CN108485393A - Hydrophobic oleophobic coating - Google Patents
Hydrophobic oleophobic coating Download PDFInfo
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- CN108485393A CN108485393A CN201810320485.0A CN201810320485A CN108485393A CN 108485393 A CN108485393 A CN 108485393A CN 201810320485 A CN201810320485 A CN 201810320485A CN 108485393 A CN108485393 A CN 108485393A
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Abstract
The invention discloses a kind of hydrophobic oleophobic coating, using fluorine-containing styrene-acrylic emulsion as the film forming matter in coating, and are modified to it with silane, increase the chemical bonding of fluorine-containing styrene-acrylic emulsion and nano-particle, enhance its hydrophobicity and adhesive force；Furthermore the fluorine-containing prepolymer of isocyanate group is added as curing agent, enhances the hydrophobicity of coating；By adding nano zine oxide (ZnO) particle and nano silicon dioxide (SiO2) particle as color stuffing Nanostructure fabrication, reaches coating oleophobic effects, and then has obtained the coating of automatically cleaning hydrophobic oleophobic.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of hydrophobic oleophobic coating.
Background technology
As German botanist's Bartelot finds that the special construction of lotus leaf surface has self from last century the seventies
Cleaning function, i.e., since " lotus leaf effect ", Rice Leaf, seabird feather, Raspberry-like structure etc. are recognized and are ground by people successively and make internal disorder or usurp.People
It does not get wet this, and the phenomenon that water droplet oneself can tumble referred to as super-hydrophobic phenomenon, the surface with this property is known as
Super hydrophobic surface.Currently, researcher is more for the research of super hydrophobic coating, but the type coating often easily stain oil stain and compared with
Hardly possible removal, therefore greatly limit the application and popularization of the type coating.Double open coats are due to alienation while it is for water and oil
Effect is easier compared with simple super-hydrophobic coat applied in daily life and industrial production.
Invention content
The main purpose of the present invention is to provide a kind of hydrophobic oleophobic coating, improve the automatically cleaning hydro-oleophobicity of coating,
And have many advantages, such as anti-corrosion, antifouling, weather-proof, chemical-resistant reagent, strong adhesive force.
To achieve the above object, the present invention provides a kind of hydrophobic oleophobic coating, and the hydrophobic oleophobic coating is by fluorine-containing phenylpropyl alcohol
Lotion, color stuffing and the fluorine-containing prepolymer of isocyanate group are prepared；Wherein, fluorine-containing styrene-acrylic emulsion and color stuffing are with mass ratio 1：
0.8 is mixed, by said mixture and the fluorine-containing prepolymer of isocyanate group with mass ratio 3.5：1 carries out being mixed to prepare hydrophobic dredge
Oil paint.
Optionally, the fluorine-containing styrene-acrylic emulsion is by dodecafluoroheptyl methacrylate (DFMA), butyl acrylate (BA), benzene
Ethylene (ST), γ-methacryloxypropyl trimethoxy silane (MPMS) and methyl methacrylate (MMA) are in acrylic acid
Under conditions of sodium water solution, potassium sulfate solution is used to be made as initiator.
Optionally, the color stuffing includes nano zine oxide (ZnO) particle and nano silicon dioxide (SiO2) particle.
Optionally, the nano silicon dioxide (SiO2) particle use Sol-gel methods, hydrolyze positive silicic acid under alkaline condition
Ethyl ester (TEOS) prepares spherical SiO2, then modification is carried out on its surface be made with ten difluoro heptyl propyl trimethoxy silicanes.
Optionally, the nano zine oxide (ZnO) uses direct precipitation method, and NH is added in soluble Zn salting liquid3·
H2O or NaOH precipitating reagents, as Zn in solution2+And OH-The ionic product of ion is more than compound precipitates Zn (OH)2Solubility product when it is heavy
Shallow lake be precipitated from solution, it is aged, be filtered, washed, dry, be heat-treated after obtain nanoscale ZnO.
Optionally, nano zine oxide (ZnO) particle and nano silicon dioxide (SiO2) particle is with mass ratio 1：1.6 into
Row is mixed to prepare color stuffing.
Optionally, the fluorine-containing prepolymer of the isocyanate group uses perfluoroalkyl ethanol and hexamethylene diisocyanate three
Aggressiveness (HDI trimer) is prepared.
Optionally, the fluorine-containing prepolymer preparation process of the isocyanate group is the perfluoroalkyl ethanol that will be measured and acetic acid fourth
Ester, methyl iso-butyl ketone (MIBK) hybrid reaction, heat up and are slowly stirred, and after waiting perfluoroalkyl ethanols to be completely dissolved, instill the two of 10%
Dibutyl tin laurate after being warming up to 70 DEG C, is added dropwise the mixed liquor of HDI trimer 3390 and butyl acetate, is added dropwise, and by
Step starts measurement-NCO content after being warming up to 90 DEG C of heat preservations 1 hour, and when-NCO content substantially constant, cooling down is to get to different
The fluorine-containing prepolymer of cyanic acid ester group.
Optionally, dispersant, levelling agent and antifoaming agent are also added in the hydrophobic oleophobic coating preparation.
Optionally, nano silicon dioxide and nano zine oxide are added to fluorine-containing styrene-acrylic emulsion by the hydrophobic oleophobic coating
In, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/min of rotating speed, then ultrasonic disperse is added
30min continues high-speed stirred 30min, and rotating speed 700r/min obtains dispersion, later, by above-mentioned dispersion and isocyanate group
The mixing of fluorine-containing prepolymer is to get to hydrophobic oleophobic coating.
A kind of hydrophobic oleophobic coating provided by the invention, using fluorine-containing styrene-acrylic emulsion as the film forming matter in coating, and
And it is modified with silane, increase the chemical bonding of fluorine-containing styrene-acrylic emulsion and nano-particle, enhances its hydrophobicity and adhesive force；Again
Person adds the fluorine-containing prepolymer of isocyanate group as curing agent, enhances the hydrophobicity of coating；By adding nano zine oxide (ZnO)
Particle and nano silicon dioxide (SiO2) particle as color stuffing Nanostructure fabrication, reaches coating oleophobic effects, and then obtain
The coating of automatically cleaning hydrophobic oleophobic.
Specific implementation mode
For the present invention is better described, it is easy to understand technical scheme of the present invention, of the invention is typical but non-limiting
Embodiment is as follows：
Raw material preparation：
Fluorine-containing styrene-acrylic emulsion：
15% mix monomer (butyl acrylate (BA), styrene (ST), methyl-prop are added in aqueous sodium acrylate solution
E pioic acid methyl ester (MMA) and γ-methacryloxypropyl trimethoxy silane (MPMS) are warming up to 78 DEG C, and it is left to be added 10%
There is blue-fluorescence to get to seed emulsion in right initiator potassium sulfate solution, the rear liquid of insulation reaction 15min or so.
Continue that remaining mix monomer and 60% initiator is slowly added dropwise in above-mentioned seed emulsion, about 2h is dripped off.Heat preservation is anti-
Answer 30min；82 DEG C are continuously heating to, dodecafluoroheptyl methacrylate (DFMA) and remaining initiator is added dropwise, about 1h is dripped off.It protects
1/10 initiator is added after temperature reaction 3h, 1h is kept the temperature, obtains the lotion of the micro- blueing light of milky after cooling, filtering, that is, contain fluorobenzene
Acrylic emulsion.
Color stuffing：
Nano silicon dioxide (SiO2) particle：
Ethyl orthosilicate (TEOS) prepares SiO by one condensation of hydrolysis2Reaction under conditions of acid catalysis and base catalysis
It can carry out.For the hydrolysis, reaction rate is higher when alkali is as catalyst, and system is more advantageous to relative to acid catalysis
More Si-OH groups are formed in a short time, to obtain the smaller SiO of more oligomeric-type grain sizes after autohemagglutination2Particle.
Using Sol-gel methods, TEOS is hydrolyzed under alkaline condition, prepares spherical SiO2, then with ten difluoro heptyl propyl
Trimethoxy silane is modified on its surface.Precise absolute ethyl alcohol and deionized water are added in reaction kettle, then measure
Catalyst ammonia water is added in system；Heating stirring, makes material be uniformly mixed, controlling reaction temperature, uniformly will in 1min
TEOS is added in system, held for some time.Reaction product is detached with centrifuge, is then added in solid deposits appropriate
Ethyl alcohol, ultrasonic vibration washing centrifuge, and take out solid deposits and obtain Nano-meter SiO_2 within dry 4 hours in 120 DEG C of baking ovens2。
In experiment, the control reaction time is 1~6 hour, and temperature is 25~65 DEG C, and amount of water is 13~19mol/L, and TEOS concentration is
0.1~0.4mol/L, ammonia concn are 0.2~1.2mol/L.
A certain amount of modified additive acetone (w=5%) is added in ethyl alcohol, a certain amount of ten difluoros heptan is added after mixing
Base propyl trimethoxy silicane is 3.5~4.5 with vinegar acid for adjusting pH value；Nano-silicon dioxide particle is added in the solution,
It is heated after ultrasonic disperse 0.5h, return stirring 6 hours, cooling centrifuges, 120 DEG C of drying.
Nano zine oxide (ZnO) particle：
Measure the Zn (NO of 1mol/L3)2Solution is added dropwise and Zn (NO while stirring in conical flask3)2Same volume
2mol/L NaOH solutions.It stands, ageing 36h.Generate Zn (OH)2After precipitation filtering, through repeatedly washing, it is placed in 80 in baking oven
4h is dried at DEG C.Dry Zn (OH)2It is placed in muffle furnace again after grinding, 3h is roasted at 600 DEG C.Grinding obtains after cooling
Nano zine oxide (ZnO) particle.
The fluorine-containing prepolymer of isocyanate group：
The perfluoroalkyl ethanol of metering is mixed with butyl acetate, methyl iso-butyl ketone (MIBK), is added in reaction kettle, starts to rise
Temperature is simultaneously slowly stirred, and when perfluoroalkyl ethanol is completely dissolved (after reaction solution bleach), 10% tin dilaurates are dripped in instillation 8~10
Dibutyl tin, after being warming up to 70 DEG C；Start the mixed liquor that HDI trimer 3390 and butyl acetate is added dropwise.It is dripped in 1 hour
Finish, and is gradually warming up to 90 DEG C.Heat preservation starts measurement-NCO content after 1 hour, when-NCO content substantially constant, cooling down.
Embodiment 1：
By nano silicon dioxide and nano zine oxide with mass ratio 1:0.8 is mixed, then with pigment 1:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 2：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1 is mixed, then with pigment 1:1 is added to
In fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 3：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.2 are mixed, then with pigment 1:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 4：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with pigment 1:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 5：
By nano silicon dioxide and nano zine oxide with mass ratio 1:2 are mixed, then with pigment 1:1 is added to
In fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 6：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with pigment 0.5:1 adds
Enter into fluorine-containing styrene-acrylic emulsion substrate, addition dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, rotating speed 1000~
1200r/min, then ultrasonic disperse 30min, continues high-speed stirred 30min, and rotating speed 700r/min obtains dispersion, later, will
Above-mentioned dispersion is with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 7：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with pigment 0.6:1 adds
Enter into fluorine-containing styrene-acrylic emulsion substrate, addition dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, rotating speed 1000~
1200r/min, then ultrasonic disperse 30min, continues high-speed stirred 30min, and rotating speed 700r/min obtains dispersion, later, will
Above-mentioned dispersion is with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 8：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with pigment 0.8:1 adds
Enter into fluorine-containing styrene-acrylic emulsion substrate, addition dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, rotating speed 1000~
1200r/min, then ultrasonic disperse 30min, continues high-speed stirred 30min, and rotating speed 700r/min obtains dispersion, later, will
Above-mentioned dispersion is with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 9：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with pigment 1.2:1 adds
Enter into fluorine-containing styrene-acrylic emulsion substrate, addition dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, rotating speed 1000~
1200r/min, then ultrasonic disperse 30min, continues high-speed stirred 30min, and rotating speed 700r/min obtains dispersion, later, will
Above-mentioned dispersion is with the fluorine-containing prepolymer of isocyanate group with mass ratio 3:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 10：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 1:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 11：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 1.5:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 12：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 2:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 13：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 2.5:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 14：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3.5:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 15：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3.6:1 is mixed to get to hydrophobic oleophobic coating.
Embodiment 16：
By nano silicon dioxide and nano zine oxide with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added
Into fluorine-containing styrene-acrylic emulsion substrate, dispersant, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/ of rotating speed is added
Min, then ultrasonic disperse 30min, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned point
Object is dissipated with the fluorine-containing prepolymer of isocyanate group with mass ratio 4:1 is mixed to get to hydrophobic oleophobic coating.
By above example, hydrophobic oleophobic coating of the present invention is preferred, is made than material using following quality：By nanometer
Silica and nano zine oxide are with mass ratio 1:1.6 are mixed, then with face base 0.8:1 is added to fluorine-containing styrene-acrylic emulsion
In substrate, dispersant is added, levelling agent, antifoaming agent, high-speed stirred 30min, 1000~1200r/min of rotating speed are then ultrasonic to divide
30min is dissipated, continues high-speed stirred 30min, rotating speed 700r/min obtains dispersion, later, by above-mentioned dispersion and isocyanates
The fluorine-containing prepolymer of base is with mass ratio 3.5:1 is mixed to get to hydrophobic oleophobic coating.To the wearability of coating, intensity, hydrophobic
Oleophobic property is tested, and the overall performance of the coating is good, and surface strength is higher, for connecing for water, rapeseed oil and aircraft fluid
Feeler has respectively reached 156 °, 103 °, 100 °.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (10)
1. a kind of hydrophobic oleophobic coating, which is characterized in that the hydrophobic oleophobic coating is by fluorine-containing styrene-acrylic emulsion, color stuffing and isocyanide
The fluorine-containing prepolymer of perester radical is prepared；Wherein, fluorine-containing styrene-acrylic emulsion and color stuffing are with mass ratio 1：0.8 is mixed, will be upper
Mixture is stated with the fluorine-containing prepolymer of isocyanate group with mass ratio 3.5：1 carries out being mixed to prepare hydrophobic oleophobic coating.
2. hydrophobic oleophobic coating as described in claim 1, which is characterized in that the fluorine-containing styrene-acrylic emulsion is by methacrylic acid ten
Difluoro heptyl ester (DFMA), butyl acrylate (BA), styrene (ST), γ-methacryloxypropyl trimethoxy silane
(MPMS) and methyl methacrylate (MMA) is under conditions of aqueous sodium acrylate solution, uses potassium sulfate solution as initiator
It is made.
3. hydrophobic oleophobic coating as described in claim 1, which is characterized in that the color stuffing includes nano zine oxide (ZnO)
Particle and nano silicon dioxide (SiO2) particle.
4. hydrophobic oleophobic coating as claimed in claim 3, which is characterized in that the nano silicon dioxide (SiO2) particle use
Sol-gel methods, hydrolyzing tetraethoxy orthosilane (TEOS), prepares spherical SiO under alkaline condition2, then with ten difluoro heptyl propyl
Trimethoxy silane carries out modification on its surface and is made.
5. hydrophobic oleophobic coating as claimed in claim 3, which is characterized in that the nano zine oxide (ZnO) is using directly heavy
NH is added in soluble Zn salting liquid in shallow lake method3·H2O or NaOH precipitating reagents, as Zn in solution2+And OH-The ionic product of ion is super
Cross compound precipitates Zn (OH)2Solubility product when precipitation be precipitated from solution, it is aged, be filtered, washed, dry, be heat-treated after
Obtain nanoscale ZnO.
6. hydrophobic oleophobic coating as claimed in claim 3, which is characterized in that nano zine oxide (ZnO) particle and nanometer
Silica (SiO2) particle is with mass ratio 1：1.6 carry out being mixed to prepare color stuffing.
7. hydrophobic oleophobic coating as described in claim 1, which is characterized in that the fluorine-containing prepolymer of isocyanate group is using complete
Fluoroalkyl ethyl alcohol and hexamethylene diisocyanate trimer (HDI trimer) are prepared.
8. hydrophobic oleophobic coating as claimed in claim 7, which is characterized in that prepared by the fluorine-containing prepolymer of isocyanate group
Journey is the perfluoroalkyl ethanol that will be measured and butyl acetate, methyl iso-butyl ketone (MIBK) hybrid reaction, heats up and is slowly stirred, waits perfluors
After alkyl alcohol is completely dissolved, 10% dibutyl tin laurate is instilled, after being warming up to 70 DEG C, HDI trimer 3390 is added dropwise
With the mixed liquor of butyl acetate, be added dropwise, and be gradually warming up to 90 DEG C heat preservation 1 hour after start measurement-NCO content ,-NCO
When content substantially constant, cooling down is to get to the fluorine-containing prepolymer of isocyanate group.
9. hydrophobic oleophobic coating as described in claim 1, which is characterized in that also addition point in the hydrophobic oleophobic coating preparation
Powder, levelling agent and antifoaming agent.
10. hydrophobic oleophobic coating as claimed in claim 9, which is characterized in that the hydrophobic oleophobic coating is by nanometer titanium dioxide
Silicon and nano zine oxide are added in fluorine-containing styrene-acrylic emulsion, addition dispersant, levelling agent, antifoaming agent, high-speed stirred 30min,
1000~1200r/min of rotating speed, then ultrasonic disperse 30min, continues high-speed stirred 30min, and rotating speed 700r/min is disperseed
Object mixes with the fluorine-containing prepolymer of isocyanate group above-mentioned dispersion to get to hydrophobic oleophobic coating later.
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| CN201810320485.0A CN108485393A (en) | 2018-04-10 | 2018-04-10 | Hydrophobic oleophobic coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593392A (en) * | 2018-12-14 | 2019-04-09 | 郑州大学 | A kind of preparation method and application of water-soluble double thin modified materials |
| CN112517355A (en) * | 2020-11-20 | 2021-03-19 | 榆林学院 | Super-amphiphobic coating on surface of heat exchange tube, preparation process thereof and application of super-amphiphobic coating in methanol-to-olefin device |
| CN115838555A (en) * | 2022-10-19 | 2023-03-24 | 中昊北方涂料工业研究设计院有限公司 | Modified polymethyl methacrylate coating for organic glass and preparation and use methods thereof |
| CN116283159A (en) * | 2023-05-11 | 2023-06-23 | 连云港建港实业有限公司 | Process for preparing wear-resistant interlocking block by using iron ore screening material |
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2018
- 2018-04-10 CN CN201810320485.0A patent/CN108485393A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593392A (en) * | 2018-12-14 | 2019-04-09 | 郑州大学 | A kind of preparation method and application of water-soluble double thin modified materials |
| CN109593392B (en) * | 2018-12-14 | 2021-07-30 | 郑州大学 | Preparation method and application of water-soluble amphiphobic modified material |
| CN112517355A (en) * | 2020-11-20 | 2021-03-19 | 榆林学院 | Super-amphiphobic coating on surface of heat exchange tube, preparation process thereof and application of super-amphiphobic coating in methanol-to-olefin device |
| CN115838555A (en) * | 2022-10-19 | 2023-03-24 | 中昊北方涂料工业研究设计院有限公司 | Modified polymethyl methacrylate coating for organic glass and preparation and use methods thereof |
| CN115838555B (en) * | 2022-10-19 | 2024-01-02 | 中昊北方涂料工业研究设计院有限公司 | Modified polymethyl methacrylate coating for organic glass and preparation and use methods thereof |
| CN116283159A (en) * | 2023-05-11 | 2023-06-23 | 连云港建港实业有限公司 | Process for preparing wear-resistant interlocking block by using iron ore screening material |
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