CN106519861A - Water-based dustproof coating, preparation method and application thereof in polyvinylchloride greenhouse film - Google Patents
Water-based dustproof coating, preparation method and application thereof in polyvinylchloride greenhouse film Download PDFInfo
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- CN106519861A CN106519861A CN201611016572.4A CN201611016572A CN106519861A CN 106519861 A CN106519861 A CN 106519861A CN 201611016572 A CN201611016572 A CN 201611016572A CN 106519861 A CN106519861 A CN 106519861A
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- 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
- C09D131/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2431/00—Characterised by the use of 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 an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2431/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2431/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention provides a water-based dustproof coating and belongs to the technical field of the dustproof coating. The water-based dustproof coating is prepared by taking nanometer inorganic sol, acrylic acid emulsion, vinyl acetate-ethylene copolymer emulsion, flatting agent, emulsifying agent, ultraviolent light absorber, antioxidant and water as raw materials, and has the features of being good in transparency, hard to be infected with dust, and easy in infected dust removing; and the water-based dustproof coating does not contain organic solvents, and has the advantages of being pure in water, non-toxic, and environment-friendly; the water-based dustproof coating is free from organic solvent evaporation in the production and drying process, and only has the moisture evaporation, has no bad influence to the environment, overcomes the problem that the former solvent type dustproof coating influences the health of an operator and pollutes the environment due to a large number of organic solvent evaporation in the production and drying process; the light transmittance achieves 66% after covering the greenhouse for 45 days, the thermal insulation property is excellent, and the effects of increasing yield and revenue are obvious.
Description
Technical field
The present invention relates to polychloroethylene shed film dust control technology field, more particularly to a kind of polychloroethylene shed film is dust-proof with aqueouss
Coating, preparation method and applications.
Background technology
Polychloroethylene antifog non-drop greenhouse film has transparent good, extremely efficient in preserving heat outstanding advantages, is mainly used in Winter in North China temperature
The covering of room.Many regional warmhouse booth plantations in the north have become the Main Means that increasing peasant income are got rich, each peasant family
There is a Cultivate administration of two to three warmhouse booths in front yard, peasant the Functional Requirement of canopy film product is not only intensity it is high, without drop,
The features such as antifog, anti ageing property is good, is more desirable to the polychloroethylene shed film with dust reduction capability occur, reduces and wipes canopy number of times, drop
Low wiping canopy difficulty and labor intensity, are easy to regular job to manage.
Due to containing the liquid such as substantial amounts of plasticizer phthalic acid dioctyl ester, dioctyl adipate in polychloroethylene shed film
Auxiliary agent, during button canopy use, these liquid adjuvants are easy to move to canopy film surface, and then are infected with dust, polychloroethylene shed
Film outer surface is seriously polluted, greatly reduces the light transmittance of polychloroethylene shed film, affects crop photosynthesis in canopy, reduces vegetable
The yield of dish and the economic benefit of user, while the dust of polychloroethylene shed film outer surface contamination also accelerates polychloroethylene shed film
It is aging, and only rely upon the operation of natures such as rainfall, wind to the dust stratification of film surface be difficult remove, cause canopy film light transmittance significantly
Decline so that illumination is not enough in canopy, be easily caused crop and produce disease, the underproduction.
In order to solve the problems, such as that dust brings, manual method is dragged etc. come dedusting using washing methods, mop in prior art,
But presence is taken a lot of work arduously, and need the problem of regular operation.The coating of pvc coating dustproof membrane be non-reactive,
Solvent based coating, plasticizer that the pvc coating coating as disclosed in CN101033316A is adopted, diluent are for adipic acid two
Pungent fat, acetone, butanone and ethyl acetate etc., toxicity are big, and volatile during production and use, and environment and human body are had
Very big nocuity.
The content of the invention
In view of this, it is an object of the invention to provide a kind of polychloroethylene shed film aqueouss dirt resistance coatings, are ensureing poly-
On the premise of vinyl chloride canopy film has heat insulation function, polychloroethylene shed film surface is overcome easily to adsorb the shortcoming of dust, while green
Colour circle is protected, and reduces production cost, extends the service life of pvc coating dustproof membrane.
In order to realize foregoing invention purpose, the present invention provides technical scheme below：
The invention provides a kind of aqueouss dirt resistance coatings, including the component of following weight percentage：
Nano inorganic colloidal sol 1～20%, acrylic emulsions 0.1～15%, vinyl copolymer emulsion 0.3
～8%, levelling agent 0.3～2%, emulsifying agent 1～10%, UV absorbent 0.1～2%, antioxidant 0.1～2%, water 65～
90%.
Preferably, the nano inorganic colloidal sol includes SiO2、ZnO、TiO、Al2O3The mixing of one or more in colloidal sol
Thing.
Preferably, in the nano inorganic colloidal sol, the mass content of inorganic matters is 10～20%.
Preferably, the solid content of the vinyl copolymer emulsion is 30～60%.
Preferably, the emulsifying agent includes TWEEN Series, fatty alcohol-polyoxyethylene ether series, alkylphenol polyoxyethylene system
The mixture of one or more in row, this Pan's series and chain alkyl trimethyl ammonia chloride amine system row.
Preferably, the levelling agent includes polyether-modified polysiloxane, polyether-modified fluorocarbons and polyoxy second
The mixture of one or more in alkene ether.
Preferably, during the acrylic emulsions include pure acrylic latex, silicone acrylic emulsion, styrene-acrylic emulsion and acrylate and vinyl acetate emulsion
The mixture of one or more.
Present invention also offers the preparation method of above-mentioned aqueouss dirt resistance coatings, comprises the following steps：
By nano inorganic colloidal sol, acrylic emulsion, vinyl copolymer emulsion, levelling agent, emulsifying agent, ultraviolet
The mixing of light absorbers, antioxidant and water, obtains aqueouss dirt resistance coatings.
Preferably, the time of the mixing is 1～3h, and the temperature of the mixing is 40～60 DEG C.
Present invention also offers above-mentioned aqueouss dirt resistance coatings or aqueouss dirt resistance coatings obtained in above-mentioned preparation method are in polychlorostyrene
Application in ethylene canopy film.
Preferably, coated weight of the aqueouss dirt resistance coatings in polychloroethylene shed film is 5～20g/m2。
Preferably, the aqueouss dirt resistance coatings are dried process in polychloroethylene shed film, and the dried includes
Three sections of dryings.
A kind of aqueouss dirt resistance coatings that the present invention is provided, raw material include nano inorganic colloidal sol, acrylic emulsions, acetic acid second
Alkene ester-ethylene copolymerization emulsions, levelling agent, emulsifying agent, UV absorbent, antioxidant and water.The dirt resistance coatings that the present invention is provided
The characteristics of dust good with transparency, being difficult contamination dust, be infected with easily is removed, and without organic molten in aqueouss dirt resistance coatings
Agent, with water-based, nontoxic, the advantage of environmental protection, in production and dry run, organic solvent-free volatilization, the only steaming of moisture
Send out, environment is had no adverse effects, overcome conventional solvent-borne type dirt resistance coatings substantial amounts of organic solvent in production and dry run
Volatilization, healthy, the problem of pollution environment that affect operator.Test result indicate that, heliogreenhouse after buckle film 45 days,
The light transmittance of normal film only has 45%, and light transmittance reaches after the aqueouss dirt resistance coatings that the present invention is provided are applied to polychloroethylene shed film
To 66%, normal film light transmittance is high by about 21%, and heat-insulating property is superior, aqueouss dirt resistance coatings polychloroethylene shed film heliogreenhouse
Indoor air temperature is higher by 7.3～8.0 DEG C than normal film, solanaceous vegetables seedling culture in the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Age averagely shortens 5～7 days, and the number of blade is more 1～1.3, and crop growth is good, and the effect of increasing income is obvious.
Specific embodiment
The invention provides a kind of aqueouss dirt resistance coatings, including the component of following weight percentage：
Nano inorganic colloidal sol 1～20%, acrylic emulsions 0.1～15%, vinyl copolymer emulsion 0.3
～8%, levelling agent 0.3～2%, emulsifying agent 1～10%, UV absorbent 0.1～2%, antioxidant 0.1～2%, water 65～
90%.
The aqueouss dirt resistance coatings of the present invention include the nano inorganic colloidal sol of 1～20wt%, and preferably 5～15wt% is more excellent
Elect 10～12wt% as；In the present invention, in the nano inorganic colloidal sol, the mass content of inorganic matters is preferably 10～20wt%,
More preferably 15～18wt%.
In the present invention, the nano inorganic colloidal sol is preferably SiO2Colloidal sol, ZnO colloidal sols, TiO colloidal sols and Al2O3In colloidal sol
The mixture of one or more, more preferably SiO2, ZnO, TiO and Al2O3One or two mixture in colloidal sol；When
When the nano inorganic colloidal sol is preferably two kinds in said components, preferably SiO2Colloidal sol and Al2O3The mixture of colloidal sol,
Al2O3The mixture of colloidal sol and ZnO colloidal sols.The present invention is not limited to the mass ratio of each nano inorganic colloidal sol in the mixture,
Those skilled in the art can select the mixture of the nano inorganic colloidal sol of any mass ratio according to actual needs.
The aqueouss dirt resistance coatings of the present invention include the vinyl copolymer emulsion of 0.3～8wt%, preferably 1～
6wt%, more preferably 3～5wt%；In the present invention, the solid content of the vinyl copolymer emulsion is preferably 30
～60wt%, more preferably 40～55wt%, most preferably 45～50wt%.Beijing Orient is preferably in embodiments of the present invention
The BJ-705 vinyl copolymer emulsions of chemical company.
The aqueouss dirt resistance coatings of the present invention include the UV absorbent of 0.1～2% weight percentage, preferably 0.5
～1.5%, more preferably 1～1.2%.
In the present invention, the aqueous ultraviolet absorbent preferably includes the positive nanosecond science and technology of UV-2, UV571 and Shanghai Shanghai has
The mixture of one or more in the ZW-55 UV absorbent of limit company, matter of the present invention to the UV absorbent
Amount is than without restriction, those skilled in the art can select the mixing of the UV absorbent of any mass ratio according to actual needs
Thing.
The aqueouss dirt resistance coatings of the present invention include the emulsifying agent of 1～10wt%, preferably 4～8wt%, more preferably 5～
7wt%.
In the present invention, the emulsifying agent preferably includes TWEEN Series, fatty alcohol-polyoxyethylene ether series, alkyl phenol polyoxy
The mixture of one or more in vinyl Ether series, this Pan's series and chain alkyl trimethyl ammonia chloride amine system row；When preferably two
Kind when, the preferably mixture of TWEEN Series and alkylphenol polyoxyethylene series, TWEEN Series and chain alkyl trimethyl chlorine
The mixture of change amine system row, the more preferably mixture of Tween 80 and OP-10, polysorbate60 and trimethyl ammonia chloride
Mixture.The present invention is to each TWEEN Series, fatty alcohol-polyoxyethylene ether series, alkylphenol polyoxyethylene system in the emulsifying agent
The mass ratio of row, this Pan's series and chain alkyl trimethyl ammonia chloride amine system row is not limited, and those skilled in the art can be according to reality
Border needs the mixture of the emulsifying agent for selecting any mass ratio.
The aqueouss dirt resistance coatings of the present invention include the levelling agent of 0.3～2wt%, preferably 0.5～1.5wt%, more preferably
For 1～1.2wt%.
In the present invention, the levelling agent preferably includes polyether-modified polysiloxane, polyether-modified fluorocarbons
With the mixture of one or more in polyoxyethylene ether；It is when preferably two kinds of mixture, preferably polyether-modified poly- organic
Two kinds of mixture in siloxanes, polyether-modified fluorocarbons and polyoxyethylene ether, more preferably polyether-modified poly-organosilicon
The mixture of oxygen alkane and polyoxyethylene ether.The present invention is to each polyether-modified polysiloxane in the levelling agent, polyether-modified
The mass ratio of fluorocarbons and polyoxyethylene ether is not limited, and those skilled in the art can select any matter according to actual needs
The mixture of the levelling agent of amount ratio.In embodiments of the present invention be preferably Hangzhou Bao Er get produce organosilicon company limited BD3071 or
Tianjin Surfychem T＆D Co., Ltd. applies easily happy SIF-720 levelling agents.
The aqueouss dirt resistance coatings of the present invention include the acrylic emulsions of 0.1～15wt%, preferably 3～10wt%, more
Preferably 5～8wt%.In the present invention, the solid content of the acrylic emulsions be preferably 35～60%, more preferably 40～
55%, most preferably 45～50%.
In the present invention, the acrylic emulsions preferably include pure acrylic latex, silicone acrylic emulsion, styrene-acrylic emulsion and vinegar
Two in the mixture of one or more in acrylic emulsion, preferably pure acrylic latex, silicone acrylic emulsion, styrene-acrylic emulsion and acrylate and vinyl acetate emulsion
Kind mixture, more preferably the mixture of pure acrylic latex and silicone acrylic emulsion, pure acrylic latex and styrene-acrylic emulsion is mixed
Compound.Matter of the present invention to each pure acrylic latex, silicone acrylic emulsion, styrene-acrylic emulsion and acrylate and vinyl acetate emulsion in the acrylic emulsions
Amount is than without restriction, those skilled in the art can select the mixing of the acrylic emulsions of any mass ratio according to actual needs
Thing.
The aqueouss dirt resistance coatings that the present invention is provided include the antioxidant of 0.1～2wt%, preferably 0.5～1.5wt%, more
Preferably 1～1.2wt%.The antioxidant is preferably the BHT antioxidant of Yang Ying groups of Germany production in embodiments of the present invention.
The aqueouss dirt resistance coatings of the present invention include the water of 65～90wt%, preferably 70～85wt%, more preferably 75～
80wt%.In the present invention, the electrical conductivity of water is preferably 0.1～15 μ S/cm, more preferably 0.5～10 μ S/cm, optimum
Elect 1～3 μ S/cm as.
In the present invention, to nano inorganic colloidal sol, acrylic emulsions, vinyl copolymer emulsion, levelling
The source of agent, emulsifying agent, UV absorbent, antioxidant and water does not have any special restriction, ripe using skilled person
The commercial goods known.
The present invention does not have special restriction to the preparation method of the aqueouss dirt resistance coatings, ripe using those skilled in the art
Technical scheme prepared by the compositionss known.In the present invention, the preparation method of the aqueouss dirt resistance coatings preferably include with
Lower step：
By nano inorganic colloidal sol, acrylic emulsion, vinyl copolymer emulsion, levelling agent, emulsifying agent, ultraviolet
The mixing of light absorbers, antioxidant and water, obtains aqueouss dirt resistance coatings.
In the present invention, the time of the mixing be preferably 1～3h, more preferably 1.5～2.5h, most preferably 2～
2.2h；The temperature of the mixing is preferably 40～60 DEG C, more preferably 45～55 DEG C, most preferably 50～52 DEG C.
The present invention does not have special restriction to the mode of the mixing and equipment, using well known to those skilled in the art
Hybrid mode.Preferably mixed by the way of stirring in embodiments of the present invention, the speed of agitator is preferably 200
～600rpm, more preferably 400～550rpm, most preferably 500～520rpm.
Present invention also offers above-mentioned aqueouss dirt resistance coatings or aqueouss dirt resistance coatings obtained in above-mentioned preparation method are in polychlorostyrene
Application in ethylene canopy film.The present invention does not have special restriction to the method for the application, is known using those skilled in the art
Coating paint-on technique scheme, form dust-proof coating, the aqueouss dirt resistance coatings on the polychloroethylene shed film surface
Coated weight be preferably 5～20g/m2, more preferably 8～15g/m2, most preferably 8～10g/m2.In the present invention, it is described to answer
With preferably including following steps：
By polychloroethylene shed film to be coated through deflector roll, nip rollss, applicator roll, the effect of the deflector roll and nip rollss is
In order to support polychloroethylene shed film, aqueouss dirt resistance coatings on the applicator roll, are provided with, the applicator roll is rotated by the aqueouss
Dirt resistance coatings precision is transferred to polychloroethylene shed film surface to be coated；Polychloroethylene shed film Jing containing aqueouss dirt resistance coatings does
Dry to process the water removed in aqueouss dirt resistance coatings, the dried includes three sections of dryings, and the temperature that the first paragraph is dried is excellent
Elect 80～95 DEG C as, more preferably 85～90 DEG C, most preferably 86～88 DEG C, the time that the first paragraph is dried is preferably 0.5
～3h, more preferably 1～2.5h, most preferably 1.5～2h；The temperature that the second segment is dried is preferably 75～85 DEG C, more excellent
Elect 78～83 DEG C as, most preferably 80～82 DEG C, the time that the second segment is dried preferably 1～4h, more preferably 1.5～
3h, most preferably 2～2.5h；The 3rd section of dry temperature is preferably 70～80 DEG C, more preferably 75～78 DEG C, and described the
The time of two-stage drying is preferably 1～4h, most preferably more preferably 1.5～3h, 2～2.5h, the temperature of the dried
Can not be too high, it is too high that coating layer can be made to form crawling stricture of vagina, affect dust-proof effect；Can not be too low, it is too low, aqueouss can be made
Dirt resistance coatings are unseasoned and destroyed, poly- drop phenomenon is produced during use at destruction, is preferably being dried in embodiments of the present invention
Carry out in case, dried polychloroethylene shed film is cooled down into chill roll, chill roll is by the way of internal logical cooling water
Carry out, it is ensured that thin film is cooled down rapidly and do not produce deformation, surfacing operation is carried out into dance roller afterwards, most laggard property
Winding process, that is, obtain the polychloroethylene shed film with the dust-proof coating of aqueouss.
The present invention provide a kind of aqueouss dirt resistance coatings, with nano inorganic colloidal sol, acrylic emulsions, vinyl acetate-
Ethylene copolymerization emulsions, levelling agent, emulsifying agent, UV absorbent, antioxidant, water have been obtained aqueouss dirt resistance coatings for raw material, tool
There is the characteristics of transparency is good, be difficult contamination dust, the dust of contamination easily removes, and without organic molten in aqueouss dirt resistance coatings
Agent, with water-based, nontoxic, the advantage of environmental protection, in production and dry run, organic solvent-free volatilization, the only steaming of moisture
Send out, environment is had no adverse effects, overcome conventional solvent-borne type dirt resistance coatings substantial amounts of organic solvent in production and dry run
Volatilization, healthy, the problem of pollution environment that affect operator.Heliogreenhouse after buckle film after 45 days, normal film it is saturating
Light rate only has 45%, and light transmittance has reached 66% after the aqueouss dirt resistance coatings that the present invention is provided are applied to polychloroethylene shed film,
Normal film light transmittance is high by about 21%, and heat-insulating property is superior, aqueouss dirt resistance coatings polychloroethylene shed film heliogreenhouse indoor air temperature
7.3～8.0 DEG C are higher by than normal film, solanaceous vegetables nursery seedling age averagely contracts in the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Short 5～7 days, the number of blade is more 1～1.3, and crop growth is good, and the effect of increasing income is obvious.
The aqueouss dirt resistance coatings for providing of the invention, preparation method and applications are carried out specifically with reference to embodiment
It is bright, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
By 10g SiO2Colloidal sol and 10g ZnO colloidal sols, 3g pure acrylic latexes, 1g silicone acrylic emulsions, 2g vinyl acetates-second
Alkene copolymer emulsion, 1g BD3071,1g Tween 80s, 1.5gOP-10,0.5g ZW-55,1gBHT antioxidant, 70g water are at 40 DEG C
With the speed stirring 1h of 200rpm, aqueouss dirt resistance coatings are obtained.
The aqueouss dirt resistance coatings for obtaining are applied to prepare polychloroethylene shed film, polychloroethylene shed film to be coated is passed through
Aqueouss dirt resistance coatings precision is transferred to polychloroethylene shed film table to be coated by deflector roll, nip rollss, applicator roll, applicator roll
Face, the polychloroethylene shed film then containing aqueouss dirt resistance coatings are entered in drying baker by transmitting crawler belt, remove the dust-proof painting of aqueouss
Water in material, drying baker is three sections of temperature controls, and the control of three sections of baking temperatures is respectively 80 DEG C, 75 DEG C, 70 DEG C, and three sections when being dried
Between control be respectively 0.5h, 1h, 1h, dried polychloroethylene shed film cooled down into chill roll, enters back into tension adjustment
Roller carries out surfacing operation, most laggard property winding process, that is, obtain the polychloroethylene shed film with the dust-proof coating of aqueouss, aqueouss
The coated weight of dirt resistance coatings is 5g/m2。
The polychloroethylene shed film of obtained aqueouss dust-proof coating is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 57%, and heliogreenhouse indoor air temperature is 27.5 DEG C, the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Interior solanaceous vegetables nursery seedling age is 105 days, and the number of blade is 9.8, and crop growth is good.
Embodiment 2
1gTiO colloidal sols, 3g acrylate and vinyl acetate emulsions, 2g vinyl copolymer emulsions, 1.5g are applied into easily happy SIF-720 streams
Flat agent, 2g polysorbate60s, 0.5g trimethyl ammonia chlorides, 0.3gUV571,1g BHT antioxidant, 88.7g water are at 45 DEG C
With the speed stirring 2h of 400rpm, aqueouss dirt resistance coatings are obtained.
The aqueouss dirt resistance coatings for obtaining are applied to prepare polychloroethylene shed film, polychloroethylene shed film to be coated is passed through
Aqueouss dirt resistance coatings precision is transferred to polychloroethylene shed film table to be coated by deflector roll, nip rollss, applicator roll, applicator roll
Face, the polychloroethylene shed film then containing aqueouss dirt resistance coatings are entered in drying baker by transmitting crawler belt, remove the dust-proof painting of aqueouss
Water in material, drying baker is three sections of temperature controls, and the control of three sections of baking temperatures is respectively 95 DEG C, 85 DEG C, 80 DEG C, and three sections when being dried
Between control be respectively 3h, 4h, 4h, dried polychloroethylene shed film cooled down into chill roll, enters back into dance roller
Surfacing operation is carried out, most laggard property winding process obtains the polychloroethylene shed film with the dust-proof coating of aqueouss, and aqueouss are prevented
The coated weight of dirt coating is 20g/m2。
The polychloroethylene shed film of obtained aqueouss dust-proof coating is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 50%, and heliogreenhouse indoor air temperature is 27.1 DEG C, the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Interior solanaceous vegetables nursery seedling age is 108 days, and the number of blade is 9.7, and crop growth is good.
Embodiment 3
By 10gZnO colloidal sols, 5g pure acrylic latexes, 1g silicone acrylic emulsions, 3g vinyl copolymer emulsions, 1g
BD3071,3g trimethyl ammonia chloride, 1g UV absorbent ZW-55,0.2g UV571,1gBHT antioxidant,
75.8g water with the speed stirring 1.5h of 500rpm, obtains aqueouss dirt resistance coatings at 55 DEG C.
The aqueouss dirt resistance coatings for obtaining are applied to prepare polychloroethylene shed film, polychloroethylene shed film to be coated is passed through
Aqueouss dirt resistance coatings precision is transferred to polychloroethylene shed film table to be coated by deflector roll, nip rollss, applicator roll, applicator roll
Face, the polychloroethylene shed film then containing aqueouss dirt resistance coatings are entered in drying baker by transmitting crawler belt, remove the dust-proof painting of aqueouss
Water in material, drying baker is three sections of temperature controls, and the control of three sections of baking temperatures is respectively 90 DEG C, 80 DEG C, 75 DEG C, and three sections when being dried
Between control be respectively 2h, 2h, 3h, dried polychloroethylene shed film cooled down into chill roll, enters back into dance roller
Surfacing operation is carried out, most laggard property winding process obtains the polychloroethylene shed film with the dust-proof coating of aqueouss, and aqueouss are prevented
The coated weight of dirt coating is 15g/m2。
The polychloroethylene shed film of obtained aqueouss dust-proof coating is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 59%, and heliogreenhouse indoor air temperature is 27.6 DEG C, the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Interior solanaceous vegetables nursery seedling age is 105 days, and the number of blade is 10, and crop growth is good.
Embodiment 4
By 15gSiO2Colloidal sol, 4g pure acrylic latexes, 2g styrene-acrylic emulsions, 3g vinyl copolymer emulsions,
1gSIF-720,3g Tween 80,3gOP-10,0.3g UV absorbent UV-2,0.8gUV571,1.1gBD3071,0.4gBHT
Antioxidant, 66.4g water with the speed stirring 1h of 200rpm, obtain aqueouss dirt resistance coatings at 40 DEG C.
The aqueouss dirt resistance coatings for obtaining are applied to prepare polychloroethylene shed film, polychloroethylene shed film to be coated is passed through
Aqueouss dirt resistance coatings precision is transferred to polychloroethylene shed film table to be coated by deflector roll, nip rollss, applicator roll, applicator roll
Face, the polychloroethylene shed film then containing aqueouss dirt resistance coatings are entered in drying baker by transmitting crawler belt, remove the dust-proof painting of aqueouss
Water in material, drying baker is three sections of temperature controls, and the control of three sections of baking temperatures is respectively 80 DEG C, 75 DEG C, 70 DEG C, and three sections when being dried
Between control be respectively 0.5h, 1h, 1h, dried polychloroethylene shed film cooled down into chill roll, enters back into tension adjustment
Roller carries out surfacing operation, most laggard property winding process, that is, obtain the polychloroethylene shed film with the dust-proof coating of aqueouss, aqueouss
The coated weight of dirt resistance coatings is 10g/m2。
The polychloroethylene shed film of obtained aqueouss dust-proof coating is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 63%, and heliogreenhouse indoor air temperature is 27.5 DEG C, the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Interior solanaceous vegetables nursery seedling age is 106 days, and the number of blade is 9.5, and crop growth is good.
Embodiment 5
By 5gAl2O3Colloidal sol and 5gZnO colloidal sols, 6g pure acrylic latexes, 4g vinyl copolymer emulsions,
1gBD3071,6g polysorbate60,1gUV571,1gBHT antioxidant, 71g water with the speed stirring 3h of 600rpm, are obtained at 60 DEG C
Aqueouss dirt resistance coatings.
The aqueouss dirt resistance coatings for obtaining are applied to prepare polychloroethylene shed film, polychloroethylene shed film to be coated is passed through
Aqueouss dirt resistance coatings precision is transferred to polychloroethylene shed film table to be coated by deflector roll, nip rollss, applicator roll, applicator roll
Face, the polychloroethylene shed film then containing aqueouss dirt resistance coatings are entered in drying baker by transmitting crawler belt, remove the dust-proof painting of aqueouss
Water in material, drying baker is three sections of temperature controls, and the control of three sections of baking temperatures is respectively 88 DEG C, 83 DEG C, 78 DEG C, and three sections when being dried
Between control be respectively 0.5h, 1h, 1h, dried polychloroethylene shed film cooled down into chill roll, enters back into tension adjustment
Roller carries out surfacing operation, most laggard property winding process, that is, obtain the polychloroethylene shed film with the dust-proof coating of aqueouss, aqueouss
The coated weight of dirt resistance coatings is 8g/m2。
The polychloroethylene shed film of obtained aqueouss dust-proof coating is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 66%, and heliogreenhouse indoor air temperature is 28.0 DEG C, the polychloroethylene shed film greenhouse of aqueouss dirt resistance coatings
Interior solanaceous vegetables nursery seedling age is 107 days, and the number of blade is 10, and crop growth is good.
Comparative example
Polychloroethylene shed film not with the dust-proof coating of aqueouss is applied to into heliogreenhouse buckle film, buckle film is after 45 days, polychlorostyrene
After ethylene canopy film, light transmittance is 45%, and heliogreenhouse indoor air temperature is 20.2 DEG C, solanaceous vegetables in polychloroethylene shed film greenhouse
Nursery seedling age is 115 days, and the number of blade is 8, and crop growth is general.
A kind of aqueouss dirt resistance coatings that the present invention is provided have the dust that transparency is good, be difficult to be infected with dust, be infected with easy
Organic solvent is not contained in the characteristics of removing, and aqueouss dirt resistance coatings, and with water-based, nontoxic, the advantage of environmental protection is being produced and done
During dry, organic solvent-free volatilization, the only evaporation of moisture have no adverse effects to environment, overcome conventional solvent-borne type dust-proof
Coating in production and dry run the volatilization of substantial amounts of organic solvent, affect operator healthy, pollution environment to ask
Topic.After buckle film after 45 days, the light transmittance of normal film only has 45% to heliogreenhouse, and the aqueouss dirt resistance coatings that the present invention is provided should
66% has been reached for light transmittance after polychloroethylene shed film, normal film light transmittance is high by about 21%, and heat-insulating property is superior, aqueouss are prevented
Dirt coating polychloroethylene shed film heliogreenhouse indoor air temperature is higher by 7.3～8.0 DEG C than normal film, aqueouss dirt resistance coatings polrvinyl chloride
In canopy film greenhouse, solanaceous vegetables nursery seedling age averagely shortens 5～7 days, and the number of blade is more 1～1.3, and crop growth is good, volume increase
The effect of increasing income is obvious.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of aqueouss dirt resistance coatings, it is characterised in that including the component of following weight percentage：
Nano inorganic colloidal sol 1～20%, acrylic emulsions 0.1～15%, vinyl copolymer emulsion 0.3～
8%th, levelling agent 0.3～2%, emulsifying agent 1～10%, UV absorbent 0.1～2%, antioxidant 0.1～2%, water 65～
90%.
2. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the nano inorganic colloidal sol includes SiO2、ZnO、
TiO、Al2O3The mixture of one or more in colloidal sol.
3. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the matter of inorganic matters in the nano inorganic colloidal sol
Amount content is 10～20%.
4. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the vinyl copolymer emulsion
Solid content be 30～60%.
5. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the emulsifying agent includes TWEEN Series, fat
One in polyoxyethylenated alcohol series, alkylphenol polyoxyethylene series, this Pan's series and chain alkyl trimethyl ammonia chloride amine system row
Plant or several mixture.
6. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the levelling agent includes polyether-modified poly- organic
The mixture of one or more in siloxanes, polyether-modified fluorocarbons and polyoxyethylene ether.
7. aqueouss dirt resistance coatings according to claim 1, it is characterised in that the acrylic emulsions include pure acrylic acid
The mixture of one or more in emulsion, silicone acrylic emulsion, styrene-acrylic emulsion and acrylate and vinyl acetate emulsion.
8. application of the aqueouss dirt resistance coatings described in claim 1～7 any one in polychloroethylene shed film.
9. application according to claim 8, it is characterised in that painting of the aqueouss dirt resistance coatings in polychloroethylene shed film
The amount of covering is 5～20g/m2。
10. application according to claim 8, it is characterised in that the aqueouss dirt resistance coatings enter in polychloroethylene shed film
Row dried, the dried include three sections of dryings.
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Cited By (3)
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| CN107189518A (en) * | 2017-05-31 | 2017-09-22 | 江苏达克罗涂装技术有限公司 | A kind of glass dirt resistance coatings and preparation method thereof |
| CN107266994A (en) * | 2017-07-11 | 2017-10-20 | 白山市喜丰塑业有限公司 | A kind of antifog preventing water drops coating of aqueous scratch-resistant and its application |
| CN108912765A (en) * | 2018-07-28 | 2018-11-30 | 邹峰 | A kind of organosilicon dirt resistance coatings |
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| CN107189518A (en) * | 2017-05-31 | 2017-09-22 | 江苏达克罗涂装技术有限公司 | A kind of glass dirt resistance coatings and preparation method thereof |
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