CN110982306A - Super-hydrophobic coating for vehicles and preparation method thereof - Google Patents
Super-hydrophobic coating for vehicles and preparation method thereof Download PDFInfo
- Publication number
- CN110982306A CN110982306A CN201911195912.8A CN201911195912A CN110982306A CN 110982306 A CN110982306 A CN 110982306A CN 201911195912 A CN201911195912 A CN 201911195912A CN 110982306 A CN110982306 A CN 110982306A
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- Prior art keywords
- coating
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- hydrophobic
- vehicle
- hydrophobic coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a super-hydrophobic coating for a vehicle, which comprises the following materials: nano titanium dioxide, absolute ethyl alcohol, tridecafluorooctyltriethoxysilane and antifreeze fluid; the diameter of the nano titanium dioxide is 40 nm; the purity of the tridecafluorooctyltriethoxysilane is 95%. The super-hydrophobic coating for the vehicle and the preparation method thereof improve the anti-freezing maintenance of the vehicle body by the hydrophobic coating for the vehicle in winter and enlarge the service performance of the super-hydrophobic coating in the coating for the automobile industry by adding the anti-freezing solution.
Description
Technical Field
The invention relates to the technical field of hydrophobic coatings, in particular to a super-hydrophobic coating for a vehicle and a preparation method thereof.
Background
The hydrophobic coating is a low surface energy coating with a static water contact angle theta of a coating film on a smooth surface larger than 90 degrees, while the super-hydrophobic coating is a novel coating with special surface properties, namely a solid coating with a water contact angle larger than 150 degrees and a water contact angle lag smaller than 5 degrees, has the important characteristics of water resistance, fog resistance, snow resistance, pollution resistance, adhesion resistance, oxidation resistance, corrosion resistance, self-cleaning, current conduction prevention and the like, and has wide application prospects in various fields of scientific research, production, life and the like.
The use of superhydrophobic coatings in the automotive industry also requires consideration of weather effects, and therefore higher requirements and standards are being placed on superhydrophobic coatings.
Disclosure of Invention
The invention aims to provide a vehicle super-hydrophobic coating and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a super-hydrophobic coating for vehicles comprises the following materials: nano titanium dioxide, absolute ethyl alcohol, tridecafluorooctyltriethoxysilane and an antifreezing solution.
Preferably, the diameter of the nano titanium dioxide is 40 nm.
Preferably, the purity of the tridecafluorooctyltriethoxysilane is 95%.
Preferably, the preparation method of the vehicle super-hydrophobic coating comprises the following steps:
(1) 1 g of fluorosilane is added into 99 g of absolute ethyl alcohol, and the mixture is stirred for 10min by magnetic force to be mixed evenly.
(2) Then 15 g of titanium dioxide particles with the diameter of about 40nm are added into the mixed solution, and the mixture is magnetically stirred for more than 30min, thus obtaining the required super-hydrophobic self-cleaning coating.
(3) For hard substrate materials such as aluminum and the like, when a coating is prepared, the surface of a substrate needs to be sequentially polished by No. 800 and No. 1500 sandpaper, ultrasonically cleaned by absolute ethyl alcohol and deionized water, and then dried.
(4) And (3) coating transparent adhesive on the area to be processed to enhance the mechanical strength of the coating, and preparing the coating by a pulling method, namely completely immersing the substrate into the coating, slowly pulling out the substrate after 30s, wherein the solution is attached to the adhesive coating area.
(5) Naturally drying the composite coating for 10min at room temperature, or drying in an oven to obtain the super-hydrophobic self-cleaning coating; for soft base materials such as sponge and the like, a coating is prepared by a dip-coating method, namely the coating is immersed in the mixed solution for 30s and then taken out, and the super-hydrophobic self-cleaning surface can be obtained after drying.
Preferably, the solution should maintain good sealing performance throughout the stirring process in step (1) to avoid failure.
Compared with the prior art, the invention has the beneficial effects that: the super-hydrophobic coating for the vehicle and the preparation method thereof improve the anti-freezing maintenance of the vehicle body by the hydrophobic coating for the vehicle in winter and enlarge the service performance of the super-hydrophobic coating in the coating for the vehicle industry by adding the anti-freezing solution.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The test materials and reagents mainly comprise: nano titanium dioxide, absolute ethyl alcohol, tridecafluorooctyl triethoxy silane and an antifreeze fluid; aluminum plate, glass, common sponge, cotton cloth, etc.
Example 1
A super-hydrophobic coating for a vehicle, which comprises the following materials: nano titanium dioxide, absolute ethyl alcohol, tridecafluorooctyltriethoxysilane and antifreeze fluid; the diameter of the nano titanium dioxide is 40 nm; the purity of the tridecafluorooctyltriethoxysilane was 95%.
(1) 1 g of fluorosilane is added into 99 g of absolute ethyl alcohol, and the mixture is stirred for 10min by magnetic force to be mixed evenly.
(2) Then 15 g of titanium dioxide particles with the diameter of about 40nm are added into the mixed solution, and the mixture is magnetically stirred for more than 30min, thus obtaining the required super-hydrophobic self-cleaning coating.
(3) For hard substrate materials such as aluminum and the like, when a coating is prepared, the surface of a substrate needs to be sequentially polished by No. 800 and No. 1500 sandpaper, ultrasonically cleaned by absolute ethyl alcohol and deionized water, and then dried.
(4) And (3) coating transparent adhesive on the area to be processed to enhance the mechanical strength of the coating, and preparing the coating by a pulling method, namely completely immersing the substrate into the coating, slowly pulling out the substrate after 30s, wherein the solution is attached to the adhesive coating area.
(5) Naturally drying the composite coating for 10min at room temperature, or drying in an oven to obtain the super-hydrophobic self-cleaning coating; for soft base materials such as sponge and the like, a coating is prepared by a dip-coating method, namely the coating is immersed in the mixed solution for 30s and then taken out, and the super-hydrophobic self-cleaning surface can be obtained after drying.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The super-hydrophobic coating for the vehicle is characterized by comprising the following components in parts by weight: the super-hydrophobic coating comprises the following materials: nano titanium dioxide, absolute ethyl alcohol, tridecafluorooctyltriethoxysilane and an antifreezing solution.
2. The super-hydrophobic coating for the vehicle as claimed in claim 1, wherein: the diameter of the nano titanium dioxide is 40 nm.
3. The super-hydrophobic coating for the vehicle as claimed in claim 1, wherein: the purity of the tridecafluorooctyltriethoxysilane is 95%.
4. The preparation method of the vehicle super-hydrophobic coating according to claim 1, characterized in that: the preparation method of the vehicle super-hydrophobic coating comprises the following steps:
(1) 1 g of fluorosilane is added into 99 g of absolute ethyl alcohol, and the mixture is stirred for 10min by magnetic force to be mixed evenly.
(2) Then 15 g of titanium dioxide particles with the diameter of about 40nm are added into the mixed solution, and the mixture is magnetically stirred for more than 30min, thus obtaining the required super-hydrophobic self-cleaning coating.
(3) For hard substrate materials such as aluminum and the like, when a coating is prepared, the surface of a substrate needs to be polished by 800# and 1500# sandpaper in sequence, and then is subjected to ultrasonic cleaning by absolute ethyl alcohol and deionized water and then is dried.
(4) And (3) coating transparent adhesive on the area to be processed to enhance the mechanical strength of the coating, and preparing the coating by a pulling method, namely completely immersing the substrate into the coating, slowly pulling out the substrate after 30s, wherein the solution is attached to the adhesive coating area.
(5) Naturally drying the composite coating for 10min at room temperature, or drying in an oven to obtain the super-hydrophobic self-cleaning coating; for soft base materials such as sponge and the like, a coating is prepared by a dip-coating method, namely the coating is immersed in the mixed solution for 30s and then taken out, and the super-hydrophobic self-cleaning surface can be obtained after drying.
5. The preparation method of the vehicle super-hydrophobic coating according to claim 4, characterized in that: in the whole stirring process of the step (1), the solution needs to keep good sealing performance to avoid failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911195912.8A CN110982306A (en) | 2019-11-28 | 2019-11-28 | Super-hydrophobic coating for vehicles and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911195912.8A CN110982306A (en) | 2019-11-28 | 2019-11-28 | Super-hydrophobic coating for vehicles and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110982306A true CN110982306A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911195912.8A Pending CN110982306A (en) | 2019-11-28 | 2019-11-28 | Super-hydrophobic coating for vehicles and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390457A (en) * | 2018-09-10 | 2019-02-26 | 天津大学 | Automatically cleaning LED encapsulation coating and preparation method thereof |
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- 2019-11-28 CN CN201911195912.8A patent/CN110982306A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390457A (en) * | 2018-09-10 | 2019-02-26 | 天津大学 | Automatically cleaning LED encapsulation coating and preparation method thereof |
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Application publication date: 20200410 |