CN117229728A - Light conversion adhesive film and preparation method and application thereof - Google Patents
Light conversion adhesive film and preparation method and application thereof Download PDFInfo
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- CN117229728A CN117229728A CN202311508511.XA CN202311508511A CN117229728A CN 117229728 A CN117229728 A CN 117229728A CN 202311508511 A CN202311508511 A CN 202311508511A CN 117229728 A CN117229728 A CN 117229728A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 107
- 239000002313 adhesive film Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 41
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 40
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- 239000007822 coupling agent Substances 0.000 claims abstract description 20
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 239000002105 nanoparticle Substances 0.000 claims abstract description 8
- 239000000155 melt Substances 0.000 claims abstract description 3
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 22
- 238000005266 casting Methods 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 11
- QUZSUMLPWDHKCJ-UHFFFAOYSA-N bisphenol A dimethacrylate Chemical class C1=CC(OC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OC(=O)C(C)=C)C=C1 QUZSUMLPWDHKCJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 239000003607 modifier Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 4
- 239000007850 fluorescent dye Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- -1 tert-amyl peroxy (2-ethylhexyl) carbonate Chemical compound 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims description 2
- YKTNISGZEGZHIS-UHFFFAOYSA-N 2-$l^{1}-oxidanyloxy-2-methylpropane Chemical group CC(C)(C)O[O] YKTNISGZEGZHIS-UHFFFAOYSA-N 0.000 claims description 2
- FIYMNUNPPYABMU-UHFFFAOYSA-N 2-benzyl-5-chloro-1h-indole Chemical compound C=1C2=CC(Cl)=CC=C2NC=1CC1=CC=CC=C1 FIYMNUNPPYABMU-UHFFFAOYSA-N 0.000 claims description 2
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 claims description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 claims description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 2
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims description 2
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 2
- 229920005680 ethylene-methyl methacrylate copolymer Polymers 0.000 claims description 2
- QZEJHHGVNNHHSU-UHFFFAOYSA-N hexyl benzenecarboperoxoate Chemical compound CCCCCCOOC(=O)C1=CC=CC=C1 QZEJHHGVNNHHSU-UHFFFAOYSA-N 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 229920000554 ionomer Polymers 0.000 claims description 2
- 239000004611 light stabiliser Substances 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- ZARVOZCHNMQIBL-UHFFFAOYSA-N oxygen(2-) titanium(4+) zirconium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4] ZARVOZCHNMQIBL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004711 α-olefin Substances 0.000 claims description 2
- 229940096522 trimethylolpropane triacrylate Drugs 0.000 claims 2
- 230000003078 antioxidant effect Effects 0.000 claims 1
- BUZRAOJSFRKWPD-UHFFFAOYSA-N isocyanatosilane Chemical compound [SiH3]N=C=O BUZRAOJSFRKWPD-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims 1
- 239000010954 inorganic particle Substances 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 72
- 230000000052 comparative effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical compound S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 239000002356 single layer Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 229920002125 Sokalan® Polymers 0.000 description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 description 1
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 description 1
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- DLSMLZRPNPCXGY-UHFFFAOYSA-N tert-butylperoxy 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OOOC(C)(C)C DLSMLZRPNPCXGY-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention belongs to the technical field of photovoltaic adhesive films, and particularly discloses a light conversion adhesive film, a preparation method and application thereof, wherein the light conversion adhesive film comprises the following components in parts by weight: 74-100 parts of main resin, 0.4-1 part of main cross-linking agent, 0.4-1.2 parts of auxiliary cross-linking agent, 0.1-0.6 part of coupling agent, 0.05-0.2 part of anti-aging auxiliary agent and 3-26 parts of functional master batch; the functional master batch comprises at least one of a polishing master batch, a polishing master batch and a high refractive index master batch. The light conversion adhesive film can improve the power generation of the component, ensure the high efficiency of light conversion function, and also can improve the refractive index of the adhesive film, and ensure the uniform dispersion of inorganic nano particles in the product and the product performance through the surface treatment, the melt dispersion of the inorganic particles.
Description
Technical Field
The invention relates to the technical field of photovoltaic adhesive films, in particular to a light conversion adhesive film, a preparation method and application thereof.
Background
With the exhaustion of fossil energy, solar energy is a renewable green energy source, and is the focus of development and research, wherein solar cell technology is rapidly developed. The distribution of the solar spectrum is a broadband spectrum from 200nm to 2500 nm. For a crystalline silicon solar photovoltaic cell, the semiconductor band gap is 1.1eV, so that the crystalline silicon solar photovoltaic cell can only respond to light waves of 200nm to 1200nm, and for high-energy photons, such as ultraviolet light and blue-green light, only one electron-hole pair can be generated due to absorption of one photon, and other energy is lost in the form of heat through lattice resonance; and light with the wavelength of more than 1200nm cannot be absorbed by the crystalline silicon solar photovoltaic cell, and the solar energy is completely lost. According to the calculation, for the energy in the solar spectrum, the part of the crystalline silicon solar photovoltaic cells on the market which can be effectively utilized at present is approximately 486W/m 2 Of the energy which cannot be effectively utilized, the portion which can be used for up-conversion (conversion of infrared light into visible light) has 164W/m 2 The portion that can be used for down-conversion (conversion of ultraviolet light into visible light) is 149W/m 2 。
The power of the photovoltaic module is difficult to be improved at the present stage, the power of the module is improved by 0.2 percent, and the photovoltaic module has considerable value when being matched with the large-scale effect of the photovoltaic industry. The photovoltaic light conversion adhesive film is used as an important component in the photovoltaic module, and has a certain contribution to the improvement of the power of the photovoltaic module. A conventional photovoltaic light conversion adhesive film is in a down conversion mode, for example, patent application CN116741866a discloses a composite adhesive film and a photovoltaic module, wherein the composite adhesive film comprises a cut-off layer, a first isolation layer and a down light conversion layer which are sequentially laminated, and the cut-off layer is an adhesive film containing a cut-off agent and used for controlling the spectrum irradiation range; the lower light conversion layer is a glue film with a lower light conversion function and used for converting ultraviolet bands into visible light bands, and the first isolation layer is used for isolating the cut-off layer and the lower light conversion layer to be mutually fused. The photovoltaic module comprises a battery piece, at least one side surface of the battery piece is provided with the composite adhesive film, a lower light conversion layer of the composite adhesive film is close to the battery piece, and a cut-off layer is far away from the battery piece. The photovoltaic module packaged by the composite adhesive film can maintain a high light conversion effect for a long time, so that the light conversion effect is ensured to be maximized, and the output power and the reliability of the module are greatly improved. However, in the prior art, the up-conversion material is less in application, and meanwhile, due to losses such as interface reflection, the utilization rate of the photovoltaic light conversion adhesive film to sunlight still has room for improvement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a light conversion adhesive film, a preparation method and application thereof, wherein the light conversion adhesive film has two functions of up-conversion and down-conversion, and can fully improve the utilization efficiency of sunlight, thereby improving the power generation of a solar photovoltaic module.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a light conversion adhesive film which comprises the following components in parts by weight: 74-100 parts of main resin, 0.4-1 part of main cross-linking agent, 0.4-1.2 parts of auxiliary cross-linking agent, 0.1-0.6 part of coupling agent, 0.05-0.2 part of anti-aging auxiliary agent and 3-26 parts of functional master batch; the functional master batch comprises at least one of a polishing master batch, a polishing master batch and a high refractive index master batch.
Preferably, the main resin includes at least one of an ethylene- α -olefin copolymer, an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-methyl methacrylate copolymer, an ethyl-methacrylate copolymer, an ethylene-butyl acrylate copolymer, polyvinyl butyral, an ionomer, and a silicone.
Preferably, the main crosslinking agent comprises at least one of tert-butyl peroxy 2-ethylhexyl carbonate, tert-amyl peroxy (2-ethylhexyl) carbonate, dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, 2, 5-dimethyl-2, 5-di (benzoyl) peroxy hexane, 1-bis (tert-butylperoxy) -3, 5-trimethylcyclohexane and polyether poly-tert-butyl peroxycarbonate.
Preferably, the auxiliary crosslinking agent comprises at least one of triallyl isocyanurate, ethoxylated bisphenol-A-dimethacrylate, trimethylallyl isocyanate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, pentaerythritol triacrylate, ethoxylated trimethylolpropane triacrylate and propoxylated trimethylolpropane triacrylate.
Preferably, the coupling agent comprises at least one of a vinyl silane coupling agent, an amino silane coupling agent, an isocyanate-based silane coupling agent, a sulfur-containing silane coupling agent, an epoxy silane coupling agent and a titanate coupling agent.
Preferably, the anti-aging auxiliary agent comprises at least one of phenolic antioxidants, phosphite antioxidants, hindered amine light stabilizers, ultraviolet light absorbers, hydrolysis-resistant auxiliary agents and metal ion capturing agents.
Preferably, the preparation method of the functional master batch comprises the following steps: mixing the nano particles with the surface modifier uniformly, mixing with resin, stirring, melting and mixing to prepare blocks, and melting and granulating to obtain the functional master batch.
Preferably, the nanoparticle is an up-conversion aid, a down-conversion aid or a high refractive index particle.
Preferably, the up-conversion auxiliary agent comprises at least one of an inorganic light conversion agent, an organic fluorescent dye light conversion agent and an organic complex light conversion agent; the down-conversion auxiliary agent comprises at least one of an inorganic light conversion agent, an organic fluorescent dye light conversion agent and an organic complex light conversion agent; the high refractive index particles comprise at least one of cadmium sulfide, zinc sulfide, cadmium selenide, cadmium telluride and titanium dioxide zirconium dioxide.
Preferably, the mixing conditions are as follows: the time is 0.5-2h, and the temperature is 40-80 ℃; the stirring conditions are as follows: the time is 10-30min, the speed is 500-1000rpm; the conditions of the melt mixing are as follows: the time is 0.5-2h, the temperature is 100-200 ℃, and the rotating speed is 20-60rpm; the temperature of the melting granulation is 100-200 ℃.
Preferably, the surface modifier includes at least one of a silane coupling agent, a titanate coupling agent, and an aluminate coupling agent.
The invention also provides a preparation method of the light conversion adhesive film, which comprises the steps of uniformly mixing main resin, main crosslinking agent, auxiliary crosslinking agent, coupling agent, anti-aging auxiliary agent and functional master batch, and casting at 60-100 ℃.
The invention also provides an application of the light conversion adhesive film or the light conversion adhesive film prepared by the preparation method in preparation of solar cells.
The beneficial effects of the invention are as follows:
(1) The light conversion adhesive film has two functions of up-conversion (converting light with larger wavelength into light with smaller wavelength) and down-conversion (converting light with smaller wavelength into light with larger wavelength), so that the utilization efficiency of sunlight can be fully improved, and the power generation of a solar photovoltaic module can be further improved;
(2) According to the light conversion adhesive film, the transparent inorganic filler with high refractive index is added into the adhesive film layer, various conventional auxiliary agents of the adhesive film are adjusted, and the auxiliary agents with high refractive index are added to act together, so that the refractive index of the adhesive film is improved as much as possible, and the loss of light at an interface is reduced;
(3) The light conversion adhesive film of the invention carries out surface treatment on inorganic particles in advance, then uses an internal mixer with strong shearing action to uniformly mix the inorganic particles with resin, and finally carries out double-screw extrusion granulation to prepare the master batch with required functions, thus solving the problem that the transparency and light conversion efficiency of the product are affected after the agglomeration of inorganic nano particles due to the agglomeration tendency.
Drawings
Fig. 1 is a schematic structural diagram of a light conversion film in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a transfer photoresist film according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a light conversion film in embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of a light conversion film in embodiment 4 of the present invention.
Fig. 5 is a schematic structural diagram of a light conversion film in embodiment 5 of the present invention.
Fig. 6 is a schematic structural diagram of the light conversion film of comparative example 1 according to the present invention.
Fig. 7 is a schematic structural diagram of a transfer film according to comparative example 2 of the present invention.
Fig. 8 is a schematic structural diagram of the light conversion film in comparative example 3 of the present invention.
Fig. 9 is a schematic structural diagram of the light conversion film of comparative example 4.
Fig. 10 is a schematic structural diagram of the light conversion film in comparative example 5 of the present invention.
Detailed Description
The following examples are presented only to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims. The following description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, the preferred methods and materials are described herein.
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.
It should be noted that the number of the substrates,
the glazing conversion auxiliary agent is PAA modified up-conversion nano particles, and the PAA is polyacrylic acid;
the light-emitting auxiliary agent is Sr3Y (BO 3) 3:Ce3+ blue long-afterglow nano fluorescent powder;
LUPEROX TBEC is t-butyl peroxy 2-ethylhexyl carbonate;
JH-S1891 is 3-mercaptopropyl triethoxysilane;
FARIDA TAIC is triallyl isocyanurate.
Basic example 1 preparation of different functional masterbatch
1. And (3) polishing and converting master batches: (1) Firstly, uniformly stirring 100 parts of a glazing conversion auxiliary PAA modified up-conversion nano particle (Qiang Biotechnology Co., ltd.) and 3 parts of a surface modifier JH-S1891 (Hubei Jiang Han New Material Co., ltd.) in a three-neck flask for 1.5 hours, and controlling the temperature at 60 ℃ to obtain a pretreated glazing conversion auxiliary; (2) 95 parts of main resin POE ENGAGE PV8669 (Dow) and 5 parts of the pretreatment polishing auxiliary agent are stirred in a high mixer for 30min at the stirring speed of 500rpm, the uniformly mixed raw materials are placed in an internal mixer, and are melted and mixed for 2h at the temperature of 200 ℃ at the rotating speed of 20rpm, and the mixture is cut into small pieces after uniform mixing. And then melting and granulating by a double-screw extruder at 120 ℃ to prepare the polishing conversion master batch.
2. And (3) performing light conversion into master batches: (1) 100 parts of a lower light conversion auxiliary agent (SiAN Ji Yue biotechnology Co., ltd., product number Q-0083608) and 3 parts of a surface modifier JH-S1891 (Hubei Jiang Han new material Co., ltd.) are uniformly stirred in a three-neck flask for 1.5 hours, and the temperature is controlled at 40 ℃ to obtain a pretreated lower light conversion auxiliary agent; (2) 95 parts of main resin POE ENGAGE PV8669 (Dow) and 5 parts of the pretreatment light conversion auxiliary agent are stirred in a high mixer for 10min at the stirring speed of 1000rpm, the uniformly mixed raw materials are placed in an internal mixer, and are melt mixed for 0.5h at the temperature of 120 ℃ at the rotating speed of 30rpm, and the uniformly mixed raw materials are cut into small pieces. And then melting and granulating by a double-screw extruder at 200 ℃ to prepare the downlight conversion master batch.
3. High refractive index master batch: (1) Firstly, 100 parts of rutile type nano titanium dioxide ZT-T25 (Zhejiang Zhi titanium nano micro new material Co., ltd.) and 5 parts of surface modifier JH-S1891 (Hubei Jiang Han new material Co., ltd.) are uniformly stirred in a three-neck flask for 2 hours, and the temperature is controlled at 80 ℃ to obtain pretreated high refractive index filler; (2) 80 parts of main resin POE ENGAGE PV8669 (Dow) and 20 parts of the pretreated high refractive index filler are stirred in a high mixer for 20min at the stirring speed of 800rpm, the uniformly mixed raw materials are placed in an internal mixer, and are melt mixed for 1h at the temperature of 100 ℃ at the rotating speed of 60rpm, and the mixture is cut into small pieces after uniform mixing. And then melting and granulating by a double-screw extruder at the temperature of 100 ℃ to prepare the master batch with high refractive index.
Basic example 2 preparation of different functional layers
1. Glazing and transferring: after 97 parts of a main resin POE ENGAGE PV8669 (Dow), 3 parts of a glazing masterbatch prepared in basic example 1, 0.7 part of a main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of a auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of an auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of a coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of an anti-aging auxiliary 770 (Basoff) were uniformly mixed, the glazing layer was prepared by a casting machine at 80 ℃.
2. And (3) light conversion layer: after 97 parts of a main resin POE ENGAGE PV8669 (Dow), 3 parts of a gloss reducing master batch prepared in basic example 1, 0.7 part of a main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of a auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of an auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of a coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of an anti-aging auxiliary 770 (Basoff) were uniformly mixed, a gloss reducing layer was prepared by a casting machine at 80 ℃.
3. High refractive index layer: 80 parts of main resin POE ENGAGE PV8669 (Dow), 20 parts of high refractive index master batch prepared in basic example 1, 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of anti-aging auxiliary 770 (Basoff) are uniformly mixed, and then prepared into a high refractive index layer by a casting machine at 80 ℃.
4. Glazing conversion layer + high refractive index layer: the glossy-inversion layer + high refractive index layer was prepared by uniformly mixing 77 parts of main resin POE en gap PV8669 (dow), 3 parts of the glossy-inversion master batch prepared in basic example 1, 20 parts of the high refractive-index master batch prepared in basic example 1, 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC alcma), 0.3 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of auxiliary crosslinking agent 2 ethoxylated bisphenol-a-dimethacrylate, 0.4 part of coupling agent mercaptosilane JH-S69C (hubei Jiang Han), and 0.15 part of anti-aging auxiliary 770 (basf) by a casting machine at 80 ℃.
5. Lower light conversion layer + high refractive index layer: 77 parts of main resin POE ENGAGE PV8669 (Dow), 3 parts of the downlight conversion master batch prepared in basic example 1, 20 parts of the high refractive index master batch prepared in basic example 1, 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui Dar), 0.4 part of auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of anti-aging auxiliary 770 (Basv) are uniformly mixed, and then prepared into a downlight conversion layer and a high refractive index layer by a casting machine at 80 ℃.
6. Upper light conversion layer + lower light conversion layer: 94 parts of main resin POE ENGAGE PV8669 (Dow), 3 parts of the glazing masterbatch prepared in basic example 1, 3 parts of the downing masterbatch prepared in basic example 1, 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui Dar), 0.4 part of auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of anti-aging auxiliary 770 (Basv) are uniformly mixed, and the mixture is prepared into a glazing layer and a downing layer by a casting machine at 60 ℃.
7. Upper light conversion layer + lower light conversion layer + high refractive index layer: after 74 parts of a main resin POE ENGAGE PV8669 (Dow), 3 parts of a gloss-up master batch prepared in basic example 1, 3 parts of a gloss-down master batch prepared in basic example 1, 20 parts of a high refractive index master batch prepared in basic example 1, 0.7 part of a main crosslinking agent TBEC (LUPEROX TBEC Achroma), 0.3 part of a auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui Dad), 0.4 part of an auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of a coupling agent mercaptosilane JH-S69C (Hubei Jiang Han), and 0.15 part of an anti-aging auxiliary 770 (Basf) were uniformly mixed, a gloss-up layer + a gloss-down layer + a high refractive index layer was prepared by a tape casting machine at 100 ℃.
8. Common adhesive film layer (auxiliary agent adjustment): 100 parts of main resin POE ENGAGE PV8669 (Dow), 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.3 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of auxiliary crosslinking agent 2 ethoxylated bisphenol-A-dimethacrylate, 0.4 part of coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of anti-aging auxiliary 770 (Basff) are uniformly mixed, and then prepared into a common adhesive film layer (auxiliary adjustment) by a casting machine at the temperature of 60 ℃.
9. Common adhesive film layer (auxiliary agent is not adjusted): 100 parts of main resin POE ENGAGE PV8669 (Dow), 0.7 part of main crosslinking agent TBEC (LUPEROX TBEC Acomat), 0.7 part of auxiliary crosslinking agent 1 TAIC (FARIDA TAIC Fang Rui da), 0.4 part of coupling agent mercaptosilane JH-S69C (Hubei Jiang Han) and 0.15 part of anti-aging auxiliary 770 (Basoff) are uniformly mixed, and then prepared into a common adhesive film layer (the auxiliary is not regulated) by a tape casting machine at the temperature of 80 ℃.
Example 1A light-converting film
According to the preparation methods of the upper light conversion layer, the common adhesive film layer (the auxiliary agent is not adjusted), the lower light conversion layer and the high refractive index layer in the basic example 2, after the respective resins and the auxiliary agent in the layers are uniformly mixed, the respective resins and the auxiliary agent are respectively put into corresponding screws, and the light conversion adhesive film with a four-layer structure is prepared through coextrusion casting one-step processing molding, as shown in fig. 1.
Example 2A light-converting film
The light conversion film with a three-layer structure is prepared by uniformly mixing the respective resins and the auxiliary agents in the respective layers according to the method of the upper light conversion layer, the lower light conversion layer and the high refractive index layer in the basic example 2, respectively, putting the respective layers into corresponding screws, and performing coextrusion casting one-step processing molding, as shown in fig. 2.
Example 3A light-converting film
According to the method of the upper light conversion layer, the high refractive index layer, the lower light conversion layer and the high refractive index layer in the basic example 2, the respective resins and the auxiliary agents in the layers are uniformly mixed, and then are respectively put into corresponding screws, and the light conversion adhesive film with a double-layer structure is prepared through coextrusion casting one-step processing molding, as shown in fig. 3.
Example 4A light-converting film
According to the method of the upper light conversion layer, the lower light conversion layer and the high refractive index layer in basic example 2, after uniformly mixing the resin and the auxiliary agent, putting the mixture into a corresponding screw, and performing coextrusion casting one-step processing molding to prepare the light conversion adhesive film with a single-layer structure, as shown in fig. 4.
Example 5A light-converting film
According to the method of the upper light conversion layer and the lower light conversion layer in basic example 2, after uniformly mixing the resin and the auxiliary agent, putting the mixture into a corresponding screw, and performing coextrusion casting one-step processing molding to prepare the light conversion adhesive film with a single-layer structure, as shown in fig. 5.
Comparative example 1A light-converting film
According to the method of the common adhesive film layer (the auxiliary agent is not adjusted) in the basic example 2, after the resin and the auxiliary agent are uniformly mixed, the resin and the auxiliary agent are put into corresponding screw rods, and the adhesive film is formed by coextrusion casting one-step processing, so that the light conversion adhesive film with a single-layer structure is prepared, and the light conversion adhesive film is shown in fig. 6.
Comparative example 2A light-converting film
According to the method of the common adhesive film layer (auxiliary agent adjustment) in basic example 2, after the resin and the auxiliary agent are uniformly mixed, the resin and the auxiliary agent are put into corresponding screw rods, and the adhesive film is formed by coextrusion casting once, so that the light conversion adhesive film with a single-layer structure is prepared, as shown in fig. 7.
Comparative example 3A light-converting film
According to the method for polishing and transferring the layer in basic example 2, after the resin and the auxiliary agent are uniformly mixed, the resin and the auxiliary agent are put into corresponding screw rods, and the film is formed by coextrusion casting once, so that the light-transferring adhesive film with a single-layer structure is prepared, and the film is shown in fig. 8.
Comparative example 4A light-converting film
According to the method for polishing the light conversion layer in basic example 2, after uniformly mixing the resin and the auxiliary agent, putting the mixture into a corresponding screw, and performing coextrusion casting one-step processing molding to prepare the light conversion adhesive film with a single-layer structure, as shown in fig. 9.
The light conversion film is a single-layer structure of the lower light conversion layer prepared in the example 2.
Comparative example 5A light-converting film
According to the method of the high refractive index layer in basic example 2, after the resin and the auxiliary agent are uniformly mixed, the resin and the auxiliary agent are put into corresponding screw rods, and the light-converting adhesive film with a single-layer structure is prepared through coextrusion casting one-step processing molding, as shown in fig. 10.
The total thickness of the light-converting adhesive films of examples 1 to 5 and comparative examples 1 to 5 was 600. Mu.m, wherein: four layers of structural adhesive films, wherein the thickness of each layer is 150 mu m; three-layer adhesive films, wherein the thickness of each layer is 200 mu m; two layers of adhesive films with the thickness of 300 mu m are formed.
Effect example
The light-converting adhesive films prepared in examples 1 to 5 and comparative examples 1 to 5 were respectively subjected to crosslinking degree, peeling force with glass, transmittance, refractive index and assembly power test, and each performance test was carried out by the following test method:
degree of crosslinking: GB/T29848-2018; peel force: GB/T2790-1995; transmittance: GB/T2410-2008; refractive index: GB/T39691-2020; component power: IEC61215; DH1000h post-aging component power: IEC61215. Wherein the assembly is a conventional dual glass PERC assembly.
The test results are shown in table 1 below:
table 1 results of performance tests of examples and comparative examples
According to the table, the crosslinking degree, the glass stripping force, the transmittance, the refractive index and the component power performance of the light conversion adhesive film all accord with the industrial production standard, and compared with the comparative example, the light conversion adhesive film improves the component power by more than 0.2 percent and has higher application value in the large-scale photovoltaic industry.
The invention has been further described with reference to specific embodiments, which are exemplary only and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
Claims (10)
1. The light conversion adhesive film is characterized by comprising the following components in parts by weight: 74-100 parts of main resin, 0.4-1 part of main cross-linking agent, 0.4-1.2 parts of auxiliary cross-linking agent, 0.1-0.6 part of coupling agent, 0.05-0.2 part of anti-aging auxiliary agent and 3-26 parts of functional master batch; the functional master batch comprises at least one of a polishing master batch, a polishing master batch and a high refractive index master batch.
2. The light-converting adhesive film according to claim 1, wherein the main resin comprises at least one of an ethylene- α -olefin copolymer, an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-methyl methacrylate copolymer, an ethyl-methacrylate copolymer, an ethylene-butyl acrylate copolymer, polyvinyl butyral, an ionomer, and a silicone; the main crosslinking agent comprises at least one of tert-butyl peroxy 2-ethylhexyl carbonate, tert-amyl peroxy (2-ethylhexyl) carbonate, dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, 2, 5-dimethyl-2, 5-di (benzoyl) peroxy hexane, 1-bis (tert-butylperoxy) -3, 5-trimethylcyclohexane and polyether poly-tert-butyl peroxycarbonate.
3. The light-converting adhesive film according to claim 1, wherein the co-crosslinking agent comprises at least one of triallyl isocyanurate, ethoxylated bisphenol-a-dimethacrylate, trimethylallyl isocyanate, trimethylol propane triacrylate, trimethylol propane trimethacrylate, pentaerythritol triacrylate, ethoxylated trimethylol propane triacrylate, and propoxylated trimethylol propane triacrylate.
4. The light-converting adhesive film according to claim 1, wherein the coupling agent comprises at least one of a vinyl silane coupling agent, an amino silane coupling agent, an isocyanato silane coupling agent, a sulfur-containing silane coupling agent, an epoxy silane coupling agent, and a titanate coupling agent; the anti-aging auxiliary agent comprises at least one of a phenolic antioxidant, a phosphite antioxidant, a hindered amine light stabilizer, an ultraviolet absorber, a hydrolysis-resistant auxiliary agent and a metal ion capturing agent.
5. The light-converting adhesive film according to claim 1, wherein the preparation method of the functional master batch comprises the steps of: mixing the nano particles with the surface modifier uniformly, mixing with resin, stirring, melting and mixing to prepare blocks, and melting and granulating to obtain the functional master batch.
6. The light-converting adhesive film according to claim 5, wherein the nanoparticle is an up-conversion aid, a down-conversion aid or a high refractive index particle.
7. The light-converting adhesive film according to claim 6, wherein the up-conversion auxiliary agent comprises at least one of an inorganic light-converting agent, an organic fluorescent dye light-converting agent and an organic complex light-converting agent; the down-conversion auxiliary agent comprises at least one of an inorganic light conversion agent, an organic fluorescent dye light conversion agent and an organic complex light conversion agent; the high refractive index particles comprise at least one of cadmium sulfide, zinc sulfide, cadmium selenide, cadmium telluride and titanium dioxide zirconium dioxide.
8. The light-converting adhesive film according to claim 5, wherein the mixing conditions are: the time is 0.5-2h, and the temperature is 40-80 ℃; the stirring conditions are as follows: the time is 10-30min, the speed is 500-1000rpm; the conditions of the melt mixing are as follows: the time is 0.5-2h, the temperature is 100-200 ℃, and the rotating speed is 20-60rpm; the temperature of the melting granulation is 100-200 ℃.
9. A method for preparing the light-converting adhesive film according to any one of claims 1 to 8, which is characterized in that the light-converting adhesive film is prepared by uniformly mixing a main resin, a main crosslinking agent, an auxiliary crosslinking agent, a coupling agent, an anti-aging auxiliary agent and functional master batch and then casting at a temperature of 60 to 100 ℃.
10. Use of the light-converting film according to any one of claims 1 to 8 or the light-converting film according to claim 9 for the production of solar cells.
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