CN112552782A - Multi-dimensional composite hydrophobic coating and preparation method thereof - Google Patents
Multi-dimensional composite hydrophobic coating and preparation method thereof Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 91
- 239000011248 coating agent Substances 0.000 title claims abstract description 88
- 239000002131 composite material Substances 0.000 title claims abstract description 69
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000002105 nanoparticle Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000010954 inorganic particle Substances 0.000 claims description 13
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000003980 solgel method Methods 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000005543 nano-size silicon particle Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000013008 thixotropic agent Substances 0.000 claims description 4
- KKYDYRWEUFJLER-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,10,10,10-heptadecafluorodecyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CCC(F)(F)F KKYDYRWEUFJLER-UHFFFAOYSA-N 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 230000003075 superhydrophobic effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 2
- 239000011246 composite particle Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
A multi-dimensional composite hydrophobic coating and a preparation method thereof are disclosed, the coating comprises the following components: 10-30% of polytetrafluoroethylene, 20-40% of waterborne epoxy resin, 1-10% of composite inorganic nanoparticles, 0.5-2% of auxiliary agent, 2-10% of additive and the balance of water; the preparation method of the coating comprises the following steps: (1) preparing a multi-dimensional composite coating; (2) filtering; (3) before the multi-dimensional composite coating is used, the heat is preserved for 0.2 to 1.5 hours at the temperature of between 25 and 50 ℃, and then the multi-dimensional composite coating is brushed, rolled or sprayed on a base material; (4) and (4) performing subsequent heat treatment on the coating. The coating has simple construction, low subsequent heat treatment temperature and good hydrophobic property.
Description
Technical Field
The invention relates to the technical field of coating preparation, in particular to a multi-dimensional composite hydrophobic coating and a preparation method thereof.
Background
It is generally accepted that water is considered to be a hydrophobic coating when the static contact angle of water with the coating is above 90 deg. and is considered to be a superhydrophobic coating when the static contact angle of water with the coating is above 150 deg.. The artificial super-hydrophobic coating has the functions of self-cleaning, corrosion resistance, resistance reduction of solid moving in water, fog prevention of solid in fog and the like on the solid exposed outdoors for a long time. The current methods for preparing the super-hydrophobic coating mainly comprise the following steps: etching, vapor deposition, layer-by-layer self-assembly, templating, sol-gel, and the like.
The super-hydrophobic property of the coating is related to the wettability of the material, and the surface wettability of the material depends on the surface chemistry and the surface morphology of the material, so that the surface chemistry and the surface morphology of the material can be effectively controlled. When the surface of the material has very low surface free energy, the material can show hydrophobicity; meanwhile, the microstructure of the surface of the material is relatively rough, so that the surface of the material is favorable for wrapping air to form a solid-gas composite surface, the free energy of the surface of the material can be reduced, and a good hydrophobic effect is generated. Therefore, by changing the structure and chemical composition of the coating surface and reducing the surface energy of the coating to make the coating become a super-hydrophobic surface (the contact angle is more than 150 ℃), the method becomes an effective way for preparing the super-hydrophobic coating.
Polytetrafluoroethylene (PTFE) has excellent self-lubricating, chemical corrosion and dielectric properties, as well as excellent high and low temperature stability and chemical stability, known as the king of plastics. PTFE also has a low surface energy and hydrophobicity is an important property of PTFE materials, however, the water contact angle of a smooth PTFE plane is between 98 and 112 ° and the hydrophobic properties are not good. For this reason, many researchers have conducted related studies to improve the hydrophobic properties of PTFE. Chinese patent 201510677241.4 discloses a super-hydrophobic coating prepared by a supercritical method, wherein the contact angle between a water drop and the surface is 150-165 degrees. The patent 201410163139.8 discloses that by controlling the sintering conditions of the post-treatment of the PTFE precursor film containing the fiber-forming carrier and by precisely controlling the sintering conditions by a temperature-programmed control method, the ultrafine fiber mesh film with intact fiber morphology and a beaded structure is obtained, and the ultrafine fiber mesh film has superhydrophobic property.
The improvement method aiming at the hydrophobic property of the PTFE is mostly carried out from a surface structure, but has higher requirements on the temperature resistance of a material system, the coating needs to be subjected to heat treatment at the temperature of more than 300 ℃, the preparation process is complex, the production period is long, the cost is high, the construction of large-area coatings and no heat treatment condition is not facilitated, and the industrial production and application of the PTFE as the super-hydrophobic coating are limited.
Disclosure of Invention
Aiming at the defects, the invention provides a multi-dimensional composite hydrophobic coating and a preparation method thereof.
Firstly, the invention provides a technical scheme that: the multidimensional composite hydrophobic coating comprises the following components: 10-30% of polytetrafluoroethylene, 20-40% of waterborne epoxy resin, 1-10% of composite inorganic nanoparticles, 0.5-2% of auxiliary agent, 2-10% of additive and the balance of water; the preparation method of the composite inorganic particles adopts nano silicon dioxide or silicon carbide prepared by a sol-gel method to coat graphene or graphite;
the auxiliary agent is a silane coupling agent or heptadecafluorodecyltrimethoxysilane;
the additive comprises a dispersing agent, a defoaming agent, a thixotropic agent and a pigment.
Secondly, the invention provides a technical scheme of a preparation method, which comprises the following steps:
(1) preparing a multi-dimensional composite coating: adding polytetrafluoroethylene, water-based epoxy resin, composite inorganic nanoparticles, an auxiliary agent, an additive and water in batches, and stirring strongly or oscillating ultrasonically to obtain a modified multi-dimensional composite coating;
further, the composite inorganic particles and the solid additive are added in a dispersion mode, namely the composite inorganic particles are screened by a sieve or sprayed out from a nozzle by using compressed gas as a dispersing agent;
(2) and (3) filtering: standing the stirred multi-dimensional composite coating for not less than 10 hours, and filtering the coating by using gauze or a sieve;
(3) preparing a multi-dimensional composite hydrophobic coating: before the multi-dimensional composite coating is used, the heat is preserved for 0.2 to 1.5 hours at the temperature of between 25 and 50 ℃, and then the multi-dimensional composite coating is brushed, rolled or sprayed on a base material;
(4) subsequent heat treatment of the coating: after the pre-curing is completed, the multi-dimensional composite hydrophobic coating is subjected to heat preservation for 10-60 min at the temperature of 60-150 ℃.
The invention has the following advantages:
1. by adopting polytetrafluoroethylene/epoxy resin and composite inorganic particles, the potential of hydrophobic property of the coating is fully excavated from two aspects of resin matrix and filler; the invention comprehensively utilizes the low surface energy of the polytetrafluoroethylene, the low price of the water-based epoxy resin, the surface effect of the nano silicon dioxide or silicon carbide and the graphite or the graphene and the modification of the water-based epoxy resin; CF on a Polytetrafluoroethylene molecular chain3and-CF2The surface energy of the groups is extremely low, so that the hydrophobic property of the nano-scale silicon dioxide or silicon carbide particles can be greatly improved; the silicon dioxide or the silicon carbide interacts with long-chain alkane in the resin, and the bonding force between the silicon dioxide or the silicon carbide and the waterborne epoxy resin can be modified, so that the waterborne epoxy resin has hydrophobicity; the sol-gel method is adopted to prepare the composite inorganic particles, so that the irregularity of the surfaces of the composite particles can be greatly improved, and more rough structures can be constructed on the surfaces of the coatings; the sol-gel method for preparing the coating layer composite particles can not realize perfect coating, so that the surface characteristics of graphene or graphite and the modification of resin can be comprehensively utilized. Therefore, the potential of polytetrafluoroethylene, aqueous epoxy resin, silicon dioxide or silicon carbide, graphite or graphene for improving the hydrophobic property of the coating is fully excavated from the matching and promotion of the coating structure, the matrix and the filler.
2. The graphite or graphene is adopted, so that the heat conductivity of the composite coating is greatly improved, and the high temperature resistance of the composite coating is improved;
3. the heat preservation process of the coating is added before the coating is used, so that the curing temperature of the coating is reduced;
4. the method has the advantages of simple process, mild reaction conditions, easy realization and good process repeatability.
Drawings
The invention is further illustrated by the following examples and figures.
FIG. 1 shows the surface morphology and water contact angle of the coating prepared from the coating components of example 1, the water contact angle is 163 degrees, and the rolling angle is less than 10 degrees.
FIG. 2 shows the results of testing coatings prepared using the coating composition of example 2, with a water contact angle of 153 ° and a rolling angle of less than 10 °.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention is further illustrated by the following examples and figures.
Example 1. the composition of the multi-dimensional composite coating is: 25% of polytetrafluoroethylene, 30% of waterborne epoxy resin, 10% of additive, 1.5% of composite inorganic nano particles, 1% of assistant and the balance of water. Wherein the auxiliary agent is a silane coupling agent; the additive comprises a dispersing agent, a defoaming agent, a thixotropic agent, composite inorganic nano particles and nano SiO prepared by adopting a sol-gel method2And coating the graphene.
The preparation steps of the coating comprise:
(1) preparing a multi-dimensional composite coating: polytetrafluoroethylene, water-based epoxy resin and nano SiO2Adding the coated graphene, the auxiliary agent, the additive and water in batches, and obtaining the multidimensional composite coating through strong stirring or ultrasonic oscillation;
further, the composite inorganic particles and the solid additive are added in a dispersion mode, namely the composite inorganic particles are added in a mode of screening by a screen;
(2) and (3) filtering: standing the stirred multidimensional composite coating for 24 hours, and then filtering the coating by using gauze;
(3) preparing a multi-dimensional composite hydrophobic coating: before the multi-dimensional composite coating is used, the heat is preserved for 1 h at the temperature of 35 ℃, and then the coating is coated on a base material;
(4) and (3) coating heat treatment process: and after the pre-curing is completed, the multi-dimensional composite hydrophobic coating is subjected to heat preservation for 25 min at the temperature of 100 ℃.
The water contact angle of the multi-dimensional composite coating prepared by the embodiment is 163 degrees, the rolling angle is less than 10 degrees, and the coating bonding force tested by the evaluation standard (GB/T9286-88) of the grid-scribing method is 4B.
Example 2. the composition of the multidimensional composite coating is as follows: 25% of polytetrafluoroethylene, 30% of waterborne epoxy resin, 10% of additive, 3% of composite inorganic nano particles, 1% of assistant and the balance of water. Wherein, the additive is heptadecafluorodecyltrimethoxysilane, the additive comprises a dispersant, a defoaming agent, a thixotropic agent and composite inorganic nano particles, and the nano silicon carbide prepared by a sol-gel method is used for coating microcrystalline graphite.
The substrate is made of Q235 steel plate.
Secondly, the invention provides a technical scheme of a preparation method, which comprises the following steps:
(1) preparing a multi-dimensional composite coating: adding polytetrafluoroethylene, aqueous epoxy resin emulsion, composite inorganic nanoparticles, an auxiliary agent, an additive and water in batches, and stirring strongly or oscillating ultrasonically to obtain a modified multi-dimensional composite coating;
further, the composite inorganic particles and the solid additive are added in a dispersion mode, namely the composite inorganic particles are screened by a sieve or sprayed out from a nozzle by using compressed gas as a dispersing agent;
(2) and (3) filtering: standing the stirred multi-dimensional composite coating for not less than 10 hours, and filtering the coating by using gauze or a sieve;
(3) preparing a multi-dimensional composite hydrophobic coating: before the multi-dimensional composite coating is used, the heat is preserved for 0.2 to 1.5 hours at the temperature of between 25 and 50 ℃, and then the multi-dimensional composite coating is brushed, rolled or sprayed on a base material;
(4) and (3) coating heat treatment process: and after the pre-curing is completed, keeping the temperature of the multi-dimensional composite hydrophobic coating for 15 min at the temperature of 120 ℃.
The water contact angle of the multi-dimensional composite coating prepared by the embodiment is 153 degrees, the rolling angle is less than 10 degrees, and the coating bonding force tested by the evaluation standard (GB/T9286-88) of the grid-scribing method is 4B.
Claims (3)
1. A multi-dimensional composite hydrophobic coating and a preparation method thereof are characterized in that: the coating comprises the following components: 10-30% of polytetrafluoroethylene, 20-40% of waterborne epoxy resin, 1-10% of composite inorganic nanoparticles, 0.5-2% of auxiliary agent, 2-10% of additive and the balance of water;
the auxiliary agent is a silane coupling agent or heptadecafluorodecyltrimethoxysilane;
the additive comprises a dispersing agent, a defoaming agent, a thixotropic agent and a pigment.
2. The multi-dimensional composite hydrophobic coating and the preparation method thereof according to claim 1, wherein the coating preparation method comprises the following steps:
(1) preparing a multi-dimensional composite coating: adding polytetrafluoroethylene, water-based epoxy resin, composite inorganic nanoparticles, an auxiliary agent, an additive and water in batches, and stirring strongly or oscillating ultrasonically to obtain a modified multi-dimensional composite coating;
further, the composite inorganic particles and the solid additive are added in a dispersion mode, namely the composite inorganic particles are screened by a sieve or sprayed out from a nozzle by using compressed gas as a dispersing agent;
(2) and (3) filtering: standing the modified multidimensional composite coating for not less than 10 hours, and filtering the coating by using gauze or a sieve;
(3) preparing a multi-dimensional composite hydrophobic coating: before the multi-dimensional composite coating is used, the heat is preserved for 0.2 to 1.5 hours at the temperature of between 25 and 50 ℃, and then the multi-dimensional composite coating is brushed, rolled or sprayed on a base material;
(4) subsequent heat treatment of the coating: after the pre-curing is completed, the multi-dimensional composite hydrophobic coating is subjected to heat preservation for 10-60 min at the temperature of 60-150 ℃.
3. The composite inorganic nanoparticle of claim 1, wherein: the surface of the composite inorganic particles is coated with nano silicon dioxide or silicon carbide coated graphite or graphene, and the preparation method of the composite inorganic particles is a sol-gel method.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102001A (en) * | 2023-07-20 | 2023-11-24 | 贵州电网有限责任公司 | Preparation method and application of super-hydrophobic anti-icing coating capable of controlling spraying pressure |
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| JPH1121472A (en) * | 1997-07-04 | 1999-01-26 | Nippon Telegr & Teleph Corp <Ntt> | Water-repelling paint |
| CN104277671A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Water-based thermal insulating coating with good wear resistance weather resistance and preparation method of water-based thermal insulating coating |
| CN106700756A (en) * | 2017-01-20 | 2017-05-24 | 苏州碳丰石墨烯科技有限公司 | High-temperature-resistant heat-dissipating graphene-carbon nanotube coating and preparation method thereof |
| CN110205023A (en) * | 2019-06-21 | 2019-09-06 | 重庆市科学技术研究院 | With hydrophobic, antiseptic property composite Nano coating material and its preparation method and application |
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2020
- 2020-11-30 CN CN202011366945.7A patent/CN112552782A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| JPH1121472A (en) * | 1997-07-04 | 1999-01-26 | Nippon Telegr & Teleph Corp <Ntt> | Water-repelling paint |
| CN104277671A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Water-based thermal insulating coating with good wear resistance weather resistance and preparation method of water-based thermal insulating coating |
| CN106700756A (en) * | 2017-01-20 | 2017-05-24 | 苏州碳丰石墨烯科技有限公司 | High-temperature-resistant heat-dissipating graphene-carbon nanotube coating and preparation method thereof |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117102001A (en) * | 2023-07-20 | 2023-11-24 | 贵州电网有限责任公司 | Preparation method and application of super-hydrophobic anti-icing coating capable of controlling spraying pressure |
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Application publication date: 20210326 |