CN108034311A - A kind of hydrophobic dirt resistance coatings of greenhouse film and its preparation method and application - Google Patents
A kind of hydrophobic dirt resistance coatings of greenhouse film and its preparation method and application Download PDFInfo
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- CN108034311A CN108034311A CN201711049579.0A CN201711049579A CN108034311A CN 108034311 A CN108034311 A CN 108034311A CN 201711049579 A CN201711049579 A CN 201711049579A CN 108034311 A CN108034311 A CN 108034311A
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- hydrophobic
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- fluorocarbon
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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
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1637—Macromolecular compounds
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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
- C09D5/1668—Vinyl-type polymers
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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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses hydrophobic dirt resistance coatings of a kind of greenhouse film and its preparation method and application, and by mass fraction, raw material components proportioning is：Fluorocarbon modified resin 40~71%, levelling agent 0~1%, diluent 16~56%, curing agent 4~12%.The invention also discloses the preparation method of the coating, the hydrophobic dirt resistance coatings of the fluorocarbon resin prepared by the present invention have excellent film forming, cementability, pliability, good ultraviolet resistance, weatherability, polluting proofing property etc., scouring is convenient, technique is simple, production process is substantially pollution-free, is easy to industrial production and large-scale promotion application.
Description
Technical field
The invention belongs to hydrophobic coating technology of preparing and field of surface treatment, and in particular to a kind of based on the big of fluorocarbon resin
Canopy thin-film hydrophobic dirt resistance coatings and its preparation method and application.
Background technology
In China's agricultural production, plastic greenhouse has played important function, and in order to improve the effect of greenhouse film, for big
Canopy film coating, it is desirable to have the function of following：(1) preferable hydrophobicity；(2) excellent dust tightness；(3) excellent anti-corrosion
Corrosion；(4) preferable pliability.Greenhouse film coating currently used in the market has many kinds, in most of coating, at present
Most outstanding is fluorocarbon resin coating, and fluorocarbon coating is weatherability and low abrasivity the advantages of protruding the most, is secondly gone back
There is good self-cleaning property, therefore fluorocarbon coating will select as the mainstream of following greenhouse film coating.
Chinese patent CN201410801766.X discloses a kind of hydrophobic coating using fluoropolymer as primary raw material, adds
Add inorganic particles, curing agent and diluent to be made, ceria is added in the hydrophobic coating formula, it is poisonous, and higher price；In
State patent CN201410818209.9 discloses a kind of fluorine-containing super hydrophobic coating, the coating containing fluorinated copolymer, nano material and
Resin component, preparation temperature is higher, and reaction time length, preparation process is complicated, is not easy large-scale promotion application；Chinese patent
CN201510764404.2 discloses a kind of method of fluorine-containing super hydrophobic coating, and the hydrophobic coating is largely using poisonous and inflammable
N,N-Dimethylformamide is unfavorable for industrial production and environmental protection as diluent；Chinese patent CN201610405572.7
A kind of fluorine-containing hydrophobic coating is disclosed, which needs logical oxygen, and carries out low temperature ultra-violet irradiation, and Paint preparation technology is multiple
It is miscellaneous.Therefore, there are many problem urgent need to resolve for the fluorine-containing hydrophobic coating prepared at present.
The content of the invention
The technical problems to be solved by the invention, there is provided a kind of hydrophobicity is good, scouring is convenient, technique is simple, easy to spread
The greenhouse film hydrophobic coating used.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of hydrophobic dirt resistance coatings based on fluorocarbon resin, it is characterised in that using fluorocarbon modified resin as main hydrophobic original
Material, adds a small amount of levelling agent, diluent, curing agent etc., hydrophobic dirt resistance coatings is prepared, wherein by mass fraction, raw material
Component proportion is：
In the present invention, the fluorocarbon polymer is for fluorine-containing list with chlorotrifluoroethylene (CTFE) or tetrafluoroethene (TFE)
The fluorocarbon modified resins of FEVE of body；The levelling agent is organic-silicon-modified methyl acrylate, ethyl acrylate and acrylic acid
One or more in butyl ester；The diluent is propylene glycol methyl ether acetate；The curing agent is isocyanates.
Preferably, the levelling agent selects organic-silicon-modified polyacrylate mixed emulsion, and form a film more smooth even；
The curing agent selects aromatic poly-isocyanate, and curing rate is fast, and filming performance is good, inhibited from yellowing.
In the present invention, the silicone-modified polyacrylate, the Si-O bond energys (450kJ/mol) in organic siliconresin
Much larger than C-C bond energys (351kJ/mol), surface energy is small, has good ultraviolet resistance, weatherability, stain resistance and chemically-resistant
The characteristics such as medium, while acrylate polymer has excellent film forming, cementability, gloss retention and pliability, organosilicon
The advantages of modified polyacrylate combines both.The propylene glycol methyl ether acetate is a kind of advanced solvent, in its molecule
Existing ehter bond, and have carbonyl, carbonyl forms the structure of ester again, while contains alkyl again.It is existing nonpolar in same molecule
Part, and polarized part, this two-part functional group, which not only mutually restricted, to be repelled, but also each plays its intrinsic effect.Therefore,
There is certain solvability to apolar substance and polar substances.
A kind of preparation method of the hydrophobic dirt resistance coatings based on fluorocarbon resin, comprises the following steps：
1) a certain amount of fluorocarbon modified resin is first added into beaker, adds appropriate levelling agent and diluent, be positioned over magnetic
On power blender, 200~500r/min of rotating speed is set, and room temperature, stirs 10~20min, fully reaction, be uniformly mixed；
2) appropriate curing agent is added, is positioned on magnetic stirring apparatus, 800~1000r/min of rotating speed, room temperature, stirring are set
30~40min, fully reaction, are uniformly mixed, and then with 200~300 mesh filtered through gauze, the mixed emulsion of hydrophobic coating is made；
3) 5~10% deionized waters are added, are diluted to working viscosity；
4) with 9~36# film rods, scratch on a plastic film, stand 5~10min at room temperature；
5) film for coating hydrophobic coating is put into baking oven, 100~150min is dried in 70~90 DEG C, up to fluorine carbon tree
Fat hydrophobic coating finished film.
In the above-mentioned technical solutions：
Preferably, the present invention selects 240 mesh filtered through gauze, and hydrophobic coating emulsion viscosity and color and luster are best, and scribble effect is good.
Preferably, 22# films rod, wet-film thickness 50um, after dry, film thickness 16um, meets hydrophobic and adhesive force
Needs, on greenhouse film light transmittance influence it is smaller.
The implementation advantageous effects of the heretofore described hydrophobic dirt resistance coatings of fluorocarbon resin greenhouse film are as follows：
1) present invention prepares hydrophobic coating compared with Chinese patent CN201410801766.X and CN201510764404.2
Primary raw material be fluorocarbon resin and propylene glycol methyl ether acetate, and propylene glycol methyl ether acetate be it is a kind of have it is multi-functional
Non- public hazards solvent, it is environment-protecting and non-poisonous；, can be at room temperature compared with Chinese patent CN201410818209.9 and CN201610405572.7
Mixing, preparation process is simple, easy to use.
2) fluorocarbon resin that the present invention uses is FEVE fluorocarbon resin, its infrared spectrum is as shown in Figure 1,1100cm-1Place
Strong absworption peak is fluorine carbon key absworption peak.Fluorine carbon key polarity is small, and therefore, fluorocarbon resin critical surface tension is very low, has excellent anti-
Water-based, pollution resistance etc..Fig. 2 show hydrophobic dust-proof coating scanning electron microscope (SEM) photograph, coating surface in embodiment 2 and forms coarse knot
Structure, shows as irregular raised and groove, and in a certain range, the static contact angle of coating surface is with concave-convex surface degree
Increase and increase, i.e., hydrophobicity is better.
3) silicone-modified polyacrylate that the present invention uses combines organic siliconresin and acrylate polymer two
Person a little, has excellent film forming, cementability, pliability, good ultraviolet resistance, weatherability, polluting proofing property etc..
4) propylene glycol methyl ether acetate that the present invention uses is a kind of innoxious solvent, can be made as the medium of polymerisation
Reaction relaxes, easily controllable；And dilution coating reaches certain viscosity, increases bin stability, is conducive to infiltrate, easy to be coated with
Construction.
5) present invention prepares hydrophobic dust-proof coating technique it is simple, the method for coating has a many kinds, for example, spraying, brushing,
Roller coat etc., production process is substantially pollution-free, is easy to industrial production and large-scale promotion application.
Brief description of the drawings
Fig. 1 is the infrared absorption spectra of fluorocarbon modified resin used in the present invention；
Fig. 2 is the SEM figures of hydrophobic coating prepares coating in the embodiment of the present invention 3；
Fig. 3 is the static contact angle photo of hydrophobic coating prepares coating in the embodiment of the present invention 3.
Fig. 4 is the static contact angle photo of hydrophobic coating prepares coating in the embodiment of the present invention 4.
Fig. 5 is the static contact angle photo of hydrophobic coating prepares coating in the embodiment of the present invention 5.
Embodiment
With reference to embodiment and attached drawing, the invention will be further described.
Embodiment one
The fluorocarbon modified resins of 24g are added into beaker, 33.6g propylene glycol methyl ether acetates is added, is positioned over magnetic agitation
On device, rotating speed 200r/min is set, and room temperature, stirs 10min, fully reaction, be uniformly mixed；Add 2.4g toluene diisocynates
Ester, is positioned on magnetic stirring apparatus, sets rotating speed 800r/min, room temperature, stirs 30min, fully reaction, be uniformly mixed, then
With 300 mesh filtered through gauze, the mixed emulsion of hydrophobic coating is made；5% deionized water is added, is diluted to working viscosity；Applied with 9#
Film rod, scratches on a plastic film, stands 5min at room temperature；The film for coating hydrophobic coating is put into baking oven, in 70 DEG C of bakings
Dry 100min, up to the hydrophobic dust-proof coating finished product of fluorocarbon resin.
After tested, the hydrophobic dust-proof coating layer thickness is 10um, and the contact angle of coating surface and water is 95.4 °, 60 DEG C
Vapor fumigates 5min without hazing.
Embodiment two
The fluorocarbon modified resins of 28g are added into beaker, add the organic-silicon-modified methyl acrylates of 0.7g, ethyl acrylate
Mixed solution and 32.9g propylene glycol methyl ether acetates, are positioned on magnetic stirring apparatus, set rotating speed 300r/min, room temperature, stirring
12min, fully reaction, are uniformly mixed；8.4g methyl diphenylene diisocyanates are added, are positioned on magnetic stirring apparatus, are set
Rotating speed 850r/min, room temperature, stirs 35min, fully reaction, is uniformly mixed, then with 250 mesh filtered through gauze, hydrophobic painting is made
The mixed emulsion of material；6% deionized water is added, is diluted to working viscosity；With 14# film rods, scratch on a plastic film, room temperature
Lower standing 6min；The film for coating hydrophobic coating is put into baking oven, 120min is dried in 75 DEG C, it is hydrophobic anti-up to fluorocarbon resin
Dirt coating finished product.
After tested, the hydrophobic dust-proof coating layer thickness is 13um, and the contact angle of coating surface and water is 99.6 °, 60 DEG C
Vapor fumigates 5min without hazing.
Embodiment three
The fluorocarbon modified resins of 42.6g are added into beaker, 15g propylene glycol methyl ether acetates is added, is positioned over magnetic agitation
On device, rotating speed 400r/min is set, and room temperature, stirs 15min, fully reaction, be uniformly mixed；It is different to add 2.4g diphenyl methanes two
Cyanate, is positioned on magnetic stirring apparatus, sets rotating speed 900r/min, and room temperature, stirs 35min, fully reaction, be uniformly mixed,
Then with 240 mesh filtered through gauze, the mixed emulsion of hydrophobic coating is made；6% deionized water is added, is diluted to working viscosity；With
22# film rods, scratch, stand 6min at room temperature on a plastic film；The film for coating hydrophobic coating is put into baking oven, in 80
DEG C drying 120min, up to the hydrophobic dust-proof coating finished product of fluorocarbon resin.
After tested, the hydrophobic dust-proof coating layer thickness is 16um, and the contact angle of coating surface and water is 100.9 °, 60 DEG C
Vapor fumigates 5min without hazing.
Example IV
The fluorocarbon modified resins of 56.8g are added into beaker, add the organic-silicon-modified ethyl acrylates of 0.8g, acrylic acid fourth
Ester mixed solution and 12.8g propylene glycol methyl ether acetates, are positioned on magnetic stirring apparatus, set rotating speed 500r/min, room temperature, is stirred
20min is mixed, fully reaction, be uniformly mixed；9.6g methyl diphenylene diisocyanates are added, are positioned on magnetic stirring apparatus, if
Rotating speed 1000r/min is put, room temperature, stirs 40min, fully reaction, be uniformly mixed, then with 240 mesh filtered through gauze, be made hydrophobic
The mixed emulsion of coating；10% deionized water is added, is diluted to working viscosity；With 36# film rods, scratch on a plastic film,
10min is stood at room temperature；The film for coating hydrophobic coating is put into baking oven, 150min is dried in 90 DEG C, up to fluorocarbon resin
Hydrophobic dust-proof coating finished product.
After tested, the hydrophobic dust-proof coating layer thickness is 21um, and the contact angle of coating surface and water is 102.1 °, 60 DEG C
Vapor fumigates 5min without hazing.
Embodiment five
The fluorocarbon modified resins of 45.8g are added into beaker, add the organic-silicon-modified methyl acrylates of 0.3g, acrylic acid second
Ester mixed solution and 25.8g propylene glycol methyl ether acetates, are positioned on magnetic stirring apparatus, set rotating speed 400r/min, room temperature, is stirred
15min is mixed, fully reaction, be uniformly mixed；7.3g methyl diphenylene diisocyanates are added, are positioned on magnetic stirring apparatus, if
Rotating speed 900r/min is put, room temperature, stirs 35min, fully reaction, be uniformly mixed, then with 240 mesh filtered through gauze, be made hydrophobic
The mixed emulsion of coating；8% deionized water is added, is diluted to working viscosity；With 22# film rods, scratch on a plastic film, room
Temperature is lower to stand 6min；The film for coating hydrophobic coating is put into baking oven, 120min is dried in 80 DEG C, it is hydrophobic up to fluorocarbon resin
Dust-proof coating finished product.
After tested, the hydrophobic dust-proof coating layer thickness is 16um, and the contact angle of coating surface and water is 103.9 °, 60 DEG C
Vapor fumigates 5min without hazing.
The above is only the preferred embodiments of the invention, and 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 belong to protection scope of the present invention.It is noted that fluorine prepared by the present invention
The hydrophobic coating of carbon resin, by different material ratio and preparation technology parameter, changes the hydrophobic performance of coating, working viscosity,
Coating layer thickness etc., to adapt to different coatings and using effect needs, meets actual production, should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. hydrophobic dirt resistance coatings based on fluorocarbon resin, it is characterised in that using fluorocarbon modified resin as main hydrophobic base, A small amount of levelling agent, diluent, curing agent etc. are added, hydrophobic dirt resistance coatings are prepared, wherein by mass fraction, raw material components Match and be：。
- 2. the hydrophobic dirt resistance coatings of fluorocarbon resin according to claim 1, it is characterised in that the fluorocarbon polymer be with Chlorotrifluoroethylene (CTFE) or the fluorocarbon modified resins of FEVE that tetrafluoroethene (TFE) is fluorochemical monomer；The levelling agent is to have One or more in the methyl acrylate of machine Si modification, ethyl acrylate and butyl acrylate；The diluent is propane diols Methyl ether acetate；The curing agent is isocyanates.
- 3. the hydrophobic dirt resistance coatings of fluorocarbon resin according to claim 1, it is characterised in that the levelling agent is selected organic The polyacrylate mixed emulsion of Si modification；The curing agent selects aromatic poly-isocyanate.
- A kind of 4. hydrophobic dirt resistance coatings preparation method based on fluorocarbon resin according to claim 1, it is characterised in that bag Include following steps：1) a certain amount of fluorocarbon modified resin is first added into beaker, adds appropriate levelling agent and diluent, be positioned over magnetic force and stir Mix on device, 200~500r/min of rotating speed is set, and room temperature, stirs 10~20min, fully reaction, be uniformly mixed；2) appropriate curing agent is added, is positioned on magnetic stirring apparatus, setting 800~1000r/min of rotating speed, room temperature, stirring 30~ 40min, fully reaction, are uniformly mixed, and then with 200~300 mesh filtered through gauze, the mixed emulsion of hydrophobic coating is made；3) 5~10% deionized waters are added, are diluted to working viscosity；4) with 9~36# film rods, scratch on a plastic film, stand 5~10min at room temperature；5) film for coating hydrophobic coating is put into baking oven, dries 100~150min in 70~90 DEG C, dredged up to fluorocarbon resin Water paint finished film.
- 5. the preparation method of the hydrophobic dirt resistance coatings of fluorocarbon resin according to claim 4, it is characterised in that：Preferably, select 240 mesh filtered through gauze.
- 6. the preparation method of the hydrophobic dirt resistance coatings of fluorocarbon resin according to claim 4, it is characterised in that：Preferably, select 22# film rods.
- 7. the hydrophobic dust-proof painting of fluorocarbon resin that according to claim 4 prepared by the preparation method of the hydrophobic dirt resistance coatings of fluorocarbon resin Layer.
- 8. application of the hydrophobic dust-proof coating of fluorocarbon resin described in claim 7 in the production fields such as agricultural.
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| CN201711049579.0A CN108034311A (en) | 2017-10-31 | 2017-10-31 | A kind of hydrophobic dirt resistance coatings of greenhouse film and its preparation method and application |
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| CN201711049579.0A CN108034311A (en) | 2017-10-31 | 2017-10-31 | A kind of hydrophobic dirt resistance coatings of greenhouse film and its preparation method and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117400A (en) * | 2019-12-28 | 2020-05-08 | 刘万凯 | Preparation method of dustproof coating |
| CN113073291A (en) * | 2021-03-23 | 2021-07-06 | 浙江大学 | Super-hydrophobic modification method for greenhouse film |
| CN114736579A (en) * | 2022-03-30 | 2022-07-12 | 安徽屹珹新材料科技有限公司 | Fluorocarbon coating, preparation method thereof and multilayer film application |
| CN114752309A (en) * | 2022-03-29 | 2022-07-15 | 安徽屹珹新材料科技有限公司 | Multilayer film and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117400A (en) * | 2019-12-28 | 2020-05-08 | 刘万凯 | Preparation method of dustproof coating |
| CN113073291A (en) * | 2021-03-23 | 2021-07-06 | 浙江大学 | Super-hydrophobic modification method for greenhouse film |
| CN113073291B (en) * | 2021-03-23 | 2022-04-05 | 浙江大学 | Super-hydrophobic modification method for greenhouse film |
| CN114752309A (en) * | 2022-03-29 | 2022-07-15 | 安徽屹珹新材料科技有限公司 | Multilayer film and preparation method thereof |
| CN114736579A (en) * | 2022-03-30 | 2022-07-12 | 安徽屹珹新材料科技有限公司 | Fluorocarbon coating, preparation method thereof and multilayer film application |
| CN114736579B (en) * | 2022-03-30 | 2024-05-10 | 安徽屹珹新材料科技有限公司 | Fluorocarbon coating, preparation method thereof and multilayer film application |
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Application publication date: 20180515 |