CN110922797A - Anticorrosive nano coating and preparation method thereof - Google Patents
Anticorrosive nano coating and preparation method thereof Download PDFInfo
- Publication number
- CN110922797A CN110922797A CN201911310681.0A CN201911310681A CN110922797A CN 110922797 A CN110922797 A CN 110922797A CN 201911310681 A CN201911310681 A CN 201911310681A CN 110922797 A CN110922797 A CN 110922797A
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- nano
- anticorrosive
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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
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
The invention discloses an anticorrosive nano coating which is formed by spraying anticorrosive nano paint, wherein the anticorrosive nano paint comprises the following components in parts by weight: 70-80 parts of water, 15-25 parts of a water glass colloidal solution, 2-8 parts of nano zinc oxide, 1-5 parts of nano magnesium oxide and 15-25 parts of nano graphene. The invention discloses an anticorrosive nano coating which can improve the anticorrosive performance and the durability of a fastener.
Description
Technical Field
The invention relates to the field of coatings, in particular to an anticorrosive nano-coating.
Background
The fastener is the basis of industrial industry development, and directly influences the quality and safety of the mechanical integral product. However, the fastener may suffer from problems such as loosening, rusting, seizure, and even breakage during use, and the occurrence of these phenomena presents a significant safety risk and even a serious accident. Therefore, the fastener is very important in quality, correct installation, use, maintenance, inspection and development of high-performance protective coatings, and people pay high attention to the fastener. In addition, fasteners used in marine environments or coastal areas need to have excellent corrosion resistance.
Common anticorrosive coatings are: the coating adopts organic polymers as base materials, has the advantages of short curing time of a film layer, low curing temperature, convenient construction and the like, and is widely used for corrosion prevention of metal surfaces of buildings, bridges, ships and the like. However, these anticorrosion coatings are not suitable for use in high temperature or highly corrosive environments because they use organic polymers as the substrate. There is a need for a new type of corrosion resistant coating that is suitable for use in high temperature or highly corrosive environments.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an anticorrosive nano coating to improve the anticorrosive performance and the durability of a fastener.
In order to achieve the purpose, the invention provides the following technical scheme: the anticorrosive nano coating is formed by spraying anticorrosive nano coating, and the anticorrosive nano coating comprises the following components in parts by weight: 70-80 parts of water, 15-25 parts of a water glass colloidal solution, 2-8 parts of nano zinc oxide, 1-5 parts of nano magnesium oxide and 15-25 parts of nano graphene.
Preferably, the average particle size of the nano graphene is 20-30 mm.
Preferably, the water glass colloidal solution is synthesized by adding alkali into silane and adopting a sol-gel method.
A preparation method of an anticorrosive nano-coating comprises the following steps:
A. adding an alkali solution into silane, and preparing a water glass colloidal solution by adopting a sol-gel method;
B. adding the water glass colloidal solution into water, and adding nano graphene for mixing;
C. adding nano magnesium oxide and nano zinc oxide into the mixed solution, and fully stirring to form the anticorrosive nano coating;
D. carrying out sand blasting treatment on the surface of the fastener, and then spraying the anticorrosive nano-coating on the surface of the fastener by utilizing compressed air to carry out air spraying treatment;
E. standing and curing for 24h after spraying, then sending into a baking furnace, and baking for 5-7 h at 350-370 ℃ to form the anticorrosive nano coating.
Preferably, the spraying frequency of the air spraying is 3-5 times, the time interval between every two spraying is 6 hours, and the pressure value of the compressed air is 0.8-1.0 MPa.
Compared with the prior art, the anticorrosive nano-coating disclosed by the invention has the advantages of strong corrosion resistance, simple production process, easily obtained required raw materials and suitability for large-scale production.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the contents of the present invention.
The first embodiment:
the anticorrosive nano coating disclosed by the invention is formed by spraying anticorrosive nano paint, and the anticorrosive nano paint comprises the following components in parts by weight: 70 parts of water, 15 parts of a water glass colloidal solution, 2 parts of nano zinc oxide, 1 part of nano magnesium oxide and 15 parts of nano graphene.
A preparation method of an anticorrosive nano-coating comprises the following steps:
A. adding an alkali solution into silane, and preparing a water glass colloidal solution by adopting a sol-gel method;
B. adding the water glass colloidal solution into water, and adding nano graphene for mixing;
C. adding nano magnesium oxide and nano zinc oxide into the mixed solution, and fully stirring to form the anticorrosive nano coating;
D. carrying out sand blasting treatment on the surface of the fastener, and then spraying the anticorrosive nano coating on the surface of the fastener by using compressed air with the pressure value of 0.8MPa, wherein the spraying times are 3 times, and the time interval between each spraying is 6 hours;
E. standing and curing for 24h after spraying, then sending into a baking furnace, and baking for 5h at 350 ℃ to form the anticorrosive nano coating.
Second embodiment:
the anticorrosive nano coating disclosed by the invention is formed by spraying anticorrosive nano paint, and the anticorrosive nano paint comprises the following components in parts by weight: 75 parts of water, 20 parts of a water glass colloidal solution, 5 parts of nano zinc oxide, 3 parts of nano magnesium oxide and 19 parts of nano graphene.
A preparation method of an anticorrosive nano-coating comprises the following steps:
A. adding an alkali solution into silane, and preparing a water glass colloidal solution by adopting a sol-gel method;
B. adding the water glass colloidal solution into water, and adding nano graphene for mixing;
C. adding nano magnesium oxide and nano zinc oxide into the mixed solution, and fully stirring to form the anticorrosive nano coating;
D. carrying out sand blasting treatment on the surface of the fastener, and then spraying the anticorrosive nano coating on the surface of the fastener by using compressed air with the pressure value of 0.9MPa, wherein the spraying times are 4 times, and the time interval between each spraying is 6 hours;
E. standing and curing for 24h after spraying, then sending into a baking furnace, and baking for 6h at 360 ℃ to form the anticorrosive nano coating.
The third embodiment:
the anticorrosive nano coating disclosed by the invention is formed by spraying anticorrosive nano paint, and the anticorrosive nano paint comprises the following components in parts by weight: 80 parts of water, 25 parts of a water glass colloidal solution, 8 parts of nano zinc oxide, 5 parts of nano magnesium oxide and 25 parts of nano graphene.
A preparation method of an anticorrosive nano-coating comprises the following steps:
A. adding an alkali solution into silane, and preparing a water glass colloidal solution by adopting a sol-gel method;
B. adding the water glass colloidal solution into water, and adding nano graphene for mixing;
C. adding nano magnesium oxide and nano zinc oxide into the mixed solution, and fully stirring to form the anticorrosive nano coating;
D. carrying out sand blasting treatment on the surface of the fastener, and then spraying the anticorrosive nano coating on the surface of the fastener by utilizing compressed air with the pressure value of 1.0MPa, wherein the spraying times are 5 times, and the time interval between each spraying is 6 hours;
E. standing and curing for 24h after spraying, then sending into a baking furnace, and baking for 7h at 370 ℃ to form the anticorrosive nano coating.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (5)
1. An anticorrosive nanometer coating is formed by spraying anticorrosive nanometer paint, and is characterized in that: the anticorrosive nano-coating comprises the following components in parts by weight: 70-80 parts of water, 15-25 parts of a water glass colloidal solution, 2-8 parts of nano zinc oxide, 1-5 parts of nano magnesium oxide and 15-25 parts of nano graphene.
2. The corrosion protective nanocoating of claim 1, wherein: the average particle size of the nano graphene is 20-30 mm.
3. The corrosion protective nanocoating of claim 1, wherein: the sodium silicate colloidal solution is synthesized by adding alkali into silane and adopting a sol-gel method.
4. A method for preparing the anticorrosive nano-coating of claim 1, characterized by comprising the steps of:
A. adding an alkali solution into silane, and preparing a water glass colloidal solution by adopting a sol-gel method;
B. adding the water glass colloidal solution into water, and adding nano graphene for mixing;
C. adding nano magnesium oxide and nano zinc oxide into the mixed solution, and fully stirring to form the anticorrosive nano coating;
D. carrying out sand blasting treatment on the surface of the fastener, and then spraying the anticorrosive nano-coating on the surface of the fastener by utilizing compressed air to carry out air spraying treatment;
E. standing and curing for 24h after spraying, then sending into a baking furnace, and baking for 5-7 h at 350-370 ℃ to form the anticorrosive nano coating.
5. The method of preparing an anti-corrosion nanocoating according to claim 4, characterized in that: the spraying frequency of the air spraying is 3-5 times, the time interval between every two spraying is 6 hours, and the pressure value of the compressed air is 0.8-1.0 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911310681.0A CN110922797A (en) | 2019-12-18 | 2019-12-18 | Anticorrosive nano coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911310681.0A CN110922797A (en) | 2019-12-18 | 2019-12-18 | Anticorrosive nano coating and preparation method thereof |
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| CN110922797A true CN110922797A (en) | 2020-03-27 |
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| CN201911310681.0A Pending CN110922797A (en) | 2019-12-18 | 2019-12-18 | Anticorrosive nano coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289277A (en) * | 2021-12-29 | 2022-04-08 | 南通达克罗新材料科技有限公司 | Wear-resistant coating for fastener and preparation method thereof |
| CN115247004A (en) * | 2021-04-28 | 2022-10-28 | 南通达克罗新材料科技有限公司 | Nano coating with anticorrosion effect and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146235A (en) * | 2013-03-11 | 2013-06-12 | 华东师范大学 | Nano metal anticorrosion coating material, and preparation and application thereof |
| CN103305773A (en) * | 2013-06-09 | 2013-09-18 | 王满玉 | Preparation method of anti-corrosion high-temperature-resistant wear-resistant casting pipe |
| CN109912308A (en) * | 2019-04-18 | 2019-06-21 | 安徽省博润电力技术有限公司 | A kind of anti-corrosion anti-coking high-temperature nano ceramic coating and its spraying process |
-
2019
- 2019-12-18 CN CN201911310681.0A patent/CN110922797A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146235A (en) * | 2013-03-11 | 2013-06-12 | 华东师范大学 | Nano metal anticorrosion coating material, and preparation and application thereof |
| CN103305773A (en) * | 2013-06-09 | 2013-09-18 | 王满玉 | Preparation method of anti-corrosion high-temperature-resistant wear-resistant casting pipe |
| CN109912308A (en) * | 2019-04-18 | 2019-06-21 | 安徽省博润电力技术有限公司 | A kind of anti-corrosion anti-coking high-temperature nano ceramic coating and its spraying process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247004A (en) * | 2021-04-28 | 2022-10-28 | 南通达克罗新材料科技有限公司 | Nano coating with anticorrosion effect and preparation process thereof |
| CN114289277A (en) * | 2021-12-29 | 2022-04-08 | 南通达克罗新材料科技有限公司 | Wear-resistant coating for fastener and preparation method thereof |
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