDA0005364724820000101
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ceramics, and particularly relates to an anti-fouling ceramic glaze, a ceramic and a preparation method thereof. Background Art
[0002] Ceramics, namely the general term for pottery and porcelain. Any utensils made from these two different types of clay, namely kaolin and porcelain clay, through processes such as batching, shaping, drying, and roasting can be called ceramics.
[0003] Existing ceramic glazes for ceramics have problems of poor anti-fouling performance and low anti-fouling persistence, and at the same time, the gloss performance of ceramic products also needs to be improved. Summary of the Invention
[0004] The purpose of the present invention is to provide an anti-fouling ceramic glaze, a ceramic and a preparation method thereof. The technical problems solved by the present invention are: the problems of poor anti-fouling performance and low anti-fouling persistence of existing ceramic glazes for ceramics, and at the same time, the gloss performance of ceramic products also needs to be improved.
[0005] The purpose of the present invention can be achieved by the following technical solutions:
[0006] An anti-fouling ceramic glaze, comprising the following raw materials in parts by weight:
[0007] 6 - 7 parts of kaolin, 0 - 5 parts of potassium feldspar, 26 - 28 parts of albite, 0 - 2 parts of glass powder, 0 - 4 parts of waste porcelain powder, 12 - 15 parts of frit, 18 - 30 parts of quartz powder, 8 - 10 parts of calcite, 8 parts of talc, 6 - 7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, 1 - 3 parts of anti-fouling agent; the anti-fouling agent comprises anti-fouling silver-source loaded silica and anti-fouling copper-source loaded silica with equal parts by weight.
[0008] The preparation method of the anti-fouling agent comprises the following steps:
[0009] Prepare different anti-fouling ion-loaded silica materials;
[0010] Mix nano-porous silica with a soluble silver or copper source and carry out a liquid-phase in-situ reaction. After the reaction ends, solid-liquid separation is carried out to obtain a solid phase, and the solid phase is calcined to obtain silica-supported nano-zinc oxide, thus obtaining anti-fouling silver or copper-source loaded silica.
[0011] As a further scheme of the present invention: the temperature of the liquid-phase in-situ reaction is 50°C - 95°C, and the time of the liquid-phase in-situ reaction is 10 min - 90 min.
[0012] As a further scheme of the present invention: the mass ratio of nano-porous silica to the soluble silver source is 40:1 - 1:4.
[0013] As a further solution of the present invention: the pore size range of the nano-mesoporous silica with anti-fouling silver source loaded silica is 2-3 nm.
[0014] As a further solution of the present invention: the pore size range of the nano-mesoporous silica with anti-fouling copper source loaded silica is 4-8 nm.
[0015] An anti-fouling ceramic, comprising a green body and a glaze;
[0016] The green body comprises the following raw materials in parts by weight: 30-40 parts of quartz, 10-15 parts of potassium feldspar, 10-15 parts of calcined talc, 10-15 parts of pyrophyllite, 6-10 parts of a modifier adjusted by silicon carbide whiskers, and 2-4 parts of zinc oxide;
[0017] The glaze comprises the following raw materials in parts by weight:
[0018] 6-7 parts of kaolin, 0-5 parts of potassium feldspar, 26-28 parts of albite, 0-2 parts of glass powder, 0-4 parts of waste porcelain powder, 12-15 parts of frit, 18-30 parts of quartz powder, 8-10 parts of calcite, 8 parts of talc, 6-7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, and 1-3 parts of anti-fouling agent.
[0019] A preparation method of an anti-fouling ceramic, comprising the following steps:
[0020] First apply the ceramic glaze with anti-fouling copper source loaded silica on the surface of the ceramic green body, and then apply the ceramic glaze with anti-fouling silver source loaded silica to obtain a glazed body;
[0021] Finally, sinter the glazed body at a sintering temperature of 1250-1270 °C for 1 h to obtain the anti-fouling ceramic.
[0022] As a further solution of the present invention: the glaze application amount is 200-220 g / m 2 .
[0023] As a further solution of the present invention: the ceramic glaze with anti-fouling copper source loaded silica comprises 3-3.5 parts of kaolin, 0-2.5 parts of potassium feldspar, 13-14 parts of albite, 0-1 parts of glass powder, 0-2 parts of waste porcelain powder, 6-7.5 parts of frit, 9-15 parts of quartz powder, 4-5 parts of calcite, 4 parts of talc, 3-3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 0.5-1.5 parts of anti-fouling copper source loaded silica.
[0024] As a further solution of the present invention: The anti-fouling silver source loaded silica ceramic glaze comprises 3 - 3.5 parts of kaolin, 0 - 2.5 parts of potassium feldspar, 13 - 14 parts of albite, 0 - 1 part of glass powder, 0 - 2 parts of waste porcelain powder, 6 - 7.5 parts of frit, 9 - 15 parts of quartz powder, 4 - 5 parts of calcite, 4 parts of talc, 3 - 3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 0.5 - 1.5 parts of anti-fouling silver source loaded silica.
[0025] Advantages of the present invention:
[0026] (1) The anti-fouling agent composed of anti-fouling silver source loaded silica and anti-fouling copper source loaded silica in the present invention has good antibacterial ability through the synergistic effect of the three materials, so that the ceramic has good antibacterial effect. In addition, it increases the density and reduces the pores, so that stains are not easily infiltrated into the material interior; and the inorganic antibacterial ions can effectively improve the gloss of the ceramic material.
[0027] (2) By applying the ceramic glaze of anti-fouling copper source loaded silica on the surface of the ceramic body first and then applying the ceramic glaze of anti-fouling silver source loaded silica, the present invention can obtain double-layer glazes with different properties according to the physical and chemical properties and release performance of different inorganic antibacterial ions, so that the silver source and copper source cooperate with each other, and the long-term antibacterial and anti-fouling performance will be greatly improved. Specific embodiments
[0028] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work shall fall within the protection scope of the present invention.
[0029] Example 1
[0030] An anti-fouling ceramic glaze provided in Example 1 of the present invention comprises the following raw materials in parts by weight:
[0031] 6 parts of kaolin, 0 part of potassium feldspar, 26 parts of albite, 0 part of glass powder, 0 part of waste porcelain powder, 12 parts of frit, 18 parts of quartz powder, 8 parts of calcite, 8 parts of talc, 6 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, and 1 part of anti-fouling agent; the anti-fouling agent comprises anti-fouling silver source loaded silica and anti-fouling copper source loaded silica in equal parts by weight;
[0032] Specifically, the preparation method of the anti-fouling agent comprises the following steps:
[0033] Step 1, prepare mesoporous silica with different pore sizes, specifically:
[0034] Mix water, ethanol, diethanolamine and an aqueous solution of surfactant CTAC in proportion. After stirring evenly with a magnetic stirrer, add TMB, and then stir magnetically at 60 °C for 4 h. Subsequently, add TEOS and continue stirring and reacting for 3 h;
[0035] Add DMDMS to the reaction solution and continue reacting for 20 h. After the reaction is completed, centrifuge and wash with a mixed solution of ethanol and water, disperse in a mixed solution of hydrochloric acid and ethanol, stir and react at 60 °C for 20 - 24 h, continue to centrifuge and wash with a mixed solution of ethanol and water, and disperse in ultrapure water and freeze-dry to obtain nano-porous silica;
[0036] Among them, the molar ratio of water, ethanol, diethanolamine and the CTAC aqueous solution is 1.8:100:1:4; the molar ratio of TMB to CTAC is 4.5:1; the molar ratio of TEOS to diethanolamine is 15.5:1; the molar ratio of DMDMS to TEOS is 1.42:1;
[0037] Step 2, prepare different anti-fouling ion-loaded silica materials;
[0038] Mix nano-porous silica with a soluble silver source and carry out a liquid-phase in-situ reaction. After the reaction ends, perform solid-liquid separation to obtain a solid phase. After calcining the solid phase, obtain silica-supported nano-zinc oxide to obtain anti-fouling silver-source-loaded silica;
[0039] The temperature of the liquid-phase in-situ reaction is 50 °C, and the time of the liquid-phase in-situ reaction is 10 min; the mass ratio of nano-porous silica to the soluble silver source is 40:1; the soluble zinc source is silver chloride; the pore size range of nano-porous silica is 2 nm;
[0040] Mix nano-porous silica with a soluble copper source and carry out a liquid-phase in-situ reaction. After the reaction ends, perform solid-liquid separation to obtain a solid phase. After calcining the solid phase, obtain silica-supported nano-zinc oxide to obtain anti-fouling copper-source-loaded silica;
[0041] The temperature of the liquid-phase in-situ reaction is 50 °C, and the time of the liquid-phase in-situ reaction is 10 min; the mass ratio of nano-porous silica to the soluble copper source is 40:1; the soluble zinc source is copper chloride; the pore size range of nano-porous silica is 4 nm.
[0042] Example 2
[0043] An anti-fouling ceramic glaze provided by Example 2 of the present invention comprises the following raw materials in parts by weight:
[0044] 6.5 parts of kaolin, 2.5 parts of potassium feldspar, 27 parts of albite, 1 part of glass powder, 2 parts of waste porcelain powder, 13 parts of frit, 25 parts of quartz powder, 9 parts of calcite, 8 parts of talc, 6.5 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, 2 parts of anti-stain agent; the anti-stain agent includes anti-stain silver source-loaded silica and anti-stain copper source-loaded silica with equal parts by weight;
[0045] Specifically, the preparation method of the anti-stain agent includes the following steps:
[0046] Step 1, prepare mesoporous silica with different pore sizes, specifically:
[0047] Mix water, ethanol, diethanolamine and an aqueous solution of surfactant CTAC in proportion, stir magnetically until homogeneous, add TMB, then stir magnetically at 60 °C for 6 h, then add TEOS and continue stirring for reaction for 3 h;
[0048] Add DMDMS to the reaction solution and continue the reaction for 22 h. After the reaction is completed, centrifuge and wash with a mixed solution of ethanol and water, disperse in a mixed solution of hydrochloric acid and ethanol, stir and react at 60 °C for 22 h, continue to centrifuge and wash with a mixed solution of ethanol and water, and disperse in ultrapure water and freeze-dry to obtain nano-mesoporous silica;
[0049] Among them, the molar ratio of water, ethanol, diethanolamine and aqueous CTAC solution is 1.8:100:1:4; the molar ratio of TMB to CTAC is 10:1; the molar ratio of TEOS and diethanolamine is 15.5:1; the molar ratio of DMDMS to TEOS is 1.42:1;
[0050] Step 2, prepare different anti-stain ion-loaded silica materials;
[0051] Mix the nano-mesoporous silica with a soluble silver source and carry out a liquid-phase in-situ reaction. After the reaction is completed, separate the solid and liquid phases and obtain a solid phase. After calcining the solid phase, obtain silica-supported nano-zinc oxide to obtain anti-stain silver source-loaded silica;
[0052] The temperature of the liquid-phase in-situ reaction is 75 °C, and the time of the liquid-phase in-situ reaction is 50 min; the mass ratio of nano-mesoporous silica to the soluble silver source is 40:1; the soluble zinc source is silver chloride; the pore size range of the nano-mesoporous silica is 2.5 nm;
[0053] Mix the nano-mesoporous silica with a soluble copper source and carry out a liquid-phase in-situ reaction. After the reaction is completed, separate the solid and liquid phases and obtain a solid phase. After calcining the solid phase, obtain silica-supported nano-zinc oxide to obtain anti-stain copper source-loaded silica;
[0054] The temperature of the in-situ liquid-phase reaction is 75 °C, and the time of the in-situ liquid-phase reaction is 50 min; the mass ratio of nano-mesoporous silica to soluble copper source is 40:1; the soluble zinc source is copper chloride; the pore size range of nano-mesoporous silica is 6 nm.
[0055] Example 3
[0056] An anti-fouling ceramic glaze provided by Example 3 of the present invention comprises the following raw materials in parts by weight:
[0057] 7 parts of kaolin, 5 parts of potassium feldspar, 28 parts of albite, 2 parts of glass powder, 4 parts of waste porcelain powder, 15 parts of frit, 30 parts of quartz powder, 10 parts of calcite, 8 parts of talc, 7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, 3 parts of anti-fouling agent; the anti-fouling agent comprises anti-fouling silver source-loaded silica and anti-fouling copper source-loaded silica with equal parts by weight.
[0058] Specifically, the preparation method of the anti-fouling agent comprises the following steps:
[0059] Step 1, prepare mesoporous silica with different pore sizes, specifically:
[0060] Mix water, ethanol, diethanolamine and an aqueous solution of surfactant CTAC in proportion, stir magnetically until uniform, add TMB, then stir magnetically at 60 °C for 8 h, then add TEOS and continue stirring and reacting for 3 h;
[0061] Add DMDMS to the reaction solution, continue reacting for 24 h, after the reaction is completed, centrifuge and wash with a mixed solution of ethanol and water, disperse in a mixed solution of hydrochloric acid and ethanol, stir and react at 60 °C for 24 h, continue to centrifuge and wash with a mixed solution of ethanol and water, and disperse in ultrapure water and freeze-dry to obtain nano-mesoporous silica;
[0062] Among them, the molar ratio of water, ethanol, diethanolamine and CTAC aqueous solution is 1.8:100:1:4; the molar ratio of TMB to CTAC is 15:1; the molar ratio of TEOS and diethanolamine is 15.5:1; the molar ratio of DMDMS to TEOS is 1.42:1;
[0063] Step 2, prepare different anti-fouling ion-loaded silica materials;
[0064] Mix the nano-mesoporous silica with a soluble silver source and carry out an in-situ liquid-phase reaction. After the reaction is completed, separate the solid and liquid phases and obtain a solid phase. After calcining the solid phase, obtain silica-supported nano-zinc oxide to obtain anti-fouling silver source-loaded silica;
[0065] The temperature of the in-situ liquid-phase reaction is 95 °C, and the time of the in-situ liquid-phase reaction is 90 min; the mass ratio of nano-porous silica to soluble silver source is 1:4; the soluble zinc source is silver chloride; the pore size range of nano-porous silica is 3 nm;
[0066] Mix nano-porous silica with a soluble copper source and conduct an in-situ liquid-phase reaction. After the reaction is completed, solid-liquid separation is carried out to obtain a solid phase. After calcining the solid phase, nano-zinc oxide supported on silica is obtained, and anti-fouling copper source-supported silica is obtained;
[0067] The temperature of the in-situ liquid-phase reaction is 95 °C, and the time of the in-situ liquid-phase reaction is 90 min; the mass ratio of nano-porous silica to soluble copper source is 1:4; the soluble zinc source is copper chloride; the pore size range of nano-porous silica is 8 nm.
[0068] Example 4
[0069] An anti-fouling ceramic provided by Example 4 of the present invention includes a green body and a glaze;
[0070] The green body includes the following raw materials in parts by weight: 30 parts of quartz, 10 parts of potassium feldspar, 10 parts of calcined talc, 10 parts of pyrophyllite, 6 parts of a modifier adjusted by silicon carbide whiskers, and 2 parts of zinc oxide;
[0071] The glaze includes the following raw materials in parts by weight:
[0072] 6 parts of kaolin, 0 parts of potassium feldspar, 26 parts of albite, 0 parts of glass powder, 0 parts of waste porcelain powder, 12 parts of frit, 18 parts of quartz powder, 8 parts of calcite, 8 parts of talc, 6 parts of calcined zinc oxide, 0.2 parts of sodium carboxymethyl cellulose, and 1 part of anti-fouling agent; the anti-fouling agent includes anti-fouling silver source-supported silica and anti-fouling copper source-supported silica in equal parts by weight;
[0073] A preparation method of an anti-fouling ceramic includes the following steps:
[0074] Mix the raw materials of the green body in parts by weight, and then mix and ball-mill with water as the ball-milling medium for 2 h. The ball-milling speed is 1000 r / min. After the ball-milling is completed, dry, pass through a 100-mesh sieve, and then press into shape to obtain a ceramic green body;
[0075] First apply the ceramic glaze of anti-fouling copper source-supported silica on the surface of the ceramic green body, and then apply the ceramic glaze of anti-fouling silver source-supported silica. The glazing amount is 200 g / m 2 , to obtain a glazed body;
[0076] Finally, sinter the glazed body. The sintering temperature is 1250 °C, and sinter for 1 h to obtain the anti-fouling ceramic;
[0077] Among them, the ceramic glaze with anti-fouling copper source loaded on silica includes 3 parts of kaolin, 0 part of potassium feldspar, 13 parts of albite, 0 part of glass powder, 0 part of waste porcelain powder, 6 parts of frit, 9 parts of quartz powder, 4 parts of calcite, 4 parts of talc, 3 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 0.5 part of anti-fouling copper source loaded on silica;
[0078] The ceramic glaze with anti-fouling silver source loaded on silica includes 3 parts of kaolin, 0 part of potassium feldspar, 13 parts of albite, 0 part of glass powder, 0 part of waste porcelain powder, 6 parts of frit, 9 parts of quartz powder, 4 - 5 parts of calcite, 4 parts of talc, 3 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 0.5 - 1.5 parts of anti-fouling silver source loaded on silica.
[0079] Example Five
[0080] An anti-fouling ceramic provided by Example Four of the present invention includes a body and a glaze;
[0081] The body includes the following raw materials in parts by weight: 35 parts of quartz, 12 parts of potassium feldspar, 12 parts of calcined talc, 12 parts of pyrophyllite, 8 parts of modifier adjusted by silicon carbide whiskers, and 3 parts of zinc oxide;
[0082] The glaze includes the following raw materials in parts by weight:
[0083] 6.5 parts of kaolin, 2.5 parts of potassium feldspar, 27 parts of albite, 1 part of glass powder, 2 parts of waste porcelain powder, 13 parts of frit, 25 parts of quartz powder, 9 parts of calcite, 8 parts of talc, 6.5 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, and 2 parts of anti-fouling agent; the anti-fouling agent includes anti-fouling silver source loaded on silica and anti-fouling copper source loaded on silica with equal parts by weight;
[0084] A preparation method of an anti-fouling ceramic includes the following steps:
[0085] Mix the raw materials of the body in parts by weight, then mix and ball-mill with water as the ball-milling medium for 2 h, the ball-milling speed is 1000 r / min, after the ball-milling is completed, dry, pass through a 100-mesh sieve, and then press into shape to obtain a ceramic body;
[0086] First apply the ceramic glaze with anti-fouling copper source loaded on silica to the surface of the ceramic body, and then apply the ceramic glaze with anti-fouling silver source loaded on silica, the glazing amount is 210 g / m 2 , to obtain a glazed body;
[0087] Finally, sinter the glazed body, the sintering temperature is 1260 °C, sinter for 1 h, to obtain the anti-fouling ceramic;
[0088] Among them, the ceramic glaze with anti-fouling copper source loaded on silica includes 3.25 parts of kaolin, 1.25 parts of potassium feldspar, 13.5 parts of albite, 0.5 part of glass powder, 1 part of waste porcelain powder, 6.5 parts of frit, 12.5 parts of quartz powder, 4.5 parts of calcite, 4 parts of talc, 3.25 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 1 part of anti-fouling copper source loaded on silica;
[0089] The ceramic glaze with anti-fouling silver source loaded on silica includes 3.25 parts of kaolin, 1.25 parts of potassium feldspar, 13.5 parts of albite, 0.5 part of glass powder, 1 part of waste porcelain powder, 6.5 parts of frit, 12.5 parts of quartz powder, 4.5 parts of calcite, 4 parts of talc, 3.25 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 1 part of anti-fouling silver source loaded on silica.
[0090] Example Six
[0091] An anti-fouling ceramic provided by the fourth embodiment of the present invention includes a green body and a glaze;
[0092] The green body includes the following raw materials in parts by weight: 40 parts of quartz, 15 parts of potassium feldspar, 15 parts of calcined talc, 15 parts of pyrophyllite, 10 parts of a modifier adjusted by silicon carbide whiskers, and 4 parts of zinc oxide;
[0093] The glaze includes the following raw materials in parts by weight:
[0094] 7 parts of kaolin, 5 parts of potassium feldspar, 28 parts of albite, 2 parts of glass powder, 4 parts of waste porcelain powder, 15 parts of frit, 30 parts of quartz powder, 10 parts of calcite, 8 parts of talc, 7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, and 3 parts of anti-fouling agent;
[0095] A preparation method of an anti-fouling ceramic includes the following steps:
[0096] Mix the raw materials of the green body in parts by weight, then mix and ball-mill with water as the ball-milling medium for 2 h, the ball-milling speed is 1000 r / min, after the ball-milling is completed, dry, pass through a 100-mesh sieve, and then press and form to obtain a ceramic green body;
[0097] First apply the ceramic glaze with anti-fouling copper source loaded on silica to the surface of the ceramic green body, and then apply the ceramic glaze with anti-fouling silver source loaded on silica, and the glazing amount is 220 g / m 2 , to obtain a glazed body;
[0098] Finally, sinter the glazed body, the sintering temperature is 1270 °C, sinter for 1 h, to obtain the anti-fouling ceramic;
[0099] Among them, the ceramic glaze with antifouling copper source loaded on silica includes 3.5 parts of kaolin, 2.5 parts of potassium feldspar, 14 parts of albite, 1 part of glass powder, 2 parts of waste porcelain powder, 7.5 parts of frit, 15 parts of quartz powder, 5 parts of calcite, 4 parts of talc, 3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 1.5 parts of antifouling copper source loaded on silica;
[0100] The ceramic glaze with antifouling silver source loaded on silica includes 3.5 parts of kaolin, 2.5 parts of potassium feldspar, 14 parts of albite, 1 part of glass powder, 2 parts of waste porcelain powder, 7.5 parts of frit, 15 parts of quartz powder, 5 parts of calcite, 4 parts of talc, 3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, and 1.5 parts of antifouling silver source loaded on silica.
[0101] Comparative Example 1
[0102] Different from Example 4, the antifouling agent was not added to the glaze;
[0103] Perform performance tests on antifouling, antibacterial persistence rate, and glossiness of Example 4, Example 5, Example 6 and Comparative Example 1. The test results are as follows:
[0104]
[0105] It can be seen from the above table that the ceramic prepared by adding the antifouling agent in the present invention not only has good antibacterial properties, but also has good long-lasting antibacterial ability, and also has good gloss effect.
[0106] One embodiment of the present invention has been described in detail above, but the above content is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. Any equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.
Claims
1. An anti-fouling ceramic glaze, characterized in that, Comprising the following raw materials in parts by weight: 6 - 7 parts of kaolin, 0 - 5 parts of potassium feldspar, 26 - 28 parts of albite, 0 - 2 parts of glass powder, 0 - 4 parts of waste porcelain powder, 12 - 15 parts of frit, 18 - 30 parts of quartz powder, 8 - 10 parts of calcite, 8 parts of talc, 6 - 7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, 1 - 3 parts of anti - fouling agent; The anti - fouling agent comprises anti - fouling silver - source - loaded silica and anti - fouling copper - source - loaded silica with equal parts by weight. The preparation method of the anti - fouling agent comprises the following steps: Preparing different anti - fouling ion - loaded silica materials; Mixing nano - mesoporous silica with soluble silver or copper source and conducting a liquid - phase in - situ reaction. After the reaction ends, solid - liquid separation is carried out to obtain a solid phase. After calcining the solid phase, silica - loaded nano - zinc oxide is obtained, and anti - fouling silver or copper - source - loaded silica is obtained.
2. The anti-fouling ceramic glaze according to claim 1, characterized in that, The temperature of the liquid - phase in - situ reaction is 50℃ - 95℃, and the time of the liquid - phase in - situ reaction is 10min - 90min.
3. The anti-fouling ceramic glaze according to claim 2, wherein The mass ratio of nano - mesoporous silica to soluble silver source is 40:1 - 1:
4.
4. An anti-fouling ceramic glaze according to claim 3, characterized in that, The pore size range of the nano - mesoporous silica of the anti - fouling silver - source - loaded silica is 2 - 3nm.
5. The anti-fouling ceramic glaze according to claim 4, characterized in that, The pore size range of the nano - mesoporous silica of the anti - fouling copper - source - loaded silica is 4 - 8nm.
6. An anti-fouling ceramic, characterized in that, Comprising a green body and a glaze; The green body comprises the following raw materials in parts by weight: 30 - 40 parts of quartz, 10 - 15 parts of potassium feldspar, 10 - 15 parts of calcined talc, 10 - 15 parts of pyrophyllite, 6 - 10 parts of a modifier adjusted by silicon carbide whiskers, 2 - 4 parts of zinc oxide; The glaze comprises the following raw materials in parts by weight: 6 - 7 parts of kaolin, 0 - 5 parts of potassium feldspar, 26 - 28 parts of albite, 0 - 2 parts of glass powder, 0 - 4 parts of waste porcelain powder, 12 - 15 parts of frit, 18 - 30 parts of quartz powder, 8 - 10 parts of calcite, 8 parts of talc, 6 - 7 parts of calcined zinc oxide, 0.2 part of sodium carboxymethyl cellulose, 1 - 3 parts of anti - fouling agent.
7. A preparation method of an anti-fouling ceramic, characterized in that, Comprising the following steps: First applying a ceramic glaze of anti - fouling copper - source - loaded silica on the surface of the ceramic green body, and then applying a ceramic glaze of anti - fouling silver - source - loaded silica to obtain a glazed body; Finally, sintering the glazed body, the sintering temperature is 1250 - 1270℃, and sintering for 1h to obtain an anti - fouling ceramic.
8. An anti-fouling ceramic glaze according to claim 7, characterized in that, The glaze application amount is 200 - 220 g / m 2 .
9. An anti-fouling ceramic glaze according to claim 8, characterized in that, The ceramic glaze of anti - fouling copper - source - loaded silica comprises 3 - 3.5 parts of kaolin, 0 - 2.5 parts of potassium feldspar, 13 - 14 parts of albite, 0 - 1 part of glass powder, 0 - 2 parts of waste porcelain powder, 6 - 7.5 parts of frit, 9 - 15 parts of quartz powder, 4 - 5 parts of calcite, 4 parts of talc, 3 - 3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, 0.5 - 1.5 parts of anti - fouling copper - source - loaded silica.
10. An anti-fouling ceramic glaze according to claim 9, characterized in that, The ceramic glaze of anti - fouling silver - source - loaded silica comprises 3 - 3.5 parts of kaolin, 0 - 2.5 parts of potassium feldspar, 13 - 14 parts of albite, 0 - 1 part of glass powder, 0 - 2 parts of waste porcelain powder, 6 - 7.5 parts of frit, 9 - 15 parts of quartz powder, 4 - 5 parts of calcite, 4 parts of talc, 3 - 3.5 parts of calcined zinc oxide, 0.1 part of sodium carboxymethyl cellulose, 0.5 - 1.5 parts of anti - fouling silver - source - loaded silica.