CN210001808U - Graphene anti-corrosion coating structure of -time equipment in coastal region - Google Patents
Graphene anti-corrosion coating structure of -time equipment in coastal region Download PDFInfo
- Publication number
- CN210001808U CN210001808U CN201920393723.0U CN201920393723U CN210001808U CN 210001808 U CN210001808 U CN 210001808U CN 201920393723 U CN201920393723 U CN 201920393723U CN 210001808 U CN210001808 U CN 210001808U
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- Prior art keywords
- coating
- graphene
- equipment
- graphite alkene
- zinc
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- 239000011248 coating agent Substances 0.000 title claims abstract description 67
- 238000000576 coating method Methods 0.000 title claims abstract description 67
- 238000005260 corrosion Methods 0.000 title claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 70
- 229910021389 graphene Inorganic materials 0.000 title claims description 70
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 24
- 239000011701 zinc Substances 0.000 claims abstract description 24
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 16
- 239000010439 graphite Substances 0.000 claims abstract description 16
- -1 graphite alkene Chemical class 0.000 claims abstract description 16
- 239000004642 Polyimide Substances 0.000 claims abstract description 13
- 229920001721 polyimide Polymers 0.000 claims abstract description 13
- 229920000180 alkyd Polymers 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims description 17
- 229920000647 polyepoxide Polymers 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 239000004593 Epoxy Substances 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 230000001580 bacterial effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model provides a graphite alkene anticorrosive coating structure of equipment in coastal areas, including coating in the epoxy zinc graphite alkene coating on equipment surface, zinc disperses in epoxy with powder form, coating in the graphite alkene polyimide coating on epoxy zinc graphite alkene coating surface, coating in the oxidation graphite alkene polyurethane coating on graphite alkene polyimide coating surface, coating in the oxidation graphite alkene alkyd resin coating on oxidation graphite alkene polyurethane coating surface, the utility model provides a graphite alkene anticorrosive coating structure of equipment in coastal areas, it can prevent that the bacterial colony from at equipment surface adhesion and growth, can prevent or slow down the oxidation corrosion of equipment surface metal.
Description
Technical Field
The utility model relates to a graphite alkene anticorrosive coating technical field especially relates to the graphite alkene anticorrosive coating structure of equipment in kinds of coastal areas.
Background
At present, the most effective and direct anti-corrosion method is to coat anti-corrosion paint on the surface of metal to prevent or slow down the corrosion of the metal, and the anti-corrosion coating of -time equipment in the coastal region has the characteristics of preventing the adhesion and growth of bacteria on the surface of the equipment for times and preventing or slowing down the oxidation and corrosion of the metal on the surface of the equipment for times.
Disclosure of Invention
An object of the utility model is to provide a graphite alkene anticorrosive coating structure of equipment in kinds of coastal areas, it can prevent that the bacterial colony from attaching to and growing, can prevent or slow down equipment surface metal's oxidation corrosion at time equipment surface.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
graphene anticorrosion coating structure of devices in coastal regions, comprising:
the epoxy resin zinc graphene coating is coated on the surface of times of equipment, and zinc is dispersed in the epoxy resin in a powder form;
the graphene polyimide coating is coated on the surface of the epoxy resin zinc graphene coating;
the graphene oxide polyurethane coating is coated on the surface of the graphene polyimide coating;
and the graphene oxide alkyd resin coating is coated on the surface of the graphene oxide polyurethane coating.
And , the fineness of the zinc powder in the epoxy resin zinc graphene coating is 0.25-3 mu m.
, the thickness of the epoxy resin zinc graphene coating is 100-180 mu m
, the thickness of the graphene polyimide coating is 100-150 μm.
, the thickness of the graphene oxide polyurethane coating is 70-120 μm.
, the thickness of the graphene oxide alkyd resin coating is 60-100 μm.
After the technical scheme is adopted, the utility model has the advantages of as follows:
the graphene oxide alkyd resin coating arranged on the surface has good acid corrosion resistance, and can obviously inhibit the growth of escherichia coli, staphylococcus aureus and pseudomonas aeruginosa.
The graphene polyimide coating has good corrosion resistance and lower oxygen permeability.
In the graphene oxide polyurethane coating, graphene oxide can be uniformly dispersed in polyurethane, and polyisocyanate and graphene oxide form tight combination through chemical bonds, so that the graphene oxide polyurethane coating has good barrier capability to water and chloride ions.
The method comprises the steps of , enabling the surface of the epoxy resin zinc graphene coating to be rough by the zinc powder, enabling the contact surface of the epoxy resin zinc graphene coating and a graphene oxide polyurethane coating to be enlarged and enabling the adhesion to be enhanced, enabling graphene in the epoxy resin zinc graphene coating to be dispersed in a sheet shape and playing two roles, wherein is a physical anticorrosion mechanism according to the principle that graphene has hydrophobic and oleophobic properties and a sheet structure has a labyrinth effect and can block permeation of water, oxygen, corrosive ions and the like to a metal substrate and delay the corrosion rate of the metal substrate, and secondly, a conductive mechanism is realized by connecting the graphene with conductive graphene with discontinuous zinc powder to form a conductive network and enabling the zinc powder to be used as an anode for sacrificing, so that the purpose of protecting the steel substrate serving as the cathode is achieved.
Drawings
The present invention is further described in with reference to the following drawings:
fig. 1 is a schematic structural diagram of a graphene anticorrosion coating structure of times of equipment in a coastal region in an embodiment.
Detailed Description
The present invention will be described in further detail in with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the utility model provides a graphite alkene anticorrosive coating structure of equipments in coastal areas, including coating in epoxy zinc graphite alkene coating 2 on time equipment base plate 1 surface, zinc disperses in epoxy with the powder form, coating in graphene polyimide coating 3 on epoxy zinc graphite alkene coating 2 surface, coating in graphene oxide polyurethane coating 4 on graphene polyimide coating 3 surface, coating in graphene oxide alkyd coating 5 on graphene oxide polyurethane coating 4 surface.
The graphene oxide alkyd resin coating 5 arranged on the surface has good acid corrosion resistance, and can obviously inhibit the growth of escherichia coli, staphylococcus aureus and pseudomonas aeruginosa.
The graphene polyimide coating 4 has good corrosion resistance and low oxygen permeability.
In the graphene oxide polyurethane coating 3, graphene oxide can be uniformly dispersed in polyurethane, and the polyisocyanate and the graphene oxide form tight combination through chemical bonds, so that the graphene oxide polyurethane coating has good barrier capability to water and chloride ions.
The method comprises the following steps of , enabling the surface of the epoxy resin zinc graphene coating to be rough by the zinc powder, enabling the contact surface of the epoxy resin zinc graphene coating and a graphene oxide polyurethane coating to be enlarged, and enabling the adhesion to be enhanced, enabling graphene in the epoxy resin zinc graphene coating to be dispersed in a flaky form and playing two roles, wherein is a physical anticorrosion mechanism according to the principle that graphene has hydrophobic and oleophobic properties, and a lamellar structure has a labyrinth effect and can block permeation of water, oxygen, corrosive ions and the like to a metal substrate and delay the corrosion rate of the metal substrate, and secondly, a conductive mechanism is adopted according to the principle that graphene with conductivity is connected with the zinc powder discontinuously to form a conductive network and enable the zinc powder to be used as an anode for sacrificing, so that the purpose of protecting the steel substrate serving as the cathode is achieved.
In this embodiment, the fineness of the zinc powder in the epoxy resin zinc graphene coating 2 is 0.25 to 3 μm.
In this embodiment, the thickness of the epoxy zinc graphene coating 2 is 100 to 180 μm
In this embodiment, the thickness of the graphene polyimide coating 3 is 100-150 μm.
In this embodiment, the thickness of the graphene oxide polyurethane coating 4 is 70 to 120 μm.
In this embodiment, the graphene oxide alkyd resin coating 5 has a thickness of 60 to 100 μm.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (6)
1. Graphite alkene anticorrosive coating structure of time equipment in coastal region, its characterized in that includes:
the epoxy resin zinc graphene coating is coated on the surface of times of equipment, and zinc is dispersed in the epoxy resin in a powder form;
the graphene polyimide coating is coated on the surface of the epoxy resin zinc graphene coating;
the graphene oxide polyurethane coating is coated on the surface of the graphene polyimide coating;
and the graphene oxide alkyd resin coating is coated on the surface of the graphene oxide polyurethane coating.
2. The graphene anti-corrosion coating structure for times of equipment in the coastal region according to claim 1, wherein the fineness of the zinc powder in the epoxy resin zinc graphene coating is 0.25-3 μm.
3. The graphene anticorrosion coating structure for times of equipment in coastal areas according to claim 1, wherein the thickness of the epoxy resin zinc graphene coating is 100-180 μm.
4. The graphene anticorrosion coating structure for secondary devices in the coastal region of claim 1, wherein the thickness of the graphene polyimide coating is 100-150 μm.
5. The graphene anticorrosion coating structure for times of equipment in coastal areas according to claim 1, wherein the thickness of the graphene oxide polyurethane coating is 70-120 μm.
6. The graphene anticorrosion coating structure for times of equipment in coastal areas according to claim 1, wherein the graphene oxide alkyd resin coating has a thickness of 60-100 μm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060388 | 2019-01-15 | ||
| CN2019200603882 | 2019-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210001808U true CN210001808U (en) | 2020-01-31 |
Family
ID=69300279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920393723.0U Active CN210001808U (en) | 2019-01-15 | 2019-03-26 | Graphene anti-corrosion coating structure of -time equipment in coastal region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210001808U (en) |
-
2019
- 2019-03-26 CN CN201920393723.0U patent/CN210001808U/en active Active
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