CN111269027A - Method for forming porous structure on surface of ceramic - Google Patents
Method for forming porous structure on surface of ceramic Download PDFInfo
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- CN111269027A CN111269027A CN202010136610.XA CN202010136610A CN111269027A CN 111269027 A CN111269027 A CN 111269027A CN 202010136610 A CN202010136610 A CN 202010136610A CN 111269027 A CN111269027 A CN 111269027A
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- metal oxide
- ceramic
- porous structure
- coating
- silicon dioxide
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- 239000000919 ceramic Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 31
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 238000004528 spin coating Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910004613 CdTe Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 210000003850 cellular structure Anatomy 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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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
- C04B41/5025—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 ceramic materials
- C04B41/5035—Silica
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- 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
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/455—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction
- C04B41/4552—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction the end product being obtained by a multistep reaction or conversion
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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
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/455—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction
- C04B41/4558—Coating or impregnating involving the chemical conversion of an already applied layer, e.g. obtaining an oxide layer by oxidising an applied metal layer
- C04B41/456—Coating or impregnating involving the chemical conversion of an already applied layer, e.g. obtaining an oxide layer by oxidising an applied metal layer the conversion only taking place under certain conditions, e.g. avoiding damage of underlaying layers or parts of the substrate
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- 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
- C04B41/4582—Porous coatings, e.g. coating containing porous fillers
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- 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
- C04B41/459—Temporary coatings or impregnations
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- C—CHEMISTRY; METALLURGY
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- 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
- C04B41/87—Ceramics
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemically Coating (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a method for forming a porous structure on the surface of ceramic, which comprises the steps of preparing a ceramic substrate, and cleaning the ceramic substrate to ensure the surface to be clean; processing nano silicon dioxide, and coating the nano silicon dioxide on the surface of the ceramic substrate to be used as a first layer; preparing metal oxide, and spraying/spin-coating the metal oxide on the upper end surface of the nano silicon dioxide to serve as a second layer; a cleaning solution is prepared and applied over the second layer of metal oxide for dissolving the metal oxide and creating a porous structure. The invention can rapidly manufacture the coating with the porous structure by using a coating method and adopting a traditional processing technology, and the communication between the holes can be controlled.
Description
Technical Field
The invention relates to a method for forming a porous structure on the surface of a ceramic.
Background
At present, surface treatment needs high-energy laser drilling or complex processes and formulas such as multilayer photoetching and 3D printing if a porous structure is needed, and a method for effectively manufacturing the porous structure on a ceramic substrate does not exist at present.
Disclosure of Invention
The invention aims to solve the technical problem that a coating with a porous structure can be rapidly manufactured by using a coating method and adopting a traditional processing technology.
The invention is realized by the following technical scheme: a method for forming a porous structure on the surface of ceramic specifically comprises the following steps:
s1, preparing a ceramic substrate, and cleaning the ceramic substrate to ensure the surface to be clean;
s2, processing nano silicon dioxide, and coating the nano silicon dioxide on the surface of the ceramic substrate to be used as a first layer;
s3, preparing a metal oxide, and spraying/spin-coating the metal oxide on the upper end surface of the nano silicon dioxide to serve as a second layer;
and S4, preparing a cleaning solution, coating the cleaning solution on the metal oxide of the second layer, and dissolving the metal oxide to generate a porous structure.
As a preferable technical solution, the metal oxide is a metal oxide which does not easily react with the nano-silica.
As a preferable technical scheme, the metal oxide is CdTe/CdS/ZnS macromolecular metal oxide.
As a preferable technical scheme, the cleaning solution adopts a mixture of nitric acid and hydrochloric acid.
Preferably, the cleaning solution adopts 98% nitric acid and 37% hydrochloric acid, and the nitric acid and the hydrochloric acid are mixed according to the ratio of 1: 3 in a weight ratio.
In the preferred technical scheme, the communication between the holes in the porous structure is adjusted and combined by controlling the concentration of the solvent of the metal oxide and the nano-silica, the time, the speed and the temperature of the processing process.
The invention has the beneficial effects that: the invention can rapidly manufacture the coating with the porous structure by using a coating method and adopting a traditional processing technology, and the communication between the holes can be controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention prior to cleaning;
FIG. 2 is a schematic diagram of the cleaned structure of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
As shown in fig. 1, a ceramic substrate is prepared and cleaned to ensure clean surface; then processing nano silicon dioxide, and coating the nano silicon dioxide on the surface of the ceramic substrate to be used as a first layer; preparing metal oxide, and spraying/spin-coating the metal oxide on the upper end surface of the nano silicon dioxide to serve as a second layer; a cleaning solution is prepared and applied over the second layer of metal oxide for dissolving the metal oxide and creating a porous structure as shown in fig. 2.
The metal oxide is a metal oxide that does not easily react with the nano-silica, and in this embodiment, the metal oxide is a CdTe/CdS/ZnS macromolecular metal oxide.
In this example, a mixture of nitric acid and hydrochloric acid was used as the cleaning solution, specifically, 98% nitric acid and 37% hydrochloric acid were used as the cleaning solution, and the nitric acid and hydrochloric acid were mixed in a ratio of 1: 3 in a weight ratio.
In the porous structure, the communication between the pores is adjusted and combined by controlling the concentration of the solvent of the metal oxide and the nano silicon dioxide, the time, the speed and the temperature of the processing technology.
The invention has the beneficial effects that: the invention can rapidly manufacture the coating with the porous structure by using a coating method and adopting a traditional processing technology, and the communication between the holes can be controlled.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (6)
1. A method for forming a porous structure on the surface of ceramic is characterized by comprising the following steps:
s1, preparing a ceramic substrate, and cleaning the ceramic substrate to ensure the surface to be clean;
s2, processing nano silicon dioxide, and coating the nano silicon dioxide on the surface of the ceramic substrate to be used as a first layer;
s3, preparing a metal oxide, and spraying/spin-coating the metal oxide on the upper end surface of the nano silicon dioxide to serve as a second layer;
and S4, preparing a cleaning solution, coating the cleaning solution on the metal oxide of the second layer, and dissolving the metal oxide to generate a porous structure.
2. The method of forming a cellular structure on a ceramic surface as claimed in claim 1, wherein: the metal oxide is a metal oxide which does not easily react with the nano-silica.
3. The method of forming a cellular structure on a ceramic surface as claimed in claim 1, wherein: the metal oxide is CdTe/CdS/ZnS macromolecular metal oxide.
4. The method of forming a cellular structure on a ceramic surface as claimed in claim 1, wherein: the cleaning solution is a mixture of nitric acid and hydrochloric acid.
5. The method of forming a cellular structure in a ceramic surface of claim 4, wherein: the cleaning solution adopts 98% nitric acid and 37% hydrochloric acid, and the nitric acid and the hydrochloric acid are mixed according to the ratio of 1: 3 in a weight ratio.
6. The method of forming a cellular structure on a ceramic surface as claimed in claim 1, wherein: in the porous structure, the communication between the pores is adjusted and combined by controlling the concentration of the solvent of the metal oxide and the nano silicon dioxide, the time, the speed and the temperature of the processing technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136610.XA CN111269027A (en) | 2020-03-02 | 2020-03-02 | Method for forming porous structure on surface of ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136610.XA CN111269027A (en) | 2020-03-02 | 2020-03-02 | Method for forming porous structure on surface of ceramic |
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| Publication Number | Publication Date |
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| CN111269027A true CN111269027A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010136610.XA Pending CN111269027A (en) | 2020-03-02 | 2020-03-02 | Method for forming porous structure on surface of ceramic |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849296A (en) * | 1987-12-28 | 1989-07-18 | Dow Corning Corporation | Multilayer ceramic coatings from metal oxides and hydrogen silsesquioxane resin ceramified in ammonia |
| CN101628827A (en) * | 2009-07-29 | 2010-01-20 | 河北理工大学 | Ceramic matrix lyophobic coating and preparation method thereof |
| CN102011092A (en) * | 2010-12-17 | 2011-04-13 | 上海理工大学 | High hardness and high elastic modulus CrAlN/SiO2 nanometer multi-layer coating material and preparation method thereof |
| CN102061111A (en) * | 2010-10-27 | 2011-05-18 | 中山市旌旗纳米材料科技有限公司 | Self-cleaning ceramic nano-glass anti-reflection paint manufacturing method and its anti-reflection film manufacturing method |
| CN102674704A (en) * | 2011-03-11 | 2012-09-19 | 北京市太阳能研究所有限公司 | Preparation method of porous nano silicon dioxide anti-reflection film |
| CN103693997A (en) * | 2013-11-22 | 2014-04-02 | 西安交通大学 | Structure and preparation method of compact ceramic coating on surface of porous ceramic |
| CN103831466A (en) * | 2012-11-21 | 2014-06-04 | 三菱综合材料株式会社 | Surface-wrapped cutting tool |
| CN104425407A (en) * | 2013-08-28 | 2015-03-18 | 腾瑞光电科技股份有限公司 | Heat dissipation film substrate structure and manufacturing method thereof |
-
2020
- 2020-03-02 CN CN202010136610.XA patent/CN111269027A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849296A (en) * | 1987-12-28 | 1989-07-18 | Dow Corning Corporation | Multilayer ceramic coatings from metal oxides and hydrogen silsesquioxane resin ceramified in ammonia |
| CN101628827A (en) * | 2009-07-29 | 2010-01-20 | 河北理工大学 | Ceramic matrix lyophobic coating and preparation method thereof |
| CN102061111A (en) * | 2010-10-27 | 2011-05-18 | 中山市旌旗纳米材料科技有限公司 | Self-cleaning ceramic nano-glass anti-reflection paint manufacturing method and its anti-reflection film manufacturing method |
| CN102011092A (en) * | 2010-12-17 | 2011-04-13 | 上海理工大学 | High hardness and high elastic modulus CrAlN/SiO2 nanometer multi-layer coating material and preparation method thereof |
| CN102674704A (en) * | 2011-03-11 | 2012-09-19 | 北京市太阳能研究所有限公司 | Preparation method of porous nano silicon dioxide anti-reflection film |
| CN103831466A (en) * | 2012-11-21 | 2014-06-04 | 三菱综合材料株式会社 | Surface-wrapped cutting tool |
| CN104425407A (en) * | 2013-08-28 | 2015-03-18 | 腾瑞光电科技股份有限公司 | Heat dissipation film substrate structure and manufacturing method thereof |
| CN103693997A (en) * | 2013-11-22 | 2014-04-02 | 西安交通大学 | Structure and preparation method of compact ceramic coating on surface of porous ceramic |
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