CN113462297A - EVA (ethylene-vinyl acetate) adhesive film suitable for photovoltaic power generation system - Google Patents
EVA (ethylene-vinyl acetate) adhesive film suitable for photovoltaic power generation system Download PDFInfo
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- CN113462297A CN113462297A CN202010176190.8A CN202010176190A CN113462297A CN 113462297 A CN113462297 A CN 113462297A CN 202010176190 A CN202010176190 A CN 202010176190A CN 113462297 A CN113462297 A CN 113462297A
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- adhesive film
- power generation
- photovoltaic power
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- 239000005038 ethylene vinyl acetate Substances 0.000 title claims abstract description 31
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title claims abstract description 31
- 239000002313 adhesive film Substances 0.000 title claims abstract description 17
- 238000010248 power generation Methods 0.000 title claims abstract description 13
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title abstract description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000007513 acids Chemical class 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 7
- -1 dipentaerythritol ester Chemical class 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 4
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 4
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000004927 clay Substances 0.000 claims abstract description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000001153 fluoro group Chemical class F* 0.000 claims abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 4
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920000090 poly(aryl ether) Polymers 0.000 claims abstract description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- IPGANOYOHAODGA-UHFFFAOYSA-N dilithium;dimagnesium;dioxido(oxo)silane Chemical compound [Li+].[Li+].[Mg+2].[Mg+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O IPGANOYOHAODGA-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical compound COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 claims description 3
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 3
- 229940007718 zinc hydroxide Drugs 0.000 claims description 3
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 6
- 239000000945 filler Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2421/00—Presence of unspecified rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2451/00—Presence of graft polymer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2471/00—Presence of polyether
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Photovoltaic Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an EVA (ethylene vinyl acetate) adhesive film suitable for a photovoltaic power generation system, which consists of the following substances in parts by weight: 70-90 parts of ethylene-vinyl acetate copolymer (VA is 20-35 parts and MI is 30-45), 5-10 parts of acrylic acid grafted EVA copolymer, 10-18 parts of acidic compound, 1-3 parts of long-chain hydrocarbon, 0.1-0.6 part of catalyst, 0.03-0.06 part of 2, 6-tertiary butyl-4-methylphenol, 0.1-0.5 part of side chain type sulfonated fluorine-containing polyarylether, 15-30 parts of composite flame retardant, 3-7 parts of organic clay, 1-3 parts of anti-aging agent, 2-4 parts of ethylene bis stearamide, 8-16 parts of fine rubber powder, 6-12 parts of talcum powder and 0.2-0.8 part of dipentaerythritol ester; the invention adopts the fine rubber powder as the filler to effectively improve the toughness, effectively expands the range of high and low temperature resistance to adapt to more severe environment, and effectively prevents aging to prolong the service life while greatly improving the photoelectric conversion efficiency.
Description
Technical Field
The invention relates to an EVA (ethylene vinyl acetate) adhesive film suitable for a photovoltaic power generation system.
Background
EVA (ethylene-vinyl acetate copolymer) is a thermoplastic high polymer material and is formed by copolymerizing ethylene and vinyl acetate at high temperature and high pressure; EVA adhesive films with different transparencies, softness and toughness can be obtained by adjusting the proportion of ethylene to vinyl acetate; because the EVA adhesive film has the characteristics of low shrinkage, high light transmittance, high peel strength, excellent weatherability and processability, etc., it has become a photovoltaic panel packaging material most commonly used in the field of photovoltaic power generation.
The existing EVA adhesive film suitable for a photovoltaic power generation system is poor in toughness, easy to break, small in limit value range of resisting high and low temperatures, limited in application range, low in photoelectric conversion efficiency, short in service life and ready for further improvement.
Disclosure of Invention
In view of the current situation of the prior art, the invention aims to provide an EVA adhesive film suitable for a photovoltaic power generation system, which adopts fine rubber powder as a filler to effectively improve toughness, effectively expands a high and low temperature resistant range to adapt to a more severe environment, and effectively prevents aging to prolong service life while greatly improving photoelectric conversion efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the EVA adhesive film suitable for the photovoltaic power generation system is characterized by comprising the following substances in parts by weight: 70-90 parts of ethylene-vinyl acetate copolymer (VA is 20-35 parts and MI is 30-45), 5-10 parts of acrylic acid grafted EVA copolymer, 10-18 parts of acidic compound, 1-3 parts of long-chain hydrocarbon, 0.1-0.6 part of catalyst, 0.03-0.06 part of 2, 6-tertiary butyl-4-methylphenol, 0.1-0.5 part of side chain type sulfonated fluorine-containing polyarylether, 15-30 parts of composite flame retardant, 3-7 parts of organic clay, 1-3 parts of anti-aging agent, 2-4 parts of ethylene bis stearamide, 8-16 parts of fine rubber powder, 6-12 parts of talcum powder and 0.2-0.8 part of dipentaerythritol ester.
Preferably, the acidic compound is one or more of ammonium polyphosphate, carbonic acid, carbonate, sodium polyacrylate, calcium silicate and trimethyl phosphite.
Preferably, the composite flame retardant is a mixture of superfine zinc hydroxide and superfine silicon hydroxide in a mass ratio of 1: 1.
Preferably, the catalyst is one of magnesium lithium silicate, quaternary ammonium salt intercalated sodium-based montmorillonite and quaternary phosphonium salt modified montmorillonite.
Compared with the prior art, the invention has the advantages that: the invention adopts the fine rubber powder as the filler to effectively improve the toughness, effectively expands the range of high and low temperature resistance to adapt to more severe environment, and effectively prevents aging to prolong the service life while greatly improving the photoelectric conversion efficiency.
Detailed Description
An EVA adhesive film suitable for a photovoltaic power generation system is composed of the following substances in parts by weight: 80 parts of ethylene-vinyl acetate copolymer (VA is 28 and MI is 36), 8 parts of acrylic acid grafted EVA copolymer, 12 parts of acidic compound, 2 parts of long-chain hydrocarbon, 0.4 part of catalyst, 0.05 part of 2, 6-tertiary butyl-4-methylphenol, 0.1 part of side chain type sulfonated fluorine-containing polyarylether, 20 parts of composite flame retardant, 4 parts of organic clay, 1 part of anti-aging agent, 3 parts of ethylene bis stearamide, 10 parts of fine rubber powder, 8 parts of talcum powder and 0.6 part of dipentaerythritol ester.
The acidic compound is one or more of ammonium polyphosphate, carbonic acid, carbonate, sodium polyacrylate, calcium silicate and trimethyl phosphite;
the composite flame retardant is a mixture of superfine zinc hydroxide and superfine silicon hydroxide in a mass ratio of 1:1, and the catalyst is one of magnesium lithium silicate, quaternary ammonium salt intercalated sodium-based montmorillonite and quaternary phosphonium salt modified montmorillonite.
And (3) performance testing:
the EVA adhesive film obtained by synthesizing the above substances is measured by the following method:
1. UV resistance test
The test conditions were: the temperature is 60 +/-5 ℃, the wavelength is 200-400 nm, and the irradiation intensity is 15 KW.h/m 2.
2. Aging resistance
The aging resistance test conditions are as follows: the temperature is 90 ℃, the relative humidity is 80 percent, and the time is 2000 h.
3. Photoelectric conversion efficiency
And respectively packaging the monocrystalline silicon solar battery packs by using the obtained EVA adhesive films, and testing the photoelectric conversion efficiency according to the packaging method.
After testing, the EVA adhesive film disclosed by the invention has good ultraviolet resistance and aging resistance, and has higher photoelectric conversion efficiency.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The EVA adhesive film suitable for the photovoltaic power generation system is characterized by comprising the following substances in parts by weight: 70-90 parts of ethylene-vinyl acetate copolymer (VA is 20-35 parts and MI is 30-45), 5-10 parts of acrylic acid grafted EVA copolymer, 10-18 parts of acidic compound, 1-3 parts of long-chain hydrocarbon, 0.1-0.6 part of catalyst, 0.03-0.06 part of 2, 6-tertiary butyl-4-methylphenol, 0.1-0.5 part of side chain type sulfonated fluorine-containing polyarylether, 15-30 parts of composite flame retardant, 3-7 parts of organic clay, 1-3 parts of anti-aging agent, 2-4 parts of ethylene bis stearamide, 8-16 parts of fine rubber powder, 6-12 parts of talcum powder and 0.2-0.8 part of dipentaerythritol ester.
2. The EVA adhesive film suitable for a photovoltaic power generation system according to claim 1, wherein the acidic compound is one or more of ammonium polyphosphate, carbonic acid, carbonate, sodium polyacrylate, calcium silicate and trimethyl phosphite.
3. The EVA adhesive film suitable for a photovoltaic power generation system of claim 1, wherein the composite flame retardant is a mixture of ultrafine zinc hydroxide and ultrafine silicon hydroxide in a mass ratio of 1: 1.
4. The EVA adhesive film suitable for a photovoltaic power generation system of claim 1, wherein the catalyst is one of magnesium lithium silicate, quaternary ammonium salt intercalated sodium-based montmorillonite, and quaternary phosphonium salt modified montmorillonite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176190.8A CN113462297A (en) | 2020-03-13 | 2020-03-13 | EVA (ethylene-vinyl acetate) adhesive film suitable for photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176190.8A CN113462297A (en) | 2020-03-13 | 2020-03-13 | EVA (ethylene-vinyl acetate) adhesive film suitable for photovoltaic power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN113462297A true CN113462297A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010176190.8A Pending CN113462297A (en) | 2020-03-13 | 2020-03-13 | EVA (ethylene-vinyl acetate) adhesive film suitable for photovoltaic power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849382A (en) * | 2022-12-26 | 2023-03-28 | 山东理工昊明新能源有限公司 | Silicon material for photovoltaic power generation and preparation method thereof |
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2020
- 2020-03-13 CN CN202010176190.8A patent/CN113462297A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849382A (en) * | 2022-12-26 | 2023-03-28 | 山东理工昊明新能源有限公司 | Silicon material for photovoltaic power generation and preparation method thereof |
| CN115849382B (en) * | 2022-12-26 | 2023-07-21 | 山东理工职业学院 | Silicon material for photovoltaic power generation and preparation method thereof |
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