CN104859355A - Sand streak coating color-coated plate and preparation method thereof - Google Patents
Sand streak coating color-coated plate and preparation method thereof Download PDFInfo
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- CN104859355A CN104859355A CN201510230964.XA CN201510230964A CN104859355A CN 104859355 A CN104859355 A CN 104859355A CN 201510230964 A CN201510230964 A CN 201510230964A CN 104859355 A CN104859355 A CN 104859355A
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- sand streak
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Abstract
The invention discloses a sand streak coating color-coated plate and a preparation method thereof. The color-coated plate comprises a basal plate, wherein a passivation layer, a primer coating layer and a sand streak coating layer are arranged on the front surface and/or the back surface of the basal plate in sequence. The color-coated plate is provided with the sand streak coating layer on the surface of the basal plate, so that the color-coated plate has a beautiful sand streak coating layer effect to satisfy the requirements of a top-grade household appliance industry; the color-coated plate is convenient and simple in processing, and is excellent in processing performance; the successful development and application of sand streak coating household appliance color-coated plate products lay the foundation for eliminating a post-spraying process for a special household appliance industry, and achieve an active effect on the industry technical advancement and the environmental protection; the economic benefit of the sand streak coating household appliance color-coated plate products reaches 1000 y/t; and the benefit is increased by 5000000 y per year according to the development of 5000 t per year.
Description
Technical field
The invention belongs to household electrical appliances field of material technology, specifically, the present invention relates to coat color-coated plate of a kind of sand streak and preparation method thereof.
Background technology
In recent years, along with the raising of Coil Coating Products product variety quality, increasing of simplified processing technology, automaticity, enterprise is to low cost, high efficiency pursuit, and the restriction of various countries' environmental protection specification, promote color coating product and constantly replaced by the traditional handicraft of cleaning again after cold-reduced sheet or heat zinc coating plate processing, spraying and be applied to household electric appliances.And along with the expansion of application, as being applied to high-grade household electric appliances, user to the pursuit of Coil Coating Products surface effect and the requirement of processing characteristics also more and more higher, meet people's aesthetic requirement and the sand streak clad plate of concrete excellent machinability is more and more subject to the favor of user.
Summary of the invention
The invention provides coat color-coated plate of a kind of sand streak and preparation method thereof, color coating line is produced the Coil Coating Products with excellent machinability, sand streak coating result attractive in appearance, meets the demand of high-grade household electric appliances.
To achieve these goals, the technical scheme that the present invention takes is: the coat color-coated plate of sand streak, comprises substrate, and the front of described substrate and/or the back side set gradually passivation layer, primer coating and sand streak coating.
Described substrate is heat zinc coating plate, and zinc layer weight is not less than 80g/m
2.
The passivating film coated weight of described passivation layer is 25-40mg/m
2.
The primer coating of described substrate front side is that Chrome-free polyurethane rings is guaranteed the minimum paint, and coating layer thickness controls at 5-9 μm.
The primer coating of described substrate back is chromium-free environment-friendly household electrical appliances paints.
The sand streak coating of described substrate front side is sand streak effect environmental protection household electrical appliances polyester finish coats, and coating layer thickness controls at 15-20 μm.
Present invention also offers the preparation method of the coat color-coated plate of a kind of sand streak, comprise step: base-plate cleaning → passivation → prime → solidify → cool → be coated with sand streak finish paint → solidification → cooling two → check → batch.
In described substrate cleaning step, substrate is through degreasing and rinsing process.
Coil Coating Products of the present invention, by arranging sand streak coating at substrate surface, making Coil Coating Products have sand streak coating result attractive in appearance, meeting the demand of high-grade household electric appliances; And Coil Coating Products processing is simple and convenient, has good processing characteristics; The successful Application and Development of sand streak coating household electrical appliances Coil Coating Products product, for special household electric appliances eliminate after spraying coating process lay a good foundation, for the technological progress of industry and environmental protection play a positive role; Sand streak coating household electrical appliances Coil Coating Products product economy benefit 1000 yuan/ton, develops 5000 tons of meters per year, year improve effects 5,000,000 yuan.
Accompanying drawing explanation
This description comprises the following drawings, shown content respectively:
Fig. 1 is the process chart of preparation method of the present invention;
Fig. 2 is the structural representation of Coil Coating Products of the present invention;
Be labeled as in figure:
1, base material; 2, zinc coat; 3, passivation layer; 4, front primer coating; 5, sand streak coating; 6, back coating.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme, and contribute to its enforcement.
As shown in Figure 2, the invention provides the coat color-coated plate of a kind of household electric appliances sand streak, it comprises substrate, and the front of substrate sets gradually passivation layer, primer coating and sand streak coating, and the back side of substrate sets gradually passivation layer and back coating.
As preferably, as shown in Figure 2, substrate is the galvanized steel plain sheet that surface has zinc coat, and substrate intermediate layer is base material 1, and the front and back of base material 1 has zinc coat 2.
Substrate can be heat zinc coating plate or other clad steel sheet.Heat zinc coating plate selected by substrate, and hot dip galvanizing coating weight is not less than 80g/m
2.
As preferably, as shown in Figure 2, the front of substrate is provided with passivation layer 3, front primer coating 4 and sand streak coating 5 successively, the back side of substrate is provided with passivation layer 3 and back coating 6 successively, back coating 6 is laminated by back side primer coating and back side topcoat, and back side primer coating is between passivation layer 3 and back side topcoat.
As preferably, the passivating film coated weight of the passivation layer 3 of substrate surface is 25-40mg/m
2, the passivating solution adopted in the preparation is chromium-free environment-friendly passivating solution.
As preferably, front primer coating 4 to be guaranteed the minimum paint for Chrome-free polyurethane rings, and coating layer thickness controls at 5-9 μm.Sand streak coating is sand streak effect environmental protection household electrical appliances polyester finish coats, and coating layer thickness controls at 15-20 μm.Back coating is chromium-free environment-friendly household electrical appliances paints, and coating layer thickness controls at 5-10 μm.
Present invention also offers the preparation method of the coat color-coated plate of a kind of sand streak, as shown in Figure 1, this preparation method comprises step: base-plate cleaning → passivation → painting front priming paint/back side priming paint → solidification → cooling one → be coated with front sand streak finish paint/back side finish paint → solidification → cooling two → check → batch.
In the step of base-plate cleaning, substrate need through twice degreasing process and three rinsing process process, as shown in table 1.
Table 1 cleaning
| Operation | Concentration of lye (%) | Tank liquor temperature (DEG C) |
| Degreasing | 0.5-1.5 | 50-70 |
| Degreasing | 0.5-1.5 | 50-70 |
| Rinsing | / | 50-70 |
| Rinsing | / | 50-70 |
| Rinsing | / | 40-60 |
In passivation step, the passivating solution of employing is chromium-free environment-friendly passivating solution, and adjustment passivating solution concentration and applicator roll speed, pressure, make passivating film coated weight be 25-40mg/m
2; As shown in table 2.
Table 2 passivation technology
| Passivation layer solidification PMT, DEG C | Passivation layer coated weight, mg/m 2 |
| 70-100 | 25-40 |
In painting front priming paint/back side priming paint and painting front sand streak finish paint/back side finish paint step, need control coating layer thickness, the concrete THICKNESS CONTROL of coating is as shown in table 3.
Table 3 coating layer thickness and PMT
In above-mentioned preparation method, after completing cooling two step, also need to carry out overlay film to Coil Coating Products front, after overlay film completes, Coil Coating Products is tested and batches.
The technical performance of the Coil Coating Products adopting said method to prepare is as shown in table 4.
Table 4 Coil Coating Products partial properties
| Sequence number | Project | Technical requirement |
| 1 | Coating layer thickness (μm) | ≥20 |
| 2 | Coating aberration | ΔE≤1.0 |
| 3 | Gloss | 5-85 |
| 4 | Impact | ≥9J |
| 5 | Pencil hardness | ≥F |
| 6 | T is curved | ≤1T |
| 7 | Salt fog resistance | Within 240 hours, draw × locate one-sided foaming and spread≤2mm |
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1. the coat color-coated plate of sand streak, comprises substrate, it is characterized in that, the front of described substrate and/or the back side set gradually passivation layer, primer coating and sand streak coating.
2. the coat color-coated plate of sand streak according to claim 1, is characterized in that, described substrate is heat zinc coating plate, and zinc layer weight is not less than 80g/m
2.
3. the coat color-coated plate of sand streak according to claim 1, is characterized in that, the passivating film coated weight of described passivation layer is 25-40mg/m
2.
4. the coat color-coated plate of sand streak according to claim 1, is characterized in that, the primer coating of described substrate front side is that Chrome-free polyurethane rings is guaranteed the minimum paint, and coating layer thickness controls at 5-9 μm.
5. the coat color-coated plate of sand streak according to claim 1, is characterized in that, the primer coating of described substrate back is chromium-free environment-friendly household electrical appliances paints.
6. the coat color-coated plate of sand streak according to claim 1, is characterized in that, the sand streak coating of described substrate front side is sand streak effect environmental protection household electrical appliances polyester finish coats, and coating layer thickness controls at 15-20 μm.
7. according to the preparation method of the arbitrary described coat color-coated plate of sand streak of claim 1 to 6, it is characterized in that, comprise step: base-plate cleaning → passivation → prime → solidify → cool one → painting sand streak finish paint → solidification → cooling two → check → batch.
8. the preparation method of the coat color-coated plate of sand streak according to claim 7, is characterized in that, in described substrate cleaning step, substrate is through degreasing and rinsing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230964.XA CN104859355A (en) | 2015-05-07 | 2015-05-07 | Sand streak coating color-coated plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230964.XA CN104859355A (en) | 2015-05-07 | 2015-05-07 | Sand streak coating color-coated plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104859355A true CN104859355A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510230964.XA Pending CN104859355A (en) | 2015-05-07 | 2015-05-07 | Sand streak coating color-coated plate and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216204A (en) * | 2016-10-12 | 2016-12-14 | 马钢(集团)控股有限公司 | A kind of mono coat Coil Coating Products made for steel drum and production method thereof |
| CN106423790A (en) * | 2016-04-20 | 2017-02-22 | 力同铝业（广东）有限公司 | Processing method for coated aluminum coil |
| CN106694339A (en) * | 2017-03-21 | 2017-05-24 | 马钢(集团)控股有限公司 | Double-color coating color-coated sheet for steel drum manufacturing and preparation method of double-color coating color-coated sheet |
| CN108580235A (en) * | 2018-04-16 | 2018-09-28 | 武汉钢铁有限公司 | A kind of production method of metallic paint color coated steel sheet |
| CN113182154A (en) * | 2021-03-31 | 2021-07-30 | 大亚车轮制造有限公司 | Method for manufacturing sand paint anti-oxidation wheel |
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| CN202242160U (en) * | 2011-07-24 | 2012-05-30 | 珠海拾比佰彩图板股份有限公司 | Ultra-deep punching frosted Phase Change Material (PCM) composite steel plate for liquid crystal television back plate |
| CN103660663A (en) * | 2013-12-06 | 2014-03-26 | 马钢(集团)控股有限公司 | Production method of colorful coating steel band for thermal transfer printing |
| CN103692720A (en) * | 2013-12-12 | 2014-04-02 | 马钢(集团)控股有限公司 | Self-lubricated color-coated sheet and production method thereof |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202242160U (en) * | 2011-07-24 | 2012-05-30 | 珠海拾比佰彩图板股份有限公司 | Ultra-deep punching frosted Phase Change Material (PCM) composite steel plate for liquid crystal television back plate |
| CN103660663A (en) * | 2013-12-06 | 2014-03-26 | 马钢(集团)控股有限公司 | Production method of colorful coating steel band for thermal transfer printing |
| CN103692720A (en) * | 2013-12-12 | 2014-04-02 | 马钢(集团)控股有限公司 | Self-lubricated color-coated sheet and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423790A (en) * | 2016-04-20 | 2017-02-22 | 力同铝业（广东）有限公司 | Processing method for coated aluminum coil |
| CN106216204A (en) * | 2016-10-12 | 2016-12-14 | 马钢(集团)控股有限公司 | A kind of mono coat Coil Coating Products made for steel drum and production method thereof |
| CN106694339A (en) * | 2017-03-21 | 2017-05-24 | 马钢(集团)控股有限公司 | Double-color coating color-coated sheet for steel drum manufacturing and preparation method of double-color coating color-coated sheet |
| CN108580235A (en) * | 2018-04-16 | 2018-09-28 | 武汉钢铁有限公司 | A kind of production method of metallic paint color coated steel sheet |
| CN113182154A (en) * | 2021-03-31 | 2021-07-30 | 大亚车轮制造有限公司 | Method for manufacturing sand paint anti-oxidation wheel |
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Application publication date: 20150826 |