CN206204427U - The new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique - Google Patents
The new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique Download PDFInfo
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- CN206204427U CN206204427U CN201621074630.4U CN201621074630U CN206204427U CN 206204427 U CN206204427 U CN 206204427U CN 201621074630 U CN201621074630 U CN 201621074630U CN 206204427 U CN206204427 U CN 206204427U
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Abstract
The utility model is related to a kind of new pretreatment to the coating technique of body of a motor car to combine the coating structure for exempting from middle painting technique, is made up of conversion film layer, electrophoresis layer, A base color paint layers, B base color paint layers and clearcoat layer, it is characterised in that：The conversion film layer 0.030~0.05 of low temperature is coated with ground, electrophoresis layer 15~20 is stamped in conversion film layer overlying, it is coated with the adjustable A base color paint layers of thickness and B base color paint layers in electrophoresis layer successively respectively, it is 35~45 that thickness is scribbled on B base color paint layersClearcoat layer；Wherein conversion film layer is with the low temperature thin film layer of zirconium oxide or silane component, A base color paint layers and the colored paint that B base color paint layers are identical or different color.Which raises mechanical performances such as the anti-stonings and impact strength for exempting from middle coating layer, difficult point of the new coating process using bright color coating is solved.
Description
Technical field
The utility model is related to a kind of new pretreatment to the coating technique of body of a motor car to combine the coating structure for exempting from middle painting technique, category
In coating and application techniques field.
Background technology
The coating structure of usual body of a motor car tradition coating process is " phosphate conversion film layer+electrophoresis layer+floating coat+sheet
Color top coat layer " or " phosphate conversion film layer+electrophoresis layer+floating coat+base color paint layer+clearcoat layer ".With painting dressing automobiles
Technological progress, the overall lifting of coating material, coating equipment and vehicle body sheet metal manufacturing technology and is exempted from new pretreatment to the coating technique
Middle painting technique is just progressively applied in the painting of all kinds body of a motor car and driver's cabin.
At present, using the middle painting technique of exempting from of body of a motor car, its coating structure for " in phosphate conversion film layer+electrophoresis layer+this
Color top coat layer " or " phosphate conversion film layer+electrophoresis layer+base color paint layer+clearcoat layer ".The characteristics of this kind of coating structure is：
Coating structure is simple, and easy construction, production efficiency is high, and durability is good, is adapted to traditional steel wagon sheet.As automobile is light
The demand of quantization, vehicle body and its covering use aluminium alloy or increasing, the traditional phosphate conversion film of aluminium-magnesium alloy sheet
Layer is poor with the adhesion of aluminum alloy plate materials, causes the mechanical performance of vehicle body composite coating slightly worse.In addition, bright for some colors
It is beautiful, have penetrating effect, the color of the difficult application of traditional sense is also not suitable for.This kind of coating performance index is shown in Table 1.
Application No. CN200720093941.X " surface of steel workpiece exempts from the coloured coating structure of middle coating " is coating
The utility model patent of configuration aspects, main contents are traditional phosphate conversion film, using the coating structure for exempting from middle painting technique, and
The component and new pretreatment to the coating film layer of coating are not refine to, so, it is unrelated with core content of the present utility model and feature.
The content of the invention
The purpose of this utility model is to provide a kind of new pretreatment to the coating technique of body of a motor car to exempt from reference to middle painting technique is exempted from
Coating structure, improve the mechanical performances such as the anti-stoning and impact strength of exempting from middle coating layer, solve new coating process and use
The difficult point of bright color coating.
What the technical solution of the utility model was realized in：A kind of new pretreatment to the coating technique of body of a motor car is combined in exempting from
The coating structure of technique is applied, is made up of conversion film layer, electrophoresis layer, A base color paint layers, B base color paint layers and clearcoat layer, its feature
It is：The conversion film layer 0.030~0.05 of low temperature is coated with ground, electrophoresis layer 15~20 is stamped in conversion film layer overlying, it is coated with the adjustable A base color paint layers of thickness and B base color paint layers in electrophoresis layer successively respectively, scribbled on B base color paint layers
Thickness is 35~45Clearcoat layer；Wherein conversion film layer is with the low temperature thin film layer of zirconium oxide or silane component, A bases
Colored paint layer and the colored paint that B base color paint layers are identical or different color.
Good effect of the present utility model is：The anti-stoning for exempting from middle coating layer and the impact for improving lightweight sheet material are strong
The mechanical performances such as degree, using the difficult point of bright color coating.This kind of coating performance index is shown in Table 2, can meet car lightweight
Vehicle body pursues high-decoration, the occasion of shades of colour outward appearance.
Brief description of the drawings
Fig. 1 is coating structure schematic diagram of the present utility model.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings：As shown in figure 1, before a kind of new paint of body of a motor car
Handling process combines the coating structure for exempting from middle painting technique, by conversion film layer 2, electrophoresis layer 3, A base color paint layers 4, the and of B base color paint layers 5
Clearcoat layer 6 is constituted, it is characterised in that：The conversion film layer 2 of low temperature is coated with ground 1, electricity is coated with conversion film layer 2
Swimming layer 3, it is 10~20 to be coated with thickness in electrophoresis layer 3 successively respectivelyA base color paint layers 4 and 7~12B primary colours paints
Layer 5, it is 35~45 that thickness is scribbled on B base color paint layers 5Clearcoat layer；Wherein conversion film layer is with zirconium oxide or silicon
The low temperature thin film layer of alkane composition, A base color paint layers 4 and B base color paint layers 5 are the colored paint of identical or different color.A base color paint layers 4
According to the color property of B base color paint layers 5, can be identical with the color of B base color paint layers 5, can also color difference.A base color paint layers 4 are
Aqueous one-component coating, general coating layer thickness is 10~20, with excellent with priming paint adhesion, anti-stoning energy and UV
Isolation, surface drying speed is fast, is 3-6min apart from the flash-off time of lower one application.Metal powder and pearl essence are free of in coating,
It is this colored paint, color is generally dark-grey, light gray and middle ash.
B base color paint layers 5 are aqueous one-component coating, and general coating layer thickness is 7~12.With excellent Coating combination
Power, surface drying speed is fast, is 5-10min apart from the flash-off time of lower one application.
Clearcoat layer 6 is solvent-based two-component coating, and general coating layer thickness is 35~45.With excellent interlayer
Adhesion, gloss and decorative appearance and weatherability.
There are five layers on the surface of steel ground 1, ground floor is that the new conversion film layer 2, second layer is electrophoresis layer 3, third layer
For one-component true qualities A base color paint layers 4, the 4th layer be one-component flash metal luster（Or true qualities）B base color paint layers 5, layer 5 film are
Double-component clearcoat layer 6.
The coating structure that middle painting technique is exempted from new pretreatment to the coating technique combination is to arrange in the following order：New conversion film 2,
Main chemical compositions are zirconium oxide, silane or the two mixture.Its important performance is zirconium on unit area（Silicon）The quality of element,
Microscopic appearance and the matching with cathode electrodip painting.
The appearance color of new conversion film has multicolour, generally yellow, blue or iris, and microstructure is not in
The bulk of rule, the even compact oxide-film without crystallization.Its with the supporting rear mechanical performance of electrophoretic paint significantly improve, corrosion resistance
Well.Electrophoretic paint layer 3,15 μm -20 μm of thickness, flat smooth；One-component true qualities A base color paint layers 4,10 μm -20 μm of thickness；Single group
Part flash metal luster（Or true qualities）B base color paint layers 5,7 μm -12 μm of thickness；One-component clearcoat layer 6,35 μm -45 μm of thickness is put down
It is whole smooth, completed with middle painting coating process is exempted from through new pretreatment to the coating, it is complete coloured coating.
A kind of new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique, by conversion film layer 2, electrophoresis
Layer 3, A base color paint layers 4, B base color paint layers 5 and clearcoat layer 6 are constituted, it is characterised in that：The conversion of low temperature is coated with ground 1
Film layer 2, electrophoresis layer 3 is coated with conversion film layer 2, is coated with thickness in electrophoresis layer 3 successively respectively for 8-12A primary colours
Enamelled coating 4 and 8-12B base color paint layers 5, thickness is scribbled on B base color paint layers 5 for 35~45Clearcoat layer；
Wherein conversion film layer is that A base color paint layers 4 and B base color paint layers 5 are same color with the low temperature thin film layer of zirconium oxide or silane component
Colored paint.
A base color paint layers 4 are aqueous one-component coating, and general coating layer thickness is 8-12, with excellent with priming paint knot
With joint efforts, anti-stoning energy and UV isolations, surface drying speed are fast, are 3-6min apart from the flash-off time of lower one application.In coating
Containing metal powder and pearl essence, color is colors.
B base color paint layers 5 are aqueous one-component coating, and general coating layer thickness is 7~12.With excellent Coating combination
Power, surface drying speed is fast, is 5-10min apart from the flash-off time of lower one application.In coating contain metal powder and pearl essence, color with
A base color paint layers 4 are identical.
Clearcoat layer 6 is solvent-based two-component coating, and general coating layer thickness is 35~45.With excellent interlayer
Adhesion, gloss and decorative appearance and weatherability.
There are five layers on the surface of steel ground 1, ground floor is that the new conversion film layer 2, second layer is electrophoresis layer 3, third layer
It is one-component flash metal luster（Or true qualities）A base color paint layers 4, the 4th layer be one-component flash metal luster（Or true qualities）B base color paint layers 5,
Layer 5 film is double-component clearcoat layer 6.
The coating structure that middle painting technique is exempted from new pretreatment to the coating technique combination is to arrange in the following order：New conversion film 2,
Main chemical compositions are zirconium oxide, silane or the two mixture.Its important performance is zirconium on unit area（Silicon）The quality of element,
Microscopic appearance and the matching with cathode electrodip painting.
The appearance color of new conversion film has multicolour, generally yellow, blue or iris, and microstructure is not in
The bulk of rule, the even compact oxide-film without crystallization.Its with the supporting rear mechanical performance of electrophoretic paint significantly improve, corrosion resistance
Well.Electrophoretic paint layer 3,15 μm -20 μm of thickness, flat smooth；One-component flash metal luster（Or true qualities）A base color paint layers 4, the μ of thickness 8
m-12μm；One-component flash metal luster（Or true qualities）B base color paint layers 5,8 μm -12 μm of thickness；One-component clearcoat layer 6, thickness 35
μm -45 μm, flat smooth through new pretreatment to the coating and is exempted from middle painting coating process and is completed, and is complete coloured coating.
Claims (1)
1. a kind of new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique, by conversion film layer, electrophoresis layer,
A base color paint layers, B base color paint layers and clearcoat layer composition, it is characterised in that：The conversion film layer of low temperature is coated with ground
0.030~0.05, electrophoresis layer 15~20 is stamped in conversion film layer overlying, it is coated with thickness in electrophoresis layer successively respectively
Adjustable A base color paint layers and B base color paint layers, it is 35~45 that thickness is scribbled on B base color paint layersClearcoat layer；Its
Middle conversion film layer is that A base color paint layers and B base color paint layers are identical or different face with the low temperature thin film layer of zirconium oxide or silane component
The colored paint of color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074630.4U CN206204427U (en) | 2016-09-23 | 2016-09-23 | The new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074630.4U CN206204427U (en) | 2016-09-23 | 2016-09-23 | The new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206204427U true CN206204427U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621074630.4U Expired - Fee Related CN206204427U (en) | 2016-09-23 | 2016-09-23 | The new pretreatment to the coating technique of body of a motor car combines the coating structure for exempting from middle painting technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN206204427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445881A (en) * | 2022-09-14 | 2022-12-09 | 东风柳州汽车有限公司 | Method for spraying paint film on vehicle body |
-
2016
- 2016-09-23 CN CN201621074630.4U patent/CN206204427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445881A (en) * | 2022-09-14 | 2022-12-09 | 东风柳州汽车有限公司 | Method for spraying paint film on vehicle body |
| CN115445881B (en) * | 2022-09-14 | 2023-08-18 | 东风柳州汽车有限公司 | Spraying method of automobile body paint film |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20190923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |