CN114231981B - Enamel plate with surface textures and preparation method - Google Patents
Enamel plate with surface textures and preparation method Download PDFInfo
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- CN114231981B CN114231981B CN202111571278.0A CN202111571278A CN114231981B CN 114231981 B CN114231981 B CN 114231981B CN 202111571278 A CN202111571278 A CN 202111571278A CN 114231981 B CN114231981 B CN 114231981B
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- glaze layer
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- glaze
- textures
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- 210000003298 dental enamel Anatomy 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000010304 firing Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000001788 irregular Effects 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000000037 vitreous enamel Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 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
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an enamel plate with textures 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 ground coat layer, and the ground coat layer has irregular textures, and the invention also discloses a preparation method of the enamel plate, which comprises the following steps: step one, porcelain glaze is applied to the upper surface of a steel plate to form a ground glaze layer; spraying a surface glaze layer on the ground glaze layer, drying and firing at a first temperature; step three, spraying textures on the surface glaze layer 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 forming glaze layer; as the temperature gradually decreases, the texture forming glaze layer is cooled to room temperature, the texture forming glaze layer peels 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 textures 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 materials and glass enamel at high temperature, has the advantages of strength and extensibility of steel, acid and alkali corrosion resistance of glass, difficult pollution, easy cleaning of products and the like, is widely applied to chemical industry, architectural decoration, various road marks, advertising boards and various office report notification boards, vehicle and ship interior decoration, 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 the living standard of people, the requirements of people on enamel products are higher and higher, and the requirements of people on the enamel products are more demanding on the beauty, diversity and higher-end texture on the basis of pursuing the performance of the enamel products.
However, the ceramic glaze has the characteristics of melting and leveling in the firing process, so that the concave-convex ceramic surface effect is difficult to form on the plate surface, and the plate ceramic surface is single in pattern. The enamel plate manufactured by the method has a certain ornamental effect, enriches the diversity of the enamel plate, meets the development requirement of the diversity of the decorative plate, and has a wide market prospect.
Disclosure of Invention
The invention aims to provide an enamel plate with a textured surface, which has a naturally irregular surface texture.
In order to solve the technical problem, the technical scheme of the invention is as follows: the enamel plate with the surface textures comprises a steel plate and a ground coat layer coated on the surface of the steel plate, wherein the ground coat layer is provided with a surface coat layer, and the surface coat layer has irregular textures.
Further improved, the thickness of the primer layer is 80-150 μm. The invention selects the high-temperature glaze which is matched with the steel plate.
Preferably, the overglaze layer has a linear expansion coefficient in the range of 100X 10 -7 K to 140X 10 -7 K; the spray thickness is 100 μm to 150 μm. The surface glaze layer is high-temperature glaze matched with the steel plate.
The invention aims to provide a preparation method of a enamel plate with a textured surface, which utilizes the peeling of a cooling process to effectively control the formation of the textured surface.
In order to solve the technical problem, the technical scheme of the invention is as follows: the preparation method of the enamel plate with the surface textures comprises the following steps:
step one, porcelain glaze is applied to the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the ground glaze layer, drying and firing at a first temperature;
step three, spraying textures on the surface glaze layer 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 forming glaze layer;
and cooling the texture forming glaze layer to room temperature along with the gradual reduction of the temperature, peeling off 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 -7 K to 140X 10 -7 /K；
The linear expansion coefficient of the texture forming glaze layer ranges from 200 to 10 -7 K to 260X 10 -7 /K。
Preferably, the first temperature of the first firing step is 800 ℃ to 840 ℃ and the firing time is 4min to 5min. In the invention, the stable combination among the ground coat, the overglaze layer and the steel plate is ensured by controlling the first firing temperature.
Preferably, the second temperature of the third firing is 550 ℃ to 650 ℃ and the firing time is 4min to 6min. The surface glaze layer is only partially softened and partially adhered to the surface glaze layer, and after cooling, the surface glaze layer and the surface glaze layer form stripping and take away the partially adhered surface glaze layer due to different expansion coefficients and different shrinkage forces of the two glaze layers.
Preferably, the overglaze layer is sprayed to a thickness of 150 to 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 ensured to adhere to a part of the surface glaze layer in the stripping and falling process, and the surface texture is ensured to be formed uniformly and controllably.
Preferably, in the process of cooling to room temperature, air flow is utilized to accelerate cooling. The process can use a fan to accelerate cooling, can not be quenched, and the texture forming glaze layer is slowly peeled off and takes away part of the glaze layer adhered with the glaze layer, so that the surface of the first glaze layer forms irregular textures
Preferably, the steel plate is BT1C low carbon steel; sintering the ground coat layer at 830-860 ℃ for 4-6 min, wherein the thickness of the ground coat layer is 80-150 mu m; after cooling, an overglaze layer is applied.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the invention, the firing temperature is controlled to ensure that the steel plate ground coat layer and the surface glaze layer are combined stably and reliably at 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 which is lower than the firing temperature of the surface glaze layer, only a surface part of the surface glaze layer is softened and is adhered to a texture forming glaze layer forming part, after cooling, due to different expansion coefficients, the contraction forces of the two glaze layers are different, so that the texture forming glaze layer and the surface glaze layer form stripping and take away the partially adhered texture forming glaze layer, and the surface of the texture forming glaze layer forms irregular textures;
the control of the surface appearance of the enamel plate is that the enamel plate and the enamel plate are mutually adhered and the textures formed by partial adhesion are taken away through peeling formed by different expansion coefficients after cooling; the formation of the texture is stable and has certain controllability.
The invention overcomes the characteristic of melting and leveling of the porcelain glaze in the firing process through the concept of firstly forming and then stripping, the obtained concave-convex texture is uniform, natural and irregular and controllable, the general requirement of the existing enamel plate market on the porcelain surface smoothing effect is changed, and the requirement of the enamel plate market is changed from the other direction, so that the requirement of diversification of the enamel plate market is met.
Thereby achieving the above object of the present invention.
Drawings
FIG. 1 is an enamel plate made in accordance with example 1 of the present invention;
FIG. 2 is an enamel plate made in accordance with example 2 of the present invention;
FIG. 3 is an enamel plate made in accordance with example 3 of the present invention;
FIG. 4 is an enamel plate made in accordance with example 4 of the present invention.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
Example 1
The embodiment discloses a preparation method of a enamel plate with textures on the surface, which comprises the following steps:
step one, porcelain glaze is applied to the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the ground glaze layer, drying and firing at a first temperature;
step three, spraying textures on the surface glaze layer 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 forming glaze layer;
and cooling the texture forming glaze layer to room temperature along with the gradual reduction of the temperature, peeling off 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 -7 K to 140X 10 -7 /K；
The linear expansion coefficient of the texture forming glaze layer ranges from 200 to 10 -7 K to 260X 10 -7 /K。
Preferably, the first temperature of the first firing step is 800 ℃ to 840 ℃ and the firing time is 4min to 5min. In the invention, the stable combination among the ground coat, the overglaze layer and the steel plate is ensured by controlling the first firing temperature.
The second temperature of the third firing is 550 ℃ to 650 ℃ and the firing time is 4min to 6min. The surface glaze layer is only partially softened and partially adhered to the surface glaze layer, and after cooling, the surface glaze layer and the surface glaze layer form stripping and take away the partially adhered surface glaze layer due to different expansion coefficients and different shrinkage forces of the two glaze layers.
The spraying thickness of the overglaze layer is 150-250 mu m; 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 ensured to adhere to a part of the surface glaze layer in the stripping and falling process, and the surface texture is ensured to be formed uniformly and controllably.
And thirdly, utilizing airflow to accelerate cooling in the process of cooling to room temperature. The process can use a fan to accelerate cooling, can not be quenched, and the texture forming glaze layer is slowly peeled off and takes away part of the glaze layer adhered with the glaze layer, so that the surface of the first glaze layer forms irregular textures
Preferably, the steel plate is BT1C low carbon steel; sintering the ground coat layer at 830-860 ℃ for 4-6 min, wherein the thickness of the ground coat layer is 80-150 mu m; after cooling, an overglaze layer is applied.
The surface texture of the enamel plate prepared in this example is shown in FIG. 1.
Example 2
The main differences between this example and example 1 are shown in tables 1 and 2.
The surface texture of the enamel plate prepared in this example is shown in FIG. 2.
Example 3
The main differences between this example and example 1 are shown in tables 1 and 2.
The surface texture of the enamel plate prepared in this example is shown in FIG. 3.
Example 4
The main differences between this example and example 1 are shown in tables 1 and 2.
The surface texture of the enamel plate prepared in this example is shown in FIG. 4.
The specific properties of the enamel plates produced in examples 1 to 4 are shown in Table 3.
As can be seen from the data of tables 1 to 3 and fig. 1 to 4, the present invention enables the under-glaze layer and the over-glaze layer of the steel plate to be combined stably and reliably at high temperature by controlling the firing temperature, then sprays the texture forming glaze layer on the over-glaze layer, and fully melts the texture forming glaze layer at a second temperature which is lower than the firing temperature of the over-glaze layer, and only a surface part of the over-glaze layer is softened and partially adhered to the texture forming glaze layer, and after cooling, the two glaze layers have different shrinkage forces due to different expansion coefficients, so that the texture forming glaze layer and the over-glaze layer form stripping and take away the partially adhered texture forming glaze layer, and the surface of the texture forming glaze layer forms irregular textures; the formation of the texture can be controlled by the thickness of the glaze layer formed by the texture, and the blocky area of the surface glaze layer when stripping is controlled by adjusting the local spraying thickness in the spraying process; on the other hand, the thickness of the overglaze layer when peeling can also be controlled by changing the firing temperature and time of the grain forming layer to change the softening degree of the overglaze layer.
The control of the surface appearance of the enamel plate is that the enamel plate and the enamel plate are mutually adhered and the textures formed by partial adhesion are taken away through peeling formed by different expansion coefficients after cooling; the formation of the texture is stable and has certain controllability.
The glossiness of the enamel plate obtained by combining the method can be known, and the surface texture of the enamel plate obtained by the method can be formed, so that the enamel plate has a certain matte effect.
The invention overcomes the characteristic of melting and leveling of the porcelain glaze in the firing process through the concept of firstly forming and then stripping, the obtained concave-convex texture is uniform, natural and irregular and controllable, the general requirement of the existing enamel plate market on the porcelain surface smoothing effect is changed, and the requirement of the enamel plate market is changed from the other direction, so that the requirement of diversification of the enamel plate market is met.
Claims (3)
1. A preparation method of a enamel plate with textures on the surface is characterized by comprising the following steps: the enamel plate with the surface textures comprises a steel plate and a ground coat layer coated on the surface of the steel plate, wherein the ground coat layer is provided with a ground coat layer, and the surface of the ground coat layer is provided with irregular textures; the thickness of the primer layer is 80-150 μm; the linear expansion coefficient of the overglaze layer is 100 multiplied by 10 -7 K to 140X 10 -7 K; the saidThe preparation method of the enamel plate with the texture on the surface comprises the following steps:
step one, porcelain glaze is applied to the upper surface of a steel plate to form a ground glaze layer;
spraying a surface glaze layer on the ground glaze layer, drying and firing at a first temperature; the first temperature of the sintering is 800-840 ℃ and the sintering time is 4-5 min;
step three, spraying textures on the surface glaze layer to form a glaze layer, drying and firing at a second temperature; cooling to room temperature after sintering; the second temperature of the sintering is 550-650 ℃ and the sintering time is 4-6 min;
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 forming glaze layer;
as the temperature gradually decreases, the texture forming glaze layer is cooled to room temperature, the texture forming glaze layer peels 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 linear expansion coefficient of the texture forming glaze layer ranges from 200 to 10 -7 K to 260X 10 -7 K; the spraying thickness of the overglaze layer is 150-250 mu m; the thickness of the texture forming glaze layer is 60 μm to 150 μm.
2. The method for producing a porcelain enamel plate having a textured surface as claimed in claim 1, wherein: and thirdly, utilizing airflow to accelerate cooling in the process of cooling to room temperature.
3. The method for producing a porcelain enamel plate having a textured surface as claimed in claim 1, wherein: the steel plate is BT1C low-carbon steel; sintering the ground coat layer at 830-860 ℃ for 4-6 min, wherein the thickness of the ground coat layer is 80-150 mu m; after cooling, an overglaze 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 CN114231981A (en) | 2022-03-25 |
| CN114231981B true CN114231981B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Publication number | Publication date |
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| CN114231981A (en) | 2022-03-25 |
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Inventor after: Zhang Jun Inventor after: Cao Yiting Inventor after: Xing Hanxue Inventor after: Ying Yangyang Inventor after: Fu Angting Inventor after: Ye Sheng Inventor before: Zhang Jun Inventor before: Cao Yiting Inventor before: Xing Hanxue Inventor before: Ying Yangyang Inventor before: Fu Angting Inventor before: Ye Sheng |
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