CN117285254A - Nano SiO 2 /TiO 2 Self-cleaning ceramic glaze and preparation method and application method thereof - Google Patents
Nano SiO 2 /TiO 2 Self-cleaning ceramic glaze and preparation method and application method thereof Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 42
- 229910010413 TiO 2 Inorganic materials 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 229910004298 SiO 2 Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title description 21
- 229910052796 boron Inorganic materials 0.000 claims abstract description 31
- 238000000498 ball milling Methods 0.000 claims abstract description 30
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000007873 sieving Methods 0.000 claims abstract description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000032683 aging Effects 0.000 claims abstract description 17
- 239000004927 clay Substances 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000005995 Aluminium silicate Substances 0.000 claims description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims description 12
- 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 description 12
- 238000003483 aging Methods 0.000 claims description 10
- 238000009736 wetting Methods 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 230000003373 anti-fouling effect Effects 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract 1
- 239000002519 antifouling agent Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical group [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 239000011538 cleaning material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention relates to a nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 13.2 to 16.7 weight percent of clay, 83.3 to 86.8 weight percent of boron split-phase frit and 2 to 5 weight percent of added alumina, the glaze is obtained by the procedures of proportioning, ball milling, sieving and aging according to the ceramic glaze formula, the glaze is applied on the surface of a green body, the green body is dried and then is placed in a kiln to be heated to 1190 to 1210 ℃ under the oxidizing atmosphere, the kiln temperature is quenched to 720 to 760 ℃ for 30 to 60 minutes, and the nano SiO is obtained after heat preservation for 30 to 60 minutes 2 /TiO 2 Self-cleaning ceramic glaze. The invention adopts a high-temperature in-situ one-step method to prepare SiO 2 /TiO 2 Super-hydrophilic self-cleaning ceramic glaze with better visible lightThe anti-fouling capability and the antibacterial effect, so that the anti-fouling agent has wider practical application prospect.
Description
Technical Field
The invention relates to the technical field of ceramics, in particular to a nano SiO 2 /TiO 2 Self-cleaning ceramic glaze and a preparation method and an application method thereof.
Background
Energy conservation and efficient utilization are an important direction of scientific research. In 2001, pilkington, inc. The glass surface contains a layer of TiO 2 Films, obtainable by TiO 2 The nanocrystalline performs photocatalysis degradation on stains, and then washes water for decontamination. The products all realize the water-saving self-cleaning effect to a certain extent. However, currently nano TiO 2 The self-cleaning glaze has nano particles which are easy to be corroded by the glaze, have poor dispersibility or have surface TiO 2 Or TiO 2 /SiO 2 The invention adopts a high-temperature in-situ one-step method to prepare SiO, which is easy to damage and lose self-cleaning effect 2 /TiO 2 The design strategy of the self-cleaning material ensures that the prepared glaze is smooth and smooth through formulation design and process regulation, the wetting angle of the glaze is smaller than 10 degrees, and the self-cleaning material has excellent self-cleaning performance. The coating of the super-hydrophilic self-cleaning glaze in the patent ZL202110859978.3 is complex in process and high in production cost. Preparation of the superhydrophilic self-cleaning glaze in patents ZL202010117271.0 and ZL202110709000.9 requires the introduction of metastable phase CaTi 2 O 5 Because fewer natural products exist and are needed to be synthesized manually, the cost is relatively high; application No. 202210568180.8 although SiO was prepared in situ using molten quartz at high temperature 2 /TiO 2 However, the glass can be prepared by adding fused quartz, and the process is complex.
Disclosure of Invention
The invention aims to provide the nano SiO which has simple process, low cost and convenient use 2 /TiO 2 Self-cleaning ceramic glaze and a preparation method and an application method thereof.
The technical scheme of the invention is as follows: nano SiO 2 /TiO 2 The self-cleaning ceramic glaze is characterized in that: the weight percentage of the ceramic glazeThe composition of the ratio is as follows: 13.2 to 16.7 weight percent of clay, 83.3 to 86.8 weight percent of boron split-phase frit, and 2 to 5 weight percent of aluminum oxide.
The clay is one of Malaysia kaolin, guizhou kaolin and Dagao kaolin.
The boron split-phase frit comprises the following chemical components: siO (SiO) 2 53.52wt%、Al 2 O 3 12.28wt、CaO 5.66wt%、MgO 0.40wt%、K 2 O 0.52wt%、Na 2 O 9.76wt%、TiO 2 6.83wt%、ZnO 0.13wt%、B 2 O 3 10.9 wt%。
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze is characterized by comprising the following steps of: and (3) preparing materials according to a ceramic glaze formula, ball milling, sieving and ageing to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water=1:1.8-2:0.8-1, adding into a ball milling tank, ball milling boron split-phase frit and alumina for 30-40 min, adding clay and ball milling for 10-20 min.
The sieving process is 250 mesh sieving, and the ageing process is 24-36 h.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln, heated to 1190-1210 ℃ in an oxidizing atmosphere, then quenched to 720-760 ℃ for 30-60 min, and kept for 30-60 min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 20-30 nm, the wetting angle is 4.5-7.0 degrees, the whiteness of the glaze is 80-84 percent, and the hardness of the glaze is 826-1100 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
The invention has the following beneficial effects:
(1) The invention prepares the nano SiO by a high-temperature in-situ one-step method 2 /TiO 2 The self-cleaning ceramic glaze overcomes the problems of complex preparation method, difficult dispersibility of directly introducing nano powder and the like in the prior art. The nanometer SiO 2 /TiO 2 Compared with common building sanitary ceramic in the market, the self-cleaning ceramic glaze is stronger in self-cleaning, easier to clean and sterilize, and has important significance for saving water and protecting environment.
(2) Compared with common SiO 2 /TiO 2 The preparation process of the super-hydrophilic self-cleaning ceramic glaze is simple, the composition of the formula such as Si/Al ratio is controlled, and the aluminum oxide octahedron occupies the position of the silicon oxygen tetrahedron group by introducing the network forming agent alumina, so that the silicon oxygen tetrahedron is prevented from rapidly migrating in the liquid phase group, and the SiO is fully precipitated in situ 2 /TiO 2 Crystals which are precipitated in the whole glaze layer, so that the durability of the crystals is further improved; in addition, the solar ray utilization efficiency is improved, so that the good super-hydrophilic and anti-fouling performances are easier to maintain, and the solar ray anti-fouling material has a wide prospect in practical application.
Drawings
FIG. 1 is an XRD diffraction pattern of example 1;
fig. 2 is an AFM photograph of the atomic force microscope of example 1.
Description of the embodiments
In order to further describe the present invention, the technical means and effects adopted to achieve the predetermined object of the present invention, the following describes the present invention in detail with reference to the preferred embodiments:
the boron split-phase frit comprises the following chemical components: siO (SiO) 2 53.52wt%、Al 2 O 3 12.28wt、CaO 5.66wt%、MgO 0.40wt%、K 2 O 0.52wt%、Na 2 O 9.76wt%、TiO 2 6.83wt%、ZnO 0.13wt%、B 2 O 3 10.9 wt%。
Example 1
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 14.3wt% of malaysia kaolin, 85.7wt% of boron split-phase frit and 2wt% of aluminum oxide.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water = 1:1.8:1 was added to a ball milling tank and the boron split frit and alumina were ball milled for 30min and then clay was added for 20min.
The sieving process is 250 mesh sieving, and the aging process is 24 hours.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln, heated to 1190 ℃ in an oxidizing atmosphere, then quenched to 720 ℃ for 30min, and kept for 60min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 20nm, the wetting angle is 4.5 degrees, the whiteness of the glaze is 80 percent, and the hardness of the glaze is 826 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Example 2
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 15wt% of Guizhou kaolin, 85wt% of boron split-phase frit and 3wt% of aluminum oxide.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water = 1:2:1 was added to a ball milling tank and the boron split frit and alumina were ball milled for 40 min and then clay was added for 15min.
The sieving process is 250 mesh sieving, and the aging process is 36 hours.
Above-mentionedThe application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln to be heated to 1200 ℃ in an oxidizing atmosphere, then the kiln temperature is quenched to 730 ℃ for 60min, and the temperature is kept for 30min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 23nm, the wetting angle is 4.8 degrees, the whiteness of the glaze is 81 percent, and the hardness of the glaze is 945 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Example 3
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 15.6wt% of large kaolin, 84.4wt% of boron split-phase frit and 4wt% of additional alumina.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water = 1:2:0.8 was added to a ball milling tank and the boron split frit and alumina were ball milled for 40 min and then clay was added for 20min.
The sieving process is to pass through a 250-mesh sieve, and the time of the aging process is 28 hours.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln to be heated to 1210 ℃ under the oxidizing atmosphere, then the kiln temperature is quenched to 740 ℃ for 60min, and the temperature is kept for 45min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 21nm, the wetting angle is 5.0 degrees, the whiteness of the glaze is 82 percent, and the glaze hardness is 1100 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Example 4
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 13.2wt% of large kaolin, 86.8wt% of boron split-phase frit and 5wt% of additional alumina.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water = 1:1.8:0.8 into a ball milling tank, and boron split-phase frit and alumina were ball milled for 40 min, followed by clay addition for 20min.
The sieving process is 250 mesh sieving, and the aging process is 32 hours.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln to be heated to 1210 ℃ under the oxidizing atmosphere, then the kiln temperature is quenched to 750 ℃ for 45min, and the temperature is kept for 60min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 22nm, the wetting angle is 5.1 degrees, the whiteness of the glaze is 83 percent, and the glaze hardness is 1100 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Example 5
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 14.6wt% of Guizhou kaolin, 85.4wt% of boron split-phase frit and 4wt% of aluminum oxide.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water=1:2:0.8 was added to a ball milling tank, and boron split-phase frit and alumina were ball milled for 35 min, followed by clay addition and ball milling for 15min.
The sieving process is 250 mesh sieving, and the aging process is 36 hours.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln, heated to 1190 ℃ in an oxidizing atmosphere, then quenched to 760 ℃ for 30min, and kept for 45min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 25nm, the wetting angle is 6.0 degrees, the whiteness of the glaze is 84 percent, and the hardness of the glaze is 934 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Example 6
Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze comprises the following components in percentage by weight: 15.9wt% of Guizhou kaolin, 84.1wt% of boron split-phase frit and 2wt% of aluminum oxide.
The granularity of the boron split-phase frit is less than 300 mu m.
The preparation method of the ceramic glaze comprises the steps of proportioning, ball milling, sieving and ageing according to the formula of the ceramic glaze to obtain the glaze.
The ball milling process comprises the following steps of: alumina ball mill: water = 1:2:0.85 was added to a ball milling tank and the boron split frit and alumina were ball milled for 30min and then clay was added for 10min.
The sieving process is 250 mesh sieving, and the aging process is 24 hours.
The application method of the glaze obtained by the preparation method is characterized in that: the glaze is applied on the surface of the green body, and is driedHeating to 1190 ℃ in a kiln under an oxidizing atmosphere, quenching the kiln temperature to 730 ℃ for 60min, and preserving the heat for 30min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
The roughness of the ceramic glaze surface is 30nm, the wetting angle is 6.5 degrees, the whiteness of the glaze is 82 percent, and the hardness of the glaze is 950 kgf/mm 2 。
The ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
Claims (10)
1. Nano SiO 2 /TiO 2 The self-cleaning ceramic glaze is characterized in that: the ceramic glaze comprises the following components in percentage by weight: 13.2 to 16.7 weight percent of clay, 83.3 to 86.8 weight percent of boron split-phase frit, and 2 to 5 weight percent of aluminum oxide.
2. The ceramic glaze according to claim 1, wherein: the clay is one of Malaysia kaolin, guizhou kaolin and Dagao kaolin.
3. The ceramic glaze according to claim 1, wherein: the boron split-phase frit comprises the following chemical components:
SiO 2 53.52wt%、Al 2 O 3 12.28wt、CaO 5.66wt%、MgO 0.40wt%、K 2 O 0.52wt%、Na 2 O 9.76wt%、TiO 2 6.83wt%、ZnO 0.13wt%、B 2 O 3 10.9 wt%。
4. the ceramic glaze according to claim 1, wherein: the granularity of the boron split-phase frit is less than 300 mu m.
5. A method of preparing the ceramic glaze of claim 1, wherein: and (3) preparing materials according to a ceramic glaze formula, ball milling, sieving and ageing to obtain the glaze.
6. The method of manufacturing according to claim 5, wherein: the ball milling process comprises the following steps of: alumina ball mill: water=1:1.8-2:0.8-1, adding into a ball milling tank, ball milling boron split-phase frit and alumina for 30-40 min, adding clay and ball milling for 10-20 min.
7. The method of manufacturing according to claim 5, wherein: the sieving process is 250 mesh sieving, and the ageing process is 24-36 h.
8. A method of using the glaze obtained by the method of claim 5, characterized in that: the glaze is applied on the surface of a green body, dried and placed in a kiln, heated to 1190-1210 ℃ in an oxidizing atmosphere, then quenched to 720-760 ℃ for 30-60 min, and kept for 30-60 min to obtain the nano SiO 2 /TiO 2 Self-cleaning ceramic glaze.
9. The application method according to claim 8, wherein: the roughness of the ceramic glaze surface is 20-30 nm, the wetting angle is 4.5-7.0 degrees, the whiteness of the glaze is 80-84 percent, and the hardness of the glaze is 826-1100 kgf/mm 2 。
10. The application method according to claim 8, wherein: the ceramic glaze surface shows good oleophobic capacity under the action of water, and after being smeared by a Mark pen, the imprinting can be promoted to float only by dripping a small amount of water.
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Citations (6)
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