CN113234249A - Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof - Google Patents
Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof Download PDFInfo
- Publication number
- CN113234249A CN113234249A CN202110730926.6A CN202110730926A CN113234249A CN 113234249 A CN113234249 A CN 113234249A CN 202110730926 A CN202110730926 A CN 202110730926A CN 113234249 A CN113234249 A CN 113234249A
- Authority
- CN
- China
- Prior art keywords
- coating
- zinc oxide
- nano zinc
- packaging material
- color paste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- 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
- C08J7/048—Forming gas barrier coatings
-
- 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
-
- 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
- C09D5/32—Radiation-absorbing 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2427/00—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
- C08J2427/02—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
- C08J2427/12—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 fluorine atoms
-
- 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
- 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
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a packaging material introducing nano zinc oxide protection and a preparation method thereof, wherein the packaging material comprises a nano zinc oxide resin layer, a titanium dioxide resin layer and a substrate, and the preparation method mainly comprises the following steps: (1) uniformly mixing fluorocarbon, acrylic resin, isocyanate, Propylene Glycol Methyl Ether Acetate (PGMEA), first color paste containing titanium dioxide, a dispersing agent, epoxy resin, a leveling agent, a catalyst and a solvent, coating the mixture on a PET film, and drying; (2) and (2) uniformly mixing fluorocarbon, acrylic resin, isocyanate, PGMEA, second color paste containing nano zinc oxide, a dispersing agent, epoxy resin, a flatting agent, a catalyst and a solvent, uniformly coating the mixture on the thin film coating obtained in the step (1), and drying to obtain the packaging material introduced with the protection of the nano zinc oxide. The introduced nano zinc oxide absorbs high-energy ultraviolet rays to protect the titanium dioxide on the inner layer, and in addition, the transmittance of the film to light of other bands is increased by adding the anti-reflection resin, so that the light utilization rate is improved.
Description
Technical Field
The invention relates to the field of solar cell back plates, in particular to a packaging material introducing nano zinc oxide protection and a preparation method and application thereof.
Background
The solar cell backboard is an encapsulating material positioned on the back of a solar cell module, and is used for protecting the solar cell module against the erosion of environmental factors such as light, humidity, heat and the like to materials such as an EVA (ethylene vinyl acetate) adhesive film, a cell piece and the like in an outdoor environment by virtue of the excellent unique performances such as high and low temperature resistance, ultraviolet irradiation resistance, environmental aging resistance, water vapor barrier, electrical insulation and the like, so that the solar cell backboard plays a role in weather-proof insulation protection.
Nano TiO 22Can absorb, reflect and scatter ultraviolet rays, is usually added into a coating of a solar cell backboard to improve the physical properties of the coating, achieves the aims of improving covering power, decoloring power, corrosion resistance, light resistance and weather resistance, enhancing the mechanical strength and adhesive force of the coating, preventing cracks and preventing the permeation of ultraviolet rays and moisture, thereby delaying aging and prolonging the service life, but TiO can be used for a long time under the action of ultraviolet rays in sunlight2The oxygen atom in the TiO compound can overflow to form an oxygen vacancy which is converted into grey1-xThe transmittance of light is affected, and the light conversion efficiency of the solar cell is further affected.
Disclosure of Invention
The invention provides a packaging material with introduced nano zinc oxide protection and a solar cell backboard made of the packaging material, and aims to solve the problem that the light transmittance and the performance are influenced by the deterioration of titanium dioxide in the solar cell backboard in the prior art.
The invention provides a packaging material introducing nano zinc oxide protection, which comprises a second coating, a first coating and a film substrate from top to bottom in sequence; the coating comprises fluorocarbon resin, acrylic resin, isocyanate, propylene glycol monomethyl ether acetate and an ultraviolet blocking agent; the ultraviolet blocking agent in the first coating is titanium dioxide; the ultraviolet blocking agent in the second coating is nano zinc oxide.
Further, the film substrate is a polyethylene terephthalate film (PET).
Further, the mass fraction of titanium dioxide in the first coating layer is preferably 0.1 wt% to 0.2 wt%.
Further, the mass fraction of the nano zinc oxide in the second coating is preferably 0.1 wt% to 0.2 wt%.
Further, the ultraviolet blocking agent is mixed into the paint in a color paste form.
Functional substances such as the ultraviolet blocking agent and the like are added into the coating in a color paste form and mixed, so that the substances such as the ultraviolet blocking agent and the like are more uniformly distributed in the coating.
Further, the color paste also comprises polybutylmethacrylate, barium sulfate and graphene.
The polybutylmethacrylate has the advantages of longer carbon chain and better flexibility, and is lower in brittleness and better in solvent resistance after being added into a coating in the coating to form a film; the addition of barium sulfate can improve the thickness, wear resistance, water resistance, heat resistance, surface hardness and impact resistance of the coating, and in addition, the barium sulfate has very high reflectivity in the wavelength range of 300-400 microns, so that a paint film can be protected from light aging; the graphene has a high specific surface area and strong surface adsorption capacity, and can form a net structure when the coating is dried, so that the adsorption effect of the coating and a substrate is enhanced, the coating is more compact, the adhesive force of the coating to a base material is improved, and the impact resistance, the friction resistance, the thermal conductivity and the corrosion resistance of the coating are improved.
Further, the mass ratio of the polybutylmethacrylate, the ultraviolet blocking agent, the barium sulfate and the graphene in the color paste is 50:40:2: 0.5.
Furthermore, the first coating and the second coating also comprise epoxy resin, a dispersing agent, a leveling agent, a catalyst and a solvent.
Furthermore, the mass fractions of the fluorocarbon and the acrylic resin in the first coating and the second coating are 30 wt% -50 wt%, the mass fractions of the isocyanate are 3 wt% -5 wt%, the mass fraction of the Propylene Glycol Methyl Ether Acetate (PGMEA) is 0.5 wt% -1 wt%, the mass fraction of the dispersant is 5 wt% -10 wt%, the mass fraction of the epoxy resin is 2 wt% -5 wt%, the mass fraction of the leveling agent is 1 wt% -3 wt%, the mass fraction of the catalyst is 0.5 wt% -1 wt%, and the mass fraction of the solvent is 5 wt% -15 wt%.
Further, the dispersing agent is one or more of polyvinylpyrrolidone, polyether derivatives and polyoxyethylene alkylphenol ethers.
Further, the leveling agent is preferably one or more of an acrylic copolymer, a fluorine modified acrylic leveling agent and polydimethylsiloxane.
Further, the catalyst is preferably one or more of stannous octoate, dibutyltin dilaurate and dibutyltin diacetate.
Further, the solvent is preferably one or more of n-butyl hexanoate, xylene, propylene glycol methyl ether acetate, toluene, absolute ethyl alcohol, acetone, butanone and methyl acetate.
The invention provides a preparation method of an encapsulating material with introduced nano zinc oxide protection, which comprises the following steps:
stirring and uniformly mixing fluorocarbon resin, acrylic resin, isocyanate, propylene glycol methyl ether acetate, first color paste, a dispersing agent, epoxy resin, a flatting agent, a catalyst and a solvent to obtain a first coating; the first color paste comprises titanium dioxide;
uniformly coating the first coating on a polyethylene glycol terephthalate substrate, and putting the polyethylene glycol terephthalate substrate into a drying oven for curing;
stirring and uniformly mixing fluorocarbon resin, acrylic resin, isocyanate, propylene glycol methyl ether acetate, second color paste, a dispersing agent, epoxy resin, a flatting agent, a catalyst and a solvent to obtain a second coating; the second color paste comprises nano zinc oxide;
and uniformly coating the second coating on the obtained film coating, and curing in an oven to obtain the packaging material introduced with the protection of the nano zinc oxide.
Further, the stirring speed is preferably 500-.
Further, the preparation method of the color paste comprises the following steps: uniformly mixing the materials, adding the mixture into a reaction kettle, adding zirconium beads, grinding and filtering to obtain the required color paste; the volume ratio of the zirconium beads is 0.3-0.8, and the grinding rotating speed is 3000-5000 r/min.
Further, the fineness of the first color paste is less than 10 micrometers; the fineness of the second color paste is less than 5 mu m.
The fineness of the color paste determines the maximum value of the particle size distribution of various materials in the color paste, the fineness of the color paste depends on the granularity of the added materials and the grinding time, the grinding time is longer when the fineness of the color paste is smaller, the relative cost is higher, if the fineness of the color paste is overlarge, the part with large particles can be screened out during screening, the content of effective components in the obtained color paste is lower, and the performance is influenced, so that the proper fineness of the color paste is selected, and the performance of a coating is not influenced while the cost is controlled.
Further, the temperature of the curing is preferably 140-.
The third aspect of the invention also provides an application of the packaging material introduced with the nano zinc oxide protection in the first aspect as a solar cell back plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the two coatings are coated on the surface of the PET substrate, so that the integral ultraviolet irradiation resistance, environmental aging resistance and water vapor barrier capability of the packaging material are improved.
2. The nano zinc oxide induces blue shift of a light absorption band due to a small size effect and a quantum size effect to generate broadband ultraviolet strong absorption capacity, has a shielding effect on ultraviolet (280-400nm) with a medium wavelength, can effectively replace titanium dioxide to absorb high-energy ultraviolet light, plays a role in protecting titanium dioxide in an inner coating, and prevents the titanium dioxide from deteriorating and turning grey due to the fact that a large amount of high-energy ultraviolet light is absorbed, so that the integral light transmission of the packaging material is influenced.
3. The anti-reflection resin is added in the coating, so that the transmittance of light with the wavelength of 400-1100nm can be improved, and the light utilization rate of the solar cell is further improved.
Drawings
FIG. 1 is titanium dioxide before and after deterioration;
FIG. 2 is a schematic view of a two-layer paint backing sheet;
FIG. 3 is a graph of light transmittance comparison of single and double coated encapsulating materials;
fig. 4 is a graph showing the difference in transmittance of the encapsulant of the dual coating and the single coating for different wavelengths of light.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The experimental methods used in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used therein are commercially available without otherwise specified.
The first embodiment is as follows: preparation of titanium dioxide single-coating packaging material
5g of polybutylmethacrylate, 4g of titanium dioxide, 0.2g of barium sulfate and 50mg of graphene are uniformly mixed and added into a reaction kettle containing a stirrer and a reflux condenser tube. Adding zirconium beads in a volume ratio of 0.5, grinding at a speed of 4000r/min until the fineness of the color paste is less than 10 mu m, and filtering by using a filter screen to obtain the required color paste.
40g of fluorocarbon resin, 35g of acrylic resin, 4g of isocyanate, 1g of Propylene Glycol Methyl Ether Acetate (PGMEA), 0.4625g of the prepared color paste, 5g of polyvinylpyrrolidone, 2g of epoxy resin, 2g of polydimethylsiloxane, 0.8g of stannous octoate and 10g of absolute ethyl alcohol are put into a reaction kettle containing a stirrer and dispersed for 10 minutes at a stirring speed of 3000r/min to obtain the solar cell backboard coating 1, the solar cell backboard coating is coated on a PET (polyethylene terephthalate) base material by using a scraping bar or tape casting technology and is put into a 160 ℃ oven to be cured for 3 minutes to obtain the hydrophobic waterproof solar cell backboard.
The ultraviolet-resistant paint has the advantages that titanium dioxide plays a role in ultraviolet blocking, fluorocarbon resin and acrylic resin are used for improving transmittance, and the fluorocarbon resin plays a role in hydrophobicity and water resistance.
Example two: packaging material for preparing double-layer coating introducing nano zinc oxide protection
5g of polybutylmethacrylate, 4g of nano-zinc oxide, 0.2g of barium sulfate and 50mg of graphene are uniformly mixed and added into a reaction kettle containing a stirrer and a reflux condenser tube. Adding zirconium beads in a volume ratio of 0.5, grinding at a speed of 4000r/min until the fineness of the color paste is less than 5 mu m, and filtering by using a filter screen to obtain the required color paste.
40g of fluorocarbon resin, 35g of acrylic resin, 4g of isocyanate, 1g of Propylene Glycol Methyl Ether Acetate (PGMEA), 0.4625g of the prepared color paste, 5g of polyvinylpyrrolidone, 2g of epoxy resin, 2g of polydimethylsiloxane, 0.8g of stannous octoate and 10g of absolute ethyl alcohol are put into a reaction kettle containing a stirrer and dispersed for 10 minutes at a stirring speed of 3000r/min to obtain a solar cell backboard coating 2, the solar cell backboard coating is coated on the thin film coating prepared in the first embodiment by using a scraping bar or tape casting technology and is put into a 160 ℃ oven to be cured for 3 minutes to obtain the high-transmittance ultraviolet-proof hydrophobic waterproof solar cell backboard.
Wherein, titanium dioxide and nano zinc oxide play a role in ultraviolet blocking, fluorocarbon resin and acrylic resin play a role in improving the transmittance, and fluorocarbon resin plays a role in hydrophobic and water-resistant.
Example three: comparison of the Properties of encapsulation materials treated with different coatings
The ultraviolet-visible near-infrared spectrophotometer was used to study the transmittance of the two different encapsulating materials obtained in the above examples to light of different wavelengths.
FIG. 3 shows the transmittance of the single-coating titanium dioxide encapsulating material and the double-coating encapsulating material with nano-zinc oxide protection to light with a wavelength of 300-1100 nm, and the results show that the transmittance of the double-coating encapsulating material with nano-zinc oxide protection to ultraviolet light is lower, which indicates that the introduction of nano-zinc oxide absorbs more ultraviolet light to achieve the protection effect on the inner titanium dioxide; fig. 4 is a bar chart showing the difference between the transmittance of the packaging material with the double coating layer and the transmittance of the packaging material with the single coating layer, which are protected by the nano zinc oxide, to light with different wavelengths, and the result of fig. 4 shows more clearly that the addition of the nano zinc oxide can absorb more ultraviolet light with a wavelength less than 400nm, so as to improve the ultraviolet resistance of the packaging material.
The packaging material is protected doubly by adding the coating with the nano zinc oxide and the anti-reflection resin on the surface of the titanium dioxide coating, and the inner layer of titanium dioxide is further protected due to the absorption of the nano zinc oxide on ultraviolet light, so that the phenomenon that the overall light transmission performance of the packaging material is influenced due to deterioration caused by the absorption of a large amount of ultraviolet light is avoided; in addition, the transmittance of the packaging material to light in other wave bands is improved by adding the anti-reflection resin into the coating, so that the working efficiency of the solar cell is improved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The packaging material introducing the protection of the nano zinc oxide is characterized in that the packaging material sequentially comprises a second coating, a first coating and a film substrate from top to bottom; the first coating and the second coating both comprise fluorocarbon resin, acrylic resin, isocyanate, propylene glycol monomethyl ether acetate and an ultraviolet blocking agent; the ultraviolet blocking agent in the first coating is titanium dioxide; the ultraviolet blocking agent in the second coating is nano zinc oxide.
2. The packaging material with introduced nano-zinc oxide protection as claimed in claim 1, wherein the mass fraction of titanium dioxide in the first coating layer is 0.1 wt% to 0.2 wt%; the mass fraction of the nano zinc oxide in the second coating is 0.1-0.2 wt%.
3. The packaging material with introduced nano zinc oxide protection as claimed in claim 1, wherein said UV blocker is added to the paint in the form of color paste.
4. The packaging material with the protection of the nano zinc oxide introduced thereinto according to claim 3, wherein the color paste further comprises polybutylmethacrylate, barium sulfate and graphene.
5. The packaging material with introduced nano zinc oxide protection as claimed in claim 1, wherein said first and second coating layers further comprise epoxy resin, dispersant, leveling agent, catalyst and solvent.
6. A preparation method of a packaging material introducing nano zinc oxide protection is characterized by comprising the following steps:
stirring and uniformly mixing fluorocarbon resin, acrylic resin, isocyanate, propylene glycol methyl ether acetate, first color paste, a dispersing agent, epoxy resin, a flatting agent, a catalyst and a solvent to obtain a first coating; the first color paste comprises titanium dioxide;
uniformly coating the first coating on a film substrate, and putting the film substrate into an oven for curing;
stirring and uniformly mixing fluorocarbon resin, acrylic resin, isocyanate, propylene glycol methyl ether acetate, second color paste, a dispersing agent, epoxy resin, a flatting agent, a catalyst and a solvent to obtain a second coating; the second color paste comprises nano zinc oxide;
and uniformly coating the second coating on the obtained film coating, and curing in an oven to obtain the packaging material introduced with the protection of the nano zinc oxide.
7. The preparation method of the packaging material with the protection of the nano zinc oxide introduced according to claim 6, wherein the preparation method of the color paste comprises the following steps: uniformly mixing the materials, adding the mixture into a reaction container, adding zirconium beads, grinding and filtering to obtain the required color paste; the volume ratio of the zirconium beads is 0.3-0.8, and the grinding rotating speed is 3000-5000 r/min.
8. The preparation method of the packaging material with the protection of the nano zinc oxide introduced according to claim 6, wherein the fineness of the first color paste is less than 10 μm; the fineness of the second color paste is less than 5 mu m.
9. The method as claimed in claim 6, wherein the curing temperature is 140-180 ℃.
10. Use of the packaging material incorporating nano zinc oxide protection as claimed in claim 1 as a solar cell backsheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730926.6A CN113234249B (en) | 2021-06-29 | 2021-06-29 | Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730926.6A CN113234249B (en) | 2021-06-29 | 2021-06-29 | Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113234249A true CN113234249A (en) | 2021-08-10 |
| CN113234249B CN113234249B (en) | 2022-10-18 |
Family
ID=77141188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110730926.6A Active CN113234249B (en) | 2021-06-29 | 2021-06-29 | Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113234249B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698821A (en) * | 2021-08-23 | 2021-11-26 | 苏州中来光伏新材股份有限公司 | Ultraviolet barrier coating and preparation method and application thereof |
| CN115260870A (en) * | 2022-08-09 | 2022-11-01 | 无锡极电光能科技有限公司 | Packaging coating and preparation method thereof, flexible perovskite battery packaging structure and packaging method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000332275A (en) * | 1999-05-17 | 2000-11-30 | Dainippon Printing Co Ltd | Solar battery module and protective sheet therefor |
| CN104774550A (en) * | 2015-02-04 | 2015-07-15 | 绵阳市盛宇新材料有限公司 | Nanometer TiO2/ZnO anti-ultraviolet coating for PC and preparation method thereof |
| CN105419546A (en) * | 2015-12-02 | 2016-03-23 | 安徽省通达包装材料有限公司 | Ultraviolet-resistant anti-radiation double-side coated polyester aluminized film and production method thereof |
| CN107163511A (en) * | 2017-05-05 | 2017-09-15 | 杭州福斯特应用材料股份有限公司 | A kind of heat radiating type solar cell backboard material and preparation method |
| CN108493279A (en) * | 2018-04-10 | 2018-09-04 | 苏州中来光伏新材股份有限公司 | A kind of hydrophobic water-fast solar cell backboard and preparation method based on paint-on technique |
| CN109735177A (en) * | 2018-12-07 | 2019-05-10 | 乐凯胶片股份有限公司 | A kind of solar cell backboard coating |
| CN110922826A (en) * | 2019-11-14 | 2020-03-27 | 乐凯胶片股份有限公司 | High-transparency weather-resistant coating and solar cell back plate |
-
2021
- 2021-06-29 CN CN202110730926.6A patent/CN113234249B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000332275A (en) * | 1999-05-17 | 2000-11-30 | Dainippon Printing Co Ltd | Solar battery module and protective sheet therefor |
| CN104774550A (en) * | 2015-02-04 | 2015-07-15 | 绵阳市盛宇新材料有限公司 | Nanometer TiO2/ZnO anti-ultraviolet coating for PC and preparation method thereof |
| CN105419546A (en) * | 2015-12-02 | 2016-03-23 | 安徽省通达包装材料有限公司 | Ultraviolet-resistant anti-radiation double-side coated polyester aluminized film and production method thereof |
| CN107163511A (en) * | 2017-05-05 | 2017-09-15 | 杭州福斯特应用材料股份有限公司 | A kind of heat radiating type solar cell backboard material and preparation method |
| CN108493279A (en) * | 2018-04-10 | 2018-09-04 | 苏州中来光伏新材股份有限公司 | A kind of hydrophobic water-fast solar cell backboard and preparation method based on paint-on technique |
| CN109735177A (en) * | 2018-12-07 | 2019-05-10 | 乐凯胶片股份有限公司 | A kind of solar cell backboard coating |
| CN110922826A (en) * | 2019-11-14 | 2020-03-27 | 乐凯胶片股份有限公司 | High-transparency weather-resistant coating and solar cell back plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698821A (en) * | 2021-08-23 | 2021-11-26 | 苏州中来光伏新材股份有限公司 | Ultraviolet barrier coating and preparation method and application thereof |
| CN113698821B (en) * | 2021-08-23 | 2023-02-28 | 苏州中来光伏新材股份有限公司 | Ultraviolet barrier coating and preparation method and application thereof |
| CN115260870A (en) * | 2022-08-09 | 2022-11-01 | 无锡极电光能科技有限公司 | Packaging coating and preparation method thereof, flexible perovskite battery packaging structure and packaging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113234249B (en) | 2022-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113234249B (en) | Packaging material with introduced nano zinc oxide protection, and preparation method and application thereof | |
| EP1334381B1 (en) | Optically active film composite | |
| CN106956486B (en) | Heat insulation film with high ultraviolet blocking performance and preparation method thereof | |
| EP2295491B1 (en) | Protective film and front sheet for solar cell | |
| CN108410340B (en) | Black weather-resistant coating and preparation method and application thereof | |
| JP4058822B2 (en) | Selective permeable membrane coating solution, selective permeable membrane and selective permeable multilayer membrane | |
| CN111732847A (en) | Black high-reflection composition, coating, pellet and solar cell back sheet | |
| JP2007314752A (en) | Sunlight screen dispersion, sunlight screen and method for producing the same | |
| JP5680071B2 (en) | Laminated structure | |
| WO2023221679A1 (en) | Ink and color photovoltaic assembly | |
| CN115274900A (en) | Quantum dot photovoltaic backboard and double-sided photovoltaic assembly | |
| CN110804390B (en) | Efficient heat-insulating glass coating and preparation method thereof | |
| CN111621236A (en) | Adhesive film, preparation method thereof and photovoltaic module | |
| CN103542564A (en) | Nanocrystalline ceramic selective absorbing coating of solar energy | |
| JP2011070031A (en) | Near-infrared absorbing adhesive film, antireflection film with near-infrared absorbing adhesive layer, electromagnetic wave shielding film with the near-infrared absorbing adhesive layer, and filter for plasma display | |
| CN115806757A (en) | Black high-reflection fluorocarbon two-component coating, preparation and application thereof to photovoltaic panel | |
| CN116023877A (en) | High-weather-resistance solar cell transparent backboard and preparation method thereof | |
| CA2597351A1 (en) | Accelerated uv curing | |
| EP2778204B1 (en) | Infrared reflective film, infrared reflective paint, and infrared reflector | |
| KR102318697B1 (en) | Solar power generating facility using thermally shielding member | |
| KR101288366B1 (en) | Uv light curable composition for protecting uv light and infrared light | |
| CN113528046A (en) | High-adhesion high-weather-resistance coating type solar cell backboard and preparation method thereof | |
| CN109705674B (en) | Polyvinyl butyral resin-based laser protective coating and preparation method thereof | |
| CN112409942A (en) | Heat dissipation type packaging adhesive film and preparation method thereof | |
| JP2012191068A (en) | Solar cell module and manufacturing method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |