CN105885564B - Super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain and preparation method thereof and application method - Google Patents
Super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain and preparation method thereof and application method Download PDFInfo
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses super-hydrophobic composite coating of the multiple fluorinated epoxy of a kind of full stress-strain and preparation method thereof and application methods, the coating includes coating system and curing agent, the component of wherein coating system includes epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether and organic solvent, and curing agent is made by diethylenetriamine and perfluorobutyric acid are reacted.Preparation method includes the preparation of coating system and the preparation of curing agent.Its application method is that curing agent is dissolved in diluent, and gained curing agent solution is added in coating system, is uniformly mixed, and required surface cure is coated on.The super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the present invention has many advantages, such as that good ultra-hydrophobicity, preferable wear-resisting property, flow impact resistant, corrosion resistance, adhesion strength are strong, applied widely, and preparation method is simply easily implemented, and large area is suitble to use.
Description
Technical field
The invention belongs to the preparation field of coating, it is related to a kind of super hydrophobic coating and its preparation and application, specifically relates to
And super-hydrophobic composite coating of a kind of multiple fluorinated epoxy of full stress-strain and preparation method thereof and application method.
Background technology
Because of the applicability in the fields such as automatically cleaning, anti-icing, water-oil separating, contact angle is less than 10 ° more than 150 °, roll angle
Super-hydrophobic phenomenon attract wide attention in recent years.And it usually requires to meet two studies have shown that preparing super hydrophobic surface
Condition：Micro-nano secondary structure is constructed using low-surface energy substance and in material surface.
At present prepare super hydrophobic surface method have sol-gel method, chemical vapor deposition, phase separation, electro-deposition and
The shortcomings of laser engraving etc., these methods are usually present preparation trouble, and condition is harsh.Use micron or the particle of nanometer particle size
Roughness to improve hydrophobic surface is an effective method, and common particle has SiO2、Fe3O4, ZnO, PTFE etc..
In known a large amount of methods, prepared super hydrophobic surface due to being impacted by water pressure resistance, wearability and corrosion resistant
The bad restriction of the performances such as corrosion and be difficult to large-scale application.Therefore, development is a kind of having good hydrophobicity, wearability, water-fast
The super hydrophobic coating of stream impact and corrosion resistance has great importance.
Invention content
It is a kind of with good super-hydrophobicity the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide
Energy, preferable wear-resisting property, flow impact resistant, corrosion resistance, the multiple fluorinated epoxy of full stress-strain that adhesion strength is strong, applied widely surpass
Hydrophobic composite coating and preparation method thereof and application method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of super-hydrophobic composite coating of multiple fluorinated epoxy of full stress-strain, the multiple fluorinated epoxy of full stress-strain are super-hydrophobic compound
Coating includes coating system and curing agent；
The coating system includes epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether and organic solvent；
The epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether mass ratio be 1: 0.4~3.5: 0.1~0.3；
The quality of the organic solvent and the epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether gross mass it
Than being 1.5~10: 1；
The curing agent is prepared by diethylenetriamine and perfluorobutyric acid are reacted.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is preferred that the epoxy resin, polytetrafluoroethyl-ne
Alkene particle, poly- perfluoro-methyl isopropyl ether mass ratio be 1: 1~3: 0.2~0.3.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is furthermore preferred that the epoxy resin, polytetrafluoro
Polyethylene particles, poly- perfluoro-methyl isopropyl ether quality proportioning be 1: 1.5~3: 0.2.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is preferred that the epoxy resin is E-51 rings
One kind in oxygen resin, E-44 epoxy resin, E-42 epoxy resin；
And/or the organic solvent is acetone, ethyl alcohol or ethyl acetate；
And/or the purity of the diethylenetriamine is 99% or more, the purity of the perfluorobutyric acid is 99.5% or more.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is furthermore preferred that the diethylenetriamine with it is complete
The molar ratio of fluorine butyric acid is 1: 1~2.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is further preferred that the diethylenetriamine
Molar ratio with perfluorobutyric acid is 1: 1, and the epoxy resin is E-51 epoxy resin, the epoxy resin and the curing agent
Mass ratio is 10: 4.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is preferred that the polytetrafluoroethylene (PTFE) particle
Average grain diameter is 100nm~1 μm.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of above-mentioned full stress-strain, it is furthermore preferred that the polytetrafluoroethylene (PTFE) particle
Average grain diameter be 100nm~200nm.
The technical concept total as one, the present invention also provides a kind of multiple fluorinated epoxy of above-mentioned full stress-strain is super-hydrophobic multiple
The preparation method of coating is closed, the preparation method includes the preparation of coating system and the preparation of curing agent：
The preparation process of the coating system is as follows：Epoxy resin is dissolved in the organic solvent of part, epoxy resin is obtained
Solution；Polytetrafluoroethylene (PTFE) particle is scattered in another part organic solvent, polytetrafluoroethylene (PTFE) suspension is obtained；By polytetrafluoroethyl-ne
Alkene suspension is mixed with epoxy resin solution, after agitated, poly- perfluoro-methyl isopropyl ether is added, continues to stir, obtains coating
System；
The preparation process of the curing agent is as follows：First diethylenetriamine and perfluorobutyric acid are dissolved separately in solvent, so
Gained perfluorobutyric acid solution is added in gained diethylenetriamine solution afterwards, after perfluorinated reaction, solvent is removed, is cured
Agent.
The technical concept total as one, the present invention also provides a kind of multiple fluorinated epoxy of above-mentioned full stress-strain is super-hydrophobic multiple
The application method of the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain made from coating or above-mentioned preparation method is closed, including
Following steps：Curing agent is dissolved in diluent, gained curing agent solution is added in the coating system, is uniformly mixed
Afterwards, it is coated on required surface cure.
In the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the present invention, the quality of curing agent and 100g epoxy resin
Than being obtained according to the calculation formula of the epoxide number of amine equivalent × epoxy resin of the amine of curing agent dosage=curing agent, specifically
Calculating process is the common knowledge of this field, the i.e. molar ratio of diethylenetriamine and perfluorobutyric acid, the concrete model of epoxy resin
After determination, the mass ratio of curing agent and epoxy resin also determines.Wherein, the amine equivalent of curing agent is by diethylenetriamine and perfluor
The molar ratio 1: a of butyric acid（a≤2）It determines, amine equivalent is（103+214a-18a）/（5-a）, wherein 103 be diethylenetriamine
Molecular mass, 214 be perfluorobutyric acid molecular mass, 18 by generation water molecular mass,（103+214a-18a）For new life
The molecular mass of curing agent is produced,（5-a）For contained active hydrogen number.
In the preparation method of the present invention, solvent for use is preferably water or ethyl alcohol in the preparation of the curing agent.
In the application method of the present invention, the solidification is to cure 12h or to cure 1h at 100 DEG C at normal temperatures, but unlimited
In this.
In the application method of the present invention, the diluent is acetone, ethyl alcohol or ethyl acetate, is preferably had with coating system
Solvent is consistent.
Compared with the prior art, the advantages of the present invention are as follows：
1, the present invention provides a kind of super-hydrophobic composite coatings of the multiple fluorinated epoxy of full stress-strain, including coating system and solidification
Agent, wherein coating system include that epoxy resin, polytetrafluoroethylene (PTFE) particle and poly- perfluoro-methyl isopropyl ether, curing agent are by diethyl
Alkene triamine and perfluorobutyric acid is reacted is made.Full stress-strain coating has unique advantage at corrosion-resistant aspect in the present invention, multiple
Fluorination is then conducive to hydrophobic properties of the surface and the raising on corrosion resistance, epoxy resin possess excellent mechanical property,
Resistance to chemical corrosion and adhesive property with substrate, these three important technical characteristics play in the composite coating of the present invention
Synergistic effect makes the multiple fluorinated epoxy of the full stress-strain super-hydrophobic composite coating of the present invention have excellent super-hydrophobicity
Energy, preferable wear-resisting property, flow impact resistant, corrosion resistance, adhesion strength be strong, the performances such as applied widely.
2, the super hydrophobic surface prepared by super-hydrophobic composite coating of the invention has good in terms of anti-current-rush
Performance can bear flow velocity and be up to 34m/s（Weber number 43000）Water impact, indoor and outdoor can be met to a certain extent
Large-scale application.
3, the super hydrophobic surface prepared by the super-hydrophobic composite coating of the present invention has good corrosion resistance, is soaked in chloroazotic acid
It steeps and is impregnated for 24 hours in the NaOH solution of 1h and 1mol/L, still can all keep super-hydrophobic state.
4, the super hydrophobic surface prepared by super-hydrophobic composite coating of the invention has excellent wear-resisting property, cycle 100
After secondary, the contact angle of the sample surfaces at 5cm still can be maintained at 145 ° or more.
5, the super hydrophobic surface prepared by super-hydrophobic composite coating of the invention has the characteristics that, warp strong with substrate adhesion strength
Adhesion strength is tested, and after cycle 30 times, surface still keeps ultra-hydrophobicity.
6, preparation method is simple for the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the invention, at low cost
Honest and clean, application method is convenient and efficient, simple to operation, and the large area for being suitable for unlike material substrate uses.
Description of the drawings
Fig. 1 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
SEM schemes（Amplification factor is 10000 times）.
Fig. 2 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
Adhesion property test method schematic diagram.
Fig. 3 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
Adhesion property test result figure.
Fig. 4 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
Wear-resisting property test method schematic diagram.
Fig. 5 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
Wear-resisting property test result figure.
Fig. 6 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the embodiment of the present invention 1
Flow impact resistant test method schematic diagram.
Fig. 7 is that coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain exists in the embodiment of the present invention 1
The outdoor scene high-speed camera shooting figure of different time under the water impact of 34m/s.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Material and instrument employed in following embodiment are commercially available, and wherein the purity of diethylenetriamine is 99% or more,
The purity of perfluorobutyric acid is 99.5% or more.
Embodiment 1：
A kind of super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the present invention, which includes coating
System and curing agent.
Coating system includes 3g E-51 epoxy resin, 10.5g polytetrafluoroethylene (PTFE) particle, the poly- perfluoro-methyl isopropyls of 0.3g
Ether and 35ml acetone；The average grain diameter of polytetrafluoroethylene (PTFE) particle is 100nm.
Curing agent is prepared by the perfluorinated reaction of diethylenetriamine and perfluorobutyric acid, diethylenetriamine and perfluorobutyric acid
Molar ratio be 1: 1.
The mass ratio of E-51 epoxy resin and curing agent is 10: 4.
A kind of preparation method of the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of above-mentioned the present embodiment, including coating
The preparation of system and the preparation of curing agent.
The preparation process of coating system is as follows：First, 3g E-51 epoxy resin is dissolved in 5ml acetone, obtains epoxy
The acetone soln of resin；The polytetrafluoroethylene (PTFE) particle that 10.5g average grain diameters are 100nm is scattered in 30ml acetone, and is used
Electromagnetic mixer disperses 10min under the rotating speed of 1000r/min, obtains evenly dispersed polytetrafluoroethylene (PTFE) particle suspension.So
Afterwards, polytetrafluoroethylene (PTFE) particle suspension is added in the acetone soln of epoxy resin, electromagnetic mixer is used in combination to stir 15min, protected
Card is sufficiently mixed.Finally, the poly- perfluoro-methyl isopropyl ethers of 0.3g are added, and disperse 20min under the rotating speed of 1000 r/min, obtain
To coating system.
The preparation process of curing agent is as follows：First, 0.01mol diethylenetriamines are dissolved in 10ml deionized waters, are obtained
To diethylenetriamine solution；0.01mol perfluorobutyric acids are dissolved in 10ml deionized waters, perfluorobutyric acid solution is obtained.Then
Perfluorobutyric acid solution is added drop-wise to dropwise in diethylenetriamine solution and carries out fluorination reaction, after the completion of reaction, by reaction mixture plus
Heat makes deionized water evaporate to 100 DEG C, obtains curing agent.For convenience of the progress of experimental implementation and reaction, the present embodiment is prepared for
Excessive curing agent takes solidification of the 1.2g curing agent therein as the super-hydrophobic composite coating of above-mentioned the present embodiment after the completion of preparing
Agent component.
A kind of application method of the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of above-mentioned the present embodiment, including it is following
Step：First, the curing agent prepared by 1.2g is dissolved in 10ml acetone, is then added to the acetone soln of curing agent
In 41.4g coating systems, 20min is disperseed under the rotating speed of 1000r/min, then uses ultrasonic disperse 15min, then 1000
Disperse 5min under the rotating speed of r/min.Finally, mixed uniformly coating is coated to aluminium using the mode of spraying or roller coating, brushing
In plate substrate, cures 12h at room temperature or cure 1h hours under the conditions of 100 DEG C, it is super thin to obtain the multiple fluorinated epoxy of full stress-strain
The coating sample of water composite coating, the sample have the super-hydrophobic of the performances such as flow impact resistant, corrosion-resistant, wear-resisting, adhesion strength be strong
Surface, contact angle are 160 °~165 °, and roll angle is less than 2 °.
Fig. 1 is the SEM figures of coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the present embodiment
（Amplification factor is 10000 times）.The micro-nano secondary structure of coating surface can be obviously observed from Fig. 1, this is to super-hydrophobicity
It can be most important.
Fig. 2 is the adhesiveness of coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the present embodiment
Energy test method schematic diagram, uses the adhesive plaster of strong adhesion strength（Reach 3900N/m with the adhesion values of steel surface）To surface into
The adherency and tearing procedure that row repeats.Result such as Fig. 3 institutes that the adhesion strength of coating sample is tested using the method for Fig. 2
Show, from the figure 3, it may be seen that the super hydrophobic surface prepared by the present invention have the characteristics that it is strong with substrate adhesion strength, cycle 30 times after, table
Face still keeps ultra-hydrophobicity.
Fig. 4 is the wearability of coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the present embodiment
Energy test method schematic diagram, the sample for being coated with super-hydrophobic coat repeats to plug in filling beaker gritty, and measures not
With the contact angle values under depth conditions under differentiated friction number.Properties of sample is carried out using the abrasion resistance test method of Fig. 4
The results are shown in Figure 5 for test, and as shown in Figure 5, the super hydrophobic surface prepared by the present invention has excellent wear-resisting property, cycle
After 100 times, the contact angle of the sample surfaces at h=5cm still can be maintained at 145 ° or more.
Fig. 6 is the resistance to flow of coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the present embodiment
Impact test method schematic diagram.Water column different in flow rate is generated using high pressure nitrogen under computer and carry out shock surface, and make
Impact process is recorded with high-speed camera.Result such as Fig. 7 institutes that properties of sample is tested using the method for Fig. 6
Show, Fig. 7 is coating sample prepared by the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain in the present embodiment in 34m/s（Reynolds
Number 43000）Water impact under different time outdoor scene high-speed camera shooting figure.As shown in Figure 7, after water impact, surface
It remains to keep preferable super-hydrophobic state.
Super hydrophobic surface prepared by the present invention has good corrosion resistance, impregnates 1h's and 1mol/L in chloroazotic acid
It is impregnated in NaOH solution for 24 hours, still can all keep super-hydrophobic state.
Comparative example 1：
1 part of diethylenetriamine, 10 parts of E-51 epoxy resin and 10 parts of acetone are mixed and are sufficiently stirred to obtain mixture
Mixed system, is then uniformly applied on aluminium sheet by system.The contact angle on acquired surface is 40 °~45 ° after solidification.
Comparative example 2：
Curing agent prepared in 4 parts of embodiments 1 is mixed and is sufficiently stirred with 10 parts of E-51 epoxy resin, 10 parts of acetone
Obtained mixed system is uniformly on coating to aluminium sheet.The contact angle on acquired surface is 77 °~82 ° after solidification.
Comparative example 3：
By curing agent and 10 parts of E-51 epoxy resin, 1.5 parts of poly- perfluoro-methyl isopropyls prepared in 4 parts of embodiments 1
Ether, 10 parts of acetone mix and the mixed system being sufficiently stirred uniformly is coated to aluminium sheet.Acquired surface connects after solidification
Feeler is 90 °~95 °.
Embodiment 2：
A kind of super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the present invention and preparation method thereof and application method, with
Embodiment 1 is essentially identical, differs only in：When in use, substrate used is glass or A4 paper, epoxy resin board, steel plate.Gained
The coating surface of super-hydrophobic composite coating and the contact angle of water are 160 °~165 °, and roll angle is less than 2 °.
Embodiment 3：
A kind of super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain of the present invention and preparation method thereof and application method, with
Embodiment 1 is essentially identical, differs only in：In super-hydrophobic composite coating, polytetrafluoroethylene (PTFE) particle used is 4.5g.Gained is super thin
The coating surface of water composite coating and the contact angle of water are 150 °~153 °.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It is noted that for the art
Those of ordinary skill for, improvements and modifications without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of super-hydrophobic composite coating of multiple fluorinated epoxy of full stress-strain, which is characterized in that the multiple fluorinated epoxy of full stress-strain
Super-hydrophobic composite coating includes coating system and curing agent；
The coating system includes epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether and organic solvent；It is described
Epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether mass ratio be 1: 0.4~3.5: 0.1~0.3；It is described
The quality of organic solvent and the ratio between the gross mass of the epoxy resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether are
1.5~10: 1；
The curing agent is prepared by diethylenetriamine and perfluorobutyric acid are reacted.
2. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to claim 1, which is characterized in that the epoxy
Resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether mass ratio be 1: 1~3: 0.2~0.3.
3. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to claim 2, which is characterized in that the epoxy
Resin, polytetrafluoroethylene (PTFE) particle, poly- perfluoro-methyl isopropyl ether quality proportioning be 1: 1.5~3: 0.2.
4. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain described in any one of claim 1 to 3, feature exist
In the epoxy resin is one kind in E-51 epoxy resin, E-44 epoxy resin, E-42 epoxy resin；
And/or the organic solvent is acetone, ethyl alcohol or ethyl acetate；
And/or the purity of the diethylenetriamine is 99% or more, the purity of the perfluorobutyric acid is 99.5% or more.
5. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to claim 4, which is characterized in that the diethyl
The molar ratio of alkene triamine and perfluorobutyric acid is 1: 1~2.
6. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to claim 5, which is characterized in that the diethyl
The molar ratio of alkene triamine and perfluorobutyric acid be 1: 1, the epoxy resin be E-51 epoxy resin, the epoxy resin with it is described solid
The mass ratio of agent is 10: 4.
7. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain described in any one of claim 1 to 3, feature exist
In the average grain diameter of the polytetrafluoroethylene (PTFE) particle is 100nm~1 μm.
8. the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to claim 7, which is characterized in that described poly- four
The average grain diameter of vinyl fluoride particle is 100nm~200nm.
9. a kind of preparation of such as super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to any one of claims 1 to 8
Method, which is characterized in that the preparation method includes the preparation of coating system and the preparation of curing agent：
The preparation process of the coating system is as follows：Epoxy resin is dissolved in the organic solvent of part, epoxy resin solution is obtained；
Polytetrafluoroethylene (PTFE) particle is scattered in another part organic solvent, polytetrafluoroethylene (PTFE) suspension is obtained；Polytetrafluoroethylene (PTFE) is hanged
Turbid is mixed with epoxy resin solution, after agitated, poly- perfluoro-methyl isopropyl ether is added, continues to stir, obtains coating system；
The preparation process of the curing agent is as follows：First diethylenetriamine and perfluorobutyric acid are dissolved separately in solvent, then will
Gained perfluorobutyric acid solution is added in gained diethylenetriamine solution, after perfluorinated reaction, is removed solvent, is obtained curing agent.
10. a kind of such as the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain according to any one of claims 1 to 8 or such as
The application method of the super-hydrophobic composite coating of the multiple fluorinated epoxy of full stress-strain made from preparation method described in claim 9, it is special
Sign is, includes the following steps：Curing agent is dissolved in diluent, gained curing agent solution is added to the coating system
In, after mixing, it is coated on required surface cure.
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| CN109777012B (en) * | 2019-01-30 | 2021-08-13 | 中国人民解放军国防科技大学 | Epoxy-based super-hydrophobic fiber reinforced composite material and preparation method thereof |
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| CN110272668A (en) * | 2019-06-19 | 2019-09-24 | 东南大学 | A kind of super-hydrophobic coat and preparation method thereof |
| CN111117384A (en) * | 2020-01-06 | 2020-05-08 | 哈尔滨工业大学 | Preparation method of high-mechanical-strength wear-resistant corrosion-resistant super-hydrophobic coating material |
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| CN113637370A (en) * | 2021-08-03 | 2021-11-12 | 广州先进技术研究所 | Super-lyophobic surface material based on all-polymer and preparation method thereof |
| CN116875122A (en) * | 2023-07-26 | 2023-10-13 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Super-hydrophobic alkali-resistant fiber reinforced composite material and preparation method thereof |
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| CN102993853A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | Non-toxic releasing anti-fouling paint and preparation method thereof |
| CN105646848A (en) * | 2016-03-18 | 2016-06-08 | 咸阳伟华绝缘材料有限公司 | Fluorine-containing catalyst capable of improving water resistance of epoxy resin/amine curing system and preparation method thereof |
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