CN221051777U - Self-cleaning coating for repairing automobile - Google Patents
Self-cleaning coating for repairing automobile Download PDFInfo
- Publication number
- CN221051777U CN221051777U CN202322603117.6U CN202322603117U CN221051777U CN 221051777 U CN221051777 U CN 221051777U CN 202322603117 U CN202322603117 U CN 202322603117U CN 221051777 U CN221051777 U CN 221051777U
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- Prior art keywords
- coating
- coating layer
- layer
- cleaning
- self
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- 238000000576 coating method Methods 0.000 title claims abstract description 103
- 239000011248 coating agent Substances 0.000 title claims abstract description 101
- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 239000011247 coating layer Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000003973 paint Substances 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000004593 Epoxy Substances 0.000 claims abstract description 25
- 239000002987 primer (paints) Substances 0.000 claims abstract description 25
- 239000002966 varnish Substances 0.000 claims abstract description 17
- 230000008439 repair process Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000003487 electrochemical reaction Methods 0.000 abstract description 3
- 239000011737 fluorine Substances 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 239000012752 auxiliary agent Substances 0.000 description 6
- 239000004925 Acrylic resin Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 229920001228 polyisocyanate Polymers 0.000 description 5
- 239000005056 polyisocyanate Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229920003180 amino resin Polymers 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 and the like Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000011226 reinforced ceramic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model belongs to the technical field of automobile repair coating, and particularly relates to an automobile repair self-cleaning coating, which comprises a coating substrate and a self-cleaning coating layer positioned on the coating substrate 1, wherein the self-cleaning coating layer comprises a phosphating layer uniformly combined on the coating substrate 1, a 2K epoxy primer coating layer, a putty coating layer, a 2K middle coating layer, a 1K color paint coating layer and a 2K varnish coating layer, the 2K epoxy primer coating layer is coated on the upper surface part of the phosphating layer, the putty coating layer is coated on the upper surface part of the 2K epoxy primer coating layer, the 2K middle coating layer is coated on the upper surface part of the putty coating layer, the 1K color paint coating layer is coated on the upper surface part of the 2K middle coating layer, the coating substrate and phosphating solution form a phosphating layer on the coating substrate through chemical and electrochemical reaction, and the thickness of the phosphating layer is 5-15 mu m. The utility model can realize the characteristics of excellent aging resistance, graffiti resistance, water and oil repellency, easy cleaning and the like, and the maintenance cost of the automobile is reduced.
Description
Technical Field
The utility model belongs to the technical field of automobile repair coating coatings, and particularly relates to an automobile repair self-cleaning coating.
Background
The automobile paint is used for painting automobile body, and has the functions of protecting automobile body from damage caused by natural environment, ultraviolet ray, etc. and beautifying automobile. Automotive coatings are widely used for automotive body coating. The original factory paint is a paint produced by an automobile manufacturer and has excellent durability, corrosion resistance and aesthetic appearance. The repair paint is used for repairing the scratch, abrasion and other problems on the surface of the vehicle, and needs to have good adhesive force and abrasion resistance. Refinish paint is a paint used to change the color, appearance, etc. of a vehicle and is required to have a rich color selection and good durability.
The self-cleaning polyurethane coating is a novel environment-friendly coating, is also commonly used for coating automobile bodies, can keep the surfaces of outdoor objects clean by means of natural conditions such as rainwater and the like, can reduce maintenance cost and labor force requirements, can reduce environmental pollution to the minimum, and is applied to the fields such as the outdoor, kitchen and the like, but the automobile coating also needs to have higher durability and self-cleaning performance.
Disclosure of utility model
The utility model aims to provide an automobile repair self-cleaning coating, which can realize the characteristics of excellent ageing resistance, graffiti resistance, water and oil repellency, easy cleaning and the like, and the maintenance cost of an automobile is reduced.
The technical scheme adopted by the utility model is as follows:
An automobile repair self-cleaning coating comprises a coating substrate and a self-cleaning coating layer positioned on the coating substrate, wherein the self-cleaning coating layer comprises a phosphating layer, a 2K epoxy primer coating layer, a putty coating layer, a 2K middle coating layer, a 1K color paint coating layer and a 2K varnish coating layer which are uniformly combined on the coating substrate, the 2K epoxy primer coating layer is coated on the upper surface part of the phosphating layer, the putty coating layer is coated on the upper surface part of the 2K epoxy primer coating layer, the 2K middle coating layer is coated on the upper surface part of the putty coating layer, the 1K color paint coating layer is coated on the upper surface part of the 2K middle coating layer, and the 2K varnish coating layer is coated on the upper surface part of the 1K color paint coating layer.
The coating substrate and the phosphating solution form a phosphating layer on the coating substrate through chemical and electrochemical reactions, and the thickness of the phosphating layer is 5-15 mu m.
The 2K epoxy primer coating is a combination of epoxy resin and modified amine, and the thickness of the 2K epoxy primer coating is 5-45 mu m.
The putty coating is water-resistant putty, and the coating thickness of the putty coating is 50-300 mu m.
The 2K middle coating consists of aqueous polyurethane dispersoid, amino resin, pigment filler, auxiliary agent, film forming auxiliary agent and polyisocyanate, and the thickness of the 2K middle coating is 30-50 mu m.
The 1K color paint coating consists of acrylic resin, color paste and auxiliary agents, and the thickness of the 1K color paint coating is 10-30 mu m.
The 2K varnish coating consists of fluorine modified hydroxyl acrylic resin and fluorine modified polyisocyanate curing agent, and the thickness of the 2K varnish coating is 35-50 mu m.
The coating matrix is any one of a metal substrate, a composite substrate or a plastic substrate.
The utility model has the technical effects that:
The utility model has the characteristics of more excellent aging resistance, graffiti resistance, water and oil repellency, easy cleaning and the like, so that the maintenance of the automobile is easier, the maintenance habit of an automobile owner on the coating of the automobile is thoroughly changed, the maintenance time and the cost are reduced, and the service life of the automobile is greatly prolonged.
Drawings
FIG. 1 is a schematic illustration of the coating structure of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. Coating a substrate; 2. a phosphating layer; 3. a 2K epoxy primer coating; 4. a putty coating; 5. 2K middle coating; 6. 1K color paint coating; 7. 2K varnish coating.
Detailed Description
The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.
As shown in fig. 1, an automotive repair self-cleaning coating comprises a coated substrate 1 and a self-cleaning coating layer positioned on the coated substrate 1, wherein the self-cleaning coating layer comprises a phosphating layer 2, a 2K epoxy primer coating layer 3 uniformly combined on the coated substrate 1, a putty coating layer 4, a 2K middle coating layer 5, a 1K color paint coating layer 6 and a 2K varnish coating layer 7,2K, wherein the epoxy primer coating layer 3 is coated on the upper surface part of the phosphating layer 2, the putty coating layer 4 is coated on the upper surface part of the 2K epoxy primer coating layer 3, the 2K middle coating layer 5 is coated on the upper surface part of the putty coating layer 4, the 1K color paint coating layer 6 is coated on the upper surface part of the 2K middle coating layer 5, and the 2K varnish coating layer 7 is coated on the upper surface part of the 1K color paint coating layer 6.
Reference to "1K" in accordance with the above terms is intended to describe the system as a one-component system, and reference to "2K" is intended to describe the system as a two-component system.
Referring to FIG. 1, a coated substrate 1 and a phosphating solution form a phosphating layer 2 on the coated substrate 1 by chemical and electrochemical reactions, and the thickness of the phosphating layer 2 is 5 μm to 15. Mu.m.
Furthermore, the purpose of phosphating is mainly to provide protection for the base metal, prevent the metal from being corroded to a certain extent, be used for priming before painting, and improve the adhesive force and the corrosion resistance of a paint film layer.
Referring to fig. 1,2K, the epoxy primer coating 3 is a combination of an epoxy resin and a modified amine, and the thickness of the 2K epoxy primer coating 3 is 5 μm to 45 μm.
Further, the 2K epoxy primer coating 3 provides adhesion on the phosphating layer 2, has excellent salt spray resistance, excellent adhesion, and excellent chemical resistance, and the preferable coating thickness of the 2K epoxy primer coating 3 is 35 μm to 45 μm.
Further, the baking temperature of the 2K epoxy primer coating 3 is 50-60 ℃ and the baking time is 30-60 min.
Referring to fig. 1, the putty coating 4 is a water-resistant putty, and the coating thickness of the putty coating 4 is 50 μm to 300 μm.
Further, the preferable thickness of the putty coating 4 is 100 mu m, wherein the 2K epoxy primer coating 3 has good adhesive force and compact paint film, and the putty coating 4 can remove the defect of uneven surface of the epoxy primer and can be better used as a coating for mixing and bonding a base layer.
Still further, the putty coating 4 may be allowed to air dry for 12 hours and then sanded using 240 mesh sandpaper.
Referring to fig. 1,2K, the middle coating layer 5 is composed of aqueous polyurethane dispersoid, amino resin, pigment filler, auxiliary agent, film forming auxiliary agent and polyisocyanate, and the thickness of the 2K middle coating layer 5 is 30-50 μm.
Further, the baking temperature of the 2K middle coating layer 5 is 50-60 ℃ and the baking time is 20-30 min.
Further, the 2K intercoat 5 may be baked or naturally dried, and the 2K intercoat 5 provides adhesion to the putty coating 4, is excellent in grindability and stone chip resistance, and the 2K intercoat 5 preferably has a thickness of 40. Mu.m.
Referring to figure 1,1K, the color paint coating 6 is composed of acrylic resin, color paste and auxiliary agent, and the thickness of the 1K color paint coating 6 is 10-30 mu m.
Further, the baking temperature of the 1K colored paint coating 6 is 50-60 ℃ and the baking time is 2-5 min, or a low-temperature dehydration technology is adopted, wherein the 1K colored paint coating 6 provides adhesion with the 2K middle coating 5, and the coating has good covering power and rich and colorful colors. The coating is easy to color, and meets the market demand for various colors, wherein the thickness of the 1K color paint coating 6 is preferably 18 mu m.
Referring to fig. 1,2K, the varnish coating 7 is composed of fluorine modified hydroxy acrylic resin and fluorine modified polyisocyanate curing agent, and the thickness of the 2K varnish coating 7 is 35 μm to 50 μm.
Further, the baking temperature of the 2K varnish coating 7 is 50-60 ℃ and the baking time is 30-60 min.
According to the above, the 2K varnish coating 7 is formed by fluorine modified hydroxy acrylic resin and fluorine modified polyisocyanate curing agent at the uppermost part of the coating, the organic fluorine has high C-F bond energy, small radius, more stable, and exhibits more excellent low surface energy and hydrophobic property, the coating can be combined with any color paint coating, and then baked at elevated temperature, and the coating has high gloss, good fullness, good weather resistance, and good chemical resistance, and further, the thickness of the 2K varnish coating 7 is preferably 45 μm.
Referring to fig. 1, a coated substrate 1 is any one of a metal substrate, a composite substrate, or a plastic substrate.
Based on the above, the application takes the automobile as an example, and the metal materials used by the automobile, such as steel plate, aluminum material, magnesium alloy and the like, and the composite base materials are as follows: fiber reinforced ceramics, fiber reinforced metals, and the like, plastic substrates such as engineering plastics, synthetic plastics, and the like, however, the coating can also be used for coating kitchen ware, aircraft outer walls, woodware or machine tools and instrument instruments in actual use.
The working principle of the utility model is as follows: the phosphating layer 2 can provide protection for the metal substrate; the 2K epoxy primer coating 3 has strong adhesive force on a metal substrate, excellent salt spray resistance, excellent adhesive force and excellent chemical resistance; the putty coating 4 can remove the defect of uneven surface of the epoxy primer; 2K middle coating layer 5 has excellent grindability and stone-strike resistance; the paint coating provides adhesion to the 2K middle coating 5, and the coating has good hiding power and rich colors. The coating is easy to color, and meets the requirements of the market for various colors. The 2K varnish coating 7 has high gloss, good fullness, good weather resistance and good chemical resistance. The composite coating has the characteristics of more excellent aging resistance, graffiti resistance, water and oil repellency, easiness in cleaning and the like, so that the maintenance of the automobile is easier, the coating maintenance habit of an automobile owner on the automobile is thoroughly changed, the maintenance time and cost are reduced, and the service life of the automobile is greatly prolonged.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (8)
1. An automotive repair self-cleaning coating, comprising:
coating a substrate (1)
A self-cleaning coating on the coated substrate (1), the self-cleaning coating comprising a phosphating layer (2) uniformly bonded to the coated substrate (1);
a 2K epoxy primer coating (3), wherein the 2K epoxy primer coating (3) is coated on the upper surface part of the phosphating layer (2);
A putty coating (4), wherein the putty coating (4) is coated on the upper surface part of the 2K epoxy primer coating (3);
A 2K middle coating layer (5), wherein the 2K middle coating layer (5) is coated on the upper surface part of the putty coating layer (4);
a 1K color paint coating (6), wherein the 1K color paint coating (6) is coated on the upper surface part of the 2K middle coating (5);
A 2K varnish coating (7), the 2K varnish coating (7) being applied to the upper surface of the 1K paint coating (6).
2. An automotive repair self-cleaning coating according to claim 1, wherein: the thickness of the phosphating layer (2) is 5-15 mu m.
3. An automotive repair self-cleaning coating according to claim 1, wherein: the thickness of the 2K epoxy primer coating (3) is 5-45 mu m.
4. An automotive repair self-cleaning coating according to claim 1, wherein: the putty coating (4) is water-resistant putty, and the coating thickness of the putty coating (4) is 50-300 mu m.
5. An automotive repair self-cleaning coating according to claim 1, wherein: the thickness of the 2K middle coating layer (5) is 30-50 μm.
6. An automotive repair self-cleaning coating according to claim 1, wherein: the thickness of the 1K color paint coating (6) is 10-30 mu m.
7. An automotive repair self-cleaning coating according to claim 1, wherein: the thickness of the 2K varnish coating (7) is 35-50 mu m.
8. An automotive repair self-cleaning coating according to any one of claims 1-7, characterized in that: the coating matrix (1) is any one of a metal substrate, a composite substrate or a plastic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322603117.6U CN221051777U (en) | 2023-09-25 | 2023-09-25 | Self-cleaning coating for repairing automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322603117.6U CN221051777U (en) | 2023-09-25 | 2023-09-25 | Self-cleaning coating for repairing automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051777U true CN221051777U (en) | 2024-05-31 |
Family
ID=91199364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322603117.6U Active CN221051777U (en) | 2023-09-25 | 2023-09-25 | Self-cleaning coating for repairing automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221051777U (en) |
-
2023
- 2023-09-25 CN CN202322603117.6U patent/CN221051777U/en active Active
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