CN107266994A - A kind of antifog preventing water drops coating of aqueous scratch-resistant and its application - Google Patents
A kind of antifog preventing water drops coating of aqueous scratch-resistant and its application Download PDFInfo
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- CN107266994A CN107266994A CN201710560344.1A CN201710560344A CN107266994A CN 107266994 A CN107266994 A CN 107266994A CN 201710560344 A CN201710560344 A CN 201710560344A CN 107266994 A CN107266994 A CN 107266994A
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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
- C09D129/00—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 alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- 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
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- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- 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
- C08J2429/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured 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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- 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
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Abstract
The invention provides a kind of aqueous antifog preventing water drops coating of scratch-resistant, include the component of following weight percentage：Nano-titanium colloidal sol 1~15%, nanometer Alumina gel 1~5%, aqueous polyurethane 0.1~10%, aqueous acrylic emulsion 0.1~10%, waterborne organic silicon class scratch-resistant auxiliary agent 0.1~5%, vinyl acetate-ethylene copolymer emulsion 3~15%, polyvinyl alcohol 1~12%, wetting agent 0.1~2%, emulsifying agent 1~10%, deionized water 65~90%, the weight/mass percentage composition sum of each component is 100%.The antifog preventing water drops coating that the present invention is provided has the characteristics of scratch-resistant effect is obvious, antifog preventing water drops performance is good, and without organic solvent, with water-based, it is nontoxic, the advantage of environmental protection, the canopy film coated with the present invention is after button canopy is used 2 years, and canopy film coat scrapes phenomenon and significantly reduced, and antifog preventing water drops performance uses no significant change with initial stage.
Description
Technical field
The present invention relates to Shed Film of Polyolefin is antifog, preventing water drops technical field, more particularly to a kind of Shed Film of Polyolefin is with aqueous
The antifog preventing water drops coating of scratch-resistant, preparation method and applications.
Background technology
Application type polyolefin is antifog, waterproof drop greenhouse film has transparent good, antifog, preventing water drops effect good, lasting effect length it is prominent
Go out advantage, the covering in the greenhouse that is mainly used in surviving the winter.The master that increasing peasant income are got rich is had become in many regional warmhouse booth plantations
Means are wanted, there are the Cultivate administration of two to three warmhouse booths, Functional Requirement of the peasant to canopy film product in each farmers' family
The features such as being not only high, antifog intensity, preventing water drops, good anti ageing property, is more desirable to occur having antifog, preventing water drops function and canopy
Shed Film of Polyolefin of the film with the life-span, it is ensured that crop is not endangered in whole growth cycle by droplet, to reach the anti-droplet of extension
Lasting period, meet the purpose of plant growth needs.
Using nanometer Alumina gel and acrylic emulsion to be main the antifog drop coating liquid used in application type Shed Film of Polyolefin more
The coating liquid of composition, due to coat during upper canopy and use because dilatory, friction and outdoor strong wind etc. are inevitable outer
Power can cause the destruction of coat, and the failure of antifog antidrip property is shown as in use.
In order to solve the above problems, mainly using the method for the secondary antifog water-repellent paint of spraying, but exist and take a lot of work arduously,
And the problem of needs regular operation.In the case of scraping especially severe, peasant only has replacing canopy film.
The content of the invention
In view of this, it is an object of the invention to provide a kind of aqueous antifog preventing water drops coating of scratch-resistant, polyene is being ensured
On the premise of hydrocarbon canopy film has the functions such as antifog, preventing water drops, the shortcoming of Shed Film of Polyolefin coating surface not scratch-resistant, extension are overcome
Application type polyolefin is antifog, the service life of waterproof drop film.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
The invention provides a kind of aqueous antifog preventing water drops coating of scratch-resistant, include the component of following weight percentage：
Nano-titanium colloidal sol 1~15%, nanometer Alumina gel 1~5%, aqueous polyurethane 0.1~10%, water-borne acrylic type breast
It is liquid 0.1~10%, waterborne organic silicon class scratch-resistant auxiliary agent 0.1~5%, vinyl copolymer emulsion 3~15%, poly-
Vinyl alcohol 1~12%, wetting agent 0.1~2%, emulsifying agent 1~10%, deionized water 65~90%, the quality of each component
Percentage composition sum is 100%.
Preferably, the solid content of the aqueous polyurethane is 5~30wt%.
Preferably, the particle diameter of the nanometer Alumina gel and nano-titanium colloidal sol independently is 5~60nm.
Preferably, the mass content of inorganic matter is 10~20% in the nanometer Alumina gel.
Preferably, the mass content of inorganic matter is 5~20% in the nano-titanium colloidal sol.
Preferably, the average degree of polymerization of the polyvinyl alcohol is 1700~1800.
Preferably, the wetting agent includes polyether-modified polysiloxane, polyether-modified fluorocarbons and polyoxy second
One or more of mixture in alkene ether.
Preferably, the aqueous acrylic emulsion includes pure acrylic latex and/or one kind or several in acrylate and vinyl acetate emulsion
The mixture planted.
Present invention also offers the antifog preventing water drops coating of aqueous scratch-resistant described in above-mentioned technical proposal in Shed Film of Polyolefin
Application.
Preferably, coated weight of the antifog preventing water drops coating of the aqueous scratch-resistant in Shed Film of Polyolefin is 0.1~10g/
m2。
The invention provides a kind of aqueous antifog preventing water drops coating of scratch-resistant, include the component of following weight percentage：
Nano-titanium colloidal sol 1~15%, nanometer Alumina gel 1~5%, aqueous polyurethane 0.1~10%, aqueous acrylic emulsion 0.1~
10%th, waterborne organic silicon class scratch-resistant auxiliary agent 0.1~5%, vinyl copolymer emulsion 3~15%, polyvinyl alcohol 1
~12%, wetting agent 0.1~2%, emulsifying agent 1~10%, deionized water 65~90%, the weight/mass percentage composition of each component
Sum is 100%.In the present invention, waterborne organic silicon class scratch-resistant auxiliary agent can reduce the coefficient of friction of coating, with preventing adhesion,
The effect of wear resistance is improved, while gloss when can increase coating film, the transparency of film is not influenceed；Polyvinyl alcohol point
Contain substantial amounts of hydroxyl in subchain, with good water solubility, while also having good film forming, cohesive force and emulsibility
Energy；Aqueous polyurethane has the performances such as excellent wear-resistant, pliability, adhesive force and chemical-resistant.It is anti-that the present invention is provided
Mist preventing water drops coating has the characteristics of scratch-resistant effect is obvious, antifog preventing water drops performance is good, and without organic solvent, with pure water
Property, nontoxic, environmentally friendly advantage.Test result indicates that, the canopy film coated with masking liquid of the present invention is after button canopy is used 2 years, and canopy film is applied
Coating scrapes phenomenon and significantly reduced, and antifog preventing water drops performance uses no significant change with initial stage.
Embodiment
The invention provides a kind of aqueous antifog preventing water drops coating of scratch-resistant, include the component of following weight percentage：
Nano-titanium colloidal sol 1~15%, nanometer Alumina gel 1~5%, aqueous polyurethane 0.1~10%, water-borne acrylic type breast
It is liquid 0.1~10%, waterborne organic silicon class scratch-resistant auxiliary agent 0.1~5%, vinyl copolymer emulsion 3~15%, poly-
Vinyl alcohol 1~12%, wetting agent 0.1~2%, emulsifying agent 1~10%, deionized water 65~90%, the quality of each component
Percentage composition sum is 100%.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 0.1~5wt% waterborne organic silicon class scratch resistance
Wipe auxiliary agent, more preferably preferably 0.1~1wt%, 0.2~0.5wt%.In the present invention, the waterborne organic silicon class scratch-resistant
Auxiliary agent can reduce the coefficient of friction of coating, with preventing adhesion, the effect of wear resistance be improved, while can increase coating film
When gloss, the transparency of film is not influenceed.The present invention is not special to the source of the waterborne organic silicon class scratch-resistant auxiliary agent
Restriction, using commercial goods well known to those skilled in the art, preferably Dow corning in embodiments of the present invention
The waterborne organic silicon of the DC-5 environmental protection of company prevents adhesion scratch-resistant auxiliary agent.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 0.1~10wt% aqueous polyurethane, preferably
For 3~8wt%, more preferably 5~7wt%.In the present invention, the aqueous polyurethane has excellent wear-resistant, pliability, attached
Put forth effort and the performance such as chemical-resistant.In the present invention, the solid content of the aqueous polyurethane is preferably 5~30wt%, more excellent
Elect 10~25wt%, most preferably 15~20wt% as.In the present invention, the particle diameter of the aqueous polyurethane is less than 1nm.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 1~12wt% polyvinyl alcohol, preferably 3~
8wt%, more preferably 5~7wt%.In the present invention, substantial amounts of hydroxyl is contained on the polyvinyl alcohol molecule chain, with good
Water solubility, while also having good film forming, cohesive force and emulsifiability.In the present invention, the polyvinyl alcohol is averaged
The degree of polymerization is preferably 1700~1800, and more preferably 1750~1780.The present invention is not special to the source of the polyvinyl alcohol
Restriction, using commercial goods well known to those skilled in the art, preferably polyvinyl alcohol in embodiments of the present invention
1899。
The aqueous dirt resistance coatings that the present invention is provided include 1~15wt% nano-titanium colloidal sol, preferably 5~12wt%, more
Preferably 8~10wt%.In the present invention, the mass content of inorganic matter is preferably 5~20wt% in the nano-titanium colloidal sol, more
Preferably 10~15wt%.In the present invention, the particle diameter of the nano-titanium colloidal sol is preferably 5~60nm, more preferably 10~
50nm, most preferably 20~30nm.In the present invention, the nano-titanium colloidal sol can increase the wearability of coating, and nano-titanium is molten
Glue has good film forming.
The aqueous dirt resistance coatings that the present invention is provided include 1~5wt% nanometer Alumina gel, preferably 2~3wt%.At this
In invention, the mass content of inorganic matter is preferably 10~20wt% in the nanometer Alumina gel, more preferably 15~18wt%.
In the present invention, the particle diameter of the nanometer Alumina gel is preferably 5~60nm, more preferably 10~50nm, most preferably 20~30nm.
In the present invention, the nanometer Alumina gel can increase the wearability of coating, and nanometer Alumina gel has good film forming.
The vinyl that the antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 3~15wt% is total to
Poly- emulsion, preferably 5~10wt%, more preferably 7~8wt%.In the present invention, the vinyl copolymerization breast
The solid content of liquid is preferably 30~60wt%, more preferably 40~55wt%, most preferably 45~50wt%.The present invention is to described
The source of vinyl copolymer emulsion is without special restriction, using commercial goods well known to those skilled in the art
, preferably BJ-707 vinyl copolymer emulsions of Beijing Orient chemical company in embodiments of the present invention.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 1~10wt% emulsifying agent, preferably 4~
8wt%, more preferably 5~7wt%.In the present invention, the emulsifying agent preferably includes TWEEN Series, AEO
One or more of mixture in series, chain alkyl trimethyl ammonium chloride series；When preferably two kinds, preferably tween system
The mixture arranged with chain alkyl trimethyl ammonia chloride amine system is arranged, more preferably Tween 80 and cetyl trimethyl ammonium chloride is mixed
The mixture of compound, polysorbate60 and DTAC.The present invention is to each TWEEN Series, fat in the emulsifying agent
The mass ratio of alcohol APEO series and chain alkyl trimethyl ammonium chloride series is not limited, and those skilled in the art can root
The mixture for the emulsifying agent for selecting any mass ratio according to being actually needed.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 0.1~2wt% wetting agent, preferably 0.5
~1.5wt%, more preferably 0.8~1.2wt%.In the present invention, the wetting agent preferably includes polyether-modified poly-organosilicon
One or more of mixtures in oxygen alkane, polyether-modified fluorocarbons and APEO；When preferably two kinds mixtures
When, two kinds of mixture in preferably polyether-modified polysiloxane, polyether-modified fluorocarbons and APEO, more
The mixture of preferably polyether-modified polysiloxane and APEO.The present invention is to each polyether-modified in the wetting agent
The mass ratio of polysiloxane, polyether-modified fluorocarbons and APEO is not limited, and those skilled in the art can
The mixture of the wetting agent of any mass ratio is selected according to actual needs.It is preferably Hangzhou Bao Er get productions in embodiments of the present invention
Organosilicon Co., Ltd BD-3071 or Tianjin Surfychem T＆D Co., Ltd. apply easily happy FS-660 wetting agents.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 0.1~10wt% aqueous acrylic emulsion,
Preferably 1~8wt%, more preferably 2~6wt%.In the present invention, the solid content of the aqueous acrylic emulsion is preferably 10
~25wt%, more preferably 15~25wt%, most preferably 15~20wt%.In the present invention, the water-borne acrylic type breast
Liquid preferably includes pure acrylic latex and/or acrylate and vinyl acetate emulsion.When the aqueous acrylic emulsion is pure acrylic latex and vinegar
During the mixture of acrylic emulsion, the present invention does not have to the mass ratio of pure acrylic latex and acrylate and vinyl acetate emulsion in the acrylic emulsions
Limitation, those skilled in the art can select the mixture of the aqueous acrylic emulsion of any mass ratio according to actual needs.
The antifog preventing water drops coating of aqueous scratch-resistant that the present invention is provided includes 65~90wt% deionized water, preferably 70
~85wt%, more preferably 75~80wt%.In the present invention, the electrical conductivity of the deionized water is preferably 0.1~15 μ S/
Cm, more preferably 0.5~10 μ S/cm, most preferably 1~3 μ S/cm.
The present invention does not have special restriction to the preparation method of the aqueous antifog preventing water drops coating of scratch-resistant, using ability
Technical scheme prepared by composition known to field technique personnel.In the present invention, the antifog preventing water drops of aqueous scratch-resistant
The preparation method of coating preferably includes following steps：
Nano-titanium colloidal sol, nanometer Alumina gel, aqueous polyurethane, aqueous acrylic emulsion, aqueous scratch-resistant are wiped into auxiliary agent, second
Vinyl acetate-ethylene copolymerization emulsions, polyvinyl alcohol, emulsifying agent, wetting agent, deionized water mixing, obtain aqueous scratch-resistant antifog
Preventing water drops coating.
In the present invention, the time of the mixing is 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 limitation to the mode and equipment of the mixing, using well known to those skilled in the art
Hybrid mode.The mode for being preferred to use stirring in embodiments of the present invention is mixed, and the speed of agitator is preferably 200
~600rpm, more preferably 400~550rpm, most preferably 500~520rpm.
The present invention does not have any special restriction to the addition sequence of each raw material, is known using those skilled in the art
Charging sequence, in embodiments of the present invention, added after the preferred alcoholysis of polyvinyl alcohol, the temperature of the alcoholysis is excellent
Elect 80~100 DEG C, most preferably more preferably 85~95 DEG C, 90~95 DEG C as；The time of the alcoholysis is preferably 2~4h, more
Preferably 3~3.5h.
Present invention also offers aqueous resistance to made from the above-mentioned aqueous antifog preventing water drops coating of scratch-resistant or above-mentioned preparation method
Scrape the application in antifog preventing water drops coating Shed Film of Polyolefin.In the present invention, the Shed Film of Polyolefin preferably through corona at
Reason.The present invention does not have special limitation to the method for the application, using the coating skill of coating well known to those skilled in the art
Art scheme.The aqueous antifog preventing water drops coating of scratch-resistant is preferably coated on the Shed Film of Polyolefin surface by the present invention,
Form the antifog preventing water drops coating of aqueous scratch-resistant.In the present invention, the coated weight of the antifog preventing water drops coating of the aqueous scratch-resistant
Preferably 0.1~10g/m2, more preferably 1~4g/m2, most preferably 2~3g/m2。
In the present invention, the application preferably includes following steps：
(1) polyolefin base film is prepared；
(2) sided corona treatment：Film tension is set to reach more than 40 dynes, more preferably 50~60 dynes.In the present invention, institute
Stating sided corona treatment contributes to the antifog preventing water drops coating of aqueous scratch-resistant to be easier to be attached to polyolefin base film surface；
(3) online coating:After the aqueous antifog preventing water drops coating deionized water of scratch-resistant is diluted, through sided corona treatment
In the antifog preventing water drops coating of aqueous scratch-resistant of polyolefin base film immersion dilution afterwards, by the antifog waterproof drop coating of aqueous scratch-resistant
Material precision is transferred to Shed Film of Polyolefin surface to be coated, completes online coating operation；In the present invention, the aqueous scratch-resistant
Antifog preventing water drops coating and the mass ratio of deionized water are preferably 1：5~15, more preferably 1：7~8；
(4) dry：Polyolefin film by coating is dried, and the temperature of the drying is preferably 70~80 DEG C, more preferably
72~78 DEG C.In the present invention, the temperature of the drying can not be too high, too high to make polyolefin base film formation crawling line,
Influence antifog, preventing water drops effect；Can not be too low, it is too low, polyolefin base film can be made to fail timely drying and be destroyed,
Poly- drop phenomenon is easily formed in the place of destroyed coating when in use；
(5) wind.
The antifog preventing water drops coating of aqueous scratch-resistant and its application provided with reference to embodiment the present invention carries out detailed
Explanation, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
5g polyvinyl alcohol is first first used to 90 DEG C of 50g hot water dissolving.(solid content is 10% to 10g nanometers of Alumina gels, particle diameter
For 5nm) and 10g nano-titaniums colloidal sol (solid content is 20%, and particle diameter is 60nm), (solid content is 5% to 3g aqueous polyurethanes, particle diameter
For 0.5nm), 1g pure acrylic latexes (solid content is 10%), 0.2g Dow cornings company DC-5 environmental protection it is aqueous organic
Silicon prevent adhesion scratch-resistant auxiliary agent, 2g vinyls copolymer emulsion, the organically-modified silica alkane of 1g polyethers, 1g Tween 80s,
1.5g DTACs, the 10g polyvinyl alcohol prepared, 70g deionized waters are in 20 DEG C of speed with 200rpm
1h is stirred, the antifog preventing water drops coating of aqueous scratch-resistant is obtained.
By the antifog preventing water drops coating of obtained aqueous scratch-resistant and deionized water 1：8 dilutions, applied to preparing polyolefin canopy
Film, the polyolefin base film prepared is carried out in corona, immersion coating groove, and the antifog preventing water drops coating of aqueous scratch-resistant is accurate
Shed Film of Polyolefin surface to be coated is transferred to, online coating operation is completed.Polyolefin film by coating imports drying baker and entered
Row continuous drying is wound, and drying temperature is set as 70 DEG C.Obtain with the antifog preventing water drops Shed Film of Polyolefin of aqueous scratch-resistant, water
Property the antifog preventing water drops coating of scratch-resistant coated weight be 3g/m2。
The obtained aqueous antifog preventing water drops Shed Film of Polyolefin of scratch-resistant is applied to heliogreenhouse buckle film, buckle film is after 2 years,
Shed Film of Polyolefin coating scrapes phenomenon without obvious, and canopy film outward appearance is good, can be continuing with, crop growing state is good.
Embodiment 2
10g polyvinyl alcohol is first first used to 80 DEG C of 100g hot water dissolving.(solid content is 20% to 5g nanometers of Alumina gels, particle diameter
For 60nm) and 15g nano-titaniums colloidal sol (solid content is 10%, and particle diameter is 5nm), (solid content is 30% to 6g aqueous polyurethanes, particle diameter
For 0.5nm), 2g acrylate and vinyl acetate emulsions (solid content is 25%), 0.5g waterborne organic silicon class scratch-resistants auxiliary agent, 3g vinyl acetates-second
Alkene copolymer emulsion, 1.5g polyethers organic fluorocarbon compounds, 2g polysorbate60s, 0.5g DTACs, prepare
10g polyvinyl alcohol, 70g deionized waters stir 2h in 45 DEG C of speed with 400rpm, obtain the antifog waterproof drop coating of aqueous scratch-resistant
Material.
By the antifog preventing water drops coating of obtained aqueous scratch-resistant and deionized water 1：7 dilutions, applied to preparing polyolefin canopy
Film, the polyolefin base film prepared is carried out in corona, immersion coating groove, and the antifog preventing water drops coating of aqueous scratch-resistant is accurate
Shed Film of Polyolefin surface to be coated is transferred to, online coating operation is completed.Polyolefin film by coating imports drying baker and entered
Row continuous drying is wound, and drying temperature is set as 80 DEG C.Obtain with the antifog preventing water drops Shed Film of Polyolefin of aqueous scratch-resistant, water
Property the antifog preventing water drops coating of scratch-resistant coated weight be 4g/m2。
The obtained aqueous antifog preventing water drops Shed Film of Polyolefin of scratch-resistant is applied to heliogreenhouse buckle film, buckle film is after 2 years,
Shed Film of Polyolefin coating scrapes phenomenon without obvious, and canopy film outward appearance is good, can be continuing with, crop growing state is good.
Comparative example
By outsourcing application type polyolefin is antifog, waterproof drop greenhouse film is applied to heliogreenhouse buckle film, buckle film is after 1 year, polyolefin
Canopy film surface is scraped substantially, and most of because scraping makes antifog, preventing water drops disabler using the canopy film surfaces of 2 years, canopy film is saturating
Light rate is low, and crop growing state is general, it is necessary to change canopy film.
Described 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 antifog preventing water drops coating of aqueous scratch-resistant, includes the component of following weight percentage：
Nano-titanium colloidal sol 1~15%, nanometer Alumina gel 1~5%, aqueous polyurethane 0.1~10%, aqueous acrylic emulsion
0.1~10%, waterborne organic silicon class scratch-resistant auxiliary agent 0.1~5%, vinyl copolymer emulsion 3~15%, poly- second
Enol 1~12%, wetting agent 0.1~2%, emulsifying agent 1~10%, deionized water 65~90%, the quality hundred of each component
It is 100% to divide content sum.
2. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that the aqueous polyurethane
Solid content is 5~30wt%.
3. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that the nanometer Alumina gel and
The particle diameter of nano-titanium colloidal sol independently is 5~60nm.
4. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that in the nanometer Alumina gel
The mass content of inorganic matter is 10~20%.
5. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that in the nano-titanium colloidal sol
The mass content of inorganic matter is 5~20%.
6. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that the polyvinyl alcohol it is flat
Right homopolymerization is 1700~1800.
7. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that the wetting agent includes poly-
One or more of mixture in ether modified polyorganosiloxanes, polyether-modified fluorocarbons and APEO.
8. the antifog preventing water drops coating of aqueous scratch-resistant according to claim 1, it is characterised in that the water-borne acrylic type
Emulsion includes pure acrylic latex and/or acrylate and vinyl acetate emulsion.
9. application of the aqueous antifog preventing water drops coating of scratch-resistant in Shed Film of Polyolefin described in claim 1~8 any one.
10. application according to claim 9, it is characterised in that the aqueous antifog preventing water drops coating of scratch-resistant is in polyene
Coated weight in hydrocarbon canopy film is 0.1~10g/m2。
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| JP2020007453A (en) * | 2018-07-09 | 2020-01-16 | 東日本旅客鉄道株式会社 | Dew condensation dripping suppression coating |
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