CN107177304B - A kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat and preparation method thereof - Google Patents

A kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat and preparation method thereof Download PDF

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CN107177304B
CN107177304B CN201710424492.0A CN201710424492A CN107177304B CN 107177304 B CN107177304 B CN 107177304B CN 201710424492 A CN201710424492 A CN 201710424492A CN 107177304 B CN107177304 B CN 107177304B
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super
mesoporous
benzoxazine
water
recoverable
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CN107177304A (en
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王智
朱慧斌
刘亚青
张磊
赵贵哲
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North University of China
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D179/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/02Polyamines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/02Polyamines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/22Expanded, porous or hollow particles
    • C08K7/24Expanded, porous or hollow particles inorganic
    • C08K7/26Silicon- containing compounds

Abstract

The present invention relates to super hydrophobic surface field, specifically a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat and preparation method thereof will be specifically introduced into super hydrophobic surface with the interface structure that crosslink density gradient changes.The coating is then blended with benzoxazine by the way that imidazoles or imidazoles salt are carried in mesoporous material, is obtained coated on removal solvent, crosslinking curing, cooling after substrate surface.Super-hydrophobic coat of the invention forms " inorganic-organic interpenetrating networks " structure of benzoxazine and mesoporous material and formed from mesoporous material center to matrix free diffusing due to the catalyst concn interface structure of polybenzoxazine crosslink density gradient variation after solidifying.

Description

A kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat and preparation method thereof
Technical field
The present invention relates to super hydrophobic surface field, specifically a kind of salt spray resistance, recoverable benzoxazine based super hydrophobic are applied Layer and preparation method thereof, will specifically be introduced into super hydrophobic surface with the interface structure that crosslink density gradient changes.
Background technique
Sea metal and defense force and national economy are closely coupled, and it is comprehensive that superior service performance will greatly improve country National power is closed, national economy is improved.Since there are a large amount of chloride ions in seawater, meanwhile, it is big there is also having in naval air environment Therefore the free chlorine of amount even the good stainless steel of corrosion resistance, can also corrode under marine environment, causes to make With performance degradation, this strong influence service life of material, while serious property loss can be also caused to people With great security risk, therefore, research and development anticorrosion material becomes the common focus of attention in China or even the whole world.
The method of anticorrosive metal has very much, and wherein surface covering protection is easy to operate, at low cost due to having many advantages, such as, As the most widely used anti-corrosion method.But traditional protection by metallic coating can generate a large amount of wastes, bring serious Environmental pollution.In recent years, environmental-friendly coating protection technique comes into being, and wherein super-hydrophobic film technology is antifouling with its, certainly clear The characteristics such as clean cause the extensive concern of people.The distinctive micro-nano structure of super hydrophobic surface can wrap up air, in material table Face forms airbag, to have repulsive interaction to water-soluble medium, solution and corrosive ions can be prevented to contact with substrate, therefore energy Enough chloride ions effectively prevented in solution and solution penetrate into coating, improve the corrosion resistance of material.Chinese patent (application Number: anticorrosive property Super-hydrophobic aluminium surface CN201410668488.5) is constructed using anodizing;Patent 2008101026910 Metal or metal alloy substrate is immersed in by preparation anti-corrosion super hydrophobic surface in perfluorinated aliphatic acid solution using infusion method;Patent 2013102281556 methods for using chemical plating, plate one layer of anti-corrosion super-hydrophobic film in safe valve surface.But the above method is all deposited In certain limitation, such as it is consumption mass energy, material expensive, complex steps, restricted to substrate, limit the wide of them General application, simultaneously because the micro-nano structure that super hydrophobic material itself is special so that super hydrophobic material it is too poor because there are wearabilities, The disadvantages of durability is not strong and lack use value.Patent 2012101785611, CN201410185923.9, CN201310291889.9 is also prepared for the super-hydrophobic coat with abrasion resistance properties, but there is the high, technique to substrate requirements The disadvantages of time is long, preparation is complicated;Chinese patent 201610470911X makes benzoxazine and mesoporous two using the method for spraying Silica forms inorganic-organic interpenetrating networks and prepares wear-resisting super-hydrophobic coat, although preparation process is simple, interface is bonded Few, wearability is still poor.Therefore, research and develop energy-saving and emission-reduction, cheap, simple process simultaneously again have it is anti-corrosion, wear-resisting, can Restorative super hydrophobic material is of great significance and practical application value.
Summary of the invention
Compared to patent (patent No.: 201610470911X), the catalyst of benzoxazine is introduced into super-hydrophobic by the present invention In system, the curing reaction temperature of benzoxazine is reduced, extends the curing reaction time.It is special using mesoporous material itself simultaneously Different hole configurations, on it by catalyst load.When benzoxazine has the mesoporous material of catalyst to be blended with load, catalysis Agent can be spread from mesoporous material to matrix resin, form concentration gradient variation;The catalysis that benzoxazine changes in concentration gradient Under the catalytic action of agent, crosslink density gradient variation is formed while forming " inorganic-organic interpenetrating networks " with mesoporous material Interface structure, so that the surface topography of super hydrophobic material is more perfect, mechanical property is more preferably excellent.Surpass prepared by the present invention Hydrophobic coating has good salt fog resistance, and can restore the super-hydrophobicity lost by salt fog.
The purpose of the present invention is to provide a kind of simple process, easy to use, low energy consumption, it is reproducible, have it is good The salt spray resistance of application value, recoverable super-hydrophobic coat and preparation method thereof.
The present invention is achieved by the following technical solutions: a kind of salt spray resistance, recoverable benzoxazine based super hydrophobic apply Layer, which be blended afterwards with benzoxazine by the way that imidazoles or imidazoles salt are carried in mesoporous material, is coated on substrate Removal solvent, crosslinking curing, cooling obtain behind surface.
Super-hydrophobic coat of the invention forms " the inorganic-organic interpenetrating networks " of benzoxazine and mesoporous material after solidifying Structure and the polybenzoxazine crosslink density gradient formed from mesoporous material center to matrix free diffusing due to catalyst concn The interface structure of variation.
In the present invention, involved salt spray test method is tested according to GB/T 1771-91;Super-hydrophobic coat Superhydrophobic characteristic disappear after salt spray test, then by after test sample surfaces impregnate in water, be put into baking oven carry out heat Processing (temperature is room temperature to 600 DEG C), that is, may make coat resuming super-hydrophobicity.
Therefore, invention further provides at above-mentioned salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat salt fog Super-hydrophobicity restoration methods after reason, include the following steps:
The substrate of salt fog treated coating is impregnated in water, is then put into baking oven and is heat-treated So that coat resuming super-hydrophobicity.
Restoration methods provided by the present invention are simple to operate, and economically feasible is reproducible.
The present invention additionally provides the preparation method of a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat, steps Suddenly include:
(1) mesoporous material and imidazoles or imidazoles salt are soluble in water, stirring, ultrasound obtain suspension, then remove Water obtains the mesoporous material that load has catalyst;
(2) benzoxazine is dissolved in solvent, stirring, ultrasound obtain transparent clear solution;
(3) mesoporous material that load has catalyst in step (1) is added in the benzoxazine solution in step (2), Stirring, ultrasound, obtain suspension;
(4) using the method for spraying or spin coating, homogeneous dispersion prepared by step (3) is applied to substrate surface, so Material is put into baking oven afterwards, removes solvents in 120 DEG C or less holding a few hours, in 120 DEG C of -400 DEG C of crosslinking curing a few hours, Super-hydrophobic coat is obtained after cooling.
Preparation method of the present invention, simple process, easy to operate, low energy consumption, reproducible, while gained coating is hydrophobic Property it is good, can large area use, have broad application prospects in the fields such as modern industry and marine worker project.
As the further improvement of technical solution of the present invention, each raw material is in terms of mass parts, and 10-80 parts of mesoporous material, benzo 100 parts of oxazines, 1-15 parts of salt of imidazoles or imidazoles.
As the further improvement of technical solution of the present invention, the benzoxazine is bisphenol A benzoxazine, bisphenol AF benzene And one of oxazines, MDA type benzoxazine.These benzoxazine resins have the characteristics that low-surface-energy.
As the further improvement of technical solution of the present invention, the mesoporous material is mesoporous SiO2(such as: in SBA system class SBA-15, SBA-16 etc., the MCM-41 etc. in MCM system class), mesoporous TiO2, mesoporous MnO2One of or it is a variety of arbitrarily to compare The mixture of example mixing.
As the further improvement of technical solution of the present invention, the substrate is the dedicated iron plate of salt spray test.The salt Mist tests the iron plate that dedicated iron plate is GB/T 1771-91 defined.
As the further improvement of technical solution of the present invention, the solvent is tetrahydrofuran, toluene or acetone.
As the further improvement of technical solution of the present invention, the water is distilled water, deionized water or ultrapure water.
Invention further provides the systems of a kind of any of the above-described salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat The super-hydrophobic coat salt fog that Preparation Method prepares treated super-hydrophobicity restoration methods, include the following steps:
The substrate of salt fog treated coating is impregnated in water, is then put into baking oven and is heat-treated So that coat resuming super-hydrophobicity.
Detailed description of the invention
Fig. 1 is that salt spray resistance, the recoverable benzoxazinyl- super-hydrophobic coat intermediary's Porous materials that embodiment 1 is prepared are inhaled Attached imidazoles or imidazoles salt (catalyst) and the schematic diagram for forming certain concentration gradient.
Fig. 2 is the preparation method using the embodiment of the present invention 1 but is not added with coating (comparative example) and reality that catalyst obtains Apply salt spray resistance, the BET adsorption/desorption comparison diagram (2-1) of recoverable benzoxazinyl- super-hydrophobic coat, hole that example 1 is prepared Diameter profiles versus schemes (2-2).
Fig. 3 is the preparation method using the embodiment of the present invention 1 but is not added with coating (comparative example) and reality that catalyst obtains Apply the DSC comparison diagram of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat that example 1 is prepared.
Fig. 4 is salt spray resistance, the material object before recoverable benzoxazinyl- super-hydrophobic coat salt fog that embodiment 1 is prepared Figure.
Fig. 5 be embodiment 1 be prepared salt spray resistance, it is benzoxazinyl- super-hydrophobic coat salt fog 10 days recoverable after Pictorial diagram.
Fig. 6 be embodiment 1 be prepared salt spray resistance, the static state before recoverable benzoxazinyl- super-hydrophobic coat salt fog Water contact angle.
Fig. 7 be embodiment 1 be prepared salt spray resistance, it is benzoxazinyl- super-hydrophobic coat salt fog 10 days recoverable after it is quiet State water contact angle.
Fig. 8 be embodiment 1 be prepared salt spray resistance, it is benzoxazinyl- super-hydrophobic coat salt fog 10 days recoverable after it is extensive Multiple super-hydrophobicity Static water contact angles (sample surfaces i.e. above-mentioned by after test impregnate in water, be then put into baking oven into Row heat treatment (temperature is room temperature to 600 DEG C)).By Fig. 6 and Fig. 7 comparison it can be seen that super-hydrophobic coat of the present invention exists After handling through salt fog, by simple water immersion treatment and drying process, Static water contact angles can restore.
Fig. 9 be embodiment 1 be prepared salt spray resistance, SEM schemes before recoverable benzoxazinyl- super-hydrophobic coat salt fog (A) and the SEM of super-hydrophobic coat prepared by comparison patent (patent No.: 201610470911X) schemes (B).
Figure 10 be embodiment 1 be prepared salt spray resistance, rub before recoverable benzoxazinyl- super-hydrophobic coat salt fog Apart from corresponding contact angle figure and compare super-hydrophobic coat friction prepared by patent (patent No.: 201610470911X) Apart from corresponding contact angle figure.
Figure 11 is salt spray resistance, the section before recoverable benzoxazinyl- super-hydrophobic coat salt fog that embodiment 1 is prepared SEM schemes super-hydrophobic coat section SEM figure (B) prepared by (A) and comparison patent (patent No.: 201610470911X).
Specific embodiment
The invention will be further described with reference to embodiments, but the present invention is not limited to following embodiments
Embodiment 1
5 parts of imidazoles are added in 25 parts of mesoporous material SBA-15s and are added deionized water, stirring, ultrasound are then put into In electric air dry oven, 70 DEG C of air blast, dryings, until deionized water evaporating completely;100 parts of benzoxazines are dissolved in a certain amount of It in acetone, is sufficiently stirred, ultrasound, obtains transparent clear solution;The mesoporous material for being mixed with imidazoles is added to benzoxazine In acetone soln, stirring, ultrasound;Using the method for spraying, the homogeneous dispersion after ultrasound is sprayed at tinplate sheet at once On, material is put into baking oven, removes solvent in 120 DEG C or less holding a few hours, it is small in 120 DEG C of -400 DEG C of crosslinking curing numbers When, super hydrophobic surface is obtained after cooling (with 170.1 ° of water contact angle);The hydrophobicity of coating after testing friction: coating surface is put Onto the sand paper of 120 mesh, even speed is lauched in the pressure of 200g counterweight and moves 25cm, after the 250cm that rubs, the contact angle values with water Still for 167.2 ° (comparison patent (patent No.: 201610470911X), rub 125cm after, it is (small with 124.3 ° of contact angle values of water In 150 °));It puts it into salt spray test chamber, carries out salt spray test according to GB/T 1771-91;It is observed that being coated with super-hydrophobic Coating surface does not find breakoff phenomenon, such as gets rusty, corrodes, and a large amount of iron rust occurs in blank iron plate;Measurement salt fog 10 days The hydrophobicity of material surface afterwards, the static contact angle mean value with water are 86.3 °;It puts it into deionized water and impregnates, and in Between change a water, then take out, dry surface, make it without obvious water stain, and be put into baking oven, in 120 DEG C of -400 DEG C of holdings Its hydrophobicity is taken out and measured to a few hours, and the static contact angle mean value with water is 169.6 °.Following table 1 is to provide according to fig. 2 The related datas such as the aperture of embodiment 1 and comparative example.
Table 1
Surface area (m2/g) Pore volume (cm3/g) Aperture (nm)
Comparative example 595.44849 0.99012 9.25386
Embodiment 292.71539 0.72033 7.30158
Embodiment 2
15 parts of 2-methylimidazoles are added in 10 parts of mesoporous material SBA-16 and are added distilled water, are stirred, ultrasound, then It is put into electric air dry oven, 50 DEG C of air blast, dryings, until distilled water evaporating completely;100 parts of benzoxazines are dissolved in a certain amount of Tetrahydrofuran in, be sufficiently stirred, ultrasound, obtain transparent clear solution;The mesoporous material for being mixed with imidazoles is added to benzo In the tetrahydrofuran solution of oxazines, stirring, ultrasound;Using the method for spraying, at once by the spraying of the homogeneous dispersion after ultrasound In in tinplate sheet, material is put into baking oven, removes solvent in 120 DEG C or less holding a few hours, in 120 DEG C of -400 DEG C of crosslinkings Solidify a few hours, super hydrophobic surface is obtained after cooling (with 169.7 ° of water contact angle);The hydrophobicity of coating after testing friction: it will apply Layer surface is put on the sand paper of 120 mesh, is lauched even speed in the pressure of 200g counterweight and is moved 25cm, after the 250cm that rubs, with water Contact angle values be still 165.2 ° (comparison patent (patent No.: 201610470911X), after the 125cm that rubs, the contact angle with water 118.6 ° of value (less than 150 °));It puts it into salt spray test chamber, carries out salt spray test according to GB/T 1771-91;It is observed that It is coated with super-hydrophobic coat surface and does not find breakoff phenomenon, such as get rusty, corrode, and there is a large amount of iron rust in blank iron plate;It surveys The hydrophobicity of material surface after amount salt fog 10 days, the static contact angle mean value with water are 76.9 °;It puts it into deionized water Impregnate, and a water is changed in centre, then takes out, dries surface, make it without obvious water stain, and be put into baking oven, 120 DEG C- 400 DEG C of holding a few hours, its hydrophobicity is taken out and measures, the static contact angle mean value with water is 168.5 °.
Embodiment 3
15 parts of imidazoles are added in 80 parts of mesoporous material SBA-15s and are added ultrapure water, stirring, ultrasound are then put into electricity In air dry oven, 60 DEG C of air blast, dryings, until ultrapure water evaporating completely;100 parts of benzoxazines are dissolved in a certain amount of acetone In, it is sufficiently stirred, ultrasound, obtains transparent clear solution;The mesoporous material for being mixed with imidazoles is added to the acetone of benzoxazine In solution, stirring, ultrasound;Using the method for spin coating, being spun on the homogeneous dispersion after ultrasound in tinplate sheet, is incited somebody to action at once Material is put into baking oven, removes solvent in 120 DEG C or less holding a few hours, in 120 DEG C of -400 DEG C of crosslinking curing a few hours, cooling After obtain super hydrophobic surface (with 168.3 ° of water contact angle);The hydrophobicity of coating after testing friction: coating surface is put into 120 mesh Sand paper on, be lauched the even mobile 25cm of speed in the pressure of 200g counterweight, after the 225cm that rubs, the contact angle values with water be still for 166.8 ° (comparison patent (patent No.: 201610470911X) rubs after 125cm, (is less than with 120.2 ° of contact angle values of water 150°));It puts it into salt spray test chamber, carries out salt spray test according to GB/T 1771-91;It is observed that being coated with super-hydrophobic painting Layer surface does not find breakoff phenomenon, such as gets rusty, corrodes, and a large amount of iron rust occurs in blank iron plate;After measurement salt fog 10 days The hydrophobicity of material surface, the static contact angle mean value with water are 80.5 °;It puts it into deionized water and impregnates, and is intermediate A water is changed, then takes out, dry surface, makes it without obvious water stain, and be put into baking oven, in 120 DEG C of -400 DEG C of holding numbers Hour, its hydrophobicity is taken out and measures, the static contact angle mean value with water is 168.3 °.
Embodiment 4
1 part of 1- butyl -3- methylimidazole villaumite is added in 40 parts of Mesoporous silica MCM 41s and deionized water is added, it will Suspension stirring, ultrasound, are then put into electric air dry oven, 100 DEG C of air blast, dryings, until deionized water evaporating completely;It will 100 parts of benzoxazines are dissolved in a certain amount of tetrahydrofuran, are sufficiently stirred, ultrasound, are obtained transparent clear solution;Miaow will be mixed with The mesoporous material of azoles is added in the tetrahydrofuran solution of benzoxazine, stirring, ultrasound;Using the method for spraying, will surpass at once Being sprayed in tinplate sheet for homogeneous dispersion after sound, material is put into baking oven, is removed in 120 DEG C or less holding a few hours Solvent obtains super hydrophobic surface in 120 DEG C of -400 DEG C of crosslinking curing a few hours after cooling (with 169.4 ° of water contact angle);Test The hydrophobicity of coating after friction: coating surface being put on the sand paper of 120 mesh, and it is mobile to be lauched even speed in the pressure of 200g counterweight After 25cm, the 250cm that rubs, the contact angle values with water are still 168.3 °, and (comparison patent (patent No.: 201610470911X), rubs After wiping 125cm, with the contact angle values of water less than 150 °);It puts it into salt spray test chamber, carries out salt according to GB/T 1771-91 Mist test;It is observed that being coated with super-hydrophobic coat surface does not find breakoff phenomenon, such as gets rusty, corrodes, and blank iron plate occurs A large amount of iron rust;The hydrophobicity of material surface after measurement salt fog 10 days, the static contact angle mean value with water are 83.1 °;It is put Enter and impregnated into deionized water, and a water is changed in centre, then takes out, dries surface, makes it without obvious water stain, and be put into baking In case, in 120 DEG C of -400 DEG C of holding a few hours, its hydrophobicity is taken out and measures, the static contact angle mean value with water is 167.6 °.

Claims (7)

1. a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat, which is characterized in that the coating is by by imidazoles Or imidazoles salt is carried in mesoporous material, is then blended with benzoxazine, removes solvent, crosslinking admittedly after being coated on substrate surface Change, cooling obtains;The benzoxazine is bisphenol A benzoxazine, in bisphenol AF benzoxazine, MDA type benzoxazine One kind, the mesoporous material are mesoporous SiO2, mesoporous TiO2, mesoporous MnO2One of or it is a variety of with arbitrary proportion mixing Mixture.
2. the preparation method of a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat, which is characterized in that including walking as follows It is rapid:
(1) mesoporous material and imidazoles or imidazoles salt are soluble in water, stirring, ultrasound obtain suspension, then go to remove water, Obtain the mesoporous material that load has catalyst;The benzoxazine is bisphenol A benzoxazine, bisphenol AF benzoxazine, MDA type One of benzoxazine, the mesoporous material are mesoporous SiO2, mesoporous TiO2, mesoporous MnO2One of or it is a variety of with appoint The mixture of meaning ratio mixing;
(2) benzoxazine is dissolved in solvent, stirring, ultrasound obtain transparent clear solution;
(3) mesoporous material that load has catalyst in step (1) is added in the benzoxazine solution in step (2), stirring, Ultrasound obtains suspension;
(4) using the method for spraying or spin coating, then the substrate surface that is applied to of homogeneous dispersion prepared by step (3) will Material is put into baking oven, removes solvent in 120 DEG C or less holding a few hours, in 120 DEG C of -400 DEG C of crosslinking curing a few hours, cooling After obtain super-hydrophobic coat.
3. the preparation method of a kind of salt spray resistance according to claim 2, recoverable benzoxazinyl- super-hydrophobic coat, It being characterized in that, each raw material is in terms of mass parts, and 10-80 parts of mesoporous material, 100 parts of benzoxazine, imidazoles or imidazoles salt 1-15 Part.
4. the preparation method of a kind of salt spray resistance according to claim 2, recoverable benzoxazinyl- super-hydrophobic coat, It is characterized in that, the solvent is tetrahydrofuran, toluene or acetone.
5. the preparation method of a kind of salt spray resistance according to claim 2, recoverable benzoxazinyl- super-hydrophobic coat, It is characterized in that, the water is distilled water, deionized water or ultrapure water.
6. that treated is super-hydrophobic for a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat salt fog described in claim 1 Property restoration methods, which comprises the steps of:
The substrate of salt fog treated coating is impregnated in water, baking oven is then put into and is heat-treated, that is, may make painting Layer restores super-hydrophobicity.
7. the system of a kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat described in claim 2 to 5 any claim The super-hydrophobic coat salt fog that Preparation Method prepares treated super-hydrophobicity restoration methods, which is characterized in that including walking as follows It is rapid:
The substrate of salt fog treated coating is impregnated in water, baking oven is then put into and is heat-treated, that is, may make painting Layer restores super-hydrophobicity.
CN201710424492.0A 2017-06-07 2017-06-07 A kind of salt spray resistance, recoverable benzoxazinyl- super-hydrophobic coat and preparation method thereof Active CN107177304B (en)

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EP2752449A1 (en) * 2011-09-02 2014-07-09 Shengyi Technology Co., Ltd Halogen-free resin composition and method for preparation of copper clad laminate with same
CN106085113A (en) * 2016-06-24 2016-11-09 中北大学 A kind of super-hydrophobic wearing face and preparation method thereof

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Publication number Priority date Publication date Assignee Title
EP2752449A1 (en) * 2011-09-02 2014-07-09 Shengyi Technology Co., Ltd Halogen-free resin composition and method for preparation of copper clad laminate with same
CN106085113A (en) * 2016-06-24 2016-11-09 中北大学 A kind of super-hydrophobic wearing face and preparation method thereof

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* Cited by examiner, † Cited by third party
Title
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