CN116768474A - Mildew-proof antibacterial ceramic and preparation method thereof - Google Patents
Mildew-proof antibacterial ceramic and preparation method thereof Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 59
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010453 quartz Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000015895 biscuits Nutrition 0.000 claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052586 apatite Inorganic materials 0.000 claims abstract description 11
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims abstract description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052689 Holmium Inorganic materials 0.000 claims abstract description 10
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 10
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 10
- 239000011787 zinc oxide Substances 0.000 claims abstract description 10
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 9
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 9
- 239000010436 fluorite Substances 0.000 claims abstract description 9
- 239000000454 talc Substances 0.000 claims abstract description 8
- 235000012222 talc Nutrition 0.000 claims abstract description 8
- 229910052623 talc Inorganic materials 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims abstract description 6
- 239000010433 feldspar Substances 0.000 claims abstract description 6
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000010304 firing Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 230000000845 anti-microbial effect Effects 0.000 claims 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 11
- 241000700605 Viruses Species 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000228197 Aspergillus flavus Species 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The invention provides a mildew-proof antibacterial ceramic and a preparation method thereof. The glaze of the mildew-proof antibacterial ceramic comprises potassium feldspar, quartz, caustic soda, zinc oxide, titanium oxide, calcined talcum, fluorite, apatite, lanthanum and holmium in a specific proportion, the blank of the mildew-proof antibacterial ceramic comprises kaolin, feldspar, quartz and clay in a specific proportion, and the preparation process of the mildew-proof antibacterial ceramic comprises the steps of preparing the biscuit, glazing and sintering, so that the mildew-proof antibacterial ceramic with excellent mildew-proof antibacterial effect can be prepared and obtained as a whole.
Description
Technical Field
The invention relates to the technical field of functional ceramic preparation, in particular to a mildew-proof antibacterial ceramic and a preparation method thereof.
Background
Ceramics are a collective term for pottery and porcelain. The traditional ceramic is also called common ceramic, which is prepared from clay (Al 2 O 3 ·2SiO 2 ·H 2 O), quartz (SiO) 2 ) And feldspar (K) 2 O·Al 2 O 3 ·6SiO 2 The product is sintered by the main raw materials. Modern ceramics are also called novel ceramics, fine ceramics or special ceramics, and are commonly manufactured by non-silicate chemical raw materials or artificial synthetic raw materials, such as oxides (alumina, zirconia, titania and the like) and non-oxides (silicon nitride, boron carbide and the like).
However, the conventional ceramics have poor antibacterial and mildew-proof properties, and improvement is needed.
Disclosure of Invention
Based on the above, it is necessary to provide a mildew-proof antibacterial ceramic and a preparation method thereof, which not only can collect viruses under the dark condition and kill viruses under the light condition (sunlight and lamplight) to achieve the antibacterial and mildew-proof effects, but also can simplify the preparation process of the ceramic.
The invention adopts the following technical scheme:
the invention provides mildew-proof antibacterial ceramic, which comprises the following raw materials in percentage by weight: 25-35% of potassium feldspar, 35-45% of quartz, 5-10% of caustic soda, 3-5% of zinc oxide, 3-5% of titanium oxide, 3-5% of calcined talcum, 3-5% of fluorite, 3-5% of apatite, 0.5-1% of lanthanum and 0.5-1% of holmium.
In some of these embodiments, the fine frit is 0.3 to 0.5% fine frit with a balance of ten thousand mesh.
In some embodiments, the biscuit material of the biscuit of the mildew resistant antibacterial ceramic comprises the following raw materials in percentage by weight: 25-35% of kaolin, 20-30% of feldspar, 25-35% of quartz and 10-15% of ceramic clay.
The invention also provides a preparation method of the mildew-proof antibacterial ceramic, which comprises the following steps: obtaining a biscuit; covering the plain embryo with glaze; firing and cooling to obtain the final product.
In some of these embodiments, the process for preparing the glaze comprises: obtaining glaze materials mixed by the raw materials; according to the weight ratio of 1 (1.5-2): 0.6, putting the glaze, the grinding balls and the water into a ball mill for grinding to obtain the mixture with the specific gravity of 1.55-1.65 g/cm 3 Fine glaze of (2).
In some of these embodiments, the process for preparing the greenware is: obtaining a raw material mixed with each raw material; according to the weight ratio of 1 (1.5-2): 0.7, grinding the blank, the grinding ball and the water in a ball mill to obtain the mixture with the specific gravity of 1.5 to 1.6g/cm 3 Is a slurry of (a) and (b); dehydrating the slurry to obtain mud cakes with the water content of 20-30%, homogenizing the water content, and pugging to obtain mud materials with the water content of 20-25%; and (5) drawing the pug into a blank, forming, drying and firing to obtain the finished product.
In some of these embodiments, the firing process parameters are: the sintering temperature is 1240-1260 ℃ and the sintering time is 8-10 h.
In some of these embodiments, the process steps of the glaze covering blank are: glaze is hung on the biscuit by adopting a glaze spraying, glaze spraying or glaze dipping method, and the thickness of the glaze layer is controlled to be 1-1.5 mm.
In some of these embodiments, the cooling is natural cooling.
Compared with the prior art, the invention has the core advantages that:
according to the invention, glaze composed of potassium feldspar, quartz, caustic soda (NaOH), zinc oxide, titanium oxide, calcined talcum, fluorite, apatite, lanthanum and holmium in a specific proportion is obtained through screening, and a biscuit composed of kaolin, feldspar, quartz and ceramic clay in a specific proportion is prepared, and the mildew-proof antibacterial ceramic with excellent mildew-proof antibacterial effect can be prepared as a whole through the biscuit glazing and one-time sintering processes. The technical scheme of the invention not only can realize virus collection under the condition of no light and virus killing under the condition of waiting for light (sunlight and lamplight) to achieve the effects of resisting bacteria and preventing mildew, but also can simplify the preparation process of the ceramic and can also ensure the strength and other advantages of the ceramic.
Detailed Description
The technical concept of the invention is to provide the mildew-resistant antibacterial ceramic and the preparation method thereof, which not only can realize virus collection under the condition of no light, and killing bacteria, viruses, mold and the like under the condition of waiting for light (sunlight and lamplight), achieve the short-time high-efficiency (the sterilization rate of 24 hours is 82-95%), long-term effective antibacterial mildew-resistant and deodorizing effects, but also can simplify the preparation process of the ceramic, and ensure the performance advantages of the ceramic.
The present invention will be described in further detail with reference to specific examples so as to more clearly understand the present invention by those skilled in the art. The following examples are given for illustration of the invention only and are not intended to limit the scope of the invention. All other embodiments obtained by those skilled in the art without creative efforts are within the protection scope of the present invention based on the specific embodiments of the present invention. In the examples of the present invention, all raw material components are commercially available products well known to those skilled in the art unless specified otherwise; in the embodiments of the present invention, unless specifically indicated, all technical means used are conventional means well known to those skilled in the art.
Wherein, the source description of some key materials:
apatite was purchased from Henan Water clean Material Co.
Example 1
The embodiment provides a preparation method of mildew-proof antibacterial ceramic, which comprises the following steps:
(1) Glaze processing:
grinding fine glaze: accurately weighing the raw materials according to a glaze formula (30 wt% of potassium feldspar, 40wt% of quartz, 8.6wt% of caustic soda, 4wt% of zinc oxide, 4wt% of titanium oxide, 4wt% of calcined talcum, 4wt% of fluorite, 4wt% of apatite, 0.7wt% of lanthanum and 0.7wt% of holmium), mixing, placing the glaze, grinding balls and water into a wet ball mill according to a weight ratio of 1:1.8:0.6 for grinding, wherein the grinding time is 24 hours, the grinding fineness is 0.3-0.5% (balance of a ten-thousand-hole sieve), and the specific gravity is 1.55-1.65 g/cm 3 Fine glaze of (2).
(2) Glazing:
fine glaze is hung on the biscuit by a glaze dipping method, the glaze thickness is about 1-1.5 mm, and the biscuit is dried for standby.
The blank in the step is prepared into a self-prefabricated blank, and the preparation process comprises the following steps: weighing the raw materials according to the proportion of 30% of kaolin, 25% of feldspar, 30% of quartz and 15% of ceramic clay in the biscuit, and mixing according to the weight ratio of 1:2:0.7, placing the biscuit mixture, grinding balls and water into a ball mill for grinding for 20 hours, obtaining slurry with the fineness of 3-5% (ten thousand Kong Shaiyu) and the specific gravity of 1.5-1.6 g/cm < 3 >, dehydrating the slurry to obtain a mud cake with the water content of about 25%, placing the mud cake into a mud warehouse for homogenizing for one month to make the water content uniform, and pugging: repeating vacuum pugging for 2-3 times in a vacuum pugging machine to ensure that the structure is compact, no air holes exist, the water content is uniform, and the plasticity is improved, so as to obtain pug with the water content of 22%; pulling mud blank for forming, drying (drying at 60-80 ℃ and naturally drying), finishing blank, finishing rough part of the surface of blank with knife or sand paper, brushing water with brush to smooth the surface of blank, drying the finished blank in 80-100 ℃ oven or naturally drying to water below 1%, transferring to electric kiln, and biscuit firing to shaping at 750-800 ℃.
(3) Firing:
in a kiln, heating to 1250+/-10 ℃ at a heating rate of 20 ℃/min, sintering for 8-10 hours, preserving heat and naturally cooling to obtain the product.
Example 2
The present example provides a method for preparing a mildew-proof antibacterial ceramic, which has the same preparation process route as that of example 1, except that the glaze comprises the following components:
35wt% of potassium feldspar, 38wt% of quartz, 10wt% of caustic soda, 3wt% of zinc oxide, 3wt% of titanium oxide, 3wt% of calcined talcum, 3wt% of fluorite, 3wt% of apatite, 1wt% of lanthanum and 1wt% of holmium.
Example 3
The present example provides a method for preparing a mildew-proof antibacterial ceramic, which has the same preparation process route as that of example 1, except that the glaze comprises the following components:
25wt% of potassium feldspar, 44wt% of quartz, 5wt% of caustic soda, 5wt% of zinc oxide, 5wt% of titanium oxide, 5wt% of calcined talcum, 5wt% of fluorite, 5wt% of apatite, 0.5wt% of lanthanum and 0.5wt% of holmium.
Example 4
The present example provides a method for preparing a mildew-proof antibacterial ceramic, which has the same preparation process route as that of example 1, except that the glaze comprises the following components:
30wt% of potassium feldspar, 36wt% of quartz, 8.6wt% of caustic soda, 4wt% of zinc oxide, 4wt% of titanium oxide, 4wt% of calcined talcum, 4wt% of fluorite, 4wt% of barium sulfate, 4wt% of apatite, 0.7wt% of lanthanum and 0.7wt% of holmium.
Comparative example 1
The present example provides a method for preparing a mildew-proof antibacterial ceramic, which has the same preparation process route as that of example 1, except that the glaze consists of: equal amounts of zinc oxide were used instead of apatite and titanium oxide.
Comparative example 2
The present example provides a method for preparing a mildew-proof antibacterial ceramic, which has the same preparation process route as that of example 1, except that the glaze consists of: equal amounts of titanium oxide were used instead of lanthanum and holmium.
Comparative example 3
The present embodiment provides a preparation method of a mildew-proof antibacterial ceramic, which has the same preparation process route as that of embodiment 1, and differs only in that: the embryo is directly prepared from conventional commercial embryo.
Comparative example 4
The embodiment provides a preparation method of mildew-proof antibacterial ceramic, which has the same raw material composition and preparation process route as those of embodiment 1, and is different only in that: the firing temperature was adjusted to 1000 ℃.
The mildew-proof antibacterial ceramics prepared in examples 1 and 4 and comparative examples 1 to 4 are subjected to an antibacterial mildew-proof experiment, and the test method comprises the following steps:
uniformly coating the escherichia coli, pseudomonas aeruginosa, staphylococcus aureus and aspergillus flavus solution on the surface of the ceramic for 12 hours in a dark space, respectively transferring the ceramic into sunlight conditions and light conditions for irradiation for 12 hours, testing 6 samples in each sample selection area, and counting the numerical intervals of the sterilization rate, wherein the results are shown in the following table:
TABLE 1 statistical Table of E.coli experimental results
TABLE 2 statistical Table of the results of Pseudomonas aeruginosa experiments
TABLE 3 statistical table of test results for Staphylococcus aureus
Table 4 statistics of experimental results of aspergillus flavus
The mildew-proof antibacterial ceramics prepared in examples 1 and 4 and comparative examples 1 to 4 were subjected to chemical stability tests, respectively, to find that:
1) Acid resistance experiment: the finished product is soaked in acetic acid solution with the mass percentage concentration of 4% for 48 hours at the temperature of 25+/-2 ℃ and no erosion trace is found.
2) Alkali resistance experiment: the finished product is soaked in sodium carbonate solution with the mass percentage concentration of 1% for 48 hours at 50+/-2 ℃ and no erosion trace is found.
The mechanical properties of the mildew-proof antibacterial ceramics prepared in examples 1 and 4 and comparative examples 1 to 4 were tested, respectively, and the impact resistance was tested according to the standard GB/T4742-1984; compressive strength test, test according to standard GB/T4740-1999. The results are shown in the following table:
table 5 mechanical property test results statistics table
| Test examples | Breakdown strength (KV/mm) | Compressive strength (Mpa) |
| Example 1 | 15.2 | 50.5 |
| Example 4 | 16.0 | 52.8 |
| Comparative example 1 | 15.5 | 51.3 |
| Comparative example 2 | 14.8 | 48.6 |
| Comparative example 3 | 9.8 | 39.9 |
| Comparative example 4 | 10.2 | 40.3 |
From the above results, it can be seen that: the mildew-proof antibacterial ceramic prepared by the invention has good sterilization effect on escherichia coli, pseudomonas aeruginosa, staphylococcus aureus and aspergillus flavus, and the sterilization rate is more than 80% under the illumination condition; in addition, the breakdown strength of the mildew-proof antibacterial ceramic prepared by the invention is more than 15KV/mm, the compressive strength is more than 50Mpa, and the overall mechanical strength is high.
It should be noted that the above examples are only for further illustrating and describing the technical solution of the present invention, and are not intended to limit the technical solution of the present invention, and the method of the present invention is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The mildew-proof antibacterial ceramic is characterized in that the glaze of the mildew-proof antibacterial ceramic comprises the following raw materials in percentage by weight:
25-35% of potassium feldspar, 35-45% of quartz, 5-10% of caustic soda, 3-5% of zinc oxide, 3-5% of titanium oxide, 3-5% of calcined talcum, 3-5% of fluorite, 3-5% of apatite, 0.5-1% of lanthanum and 0.5-1% of holmium.
2. The mildew-proof and antibacterial ceramic according to claim 1, wherein the glaze of the mildew-proof and antibacterial ceramic comprises the following raw materials in percentage by weight: 30% of potassium feldspar, 40% of quartz, 8.6% of caustic soda, 4% of zinc oxide, 4% of titanium oxide, 4% of talcum powder, 4% of fluorite, 4% of apatite, 0.7% of lanthanum and 0.7% of holmium.
3. The mildew-resistant and antibacterial ceramic according to claim 1, wherein the preparation process of the glaze comprises:
obtaining glaze materials mixed by the raw materials;
according to the weight ratio of 1 (1.5-2): 0.6, putting the glaze, the grinding balls and the water into a ball mill for grinding to obtain the mixture with the specific gravity of 1.55-1.65 g/cm 3 Fine glaze of (2).
4. A mildew resistant antimicrobial ceramic according to claim 3, wherein the fine glaze is 0.3 to 0.5% fine glaze with a ten thousand mesh balance.
5. The mildew resistant antimicrobial ceramic according to any one of claims 1 to 4, further comprising a green body, wherein the green body comprises the following raw materials in weight percent: 25-35% of kaolin, 20-30% of feldspar, 25-35% of quartz and 10-15% of ceramic clay.
6. The mildew resistant antimicrobial ceramic according to claim 5, wherein the manufacturing process of the green body comprises:
obtaining a raw material mixed with each raw material;
according to the weight ratio of 1 (1.5-2): 0.7, grinding the blank, the grinding ball and the water in a ball mill to obtain the mixture with the specific gravity of 1.5 to 1.6g/cm 3 Is a slurry of (a) and (b);
dehydrating the slurry to obtain mud cakes with the water content of 20-30%, homogenizing the water content, and pugging to obtain mud materials with the water content of 20-25%;
and (5) drawing the pug into a blank, forming, drying and firing to obtain the finished product.
7. A method for producing the mildew-proof antibacterial ceramic according to any one of claims 1 to 6, comprising the steps of:
obtaining a biscuit;
covering the plain embryo with glaze;
firing and cooling to obtain the final product.
8. The method for preparing mildew-proof and antibacterial ceramic according to claim 7, wherein the firing process parameters are as follows: the sintering temperature is 1240-1260 ℃ and the sintering time is 8-10 h.
9. The method for preparing mildew-proof and antibacterial ceramic according to claim 7, wherein the process steps of the glaze covering blank are as follows: glaze is hung on the biscuit by adopting a glaze spraying, glaze spraying or glaze dipping method, and the thickness of the glaze layer is controlled to be 1-1.5 mm.
10. The method for producing a mildew-proof antibacterial ceramic according to claim 7, wherein the cooling is natural cooling.
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| KR101289759B1 (en) * | 2012-09-26 | 2013-07-26 | 이장수 | Crystalline glazes containing iron and ceramic manufactured using the composition |
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| CN105294070A (en) * | 2015-11-03 | 2016-02-03 | 昆明理工大学 | Method for preparing antibacterial ceramic |
| CN107311619A (en) * | 2017-07-06 | 2017-11-03 | 董孟富 | The production method of novel antibacterial ceramics |
| WO2022205989A1 (en) * | 2021-04-01 | 2022-10-06 | 蒙娜丽莎集团股份有限公司 | Antibacterial ceramic tile and preparation method therefor |
| CN115536271A (en) * | 2021-11-29 | 2022-12-30 | 四川美术学院 | Copper red glaze ceramic and preparation method thereof |
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