CN117070108A - Super-hydrophobic anti-icing coating with excellent mechanical properties and preparation method thereof - Google Patents

Super-hydrophobic anti-icing coating with excellent mechanical properties and preparation method thereof Download PDF

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Publication number
CN117070108A
CN117070108A CN202310648819.8A CN202310648819A CN117070108A CN 117070108 A CN117070108 A CN 117070108A CN 202310648819 A CN202310648819 A CN 202310648819A CN 117070108 A CN117070108 A CN 117070108A
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coating
excellent mechanical
mechanical properties
parts
sio
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姜伯晨
类延华
李晓峰
刘涛
张玉良
张飞
王杰
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Shanghai Maritime University
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Shanghai Maritime University
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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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • 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
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention relates to a super-hydrophobic anti-icing coating with excellent mechanical properties and a preparation method thereof, wherein the preparation method comprises the following steps: s1, mixing absolute ethyl alcohol, ammonia water, tetraethoxysilane and an aminosilane coupling agent, uniformly stirring to obtain a mixed solution, centrifuging, washing and drying to obtain NH 2 ‑SiO 2 A powder; s2, deionized water, absolute ethyl alcohol, ammonia water and NH 2 ‑SiO 2 Mixing the powder and the fluorine-containing silane, stirring uniformly to obtain a mixed solution, centrifuging, washing and drying to obtain FAS-NH 2 ‑SiO 2 A powder filler; s3, mixing an organic solvent, a hydroxy acrylic resin, an isocyanate curing agent and FAS-NH 2 ‑SiO 2 Stirring and mixing the powder filler into Tu Liaoye; s4, coating the coating liquid on the substrate, and curing the coating liquid on the substrateForming a super-hydrophobic anti-icing coating. Compared with the prior art, the coating prepared by the invention has excellent mechanical property, self-cleaning property and anti-icing property.

Description

Super-hydrophobic anti-icing coating with excellent mechanical properties and preparation method thereof
Technical Field
The invention relates to the technical field of functional composite materials, in particular to a super-hydrophobic anti-icing coating with excellent mechanical properties and a preparation method thereof.
Background
Severe damages can occur due to icing in industries such as polar scientific investigation, shipping, power transmission, wind power generation, air transportation, road traffic and the like. Taking polar region ship transportation as an example, under the influence of extremely low temperature climate, the hulls, superstructure and various devices of polar region navigation ships and marine equipment can cover a large amount of ice and snow, so that the draft and the gravity center of the ships are changed, and the stability of the ships and the reliability of superstructure structures are reduced; the large amount of ice build up on the equipment can also affect the operation of the equipment, bringing serious safety risks.
In order to ensure the safety of polar region ship navigation and operation of various equipment, not only the overall design of preventing and removing ice of the ship, but also the application of novel materials for preventing and removing ice in the design of the ship are required to be considered. At present, the anti-icing method mainly adopts traditional mechanical, thermal, ultrasonic and manual modes, and the problems of high labor cost, low energy efficiency and the like generally exist in the modes. The super-hydrophobic coating has low surface energy and a unique micro-nano structure, so that the super-hydrophobic coating has a larger contact angle and an extremely low rolling angle, water drops can roll off the surface of the coating quickly, the adhesive force of an ice layer is reduced, the icing time of the water drops is prolonged, and the anti-icing effect is achieved. However, the existing super-hydrophobic coating has poor mechanical properties, such as wear resistance, acid and alkali resistance and the like.
Disclosure of Invention
The invention aims to overcome the defect of poor mechanical properties of the super-hydrophobic coating in the prior art and provides a super-hydrophobic anti-icing coating with excellent mechanical properties and a preparation method thereof.
The aim of the invention can be achieved by the following technical scheme:
one of the technical schemes of the invention is to provide a preparation method of a super-hydrophobic anti-icing coating with excellent mechanical properties, which comprises the following steps:
s1, sequentially adding absolute ethyl alcohol, ammonia water, tetraethoxysilane and an aminosilane coupling agent, mixing and stirring uniformly to obtain a mixed solution, centrifuging, washing and drying the mixed solution to obtain NH 2 -SiO 2 A powder;
s2, preparing the NH obtained in the step S1 from deionized water, absolute ethyl alcohol, ammonia water 2 -SiO 2 Sequentially adding powder and fluorine-containing silane, mixing and stirring uniformly to obtain a mixed solution, centrifuging, washing and drying the mixed solution to obtain FAS-NH grafted with amino and low-surface-energy functional groups 2 -SiO 2 A powder filler;
s3, preparing an organic solvent, a hydroxy acrylic resin, an isocyanate curing agent and FAS-NH obtained in the step S2 2 -SiO 2 Stirring and mixing the powder filler into Tu Liaoye, filtering, and standing to remove bubbles;
s4, coating the coating liquid obtained in the step S3 on a substrate, and forming the super-hydrophobic anti-icing coating with excellent mechanical properties on the substrate after curing.
In the step S1, the mass parts ratio of absolute ethyl alcohol, ammonia water, tetraethoxysilane and an aminosilane coupling agent is (70-90): (3-5) parts: (3-5) parts: (0.5-1.5) parts; in the S2 step, deionized water, absolute ethyl alcohol, ammonia water and NH 2 -SiO 2 The mass portion ratio of the powder to the fluorine-containing silane is (5-15): (70-90 parts of: (3-5) parts: (1.5-2.5) parts: (0.5-1.5) parts; in the S3 step, organic solvent, hydroxy acrylic resin, isocyanate curing agent and FAS-NH 2 -SiO 2 The mass portion ratio of the powder filler is (40-60): (10-15) parts: (5-10 parts of: (5-10) parts.
Further, in the step S1, the aminosilane coupling agent is selected from any one of 3-aminopropyl triethoxysilane, N-2-aminoethyl-3-aminopropyl trimethoxysilane and N-2-aminoethyl-3-aminopropyl methyl dimethoxysilane.
Further, in the step S1, tetraethoxysilane is dropwise added; the stirring temperature is room temperature, and the stirring mode after the aminosilane coupling agent is added is magnetic stirring.
In step S2, the fluorine-containing silane is selected from any one of heptadecafluorodecyl trimethoxysilane, heptadecafluorodecyl triethoxysilane, perfluorooctyl trichlorosilane, perfluorooctyl triethoxysilane, and perfluorooctyl trimethoxysilane.
Further, in the step S2, the temperature of stirring was 40 ℃.
Further, in the S2 step, FAS-NH 2 -SiO 2 The particle size of the powder filler is 50-200nm.
Further, in the step S3, the organic solvent is selected from any one or more of butyl acetate, ethyl acetate, n-hexane or toluene; the isocyanate curing agent is selected from any one of curing agent N3390, curing agent N3200, curing agent N3400 and curing agent N3600.
Further, in the step S4, the curing temperature is 80 ℃ and the curing time is 2 hours.
The second technical scheme of the invention is to provide the super-hydrophobic anti-icing coating with excellent mechanical properties, and the preparation method of the super-hydrophobic anti-icing coating with excellent mechanical properties is based on the first technical scheme.
Compared with the prior art, the invention has the following beneficial effects:
(1) In the invention, the FAS-NH is prepared 2 -SiO 2 The powder filler has grafted amino groups and low surface energy functional groups (the low surface energy is fluorocarbon functional groups-CF with long chains grafted on the surface 2 、-CF 3 Improving the hydrophobic effect of the surface), the isocyanate curing agent can be selected to be combined with FAS-NH 2 -SiO 2 Amino groups on the surface of the powder filler and hydroxyl groups of the hydroxyl acrylic resin simultaneously react to form FAS-NH through covalent bonds 2 -SiO 2 The powder filler is tightly combined with the hydroxy acrylic resin, so that the mechanical property of the super-hydrophobic coating is greatly improvedSuch as adhesive force, flexibility, wear resistance, acid and alkali resistance and the like, has excellent self-cleaning performance and anti-icing performance, and can greatly delay the icing time of water drops and reduce the adhesive force of an ice layer and a coating.
(2) The method for forming the super-hydrophobic coating is simple, can be sprayed, scraped and brushed on the substrate, has simple process and convenient operation, is suitable for large-scale construction in a large area, and is easy to construct on the surfaces of different objects.
Drawings
FIG. 1 is a topography and contact angle of the superhydrophobic anti-icing coating prepared in example 1.
FIG. 2 is a graph showing the time-lapse icing of the superhydrophobic anti-icing coating prepared in example 1.
Fig. 3 is a test result of the adhesion of the superhydrophobic anti-icing coating prepared in example 1 to ice.
Fig. 4a is an SEM microtopography of the coating and fig. 4b is a macroscopic superhydrophobic view of the coating.
Fig. 5 is the testing device of fig. 3.
Wherein fig. 4 is marked as follows:
1 is a refrigeration platform, 2 is an ice array, 3 is a force sensor, and 4 is a sample.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
In the following examples and comparative examples, unless otherwise specified, the starting materials or processing techniques are all those which are conventional commercially available in the art.
Example 1:
a preparation method of a super-hydrophobic anti-icing coating with excellent mechanical properties comprises the following steps:
(1) To the flask, 80 parts of absolute ethanol and 4 parts of aqueous ammonia were added at room temperature and mixed to form a uniform solution. Then, 4 parts of tetraethoxysilane was added dropwise to the solution, and after stirring continuously for several minutes, 1 part of 3-aminopropyl triethoxysilane was added to the reactor, followed by magnetic stirring at room temperature for 24 hours. Finally, centrifuging, washing and drying the mixed solution to obtain NH 2 -SiO 2 And (3) powder.
(2) To the flask, 10 parts of deionized water, 80 parts of absolute ethanol, and 4 parts of aqueous ammonia were added at 40 ℃ and mixed to form a uniform solution. Then 2 parts of NH 2 -SiO 2 The powder was added to the solution and stirred well, and 1 part of heptadecafluorodecyltrimethoxysilane was added thereto and stirred for 24 hours. Finally, the mixed solution is centrifuged, washed and dried to obtain FAS-NH grafted with amino and low surface energy functional groups 2 -SiO 2 Powder filler.
(3) 50 parts of butyl acetate, 13 parts of a hydroxy acrylic resin, 5 parts of an isocyanate curing agent N3390 (hexamethylene diisocyanate trimer), 7 parts of FAS-NH 2 -SiO 2 The powder filler is subjected to ultrasonic mixing treatment and uniformly stirred to form coating liquid, and the coating liquid is filtered and then is kept stand to remove bubbles.
(4) The coating liquid is sprayed, scraped or brushed onto the treated substrate, and the substrate is cured and reacted for 2 hours at 80 ℃ to obtain the super-hydrophobic anti-icing coating with excellent mechanical properties.
The mechanical property of the prepared super-hydrophobic anti-icing coating is detected, and the result is as follows:
(1) Adhesion test: the adhesion of the coating may reach a rating of 5B according to ASTM D3359-09.
(2) Flexibility: the coating was bent to approximately 180 ° by a 5mm diameter cylindrical bender, and no cracking of the coating surface was observed after 5 bends while still maintaining superhydrophobicity.
(3) Abrasion resistance: the coating was abraded with 800 mesh sandpaper at 2.2KPa for 200 meters, the coating remained superhydrophobic, and the coating remained superhydrophobic after 24 hours of running water impact.
(4) Acid and alkali resistance: the coating layer still keeps super-hydrophobic after being respectively soaked in acid-base solution with pH value of 1-12 for 24 hours.
As shown in FIG. 1, the morphology graph (a) and the contact angle graph (b) of the super-hydrophobic anti-icing coating are shown, and from the graph b, it can be seen that the water drop can well keep the drop form, and the contact angle between the water drop and the coating is 162 degrees, which indicates that the coating has super-hydrophobicity.
As shown in figure 2, the time chart of delayed icing of the super-hydrophobic anti-icing coating is shown in figure a, which shows the icing time course of the surface water drop of the super-hydrophobic anti-icing coating at-10 ℃, and figure b, which shows the icing time course of the surface water drop of the common polyurethane coating at-10 ℃, which shows that the super-hydrophobic anti-icing coating prepared by the invention can delay icing to a great extent.
As shown in fig. 3, which is a graph of the adhesion test of the superhydrophobic anti-icing coating to ice, the a graph shows that the adhesion of a common tin plate (Tinplate) substrate to ice is 650KPa, and the adhesion of the superhydrophobic anti-icing coating (SHC) to ice is 11KPa. And b, in the cycle process of freezing and thawing ice, the adhesive force of the super-hydrophobic anti-icing coating to ice is still about 11KPa after the super-hydrophobic anti-icing coating is frozen and thawed for 25 times, and the contact angle is still greater than 150 degrees, so that the super-hydrophobic anti-icing coating has excellent low ice adhesive force performance.
As shown in fig. 4, a graph a shows an SEM image of the superhydrophobic anti-icing coating, and the surface of the superhydrophobic anti-icing coating can be found to have a remarkable micro-nano structure. And b, the graph shows the macro morphology of the super-hydrophobic anti-icing coating, and water drops are placed on the surface of the coating to keep the state of the water drops, so that the coating can reach the super-hydrophobic state.
The adhesion force test of the super-hydrophobic anti-icing coating to ice of fig. 3 adopts the device shown in fig. 5, a force sensor 3 and a sample 4 are arranged on a refrigerating platform 1, the super-hydrophobic anti-icing coating is coated on the upper surface of the sample 4, an ice array 2 is arranged on the sample 4, a movable rod on the force sensor 3 pushes the ice array 2 to slide on the sample 4, and the adhesion force of the super-hydrophobic anti-icing coating on the sample to ice is tested.
Example 2:
a preparation method of a super-hydrophobic anti-icing coating with excellent mechanical properties comprises the following steps:
(1) 70 parts of absolute ethanol and 3 parts of aqueous ammonia were added to the flask at room temperature and mixed to form a uniform solution. Then 3 parts of tetraethoxysilane were added dropwise to the solution, and after stirring continuously for several minutes, 0.5 part of N-2-aminoethyl-3-aminopropyl trimethoxysilane was added to the reactor and magnetically stirred at room temperature for 24 hours. Finally, centrifuging, washing and drying the mixed solution to obtain NH 2 -SiO 2 And (3) powder.
(2) To the flask, 5 parts of deionized water, 70 parts of absolute ethanol, and 3 parts of aqueous ammonia were added at 40 ℃ and mixed to form a uniform solution. Then 1.5 parts of NH 2 -SiO 2 The powder was added to the solution and stirred well, and 0.5 part of heptadecafluorodecyltriethoxysilane was added thereto and stirred for 24 hours. Finally, the mixed solution is centrifuged, washed and dried to obtain FAS-NH grafted with amino and low surface energy functional groups 2 -SiO 2 Powder filler.
(3) 40 parts of an organic solvent (ethyl acetate: toluene=2:1, v: v), 10 parts of a hydroxy acrylic resin, 5 parts of an isocyanate curing agent N3390 (hexamethylene diisocyanate trimer), 5 parts of FAS-NH 2 -SiO 2 The powder filler is subjected to ultrasonic mixing treatment and uniformly stirred to form coating liquid, and the coating liquid is filtered and then is kept stand to remove bubbles.
(4) The coating liquid is sprayed, scraped or brushed onto the treated substrate, and the substrate is cured and reacted for 2 hours at 80 ℃ to obtain the super-hydrophobic anti-icing coating with excellent mechanical properties.
Example 3:
a preparation method of a super-hydrophobic anti-icing coating with excellent mechanical properties comprises the following steps:
(1) To the flask, 90 parts of absolute ethanol and 5 parts of aqueous ammonia were added at room temperature and mixed to form a uniform solution. Then, 5 parts of tetraethoxysilane was added dropwise to the solution, and after stirring continuously for several minutes, 1.5 parts of N-2-aminoethyl-3-aminopropyl methyldimethoxysilane was added to the reactor, followed by magnetic stirring at room temperature for 24 hours. Finally, centrifuging, washing and drying the mixed solution to obtain NH 2 -SiO 2 And (3) powder.
(2) 15 parts of deionized water, 90 parts of absolute ethanol and 5 parts of aqueous ammonia were added to the flask at 40 ℃ and mixed to form a uniform solution. Then 2.5 parts of NH 2 -SiO 2 The powder was added to the solution and stirred well, and 1.5 parts of perfluorooctyl triethoxysilane was added thereto and stirred for 24 hours. Finally, the mixed solution is centrifuged, washed and dried to obtain FAS-NH grafted with amino and low surface energy functional groups 2 -SiO 2 Powder filler.
(3) 60 parts of an organic solvent (ethyl acetate: toluene=1:2, v: v), 15 parts of a hydroxy acrylic resin, 10 parts of an isocyanate curing agent N3390 (hexamethylene diisocyanate trimer), 10 parts of FAS-NH 2 -SiO 2 The powder filler is subjected to ultrasonic mixing treatment and uniformly stirred to form coating liquid, and the coating liquid is filtered and then is kept stand to remove bubbles.
(4) The coating liquid is sprayed, scraped or brushed onto the treated substrate, and the substrate is cured and reacted for 2 hours at 80 ℃ to obtain the super-hydrophobic anti-icing coating with excellent mechanical properties.
Comparative example 1:
compared with example 1, the preparation method is largely the same, except that FAS-NH prepared in steps (1) and (2) is absent 2 -SiO 2 Powder filler, common SiO in step (3) 2 The nano powder is used as a filler to prepare a polyurethane coating, and the polyurethane coating has no super-hydrophobic characteristic and has no anti-icing effect after detection.
Comparative example 2:
compared with example 1, the preparation method is largely the same, except that FAS-NH prepared in steps (1) and (2) is absent 2 -SiO 2 The powder filler is not added in the step (3), so that the pure polyurethane is prepared, and the pure polyurethane has no super-hydrophobic property and has no anti-icing effect after detection.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.

Claims (10)

1. The preparation method of the super-hydrophobic anti-icing coating with excellent mechanical properties is characterized by comprising the following steps:
s1, sequentially adding absolute ethyl alcohol, ammonia water, tetraethoxysilane and an aminosilane coupling agent, mixing and stirring uniformly to obtain a mixed solution, centrifuging, washing and drying the mixed solution to obtain NH 2 -SiO 2 A powder;
s2, preparing the NH obtained in the step S1 from deionized water, absolute ethyl alcohol, ammonia water 2 -SiO 2 Sequentially adding powder and fluorine-containing silane, mixing and stirring uniformly to obtain a mixed solution, centrifuging, washing and drying the mixed solution to obtain FAS-NH grafted with amino and low-surface-energy functional groups 2 -SiO 2 A powder filler;
s3, preparing an organic solvent, a hydroxy acrylic resin, an isocyanate curing agent and FAS-NH obtained in the step S2 2 -SiO 2 Stirring and mixing the powder filler into Tu Liaoye, filtering, and standing to remove bubbles;
s4, coating the coating liquid obtained in the step S3 on a substrate, and forming the super-hydrophobic anti-icing coating with excellent mechanical properties on the substrate after curing.
2. The preparation method of the super-hydrophobic anti-icing coating with excellent mechanical properties according to claim 1, wherein in the step S1, the mass part ratio of absolute ethyl alcohol, ammonia water, tetraethoxysilane and an aminosilane coupling agent is (70-90): (3-5) parts: (3-5) parts: (0.5-1.5) parts; in the S2 step, deionized water, absolute ethyl alcohol, ammonia water and NH 2 -SiO 2 The mass portion ratio of the powder to the fluorine-containing silane is (5-15): (70-90 parts of: (3-5) parts: (1.5-2.5) parts: (0.5-1.5) parts; in the S3 step, organic solvent, hydroxy acrylic resin, isocyanate curing agent and FAS-NH 2 -SiO 2 The mass portion ratio of the powder filler is (40-60): (10-15) parts: (5-10 parts of: (5-10) parts.
3. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in step S1, the aminosilane coupling agent is selected from any one of 3-aminopropyl triethoxysilane, N-2-aminoethyl-3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyl methyldimethoxysilane.
4. The method for preparing a superhydrophobic anti-icing coating with excellent mechanical properties according to claim 1, wherein in step S1, tetraethoxysilane is added dropwise; the stirring temperature is room temperature, and the stirring mode after the aminosilane coupling agent is added is magnetic stirring.
5. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in the step S2, the fluorine-containing silane is selected from any one of heptadecafluorodecyl trimethoxysilane, heptadecafluorodecyl triethoxysilane, perfluorooctyl trichlorosilane, perfluorooctyl triethoxysilane, perfluorooctyl trimethoxysilane.
6. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in step S2, the temperature of stirring is 40 ℃.
7. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in step S2, FAS-NH 2 -SiO 2 The particle size of the powder filler is 50-200nm.
8. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in step S3, the organic solvent is selected from any one or more of butyl acetate, ethyl acetate, n-hexane, or toluene; the isocyanate curing agent is selected from any one of curing agent N3390, curing agent N3200, curing agent N3400 and curing agent N3600.
9. The method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to claim 1, wherein in step S4, the curing temperature is 80 ℃ and the curing time is 2 hours.
10. A superhydrophobic anti-icing coating having excellent mechanical properties, characterized in that it is based on a method for preparing a superhydrophobic anti-icing coating having excellent mechanical properties according to any of claims 1-9.
CN202310648819.8A 2023-06-02 2023-06-02 Super-hydrophobic anti-icing coating with excellent mechanical properties and preparation method thereof Pending CN117070108A (en)

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