CN202965397U - High-weatherability polyester colour-coated coil - Google Patents
High-weatherability polyester colour-coated coil Download PDFInfo
- Publication number
- CN202965397U CN202965397U CN 201220578799 CN201220578799U CN202965397U CN 202965397 U CN202965397 U CN 202965397U CN 201220578799 CN201220578799 CN 201220578799 CN 201220578799 U CN201220578799 U CN 201220578799U CN 202965397 U CN202965397 U CN 202965397U
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- coating
- substrate
- coated
- scribble
- weatherability
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a high-weatherability polyester colour-coated coil, comprising a substrate, wherein the substrate is made form a metal material; a first chemical coating is coated on the front surface of the substrate; a layer of base paint is coated on the first chemical coating; a high-weatherability polyester coating is coated on the base paint; a second first chemical coating is coated on the back surface of the substrate; and a layer of back paint is coated on the second first chemical coating. Via the high-weatherability polyester coating, the high-weatherability polyester colour-coated coil disclosed by the utility model has small possibility of cracking in case of a large temperature difference change, and particularly unable to be pulverized in case of being exposed under the sun, thus being improved in weatherability and prolonged in service life.
Description
Technical field
The utility model relates to a kind of sheet metal coiled material, especially a kind of high weatherable polyether prepainted coil.
Background technology
Prepainted coil has lightweight, performance attractive in appearance because of it, thereby is widely used in every profession and trade, as: advertising, building industry, household electric appliances, electrical apparatus industry, furniture industry etc.Existing prepainted coil is normally done the processing of a underseal on the surface, also have and do the prepainted coil that the above coating such as underseal and painting layer is processed, such prepainted coil has certain corrosion protection, can keep within the regular hour not by corrosion, but when temperature Change was larger, the coating of outside easily chapped, and causes coating damage, further make the oxidized or corrosion of substrate, affect the attractive in appearance and result of use of prepainted coil.
The utility model content
The utility model is for the problems referred to above, and purpose is to provide a kind of high weatherable polyether prepainted coil, and this prepainted coil has high weatherable polyether coating, can adapt to the variation of the temperature difference and not chap.
The utility model realizes that the technical scheme of above-mentioned purpose is: high weatherable polyether prepainted coil, comprise substrate, described substrate is made by metal material, scribble the first immersion coating in the front of substrate, learn on coating first and scribble one deck priming paint, scribble high weatherable polyether coating on priming paint, scribble the second immersion coating at the back side of substrate, scribble one deck back of the body paint on the second immersion coating.
Described substrate is alclad sheet or galvanized sheet.
Described the first immersion coating is the Cr VI passivating coating.
The material of described priming paint is polyurethane modified epoxy resin.
The material of described fluorine carbon polyester coating is the HDP mylar.
Described the second immersion coating is the Cr VI passivating coating.
The material of described back of the body paint is epoxy resin.
The beneficial effects of the utility model are: high weatherable polyether coating of the present utility model can make the utility model be difficult for be full of cracks when difference variation is larger, and efflorescence occurs the Shi Buhui that especially is exposed to the sun under the sun, thereby weatherability and the service life of having improved prepainted coil.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
In figure: substrate 1, the first immersion coating 2, priming paint 3, high weatherable polyether coating 4, the second immersion coating 5, back of the body paint 6.
The specific embodiment
Below in conjunction with accompanying drawing, and in conjunction with the embodiments, the utility model is described further.
Embodiment 1:
As shown in Figure 1, high weatherable polyether prepainted coil, comprise substrate 1, described substrate 1 is made by metal material, scribble the first immersion coating 2 in the front of substrate 1, learn on coating 2 first and scribble one deck priming paint 3, scribble high weatherable polyether coating 4 on priming paint 3, scribble the second immersion coating 5 at the back side of substrate 1, scribble one deck back of the body paint 6 on the second immersion coating 5.
Described substrate 1 is alclad sheet or galvanized sheet.
Described the first immersion coating 2 is the Cr VI passivating coating.
The material of described priming paint 3 is polyurethane modified epoxy resin.
The material of described fluorine carbon polyester coating 4 is the HDP mylar.
Described the second immersion coating 5 is the Cr VI passivating coating.
The material of described back of the body paint 6 is epoxy resin.
Described HDP mylar synthesizes with neopentyl glycol, 1,4-CHDM, 1,6-hexylene glycol, trimethylolpropane adipic acid, HHPA and Isosorbide-5-Nitrae-cyclohexane cyclohexanedimethanodibasic.
Claims (1)
1. high weatherable polyether prepainted coil, comprise substrate (1), described substrate (1) is made by metal material, it is characterized in that: scribble the first immersion coating (2) in the front of substrate (1), learn on coating (2) first and scribble one deck priming paint (3), scribble high weatherable polyether coating (4) on priming paint (3), scribble the second immersion coating (5) at the back side of substrate (1), scribble one deck back of the body paint (6) on the second immersion coating (5); Described substrate (1) is alclad sheet or galvanized sheet, described the first immersion coating (2) is the Cr VI passivating coating, the material of described priming paint (3) is polyurethane modified epoxy resin, the material of described high weatherable polyether coating (4) is the HDP mylar, described the second immersion coating (5) is the Cr VI passivating coating, and the material of described back of the body paint (6) is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220578799 CN202965397U (en) | 2012-10-25 | 2012-10-25 | High-weatherability polyester colour-coated coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220578799 CN202965397U (en) | 2012-10-25 | 2012-10-25 | High-weatherability polyester colour-coated coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202965397U true CN202965397U (en) | 2013-06-05 |
Family
ID=48506520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220578799 Expired - Fee Related CN202965397U (en) | 2012-10-25 | 2012-10-25 | High-weatherability polyester colour-coated coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202965397U (en) |
-
2012
- 2012-10-25 CN CN 201220578799 patent/CN202965397U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |