CN109054567A - Superoleophobic spray of transparent hydrophobic and preparation method thereof - Google Patents
Superoleophobic spray of transparent hydrophobic and preparation method thereof Download PDFInfo
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- CN109054567A CN109054567A CN201811017460.XA CN201811017460A CN109054567A CN 109054567 A CN109054567 A CN 109054567A CN 201811017460 A CN201811017460 A CN 201811017460A CN 109054567 A CN109054567 A CN 109054567A
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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
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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Abstract
The present invention relates to hydrophobic oleophobic field of material preparation, are specially superoleophobic spray of transparent hydrophobic and preparation method thereof.It includes the raw material composition of following parts by weight: 50 ~ 100 parts of solvent, 20 ~ 45 parts of Water-and-oil repellant, 10 ~ 20 parts of dibutyltin dilaurate, 3 ~ 7 parts of polyalcohol, 5 ~ 15 parts of transparent powder, 3 ~ 12 parts of auxiliary agent.The present invention can significantly improve solvent resistance and antifouling property of the invention, and can reduce surface tension, improve levelling, increase the sliding sense in surface and gloss；The present invention can make surface hydrophobic oleophobic performance with super strength, and stability with higher by adding Water-and-oil repellant in the feed, be suitble to application in more complicated environment；Dibutyltin dilaurate in the present invention has the excellent transparency, lubricity, weatherability, and acting in the present invention can be such that finished product is transparent, finished surface gloss and excellent transparency after processing, no sulfide staining.
Description
Technical field
The present invention relates to hydrophobic oleophobic field of material preparation, are specially the superoleophobic spray of transparent hydrophobic and its preparation side
Method.
Background technique
Super hydrophobic material can effectively inhibit material surface oxidation, the attachment of burn into pollutant, icing frosting by it and subtract
Few material surface electric current conduction etc. and by the concern of people, these special performances make it in building, steamer, electrically set
There is very big application value in terms of the surfacecti proteon of standby, sanitary ware, satellite antenna, cable, glass etc..
A kind of super transparent hydrophobic oleophobic films of existing Chinese patent and preparation method (CN201710357080.X), including such as
Lower step: S1, synthesis base resin；S2, synthesis compound A；S3, synthesis compound B；S4, synthesis modification ZnO Nanoparticles；
S5, synthesis ZnO Modified resin；S6, film forming form super transparent hydrophobic oleophobic films.Present invention further teaches a kind of super
Bright hydrophobic oleophobic film, is prepared using the above method, and surface is dendron shape micro-nano structure.Film clarity of the invention is good,
Hydrophobic and oleophobic performance is good, has wide practical use in object surface protection field；The preparation method process of film of the present invention
Simply, reaction condition is mild, and controllability is good, and the atom utilization in the reaction is high, and the conversion ratio of reaction is almost attained by
100%, and the solvent used is few, last handling process is few, has saved cost, saves the time.
Another existing a kind of hydrophobic oleophobic titanium dioxide silicon substrate transparent coatings film of Chinese patent and preparation method thereof
(CN201410183167.6), micro-nano composite double-stage coarse structure needed for the present invention obtains hydrophobic oleophobic by a step spin coating,
After being modified with fluorocarbon surfactant, hydrophobic oleophobic titanium dioxide silicon substrate transparent coatings film is made, enormously simplifies processing step, and
It is easy to regulate and control thicknesses of layers, the ratio of size dimension structure, space by the additional proportion of colloidal sol formation condition and pore-foaming agent
Fill factor etc., to facilitate, reliably prepare high-performance hydrophobic oleophobic titanium dioxide silicon substrate transparent coatings film.Present invention process letter
It is single, it is very beneficial for industrial production, gained coated film reaches super-hydrophobic and superoleophobic standard, especially has both excellent light transmission
Rate realizes the balance of high transparency and super-hydrophobic oleophobic well.
With the development of super-hydrophobic oleophobic material, application field is more and more extensive, however in some particular surroundings, example
In hot environment or wet environment, durability is poor, and in some more specific usage scenarios, such as glass for vehicle window
Or some emitter surfaces need it just to have reality with good translucency in order to avoid the influence of fog and greasy dirt
Application value, and the prior art is not well positioned to meet this demand.
Summary of the invention
In view of this, the present invention provides superoleophobic spray of transparent hydrophobic and preparation method thereof, the present invention passes through in raw material
Middle addition Water-and-oil repellant can make surface hydrophobic oleophobic performance with super strength, and stability with higher, be suitble to answer
With in more complicated environment；Dibutyltin dilaurate in the present invention has the excellent transparency, lubricity, weathering
Property, acting in the present invention can be such that finished product is transparent, finished surface gloss and excellent transparency after processing.
According to the first aspect of the invention, provide transparent hydrophobic superoleophobic spray comprising the raw material of following parts by weight
Composition: 50 ~ 100 parts of solvent, 20 ~ 45 parts of Water-and-oil repellant, 10 ~ 20 parts of dibutyltin dilaurate, 3 ~ 7 parts of polyalcohol, thoroughly
5 ~ 15 parts of bright powder, 3 ~ 12 parts of auxiliary agent.
Preferably, the superoleophobic spray of transparent hydrophobic comprising the raw materials of following parts by weight forms: 80 parts of solvent, hydrophobic
28 parts of oleophobic agent, 15 parts of dibutyltin dilaurate, 4 parts of polyalcohol, 8 parts of transparent powder, 5 parts of auxiliary agent.
Preferably, the solvent is one of benzene, toluene, carbon tetrachloride, ethyl acetate, chloroform, acetone, petroleum ether.
Preferably, the Water-and-oil repellant is made of the raw material of following parts by weight: perfluoroalkyl ethyl acrylate 100 ~ 150
It is part, 60 ~ 100 parts of octadecyl acrylate, 50 ~ 80 parts of octadecyl acrylate, 1 ~ 5 part of lauryl mercaptan, 40 ~ 65 parts of polypropylene glycol, double
10 ~ 35 parts of octadecyldimethyl ammonium chloride, 300 ~ 450 parts of ion exchange water.
As best, the Water-and-oil repellant is made of the raw material of following parts by weight: perfluoroalkyl ethyl acrylate
130 parts, 80 parts of octadecyl acrylate, 60 parts of octadecyl acrylate, 1.5 parts of lauryl mercaptan, 45 parts of polypropylene glycol, double octadecyls
15 parts of alkyl dimethyl ammonium chloride, 400 parts of ion exchange water.
Preferably, the polyalcohol is one of glycerol, trimethylolethane, pentaerythrite, xylitol, sorbierite.
Preferably, the partial size of the transparent powder is less than 200um, SiO in the transparent powder2Content is described 25% ~ 55%
Content of MgO Al in 5% ~ 12%, the transparent powder in bright powder2O3Content is 6% ~ 10%.
Preferably, the auxiliary agent is one of stabilizer, antioxidant, anti-wear agent, diluent or solubilizer or a variety of.
According to the second aspect of the invention, the preparation method of the superoleophobic spray of transparent hydrophobic is provided, comprising the following steps:
By weight, by perfluoroalkyl ethyl acrylate, octadecyl acrylate, octadecyl acrylate, lauryl mercaptan and ion
Exchanged water, which is added to be emulsified 3 ~ 5 times at 50 ~ 65Mpa with high pressure homogenisers in reactor, obtains emulsion, rises after being replaced with nitrogen
For temperature between 35 ~ 45 DEG C, polypropylene glycol, dioctadecyl dimethyl ammonium chloride is added in sequence, is warming up to 65 DEG C or more and is reacted 0.5
~ 1h, cools down after the reaction was completed, obtains aqueous copolymer dispersion, will obtain Water-and-oil repellant after aqueous copolymer dispersion drying；
At normal temperatures and pressures, Water-and-oil repellant ratio according to the invention made of will be above-mentioned is added in solvent, is stirred with pulper
5 ~ 20min is mixed, dibutyltin dilaurate, polyalcohol, transparent powder are added and uses 5 ~ 8min of ultrasonication, it later will be warm
Degree rises between 80 ~ 130 DEG C, reacts 20 ~ 40min under ultrasound after auxiliary agent stirring is added, is cooled to above-mentioned gained after room temperature
Feed liquid is filling to obtain the final product.
The beneficial effects of the present invention are: the present invention can significantly improve solvent resistance and antifouling property of the invention, and energy
Surface tension is reduced, levelling is improved, increases the sliding sense in surface and gloss；The present invention, can by adding Water-and-oil repellant in the feed
So that surface hydrophobic oleophobic performance with super strength, and stability with higher, it is suitble to application and more complicated environment
In；Dibutyltin dilaurate in the present invention has the excellent transparency, lubricity, weatherability, acts in the present invention
Finished product can be made to be transparent, finished surface gloss and excellent transparency after processing, no sulfide staining.
Specific embodiment
The embodiment of the present invention is described below in detail, the examples of the embodiments are intended to be used to explain the present invention, and cannot
It is interpreted as limitation of the present invention.In the examples where no specific technique or condition is specified, described according to the literature in the art
Technology or conditions or carried out according to product description.Reagents or instruments used without specified manufacturer is that can lead to
Cross the conventional products of commercially available acquisition.
Embodiment 1
The superoleophobic spray of transparent hydrophobic comprising the raw materials of following parts by weight forms: 80 parts of solvent, 28 parts of Water-and-oil repellant,
15 parts of dibutyltin dilaurate, 4 parts of polyalcohol, 8 parts of transparent powder, 5 parts of auxiliary agent.
In the present embodiment, the solvent is ethyl acetate, and the polyalcohol is trimethylolethane, the transparent powder
Partial size be 150um, SiO in the transparent powder2Content in 35%, the transparent powder content of MgO in 7%, the transparent powder
Al2O3Content is 7%；The auxiliary agent is stabilizer.
In the present embodiment, the Water-and-oil repellant is made of the raw material of following parts by weight: perfluoroalkyl ethyl acrylate 130
Part, 80 parts of octadecyl acrylate, 60 parts of octadecyl acrylate, 1.5 parts of lauryl mercaptan, 45 parts of polypropylene glycol, double octadecyls two
15 parts of ammonio methacrylate, 400 parts of ion exchange water.
The preparation method of super-hydrophobic superoleophobic spray, comprising the following steps: by weight, by perfluoroalkyl acrylic acid second
Ester, octadecyl acrylate, octadecyl acrylate, lauryl mercaptan and ion exchange water are added in reactor and use high pressure at 55Mpa
Homogenizer emulsifies 3 times and obtains emulsion, 40 DEG C is warming up to after being replaced with nitrogen, polypropylene glycol, double octadecyls two is added in sequence
Ammonio methacrylate is warming up to 65 DEG C or more and reacts 0.5h, cool down after the reaction was completed, obtain aqueous copolymer dispersion, by copolymer
Water-and-oil repellant is obtained after aqueous dispersion is dry；At normal temperatures and pressures, Water-and-oil repellant ratio according to the invention made of will be above-mentioned
Example is added in solvent, with pulper stirring 10, dibutyltin dilaurate, polyalcohol, transparent powder is added and use ultrasonic wave
5min is handled, temperature is risen to 85 DEG C later, reacts 35min under ultrasound after auxiliary agent stirring is added, being cooled to after room temperature will be upper
It is filling to state gained feed liquid to obtain the final product.
Embodiment 2
The superoleophobic spray of transparent hydrophobic comprising the raw materials of following parts by weight forms: 60 parts of solvent, 20 parts of Water-and-oil repellant,
12 parts of dibutyltin dilaurate, 4 parts of polyalcohol, 6 parts of transparent powder, 5 parts of auxiliary agent.
In the present embodiment, the solvent is petroleum ether, and the polyalcohol is glycerol, and the partial size of the transparent powder is 100um,
SiO in the transparent powder2Content content of MgO Al in 5%, the transparent powder in 45%, the transparent powder2O3Content is 6%；Institute
Stating auxiliary agent is anti-wear agent.
In the present embodiment, the Water-and-oil repellant is made of the raw material of following parts by weight: perfluoroalkyl ethyl acrylate 120
Part, 75 parts of octadecyl acrylate, 60 parts of octadecyl acrylate, 2 parts of lauryl mercaptan, 40 parts of polypropylene glycol, double hexadecyldimethylamines
18 parts of ammonium chloride, 380 parts of ion exchange water.
The preparation method of the superoleophobic spray of transparent hydrophobic, comprising the following steps: by weight, by perfluoroalkyl propylene
Acetoacetic ester, octadecyl acrylate, octadecyl acrylate, lauryl mercaptan and ion exchange water are added in reactor and use at 60Mpa
High pressure homogenisers emulsify 4 times and obtain emulsion, 35 DEG C are warming up to after being replaced with nitrogen, polypropylene glycol, double octadecanes is added in sequence
Base alkyl dimethyl ammonium chloride is warming up to 65 DEG C or more and reacts 0.5h, cool down after the reaction was completed, obtain aqueous copolymer dispersion, will be total to
Water-and-oil repellant is obtained after polymers aqueous dispersion is dry；At normal temperatures and pressures, Water-and-oil repellant made of will be above-mentioned is according to the present invention
Ratio be added solvent in, with pulper stir 8min, dibutyltin dilaurate, polyalcohol, transparent powder are added and are used in combination
Temperature is risen to 110 DEG C later by ultrasonication 6min, is reacted 20min under ultrasound after auxiliary agent stirring is added, is cooled to room temperature
It is afterwards that above-mentioned gained feed liquid is filling to obtain the final product.
Embodiment 3
The superoleophobic spray of transparent hydrophobic comprising the raw materials of following parts by weight forms: 85 parts of solvent, 30 parts of Water-and-oil repellant,
10 parts of dibutyltin dilaurate, 5 parts of polyalcohol, 8 parts of transparent powder, 7 parts of auxiliary agent.
In the present embodiment, the solvent is acetone, and the polyalcohol is pentaerythrite, and the auxiliary agent is stabilizer and antioxygen
The mixing of agent, the partial size of the transparent powder are less than 200um, SiO in the transparent powder2Content is 55%, MgO in the transparent powder
Content Al in 8%, the transparent powder2O3Content is 10%.
In the present embodiment, the Water-and-oil repellant is made of the raw material of following parts by weight: perfluoroalkyl ethyl acrylate 150
Part, 75 parts of octadecyl acrylate, 63 parts of octadecyl acrylate, 2 parts of lauryl mercaptan, 50 parts of polypropylene glycol, double hexadecyldimethylamines
18 parts of ammonium chloride, 450 parts of ion exchange water.
The preparation method of the superoleophobic spray of transparent hydrophobic, comprising the following steps: by weight, by perfluoroalkyl propylene
Acetoacetic ester, octadecyl acrylate, octadecyl acrylate, lauryl mercaptan and ion exchange water are added in reactor and use at 65Mpa
High pressure homogenisers emulsify 5 times and obtain emulsion, 45 DEG C are warming up to after being replaced with nitrogen, polypropylene glycol, double octadecanes is added in sequence
Base alkyl dimethyl ammonium chloride is warming up to 65 DEG C or more and reacts 1h, cool down after the reaction was completed, obtain aqueous copolymer dispersion, will be copolymerized
Water-and-oil repellant is obtained after object aqueous dispersion is dry；At normal temperatures and pressures, Water-and-oil repellant made of will be above-mentioned is according to the invention
Ratio is added in solvent, stirs 20min with pulper, and dibutyltin dilaurate, polyalcohol, transparent powder are added and used super
Sonicated 8min later rises to temperature between 90 DEG C, reacts 30min under ultrasound after auxiliary agent stirring is added, is cooled to room
It is after temperature that above-mentioned gained feed liquid is filling to obtain the final product.
The superoleophobic spray of transparent hydrophobic made from embodiment 1 ~ 3 is applied in experiment, experimental method specifically:
Appearance: spray is sprayed into stainless steel and glass surface, with micro- sem observation surface smoothness after hydrophobic film to be formed；
Hydro-oleophobicity: dropping to stainless steel and glass surface for hydrone, oil molecule, and by sample inclination, it is hydrophobic thin to observe sample
Oiliness energy records inclination angle；
Electric conductivity test: four-point probe test sample sheet resistance is used；
High temperature test: being sprayed into stainless steel and glass surface for spray, and 150 ~ 200 degree of high temperature of sample surfaces are irradiated；
Contact angle: by drop drop in solid sample surface, the shape image of drop is obtained by microlens and camera, then use
Digital Image Processing and some algorithms calculate the contact angle meter of the drop in image, with full-automatic contact angle measurement；
Salt spray resistance: its corrosion resistance is tested with salt spray test method；
Translucency: preparing multi-panel transparent glass, spray will be sprayed on glass, detects light transmittance with light transmittance tester.
UV transparent: intensity detection is done with ultraviolet radiator of the ultraviolet radiation illumination instrument to same specification, label is strong
Angle value, by this product apply with ultraviolet radiator tube outer surface, make intensity detection with ultraviolet radiation illumination instrument, mark intensity value,
By the comparison of above-mentioned two intensity value (when detection, it is necessary to according to the determination condition in " disinfection technology standard ", voltage 220V, temperature
20 DEG C or more, relative humidity is less than 60%, using the strength of stability after the 5min that turns on light as the radiation intensity of ultraviolet germicidal lamp).
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Appearance | Stainless steel, glass surface have slight particle, and flatness is high | Stainless steel, glass surface have slight particle, and flatness is high | Stainless steel, glass surface have slight particle, and flatness is high |
| Hydro-oleophobicity | When inclination angle is greater than 5 °, hydrone, oil molecule start to slide | When inclination angle is 10 °, hydrone, oil molecule slide along side | When inclination angle is greater than 15 °, hydrone, oil molecule are slid rapidly |
| Electric conductivity test | Resistance is 3m Ω | Resistance is 7m Ω | Resistance is 10m Ω |
| High temperature test | It is high without atomization, stability | It is high without atomization, stability | It is high without atomization, stability |
| Contact angle | 123° | 118° | 135° |
| Salt spray resistance | 360 hours 8 grades | 360 hours 8 grades | 360 hours 8 grades |
| Translucency | 82% | 85% | 83% |
| UV transparent | Radiation intensity value is unchanged, and UV transparent is high | Radiation intensity value is unchanged, and UV transparent is high | Radiation intensity value is unchanged, and UV transparent is high |
From table 2 it can be seen that the overall performance of the embodiment of the present invention 1 ~ 3 is ideal, the present invention is sprayed into material surface
More contact angle (at 115 ° or more) are respectively formed, hydro-oleophobicity is verified, and detects discovery peak by light transmittance tester
Be worth light transmittance 80% or more, translucency is higher, using with its translucency is had little influence on transparent material, by its concrete application
It can be sent out in ultraviolet radiator outer surface by doing intensity detection to the ultraviolet radiator for being coated with this product with ultraviolet radiation illumination instrument
Its existing intensity value has almost no change, and illustrates that UV transparent of the invention is high.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (9)
1. the superoleophobic spray of transparent hydrophobic, it is characterised in that: it includes the raw material composition of following parts by weight: solvent 50 ~ 100
Part, 20 ~ 45 parts of Water-and-oil repellant, 10 ~ 20 parts of dibutyltin dilaurate, 3 ~ 7 parts of polyalcohol, 5 ~ 15 parts of transparent powder, auxiliary agent 3
~ 12 parts.
2. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: it includes the original of following parts by weight
Material composition: 80 parts of solvent, 15 parts of dibutyltin dilaurate, 4 parts of polyalcohol, 8 parts of transparent powder, helps 28 parts of Water-and-oil repellant
5 parts of agent.
3. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: the solvent is benzene, toluene, four
One of chlorination carbon, ethyl acetate, chloroform, acetone, petroleum ether.
4. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: the Water-and-oil repellant is by following
The raw material of parts by weight forms: 100 ~ 150 parts of perfluoroalkyl ethyl acrylate, 60 ~ 100 parts of octadecyl acrylate, acrylic acid 18
50 ~ 80 parts of ester, 1 ~ 5 part of lauryl mercaptan, 40 ~ 65 parts of polypropylene glycol, 10 ~ 35 parts of dioctadecyl dimethyl ammonium chloride, ion are handed over
Change 300 ~ 450 parts of water.
5. the superoleophobic spray of transparent hydrophobic according to claim 4, it is characterised in that: the Water-and-oil repellant by
The raw material of following parts by weight forms: 130 parts of perfluoroalkyl ethyl acrylate, 80 parts of octadecyl acrylate, octadecyl acrylate 60
Part, 1.5 parts of lauryl mercaptan, 45 parts of polypropylene glycol, 15 parts of dioctadecyl dimethyl ammonium chloride, 400 parts of ion exchange water.
6. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: the polyalcohol is glycerol, three
One of hydroxymethyl ethane, pentaerythrite, xylitol, sorbierite.
7. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: the partial size of the transparent powder is less than
200um, SiO in the transparent powder2Content in 25% ~ 55%, the transparent powder content of MgO in 5% ~ 12%, the transparent powder
Al2O3Content is 6% ~ 10%.
8. the superoleophobic spray of transparent hydrophobic according to claim 1, it is characterised in that: the auxiliary agent is stabilizer, resists
One of oxygen agent, anti-wear agent, diluent or solubilizer are a variety of.
9. the preparation method of the superoleophobic spray of transparent hydrophobic, which comprises the following steps:
By weight, by perfluoroalkyl ethyl acrylate, octadecyl acrylate, octadecyl acrylate, lauryl mercaptan and ion
Exchanged water, which is added to be emulsified 3 ~ 5 times at 50 ~ 65Mpa with high pressure homogenisers in reactor, obtains emulsion, rises after being replaced with nitrogen
For temperature between 35 ~ 45 DEG C, polypropylene glycol, dioctadecyl dimethyl ammonium chloride is added in sequence, is warming up to 65 DEG C or more and is reacted 0.5
~ 1h, cools down after the reaction was completed, obtains aqueous copolymer dispersion, will obtain Water-and-oil repellant after aqueous copolymer dispersion drying；
At normal temperatures and pressures, Water-and-oil repellant ratio according to the invention made of will be above-mentioned is added in solvent, is stirred with pulper
5 ~ 20min is mixed, dibutyltin dilaurate, polyalcohol, transparent powder are added and uses 5 ~ 8min of ultrasonication, it later will be warm
Degree rises between 80 ~ 130 DEG C, reacts 20 ~ 40min under ultrasound after auxiliary agent stirring is added, is cooled to above-mentioned gained after room temperature
Feed liquid is filling to obtain the final product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471367A (en) * | 2020-04-10 | 2020-07-31 | 湖南化工职业技术学院（湖南工业高级技工学校） | High-transparency hydrophobic water-based paint and preparation method thereof |
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