CN212002005U - Anti-fouling water-based paint coating - Google Patents
Anti-fouling water-based paint coating Download PDFInfo
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- CN212002005U CN212002005U CN202020470939.5U CN202020470939U CN212002005U CN 212002005 U CN212002005 U CN 212002005U CN 202020470939 U CN202020470939 U CN 202020470939U CN 212002005 U CN212002005 U CN 212002005U
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Abstract
The utility model provides a antifouling waterborne coating, this coating include basic unit, under coat, graphite alkene layer, tie coat, antifouling layer, top facing from bottom to top, graphite alkene layer's thickness is 5 ~ 10 mu m, antifouling layer's top surface is protruding structure, and the height of protruding structure is 5 ~ 10 mu m, and the clearance of protruding structure is 10 ~ 15 mu m, the thickness of top facing is 0.5 ~ 2 mu m. The utility model provides a antifouling water based paint coating has better water proofness, has better anti-soil effect to dust, organic pollutant, and can effective absorption decompose harmful substance such as inside bacterium, formaldehyde.
Description
Technical Field
The utility model relates to a coating field, concretely relates to anti-soil water based paint coating.
Background
With the promotion of the green industry upgrading of the national broadsword axe, the application of the water-based paint taking water as a solvent or a dispersion medium on the surfaces of various materials such as buildings, metals, plastics, glass and the like is more and more extensive. However, although the water-based paint has the advantages of no toxicity, no harm, good adaptability to the surface of a material, strong coating adhesion and the like, the water resistance of a coating is poor due to the fact that ester bonds in film-forming resin of the water-based paint are easy to hydrolyze to degrade molecular chains. In addition, the surfaces of buildings, metals and other objects are easily contaminated with pollutants such as dust, oil stains and the like, which not only affects the aesthetic property of the objects, but also weakens the weather resistance of the coating, and particularly, the water-based coating has poor water resistance, so that the pollutants cannot be removed by washing.
In the existing research, the coating is subjected to super-hydrophobic or super-hydrophilic treatment, so that the coating has a good anti-pollution effect on dust particles or organic pollutants. However, the former needs to ensure that the coating film has good compactness, so that harmful substances such as formaldehyde and bacteria in objects such as building materials and furniture are difficult to release or decompose, and the coating film has poor anti-pollution effect on organic pollutants, and the latter is not suitable for water-based coatings with poor water resistance.
In order to solve the problem, the utility model provides a antifouling water based paint coating makes the coating have better anti-soil effect to dust, organic pollutant, has better hydrophobicity and water proofness, and can decompose harmful substance such as the inside formaldehyde of detached object, bacterium.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a dirt-resistant water based paint coating, paint coating includes basic unit, under coat, graphite alkene layer, tie coat, antifouling layer, finish coat from bottom to top.
As a preferred technical scheme of the utility model, the thickness of under coat is 10 ~ 15 mu m.
As a preferred technical scheme of the utility model, the material of under coat selects one in polyvinyl alcohol, alkyd, acrylic acid emulsion, waterborne polyurethane.
As an optimized technical scheme of the utility model, the thickness of graphite alkene layer is 5 ~ 10 mu m.
As an optimized technical solution of the present invention, the material of the graphene layer is selected from one of aminated graphene, carboxylated graphene, and thiolated graphene.
As an optimized technical proposal of the utility model, the thickness of the bonding layer is 4 to 8 μm.
As an optimized technical scheme of the utility model, the top surface on antifouling layer is protruding structure.
As an optimized technical proposal of the utility model, the height of the convex structure is 5 to 10 μm.
As an optimized technical proposal of the utility model, the clearance of the convex structure is 10 to 15 μm.
As an optimized technical proposal of the utility model, the thickness of the cover coat is 0.5 to 2 μm.
Has the advantages that: the utility model provides a soil-resistant water based paint coating, through set up water proofness, wearability and the ageing-resistant performance that the top facing layer effectively improved and filmed on the surface, and based on the protruding structure of the special micron order in soil-resistant layer surface, a large amount of air are stored to the concave-convex structure on film surface within a definite time, under the synergistic effect of protruding structure, air and top facing layer, make the coating have better water proofness, have better soil-resistant effect to pollutants such as dust. In addition, the graphene layer in the coating film has a two-dimensional honeycomb-shaped lattice structure, so that the graphene layer has good adsorption and decomposition effects on infiltrated organic pollutants, bacteria generated by the substrate body, formaldehyde and other pollutants, and the coating has a good decomposition effect on the bacteria, the formaldehyde, the organic pollutants and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a structural diagram of the anti-soil water-based paint coating of the utility model.
The coating comprises a base layer 1, a base coat 2, a graphene layer 3, a bonding layer 4, a stain resistant layer 5, a raised structure 501 and an overcoat 6.
Detailed Description
The contents of the present invention can be more easily understood by referring to the following detailed description of the preferred embodiments of the present invention and the included examples. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The technical features of the technical solutions provided in the present invention will be described more clearly and completely with reference to the following detailed description, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "inside and outside" in the present invention means that the direction pointing to the inside of the product is inside and vice versa for the product itself, rather than being specifically limited to the product structure of the present invention.
The utility model discloses in the meaning of "upper and lower, left and right" indicates that the reader is just when the drawing, and the higher authority of the shown view of reader is promptly for last, and the lower level of reader is promptly for down, and the left side of reader is promptly for left, and the right of reader is promptly for right, and is not right the utility model discloses a specific limited of product structure.
The meaning of "and/or" in the present invention means that they exist individually or both at the same time.
The meaning of "first, second, third" in the present invention is to distinguish the same structural feature in the product, not to the order limitation of the product structure of the present invention.
The present invention is illustrated below by way of specific examples, but is not limited to the specific examples given below.
Referring to the attached drawing 1, the utility model provides a antifouling waterborne coating, the coating includes basic unit 1, under coat 2, graphite alkene layer 3, tie coat 4, antifouling layer 5, finish coat 6 from bottom to top.
The utility model discloses in right basic unit 1 does not do special injecing, can be for building, metal, plastics, glass, carpenter.
In some embodiments, the primer layer 2 has a thickness of 10 to 15 μm; preferably, the thickness of the primer layer 2 is 12 μm.
In some embodiments, the material of the primer layer 2 is selected from one of polyvinyl alcohol, alkyd resin, acrylic emulsion, and aqueous polyurethane; preferably, the material of the primer layer 2 is selected from acrylic emulsion, including but not limited to styrene-acrylic emulsion, silicone-acrylic emulsion, and commercially available, such as 9218 styrene-acrylic emulsion, 9661A silicone-acrylic emulsion, and JBH-1 acrylic emulsion, available from Shanghai Jippon chemical Co., Ltd.
In some embodiments, the graphene layer 3 has a thickness of 5 to 10 μm; preferably, the thickness of the graphene layer 3 is 8 μm.
In some embodiments, the material of the graphene layer 3 is selected from one of aminated graphene, carboxylated graphene, and thiolated graphene; preferably, the material of the graphene layer 3 is selected from carboxylated graphene, which can be obtained commercially, for example, from Nanjing Xiancheng nanomaterial science and technology Co., Ltd, with the serial number of XF048 carboxylated graphene.
In some embodiments, the bonding layer 4 has a thickness of 4 to 8 μm; preferably, the thickness of the adhesive layer 4 is 6 μm. The material of the bonding layer 4 in the present invention is not limited, and includes but not limited to silicone adhesive, acrylic emulsion, vinyl acetate-ethylene copolymer emulsion.
In some embodiments, the upper surface of the anti-stain layer 5 is a raised structure 501.
In some embodiments, the height of the protruding structures 501 is 5-10 μm; preferably, the height of the protruding structure 501 is 6 to 8 μm.
In some embodiments, the gaps of the protruding structures 501 are 10-15 μm; preferably, the gap of the convex structure 501 is 12-14 μm.
In the present invention, the thickness of the anti-fouling layer 5 is preferably 15 to 25 μm, and more preferably 20 μm. The material of the antifouling layer 5 is preferably polypropylene aqueous dispersion with the particle size of 20-50 nm, the 20-50 nm polypropylene aqueous dispersion is prepared according to patent CN103304825B, then the polypropylene aqueous dispersion is uniformly coated on the surface of the bonding layer by adopting a spraying mode, the treatment is carried out by natural or artificial illumination, the antifouling layer with a convex structure above the bonding layer is formed by polypropylene, and the height and the gap of the convex structure are controlled by controlling the spraying density, the spraying amount and the spraying time.
In some embodiments, the overcoat 6 has a thickness of 0.5 to 2 μm; preferably, the thickness of the overcoat layer 6 is 0.8 μm. The utility model discloses in the top facing mainly plays waterproof, reinforcing coating wearability and ageing resistance's effect to prevent that the protruding structure of antibiotic layer from being destroyed in long-term use, it is consequently right the material of top facing does not do special injecing, can select for commercially available epoxy, adopts the mode of spraying, forms the top facing on the anti-soil layer, the protruding structure on top facing laminating anti-soil layer surface, in order to prevent that the top facing is too thick, the structural effect that leads to anti-soil layer is not obvious, and the thickness that needs to control the top facing is at 0.5 ~ 2 mu m within range.
The utility model discloses a set up the water proofness that the top facing layer can effectively improve and film on the surface, wearability and ageing resistance, and based on the special micron order protruding structure in anti-soil layer surface, a large amount of air are stored between the concave-convex structure on film surface, at protruding structure, under the synergism of air and top facing layer, pollutants such as dust and rainwater are because the volume is great, can only with protruding formation point contact, can't get into inside filming, liquid drops such as rainwater form the globoid under the surface tension effect of self, can take away the dust simultaneously in rolling, and then realize better hydrophobic anti-soil performance. In addition, the inside graphite alkene layer of filming has two-dimentional honeycomb lattice structure, has better adsorption and decomposition to the organic pollutant of infiltration, the bacterium that basic unit's body produced, pollutants such as formaldehyde, nevertheless in order to guarantee comparatively sufficient adsorption site and adsorption space, need regulate and control graphite alkene layer's thickness at 5 ~ 10 mu m, and because pi-pi interact and van der waals ' force can influence graphite alkene layer special honeycomb between the graphite alkene layer sheet layer, consequently the utility model discloses a carboxylated graphite alkene, its active group that has not only make graphite alkene layer keep better spatial structure, and form better adsorption with the undercoat.
The utility model discloses in anti-soil water based paint coating, if do not have other explanations, all adopt modes such as conventional spraying, roll coating, knife coating to coat in order on the object surface, can adopt the binder to connect through the adsorption action or the effort between other chemical bonds is connected between each layer. In addition, in the present invention, products without other descriptions are commercially available.
Examples
Example 1
Referring to the attached drawing 1, the embodiment provides an anti-fouling water-based paint coating, which comprises a base layer 1, an undercoat layer 2, a graphene layer 3, an adhesive layer 4, an anti-fouling layer 5 and an overcoat layer 6 from bottom to top, wherein the base layer 1 is a cement board, the thicknesses of all the layers except the base layer 1 are respectively 12 microns, 8 microns, 6 microns, 20 microns and 0.8 micron in sequence, a raised structure 501 is arranged on the upper surface of the anti-fouling layer, the height of the raised structure 501 is 6-8 microns, and the gap is 12-14 microns.
Example 2
Referring to the attached drawing 1, the embodiment provides an anti-fouling water-based paint coating, which comprises a base layer 1, an undercoat layer 2, a graphene layer 3, an adhesive layer 4, an anti-fouling layer 5 and an overcoat layer 6 from bottom to top, wherein the base layer 1 is a cement board, the thicknesses of all the layers except the base layer 1 are respectively 12 microns, 3 microns, 6 microns, 20 microns and 0.8 micron in sequence, a raised structure 501 is arranged on the upper surface of the anti-fouling layer, the height of the raised structure 501 is 6-8 microns, and the gap is 12-14 microns.
Example 3
Referring to the attached drawing 1, the embodiment provides an anti-fouling water-based paint coating, which comprises a base layer 1, an undercoat layer 2, a graphene layer 3, a bonding layer 4, an anti-fouling layer 5 and an overcoat layer 6 from bottom to top, wherein the base layer 1 is a cement board, the thicknesses of all the layers except the base layer 1 are respectively 12 microns, 8 microns, 6 microns, 20 microns and 0.8 micron in sequence, a raised structure 501 is arranged on the upper surface of the anti-fouling layer, the height of the raised structure 501 is less than 5 microns, and the gap is 12-14 microns.
Example 4
Referring to the attached drawing 1, the embodiment provides an anti-fouling water-based paint coating, which comprises a base layer 1, an undercoat layer 2, a graphene layer 3, a bonding layer 4, an anti-fouling layer 5 and an overcoat layer 6 from bottom to top, wherein the base layer 1 is a cement board, the thicknesses of all the layers except the base layer 1 are respectively 12 microns, 8 microns, 6 microns, 20 microns and 0.8 micron in sequence, a raised structure 501 is arranged on the upper surface of the anti-fouling layer, the height of the raised structure 501 is 6-8 microns, and the gap is greater than 20 microns.
Performance testing
Examples 1-4 were examined with reference to GB/T9755-2016, and the results are shown in Table 1.
TABLE 1
The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure, and other structures can refer to common designs. Furthermore, for the sake of clarity, the thicknesses of layers in the drawings used to describe embodiments of the present disclosure are exaggerated or reduced, i.e., the drawings are not drawn to actual scale.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. The anti-fouling water-based paint coating is characterized by comprising a base layer, a bottom coating layer, a graphene layer, a bonding layer, an anti-fouling layer and a finishing layer from bottom to top.
2. The antifouling aqueous paint coating of claim 1, wherein the thickness of the primer coating is 10 to 15 μm.
3. The antifouling waterborne coating of claim 1, wherein the primer layer is made of one material selected from the group consisting of polyvinyl alcohol, alkyd resin, acrylic emulsion, and waterborne polyurethane.
4. The antifouling waterborne coating of claim 1, wherein the graphene layer has a thickness of 5-10 μm.
5. The anti-fouling aqueous coating material coating layer according to claim 1, wherein the graphene layer is made of one material selected from aminated graphene, carboxylated graphene and sulfhydrylated graphene.
6. The antifouling aqueous paint coating of claim 1, wherein the thickness of the bonding layer is 4-8 μm.
7. The soil resistant aqueous coating material of claim 1 wherein the upper surface of the soil resistant layer is a raised structure.
8. The antifouling aqueous paint coating of claim 7, wherein the height of the protruding structures is 5-10 μm.
9. The antifouling aqueous paint coating of claim 7, wherein the gaps of the protruding structures are 10-15 μm.
10. The antifouling waterborne coating of claim 1, wherein the overcoat has a thickness of 0.5 to 2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470939.5U CN212002005U (en) | 2020-04-02 | 2020-04-02 | Anti-fouling water-based paint coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470939.5U CN212002005U (en) | 2020-04-02 | 2020-04-02 | Anti-fouling water-based paint coating |
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| Publication Number | Publication Date |
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| CN212002005U true CN212002005U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020470939.5U Active CN212002005U (en) | 2020-04-02 | 2020-04-02 | Anti-fouling water-based paint coating |
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| CN (1) | CN212002005U (en) |
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