CN114231981A - Enamel plate with texture on surface and preparation method thereof - Google Patents
Enamel plate with texture on surface and preparation method thereof Download PDFInfo
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- CN114231981A CN114231981A CN202111571278.0A CN202111571278A CN114231981A CN 114231981 A CN114231981 A CN 114231981A CN 202111571278 A CN202111571278 A CN 202111571278A CN 114231981 A CN114231981 A CN 114231981A
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- glaze layer
- texture
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- temperature
- glaze
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- 210000003298 dental enamel Anatomy 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000010304 firing Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000001788 irregular Effects 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 13
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D5/00—Coating with enamels or vitreous layers
- C23D5/02—Coating with enamels or vitreous layers by wet methods
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D9/00—Ovens specially adapted for firing enamels
Abstract
The invention discloses an enamel plate with texture on the surface, which comprises a steel plate and a ground coat layer coated on the surface of the steel plate, wherein the surface of the ground coat layer is provided with a surface glaze layer, and the surface glaze layer has irregular texture, and the invention also discloses a preparation method of the enamel plate, which comprises the following steps: step one, applying porcelain glaze on the upper surface of a steel plate to form a ground glaze layer; spraying a surface glaze layer on the bottom glaze layer, drying and firing at a first temperature; step three, spraying texture on the surface glaze layer obtained in the step two to form a glaze layer, drying, and firing at a second temperature; cooling to room temperature after sintering; wherein the first temperature is higher than the second temperature, and the linear expansion coefficient of the overglaze layer is smaller than that of the texture formation glaze layer; along with the gradual reduction of the temperature, the texture forming glaze layer is cooled to the room temperature, the texture forming glaze layer is peeled off and takes away part of the surface glaze layer adhered with the texture forming glaze layer, and irregular textures are formed on the surface of the surface glaze layer; the invention has natural irregular surface texture.
Description
Technical Field
The invention relates to the technical field of enamel plates, in particular to an enamel plate with texture on the surface and a preparation method thereof.
Background
The enamel plate is a composite material formed by organically combining two different materials such as metal material, glass enamel and the like at high temperature, has the advantages of strength and extensibility of steel, acid and alkali corrosion resistance of glass, difficulty in pollution, easiness in cleaning of products and the like, is widely applied to chemical engineering, architectural decoration, various road signs, billboards, various report boards of offices, interior decoration of vehicles and ships, household appliance shells and parts, various kitchen supplies and the like, and has a wide market. With the rapid development of economy and the improvement of living standard of people, people have higher and higher requirements on enamel products, which are not only in pursuit of the performance of the enamel products, but also more in demand for beauty, diversity and higher-end texture of the enamel products.
However, due to the melting and leveling characteristics of the enamel in the firing process, the effect of a concave-convex ceramic surface is difficult to form on the surface of the plate, and the pattern of the ceramic surface of the plate is single. The enamel plate manufactured by the method has certain ornamental effect, not only enriches the diversity of the enamel plate, but also meets the development requirement of the diversity of the decorative plate, and has wide market prospect.
Disclosure of Invention
The invention aims to provide an enamel plate with texture on the surface, and the enamel plate has natural irregular surface texture.
In order to solve the technical problem, the technical scheme of the invention is as follows: the enamel plate with the texture on the surface comprises a steel plate and a ground coat coated on the surface of the steel plate, wherein a surface glaze layer is arranged on the surface of the ground coat, and the surface glaze layer has irregular textures.
In a further improvement, the thickness of the ground coat layer is 80-150 μm. The invention selects the high-temperature glaze matched with the steel plate.
Preferably, the linear expansion coefficient of the overglaze layer is in the range of 100 x 10-7from/K to 140X 10-7K; the spray thickness is 100 to 150 μm. OverglazeThe layer is high temperature glaze matched with the steel plate.
The invention aims to provide a preparation method of an enamel plate with texture on the surface, which effectively controls the formation of the surface texture by utilizing the peeling of a cooling process.
In order to solve the technical problem, the technical scheme of the invention is as follows: a preparation method of an enamel plate with texture on the surface comprises the following steps:
step one, applying porcelain glaze on the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the bottom glaze layer, drying and firing at a first temperature;
step three, spraying texture on the surface glaze layer obtained in the step two to form a glaze layer, drying, and firing at a second temperature; cooling to room temperature after sintering;
wherein the first temperature is higher than the second temperature, and the linear expansion coefficient of the overglaze layer is smaller than that of the texture formation glaze layer;
and (3) cooling the texture forming glaze layer to room temperature along with the gradual reduction of the temperature, stripping the texture forming glaze layer and taking away part of the surface glaze layer adhered with the texture forming glaze layer, and forming irregular textures on the surface of the surface glaze layer.
The linear expansion coefficient of the overglaze layer is preferably in the range of 100X 10-7from/K to 140X 10-7/K；
The linear expansion coefficient of the texture forming glaze layer is 200 x 10-7from/K to 260X 10-7/K。
Preferably, the first temperature of the firing in the first step is 800 ℃ to 840 ℃ and the firing time is 4min to 5 min. In the invention, the stable combination among the ground glaze layer, the overglaze layer and the steel plate is ensured by controlling the first sintering temperature.
Preferably, the second temperature of the step three firing is 550 ℃ to 650 ℃, and the firing time is 4min to 6 min. The texture forming glaze layer is completely melted at the second temperature, only the surface part of the overglaze layer is softened and is partially adhered to the texture forming glaze layer, after cooling, due to different expansion coefficients and different contraction forces of the two glaze layers, the texture forming glaze layer and the overglaze layer are peeled off and take away the partially adhered texture forming glaze layer, and irregular textures are formed on the surface of the texture forming glaze layer.
The spraying thickness of the overglaze layer is preferably 150-250 μm; the thickness of the texture-forming glaze layer is 60 μm to 150 μm. The thickness of the texture forming glaze layer is smaller than the spraying thickness of the surface glaze layer, so that the texture forming glaze layer is fully adhered with part of the surface glaze layer in the stripping and falling process, and the uniformity and controllability of the surface texture formation are ensured.
Preferably, the temperature is reduced by using air flow in the process of cooling to the room temperature in the third step. The process can use fan to speed up temperature reduction, not to quench, the texture forming glaze layer slowly peels off and takes away part of the glaze layer adhered with the texture forming glaze layer, so that irregular texture is formed on the surface of the first glaze layer
Preferably, the steel plate is BT1C low-carbon steel; the sintering of the bottom glaze layer is 830-860 ℃ for 4-6 min, and the thickness of the bottom glaze layer is 80-150 mu m; after cooling, a cover glaze layer is applied.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the invention, the firing temperature is controlled, so that the bottom glaze layer and the surface glaze layer of the steel plate are stably and reliably combined at a high temperature, then the texture forming glaze layer is sprayed on the surface glaze layer, the texture forming glaze layer is completely melted at a second temperature lower than the firing temperature of the opposite surface glaze layer, only the surface part of the surface glaze layer is softened and forms partial adhesion with the texture forming glaze layer, after cooling, due to different expansion coefficients and different contraction forces of the two glaze layers, the texture forming glaze layer and the surface glaze layer are stripped and take away the partially adhered texture to form the glaze layer, and the texture forming glaze layer has irregular textures on the surface;
the surface appearance of the enamel plate is controlled by mutually adhering the enamel plate and forming stripping and taking away part of adhered texture due to different expansion coefficients after cooling; the texture is formed stably and has certain controllability.
The invention overcomes the characteristic of melting and leveling of the enamel in the firing process through the concept of molding and stripping, the obtained concave-convex texture is uniform, natural, irregular and controllable, the general requirement of the existing enamel plate market on the smooth effect of the enamel surface is changed, and the requirement of the enamel plate market is changed from another direction, so that the diversified requirements of the enamel plate market are met.
Thereby achieving the above object of the present invention.
Drawings
FIG. 1 is a view showing an enamel plate obtained in example 1 of the present invention;
FIG. 2 is a view showing an enamel plate obtained in example 2 of the present invention;
FIG. 3 is an enamel plate obtained in example 3 of the present invention;
FIG. 4 shows an enamel plate obtained in example 4 of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
Example 1
The embodiment discloses a preparation method of an enamel plate with texture on the surface, which comprises the following steps:
step one, applying porcelain glaze on the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the bottom glaze layer, drying and firing at a first temperature;
step three, spraying texture on the surface glaze layer obtained in the step two to form a glaze layer, drying, and firing at a second temperature; cooling to room temperature after sintering;
wherein the first temperature is higher than the second temperature, and the linear expansion coefficient of the overglaze layer is smaller than that of the texture formation glaze layer;
and (3) cooling the texture forming glaze layer to room temperature along with the gradual reduction of the temperature, stripping the texture forming glaze layer and taking away part of the surface glaze layer adhered with the texture forming glaze layer, and forming irregular textures on the surface of the surface glaze layer.
The linear expansion coefficient of the overglaze layer is preferably in the range of 100X 10-7from/K to 140X 10-7/K；
The linear expansion coefficient of the texture forming glaze layer is 200 x 10-7from/K to 260X 10-7/K。
Preferably, the first temperature of the firing in the first step is 800 ℃ to 840 ℃ and the firing time is 4min to 5 min. In the invention, the stable combination among the ground glaze layer, the overglaze layer and the steel plate is ensured by controlling the first sintering temperature.
The second temperature of the third step is 550-650 ℃, and the sintering time is 4-6 min. The texture forming glaze layer is completely melted at the second temperature, only the surface part of the overglaze layer is softened and is partially adhered to the texture forming glaze layer, after cooling, due to different expansion coefficients and different contraction forces of the two glaze layers, the texture forming glaze layer and the overglaze layer are peeled off and take away the partially adhered texture forming glaze layer, and irregular textures are formed on the surface of the texture forming glaze layer.
The spraying thickness of the overglaze layer is 150-250 μm; the thickness of the texture-forming glaze layer is 60 μm to 150 μm. The thickness of the texture forming glaze layer is smaller than the spraying thickness of the surface glaze layer, so that the texture forming glaze layer is fully adhered with part of the surface glaze layer in the stripping and falling process, and the uniformity and controllability of the surface texture formation are ensured.
And step three, accelerating temperature reduction by using air flow in the process of cooling to room temperature. The process can use fan to speed up temperature reduction, not to quench, the texture forming glaze layer slowly peels off and takes away part of the glaze layer adhered with the texture forming glaze layer, so that irregular texture is formed on the surface of the first glaze layer
Preferably, the steel plate is BT1C low-carbon steel; the sintering of the bottom glaze layer is 830-860 ℃ for 4-6 min, and the thickness of the bottom glaze layer is 80-150 mu m; after cooling, a cover glaze layer is applied.
The surface texture of the enamel plate produced in this example is shown in fig. 1.
Example 2
The main differences between this example and example 1 are detailed in tables 1 and 2.
The surface texture of the enamel plate produced in this example is shown in fig. 2.
Example 3
The main differences between this example and example 1 are detailed in tables 1 and 2.
The surface texture of the enamel plate produced in this example is shown in fig. 3.
Example 4
The main differences between this example and example 1 are detailed in tables 1 and 2.
The surface texture of the enamel plate produced in this example is shown in fig. 4.
The specific properties of the enamel plates obtained in examples 1 to 4 are detailed in Table 3.
As can be seen from the data in tables 1 to 3 and fig. 1 to 4, the present invention controls the firing temperature to stably and reliably bond the steel sheet ground coat and the cover coat at a high temperature, then the texture-forming coat is sprayed on the cover coat, the texture-forming coat is completely melted at a second temperature lower than the firing temperature of the cover coat, only the surface of the cover coat is partially softened and partially bonded with the texture-forming coat, after cooling, the two glaze layers have different shrinkage forces due to different expansion coefficients, so that the texture-forming coat and the cover coat are peeled off and take away the partially bonded texture to form the coat, and the texture-forming coat has irregular texture on the surface thereof; the formation of the texture can be controlled by the thickness of the texture-formed glaze layer on one hand, and the block area of the overglaze layer when being stripped is controlled by adjusting the local spraying thickness in the spraying process; on the other hand, the firing temperature and time of the texture layer-forming glaze layer are changed to change the degree of softening of the glaze layer, thereby controlling the thickness of the glaze layer at the time of peeling.
The surface appearance of the enamel plate is controlled by mutually adhering the enamel plate and forming stripping and taking away part of adhered texture due to different expansion coefficients after cooling; the texture is formed stably and has certain controllability.
The glossiness of the obtained enamel plate is combined, so that the surface texture of the enamel plate obtained by the method is formed, and the obtained enamel plate has a certain matte effect.
The invention overcomes the characteristic of melting and leveling of the enamel in the firing process through the concept of molding and stripping, the obtained concave-convex texture is uniform, natural, irregular and controllable, the general requirement of the existing enamel plate market on the smooth effect of the enamel surface is changed, and the requirement of the enamel plate market is changed from another direction, so that the diversified requirements of the enamel plate market are met.
Claims (10)
1. The utility model provides an enamel plate with texture on surface which characterized in that: the steel plate comprises a steel plate and a ground coat layer coated on the surface of the steel plate, wherein a surface glaze layer is arranged on the surface of the ground coat layer and is provided with irregular textures.
2. An enamel panel having a texture on the surface as claimed in claim 1, wherein:
the thickness of the ground coat layer is 80 to 150 μm.
3. An enamel panel having a texture on the surface as claimed in claim 1, wherein: the linear expansion coefficient range of the overglaze layer is 100 multiplied by 10-7from/K to 140X 10-7K; the spray thickness is 100 to 150 μm.
4. A process for the preparation of enamelled plates according to any of claims 1 to 3, characterized in that: the method comprises the following steps:
step one, applying porcelain glaze on the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the bottom glaze layer, drying and firing at a first temperature;
step three, spraying texture on the surface glaze layer obtained in the step two to form a glaze layer, drying, and firing at a second temperature; cooling to room temperature after sintering;
wherein the first temperature is higher than the second temperature, and the linear expansion coefficient of the overglaze layer is smaller than that of the texture formation glaze layer;
and (3) cooling the texture forming glaze layer to room temperature along with the gradual reduction of the temperature, stripping the texture forming glaze layer and taking away part of the surface glaze layer adhered with the texture forming glaze layer, and forming irregular textures on the surface of the surface glaze layer.
5. The method of claim 4, wherein:
the linear expansion coefficient of the overglaze layer is 100 multiplied by 10-7from/K to 140X 10-7/K；
The linear expansion coefficient of the texture forming glaze layer is 200 x 10-7from/K to 260X 10-7/K。
6. The method of claim 4, wherein:
the first temperature of the sintering in the first step is 800-840 ℃, and the sintering time is 4-5 min.
7. The method of claim 4, wherein:
the second temperature of the third step is 550-650 ℃, and the sintering time is 4-6 min.
8. The method of claim 4, wherein: the spraying thickness of the overglaze layer is 150-250 μm; the thickness of the texture-forming glaze layer is 60 μm to 150 μm.
9. The method of claim 4, wherein: and step three, accelerating temperature reduction by using air flow in the process of cooling to room temperature.
10. The method of claim 4, wherein: the steel plate is BT1C low-carbon steel; the sintering of the bottom glaze layer is 830-860 ℃ for 4-6 min, and the thickness of the bottom glaze layer is 80-150 mu m; after cooling, a cover glaze layer is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571278.0A CN114231981B (en) | 2021-12-21 | 2021-12-21 | Enamel plate with surface textures and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571278.0A CN114231981B (en) | 2021-12-21 | 2021-12-21 | Enamel plate with surface textures and preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN114231981A true CN114231981A (en) | 2022-03-25 |
| CN114231981B CN114231981B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111571278.0A Active CN114231981B (en) | 2021-12-21 | 2021-12-21 | Enamel plate with surface textures and preparation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941476A (en) * | 1982-08-31 | 1984-03-07 | Matsushita Electric Works Ltd | Preparation of enamelled product |
| US5534300A (en) * | 1994-03-16 | 1996-07-09 | Aerospatiale Societe Nationale Industrielle | Two-layer high temperature coating on a ceramic substrate, and process for obtaining same |
| CN108423992A (en) * | 2018-05-28 | 2018-08-21 | 浙江开尔新材料股份有限公司 | It is a kind of to be used to produce glaze and technique with cobblestone-imitated male and fomale(M＆F) enamelled pressed steel |
| CN108608791A (en) * | 2018-06-14 | 2018-10-02 | 浙江开尔新材料股份有限公司 | A kind of decoration texture enamel plate and preparation method thereof |
| CN111807873A (en) * | 2020-07-08 | 2020-10-23 | 佛山市东鹏陶瓷有限公司 | High-strength ceramic glazed tile and preparation method thereof |
-
2021
- 2021-12-21 CN CN202111571278.0A patent/CN114231981B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941476A (en) * | 1982-08-31 | 1984-03-07 | Matsushita Electric Works Ltd | Preparation of enamelled product |
| US5534300A (en) * | 1994-03-16 | 1996-07-09 | Aerospatiale Societe Nationale Industrielle | Two-layer high temperature coating on a ceramic substrate, and process for obtaining same |
| CN108423992A (en) * | 2018-05-28 | 2018-08-21 | 浙江开尔新材料股份有限公司 | It is a kind of to be used to produce glaze and technique with cobblestone-imitated male and fomale(M＆F) enamelled pressed steel |
| CN108608791A (en) * | 2018-06-14 | 2018-10-02 | 浙江开尔新材料股份有限公司 | A kind of decoration texture enamel plate and preparation method thereof |
| CN111807873A (en) * | 2020-07-08 | 2020-10-23 | 佛山市东鹏陶瓷有限公司 | High-strength ceramic glazed tile and preparation method thereof |
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| CN114231981B (en) | 2024-01-26 |
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