CN112409919A - Energy-absorbing super-amphiphobic anti-icing coating for fan blade and preparation method thereof - Google Patents
Energy-absorbing super-amphiphobic anti-icing coating for fan blade and preparation method thereof Download PDFInfo
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- CN112409919A CN112409919A CN202011256664.6A CN202011256664A CN112409919A CN 112409919 A CN112409919 A CN 112409919A CN 202011256664 A CN202011256664 A CN 202011256664A CN 112409919 A CN112409919 A CN 112409919A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
- C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C09D201/04—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
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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
- C09D5/32—Radiation-absorbing 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
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
Abstract
The invention discloses an energy-absorbing super-amphiphobic anti-icing coating for fan blades and a preparation method thereof, wherein the coating is prepared from the following raw materials in parts by weight: 8-15 parts of super-amphiphobic modified carbon nano-tube, 2-5 parts of porous filler powder, 45-70 parts of modified resin, 2-4 parts of dispersing agent, 1-2 parts of defoaming agent, 2-3 parts of flatting agent and 15-27 parts of solvent. The novel energy-absorbing super-hydrophobic ice-covering-resistant material is designed mainly based on a lotus leaf super-hydrophobic bionic principle, and realizes the super-amphiphobic function (super-hydrophobic super-oleophobic property) of the material by adopting an organic matter with low surface energy to construct a rough surface structure. The coating formed by the energy-absorbing super-amphiphobic anti-icing coating for the fan blade has strong adhesive force, high weather resistance and strong anti-icing capability, has an obvious delayed icing effect when people fall snow, greatly reduces the icing amount, and simultaneously has the energy-absorbing characteristic of the coating, so that the coating is easy to de-ice even at extremely low temperature (minus centigrade), and the fan blade using the coating has the anti-icing function.
Description
Technical Field
The invention relates to the technical field of fan blade ice coating prevention, in particular to an energy-absorbing super-amphiphobic ice coating for a fan blade and a preparation method thereof.
Background
Wind energy is a clean renewable energy source, and wind power generation is not only a supplement of the conventional power in China, but also a trend of future power development. However, wind fields are often built on high mountains with sufficient wind energy and low air temperature, and the problem of icing on the surfaces of blades of wind turbine generators is increasingly prominent. Icing on the surface of the blade can cause blade overload and uneven distribution of blade ice load on the one hand, and further causes low efficiency of the wind turbine generator. On the other hand, in the rotating process of the blade, a large ice layer falls off easily to cause operation accidents.
The traditional deicing method wastes a large amount of manpower and material resources and has low deicing efficiency. The anti-icing of the super-hydrophobic coating is a novel anti-icing method which is researched all the time in recent years. Although there are reports related to the field of anti-icing of the wind turbine blade, the super-hydrophobic coating needs to contact some putty in the air, and the super-hydrophobic performance is lost quickly, so that the super-hydrophobic coating cannot be used for a long time in a large scale, and the previous reports about anti-icing of the super-hydrophobic coating of the wind turbine blade are only in the theoretical and laboratory stages and cannot be applied in a large scale on site. Therefore, a super-hydrophobic material which is good in weather resistance and can be applied in a large scale is needed to be used in the field of anti-icing of wind turbine blades.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an energy-absorbing super-amphiphobic anti-icing coating for a fan blade and a preparation method thereof, and aims to improve the anti-icing performance of the fan blade through the super-amphiphobic property and high weather resistance of the coating. Meanwhile, the energy absorption characteristic of the coating enables the coating to be easy to de-ice even at extremely low temperature (below zero).
In order to achieve the purpose, the technical scheme of the invention is as follows:
an energy-absorbing super-amphiphobic anti-icing coating for fan blades comprises the following raw materials in parts by weight: 8-15 parts of super-amphiphobic modified carbon nano-tube, 2-5 parts of porous filler powder, 45-70 parts of modified resin, 2-4 parts of dispersing agent, 1-2 parts of defoaming agent, 2-3 parts of flatting agent and 15-27 parts of solvent.
The solvent is at least one of ethyl acetate, butyl acetate, n-butanol and propylene glycol monomethyl ether acetate.
The super-amphiphobic modified carbon nanotube consists of the following raw materials in parts by weight: 2-5 parts of 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 3-5 parts of 1H,1H,2H, 2H-perfluorodecyl triethoxysilane, 0-5 parts of trifluoromethyl trimethylsilane, 5-10 parts of trifluoropropyl methyl cyclotrisiloxane, 40-50 parts of carbon nano tube and 30-40 parts of solvent. The solvent is ethanol.
The preparation method of the super-amphiphobic modified carbon nanotube comprises the following steps: adding 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 1H,2H, 2H-perfluorodecyl triethoxysilane, trifluoromethyl trimethylsilane, trifluoropropyl methyl cyclotrisiloxane and carbon nano tube into a solvent, dispersing for 24 hours in an environment at 60 ℃, and naturally cooling.
The carbon nanotube is single-walled carbon nanotube or multi-walled carbon nanotube.
The porous filler powder is porous powder quartz, diatomite, calcined kaolin, gas-phase silicon dioxide, silicon micropowder and bentonite.
The modified resin is fluorine modified resin, organic silicon modified resin and fluorine silicon modified resin.
A preparation method of an energy-absorbing super-amphiphobic anti-icing coating for fan blades comprises the following steps:
1) adding a dispersing agent and the super-amphiphobic modified carbon nano tube into the modified resin, and uniformly mixing;
2) adding porous filler powder, and mixing uniformly;
3) and adding a defoaming agent, a flatting agent and a solvent, and uniformly mixing to obtain the energy-absorbing super-amphiphobic anti-icing coating for the fan blade.
The invention has the beneficial effects that:
the novel energy-absorbing super-hydrophobic ice-covering-resistant material is designed mainly based on a lotus leaf super-hydrophobic bionic principle, and realizes the super-amphiphobic function (super-hydrophobic super-oleophobic property) of the material by adopting an organic matter with low surface energy to construct a rough surface structure. The super-hydrophobic surface is constructed to greatly reduce the adhesion of ice crystals to a contact interface. The reason why the icing vertical bonding strength and the shearing bonding strength of the super-hydrophobic coating are small is that on one hand, the acting force between ice and the coating is reduced due to the low surface energy of the super-hydrophobic coating, on the other hand, air is introduced between the ice and the coating due to the rough structure of the coating, and meanwhile, approximate point contact is formed between the ice layer and the coating, namely, the actual contact area between the ice layer and the coating is greatly reduced, so that the adhesion force of the ice to the coating is greatly reduced, the ice layer is easy to fall off from the surface of the substrate, and the good icing-preventing characteristic is shown. The energy-absorbing super-amphiphobic anti-icing coating has the special super-oleophobic property, so that the coating can resist putty under natural conditions, and the weather resistance of the anti-icing coating can be greatly improved. The energy-absorbing super-amphiphobic anti-icing coating can absorb sunlight by using black powder and store energy, and when the coating is illuminated, even if the temperature is below zero ℃, the surface temperature of the coating is 2-5 ℃ higher than the ambient temperature, the junction of the ice layer and the surface of the coating is easier to melt, and the ice layer falls off immediately due to the super-hydrophobic property of the coating.
The coating formed by the energy-absorbing super-amphiphobic anti-icing coating for the fan blade has strong adhesive force, high weather resistance and strong anti-icing capability, has an obvious delayed icing effect when people fall snow, greatly reduces the icing amount, and simultaneously has the energy-absorbing characteristic of the coating, so that the coating is easy to de-ice even at extremely low temperature (minus centigrade), and the fan blade using the coating has the anti-icing function.
Detailed Description
The following examples further illustrate the embodiments of the present invention in detail.
The dispersant used in the embodiment of the invention is a dispersant 5040, the defoaming agent is a defoaming agent BYK011, and the flatting agent is a flatting agent BYK 333.
Example 1
An energy-absorbing super-amphiphobic anti-icing coating for fan blades comprises the following raw materials in parts by weight: 10 parts of super-amphiphobic modified carbon nano-tube, 3 parts of calcined kaolin, 55 parts of SIC6114 organic silicon modified resin, 3 parts of dispersing agent, 2 parts of defoaming agent, 3 parts of flatting agent and solvent, wherein the solvent comprises 14 parts of propylene glycol methyl ether acetate, 5 parts of n-butanol and 5 parts of butyl acetate.
The preparation method comprises the following steps:
1) adding a dispersing agent and a super-amphiphobic modified carbon nano tube into SIC6114 organic silicon modified resin, and dispersing at a high speed for 20-30min to uniformly mix;
2) adding calcined kaolin, and dispersing at high speed for 20-30min to mix;
3) and adding a defoaming agent, a flatting agent and a solvent, dispersing at a high speed for 10-20min, and uniformly mixing to obtain the energy-absorbing super-amphiphobic anti-icing coating for the fan blade.
The preparation method of the super-amphiphobic modified carbon nano tube comprises the following steps (by weight portion): adding 5 parts of 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 3 parts of 1H,1H,2H, 2H-perfluorodecyl triethoxysilane, 5 parts of trifluoromethyl trimethylsilane, 7 parts of trifluoropropyl methyl cyclotrisiloxane and 40 parts of single-walled carbon nanotube into 40 parts of ethanol, dispersing for 24 hours in an environment at 60 ℃, and naturally cooling.
Example 2
An energy-absorbing super-amphiphobic anti-icing coating for fan blades comprises the following raw materials in parts by weight: 8 parts of super-amphiphobic modified carbon nano-tube, 2 parts of fumed silica, 2 parts of fluorine-silicon modified resin HY-10870 parts, 2 parts of dispersant, 1 part of defoamer, 2 parts of flatting agent and solvent, wherein the solvent comprises 5 parts of propylene glycol methyl ether acetate, 5 parts of ethyl acetate and 5 parts of butyl acetate.
The preparation method comprises the following steps:
1) adding a dispersant and a super-amphiphobic modified carbon nano tube into the fluorine-silicon modified resin HY-108, and dispersing at a high speed for 20-30min to uniformly mix;
2) adding fumed silica, and dispersing at high speed for 20-30min to mix;
3) and adding a defoaming agent, a flatting agent and a solvent, dispersing at a high speed for 10-20min, and uniformly mixing to obtain the energy-absorbing super-amphiphobic anti-icing coating for the fan blade.
The preparation method of the super-amphiphobic modified carbon nano tube comprises the following steps (by weight portion): adding 5 parts of 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 3 parts of 1H,1H,2H, 2H-perfluorodecyl triethoxysilane, 2 parts of trifluoromethyl trimethylsilane, 10 parts of trifluoropropyl methyl cyclotrisiloxane and 50 parts of single-walled carbon nanotube into 30 parts of ethanol, dispersing for 24 hours in an environment at 60 ℃, and naturally cooling.
Example 3
An energy-absorbing super-amphiphobic anti-icing coating for fan blades comprises the following raw materials in parts by weight: 15 parts of super-amphiphobic modified carbon nano-tube, 5 parts of porous powder quartz, 23-1945 parts of fluorine modified resin, 4 parts of dispersing agent, 2 parts of defoaming agent, 2 parts of flatting agent and solvent, wherein the solvent comprises 10 parts of propylene glycol methyl ether acetate, 2 parts of n-butyl alcohol, 5 parts of ethyl acetate and 10 parts of butyl acetate.
The preparation method comprises the following steps:
1) adding a dispersing agent and a super-amphiphobic modified carbon nano tube into the fluorine modified resin 23-19, and dispersing at a high speed for 20-30min to uniformly mix;
2) adding porous quartz powder, and dispersing at high speed for 20-30min to mix;
3) and adding a defoaming agent, a flatting agent and a solvent, dispersing at a high speed for 10-20min, and uniformly mixing to obtain the energy-absorbing super-amphiphobic anti-icing coating for the fan blade.
The preparation method of the super-amphiphobic modified carbon nano tube comprises the following steps (by weight portion): adding 5 parts of 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 3 parts of 1H,1H,2H, 2H-perfluorodecyl triethoxysilane, 7 parts of trifluoropropyl methyl cyclotrisiloxane and 45 parts of double-walled carbon nanotubes into 40 parts of ethanol, dispersing for 24 hours in an environment at 60 ℃, and naturally cooling.
The sample performance tests provided in examples 1-3 of the present invention are shown in the following table:
the coating formed by the energy-absorbing super-amphiphobic and super-oleophobic anti-icing coating for the fan blade has a super-hydrophobic and super-oleophobic function, the adhesion force of the coating to the fan blade is excellent, the adhesion force of the coating to an ice layer is small, the function of inhibiting or delaying the formation of ice crystals on the surface of a material is realized, and when the coating with ice on the surface is irradiated by sunlight, the ice layer can be rapidly melted and stripped off the surface of the coating even at a low temperature (minus centigrade).
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. An energy-absorbing super-amphiphobic anti-icing coating for fan blades is characterized by comprising the following raw materials in parts by weight: 8-15 parts of super-amphiphobic modified carbon nano-tube, 2-5 parts of porous filler powder, 45-70 parts of modified resin, 2-4 parts of dispersing agent, 1-2 parts of defoaming agent, 2-3 parts of flatting agent and 15-27 parts of solvent.
2. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade according to claim 1, wherein the super-amphiphobic modified carbon nanotube consists of the following raw materials in parts by weight: 2-5 parts of 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 3-5 parts of 1H,1H,2H, 2H-perfluorodecyl triethoxysilane, 0-5 parts of trifluoromethyl trimethylsilane, 5-10 parts of trifluoropropyl methyl cyclotrisiloxane, 40-50 parts of carbon nano tube and 30-40 parts of solvent.
3. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade as claimed in claim 2, wherein the preparation method of the super-amphiphobic modified carbon nanotube comprises the following steps: adding 1H,1H,2H, 2H-perfluorooctyl trichlorosilane, 1H,2H, 2H-perfluorodecyl triethoxysilane, trifluoromethyl trimethylsilane, trifluoropropyl methyl cyclotrisiloxane and carbon nano tube into a solvent, dispersing for 24 hours in an environment at 60 ℃, and naturally cooling.
4. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade as claimed in claim 2, wherein the carbon nanotubes are single-walled carbon nanotubes and multi-walled carbon nanotubes.
5. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade according to claim 2, wherein the solvent is ethanol.
6. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade as claimed in claim 1, wherein the porous filler powder is porous powder quartz, diatomite, calcined kaolin, fumed silica, silica micropowder and bentonite.
7. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade according to claim 1, wherein the modified resin is fluorine modified resin, organic silicon modified resin or fluorine-silicon modified resin.
8. The energy-absorbing super-amphiphobic anti-icing coating for the fan blade as claimed in claim 1, wherein the solvent is at least one of ethyl acetate, butyl acetate, n-butanol and propylene glycol methyl ether acetate.
9. The preparation method of the energy-absorbing super-amphiphobic anti-icing coating for the fan blade as claimed in any one of claims 1 to 8 is characterized by comprising the following steps:
1) adding a dispersing agent and the super-amphiphobic modified carbon nano tube into the modified resin, and uniformly mixing;
2) adding porous filler powder, and mixing uniformly;
3) and adding a defoaming agent, a flatting agent and a solvent, and uniformly mixing to obtain the energy-absorbing super-amphiphobic anti-icing coating for the fan blade.
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| CN202011256664.6A CN112409919A (en) | 2020-11-11 | 2020-11-11 | Energy-absorbing super-amphiphobic anti-icing coating for fan blade and preparation method thereof |
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| CN202011256664.6A CN112409919A (en) | 2020-11-11 | 2020-11-11 | Energy-absorbing super-amphiphobic anti-icing coating for fan blade and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113861842A (en) * | 2021-09-01 | 2021-12-31 | 国网江西省电力有限公司电力科学研究院 | Energy-absorbing super-hydrophobic anti-icing coating for insulator and preparation method thereof |
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| CN111607300A (en) * | 2020-06-21 | 2020-09-01 | 武汉露能科技有限公司 | Durable anti-icing low-surface-energy material for wind power blade and preparation method thereof |
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| CN106893454A (en) * | 2017-04-21 | 2017-06-27 | 黑龙江凯恩琪新材料科技有限公司 | A kind of preparation method of sprayable and durable super-amphiphobic coating |
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| CN113861842A (en) * | 2021-09-01 | 2021-12-31 | 国网江西省电力有限公司电力科学研究院 | Energy-absorbing super-hydrophobic anti-icing coating for insulator and preparation method thereof |
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Application publication date: 20210226 |