CN104393079B - Anti-aging solar cell backboard and preparation method thereof - Google Patents
Anti-aging solar cell backboard and preparation method thereof Download PDFInfo
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- CN104393079B CN104393079B CN201410634684.0A CN201410634684A CN104393079B CN 104393079 B CN104393079 B CN 104393079B CN 201410634684 A CN201410634684 A CN 201410634684A CN 104393079 B CN104393079 B CN 104393079B
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- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims abstract description 76
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 39
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 20
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052693 Europium Inorganic materials 0.000 claims abstract description 19
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims abstract description 19
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims abstract description 19
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims abstract description 19
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229940011051 isopropyl acetate Drugs 0.000 claims abstract description 19
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229950000845 politef Drugs 0.000 claims abstract description 19
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 238000005453 pelletization Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 48
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 150000008064 anhydrides Chemical class 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 4
- NQSLZEHVGKWKAY-UHFFFAOYSA-N 6-methylheptyl 2-methylprop-2-enoate Chemical group CC(C)CCCCCOC(=O)C(C)=C NQSLZEHVGKWKAY-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000032798 delamination Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 description 14
- 239000011737 fluorine Substances 0.000 description 14
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 13
- 230000006872 improvement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of anti-aging solar cell backboard and preparation method thereof, this anti-aging solar cell backboard includes the substrate layer of centre, described substrate layer upper, lower two sides is equipped with Weather-proof film, connected by tack coat between described Weather-proof film and substrate layer, Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 10～30 parts, titanium dioxide 60～80 parts, methacrylate 50～70 parts, between methyl styrene 30～60 parts, vinyl methyl ether 10～50 parts, isopropyl acetate 20～70 parts, phthalic anhydride 30～70 parts, politef 30～70 parts.Preparation method: by each component mix homogeneously, dry, heating, extruding pelletization, make Weather-proof film；Substrate layer and Weather-proof film, by tack coat compound, make solar cell backboard；Cold treatment 20～30min；Heat treatment 1～2h.Percent thermal shrinkage of the present invention is little, dimensionally stable, and stable performance during external environment change, under wet heat condition, not easily delamination turns yellow.
Description
Technical field
The present invention relates to solar cell backboard field, particularly relate to a kind of anti-aging solar cell backboard and preparation method thereof.
Background technology
Solar energy backboard is positioned at the back side of solar panel, cell piece rises protection and supporting role, has reliable insulating properties, water preventing ability, resistance to ag(e)ing.Generally having three-decker, outer protective layer has good environment resistant erosiveness.Solar cell notacoria is broadly divided into fluorine-containing notacoria and the not fluorine-containing big class of notacoria two.The fluorine material on fluorine-containing notacoria surface is big due to fluorine element electronegativity, van der Waals radius is little, carbon-fluorine bond bond energy extremely strong (up to 485KJ/mol), and spiral type rodlike molecule in the fluoride chain overall structure of its uniqueness is tight, firm, surface smooths so that the properties such as the weatherability of fluororesin, thermostability, resistant of high or low temperature and chemical proofing are all very superior.The excellent specific property of fluororesin makes fluorine material (fluorine film or fluorocarbon coating) have the weathering performance of excellence, can ensure the reliability that long-term outdoor uses.As to the notacoria taken blocking effect inside external environment condition and solar cell, its with the air surface of external contact and the adhesive surface (plane of illumination) being combined with EVA suffer from main aging action.But, owing to current notacoria Development and Production enterprise considers that double-side fluorine material produces the cost pressure caused to whole notacoria, manufacturer have employed EVA material (or other olefin polymers) and substitutes the fluorine material of EVA adhesive surface (plane of illumination) in the TPT structure notacoria of double-side fluorine, thus occurring in that the notacoria of the fluorine-containing TPE structure of one side.The notacoria of this type of TPE structure is after boning by EVA adhesive film with component package; owing to its plane of illumination is without fluorine material; the PET main body base material of notacoria is effectively protected; after assembly is installed, notacoria cannot stand long-term ultraviolet ageing test; inner assembly in several years arises that the bad phenomenon such as notacoria xanthochromia, embrittlement are aging; having a strong impact on the long-term electricity generation efficiency of assembly, therefore the notacoria of the TPE structure that one side is fluorine-containing is that the encapsulation not being suitable for crystal silicon solar battery assembly uses.
Application number is 2011104424470, name is called that the Chinese patent application of " solar cell backboard and preparation method thereof " discloses a kind of solar cell backboard and preparation method thereof, this solar cell backboard raw material composition is polyvinylidene fluoride 8-12 part by weight ratio, modified PE 8-12 part, modified EVA 40-60 part, titanium dioxide 0.5-2 part, the standby step of its preparation includes: raw material mixing, classifying drying and microbedding co-extrusion.Raw material needed for this invention solar cell backboard is without import, and adopts curtain coating combination process to carry out the making of solar cell backboard, and processing technology is simple, and not only the performance of product is good, and low cost of manufacture.The technical specifications such as the adhesion strength of this invention solar cell backboard and EVA and the peel strength of silica gel, moisture-vapor transmission, breakdown voltage are better than the solar cell backboard that tradition coating combination process produces.But this invention is heated yielding, unstable properties.
Application number is 2014100071100, name is called that the Chinese patent application of " wet-heat resisting solar cell backboard and manufacture method thereof " discloses wet-heat resisting solar cell backboard, including the weathering layer of compound successively, articulamentum, structure enhancement layer and reflecting layer, weathering layer is PET film, or is made up of the polyethylene terephthalate that inorganic material and heat stabilizer are modified；Structure enhancement layer is made up of polypropylene, modified polypropene or alloy, and described alloy is the alloy of polypropylene and engineering plastics, or is the alloy of modified polypropene and engineering plastics.The solar cell backboard of this invention, replaces traditional fluorine membrane material as weathering layer using weather-proof PET film, can not only ensure weather resistance, and cost is substantially reduced.Simultaneously replace traditional PET material as structure enhancement layer using polypropylene, avoid tradition PET construction enhancement layer wet-heat resisting hydrolysis property poor, the problem of meeting embrittlement cracking in long-term hygrothermal environment uses, it is thus possible to coordinate PET weathering layer to improve the wet and heat ageing resistant performance of backboard further.But this invention weathering layer performance increases, but the overall wet and heat ageing resistant performance of solar energy backboard is not strong, and articulamentum, reflecting layer easily turn yellow aging.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of anti-aging solar cell backboard and preparation method thereof, anti-aging solar cell backboard percent thermal shrinkage is little, dimensionally stable.
The present invention is by the following technical solutions:
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 10～30 parts, titanium dioxide 60～80 parts, methacrylate 50～70 part, methyl styrene 30～60 parts, vinyl methyl ether 10～50 parts, isopropyl acetate 20～70 parts, phthalic anhydride 30～70 parts, politef 30～70 parts.
As to further improvement of the present invention, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 15～25 parts, titanium dioxide 70～78 parts, methacrylate 55～65 part, methyl styrene 40～50 parts, vinyl methyl ether 20～40 parts, isopropyl acetate 30～60 parts, phthalic anhydride 40～60 parts, politef 40～60 parts.
As to further improvement of the present invention, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 20 parts, titanium dioxide 70 parts, methacrylate 60 part, methyl styrene 40 parts, vinyl methyl ether 30 parts, isopropyl acetate 50 parts, phthalic anhydride 50 parts, politef 50 parts.
As to further improvement of the present invention, methacrylate is 2-Propenoic acid, 2-methyl-, isooctyl ester, methyl methacrylate or ethyl methacrylate.
As to further improvement of the present invention, substrate layer thickness is 40～60 microns.
As to further improvement of the present invention, Weather-proof film thickness is 50～80 microns.
As to further improvement of the present invention, adhesive layer thickness is 10～12 microns.
The preparation method that present invention also offers a kind of anti-aging solar cell backboard.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 800～900 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 20～30min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 1～2h when solar cell backboard is placed on 90～100 DEG C, room temperature cools down,.
As to further improvement of the present invention, step (1) heats extruding pelletization after 850 DEG C.
As to further improvement of the present invention, the temperature of step (3) is-80～-50 DEG C.
As to further improvement of the present invention, step (4) reaction temperature is 95 DEG C, and the time is 1.5h.
Principle: first cold after-baking, it is possible to improve the toleration of Weather-proof film, make thermal contraction remain unchanged, dimensionally stable.
Beneficial effect
The cold treatment of the present invention significantly improves the weatherability of solar cell backboard, and cold-heat treatment can make the intermolecular stability of weathering layer strengthen, and is susceptible to the cold and hot change impact of external environment, makes percent thermal shrinkage reduce, dimensionally stable.The percent thermal shrinkage of the present invention is 0.6～0.8%, and stable performance during external environment change, under wet heat condition, not easily delamination turns yellow.
Detailed description of the invention
Below by specific embodiment, the present invention is further described in detail, but is not limited to this.
Embodiment 1
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 20 parts, titanium dioxide 70 parts, methacrylate 60 part, methyl styrene 40 parts, vinyl methyl ether 30 parts, isopropyl acetate 50 parts, phthalic anhydride 50 parts, politef 50 parts.
Methacrylate is 2-Propenoic acid, 2-methyl-, isooctyl ester.
Substrate layer thickness is 40 microns.
Weather-proof film thickness is 50 microns.
Adhesive layer thickness is 10 microns.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 850 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 25min is kept when solar cell backboard is placed on-60 DEG C；
(4) keeping 1.5h when solar cell backboard is placed on 95 DEG C, room temperature cools down,.
Embodiment 2
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 10 parts, titanium dioxide 60 parts, methacrylate 50 part, methyl styrene 30 parts, vinyl methyl ether 10 parts, isopropyl acetate 20 parts, phthalic anhydride 30 parts, politef 30 parts.
Methacrylate is methyl methacrylate.
Substrate layer thickness is 50 microns.
Weather-proof film thickness is 60 microns.
Adhesive layer thickness is 11 microns.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 800 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 20min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 1h when solar cell backboard is placed on 90 DEG C, room temperature cools down,.
Embodiment 3
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 30 parts, titanium dioxide 80 parts, methacrylate 70 part, methyl styrene 60 parts, vinyl methyl ether 50 parts, isopropyl acetate 70 parts, phthalic anhydride 70 parts, politef 70 parts.
Methacrylate is ethyl methacrylate.
Substrate layer thickness is 60 microns.
Weather-proof film thickness is 80 microns.
Adhesive layer thickness is 12 microns.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 900 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 30min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 2h when solar cell backboard is placed on 100 DEG C, room temperature cools down,.
Embodiment 4
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 15 parts, titanium dioxide 78 parts, methacrylate 65 part, methyl styrene 50 parts, vinyl methyl ether 40 parts, isopropyl acetate 60 parts, phthalic anhydride 60 parts, politef 60 parts.
Methacrylate is methyl methacrylate.
Substrate layer thickness is 45 microns.
Weather-proof film thickness is 55 microns.
Adhesive layer thickness is 11 microns.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 820 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 22min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 1.2h when solar cell backboard is placed on 92 DEG C, room temperature cools down,.
Embodiment 5
Anti-aging solar cell backboard, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 25 parts, titanium dioxide 78 parts, methacrylate 65 part, methyl styrene 50 parts, vinyl methyl ether 40 parts, isopropyl acetate 60 parts, phthalic anhydride 60 parts, politef 60 parts.
Methacrylate is ethyl methacrylate.
Substrate layer thickness is 55 microns.
Weather-proof film thickness is 70 microns.
Adhesive layer thickness is 12 microns.
The preparation method of above-mentioned anti-aging solar cell backboard, comprises the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 880 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 28min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 1.5h when solar cell backboard is placed on 98 DEG C, room temperature cools down,.
Comparative example 1
Identical with embodiment 1, difference is in that: omits step (3), does not carry out cold treatment.
Performance test
The product of embodiment and comparative example is carried out performance test, and result is in Table 1.
Percent thermal shrinkage: unit: %.Examination criteria: ASTMD-1204(150 DEG C, 30min).
Wet and heat ageing resistant: experimental condition is temperature 85 DEG C, RH85%, time 2000h.Observe delamination, flavescence situation.
Table 1
Conclusion: the percent thermal shrinkage of comparative example 1 is 1.8%, under wet heat condition, easy delamination turns yellow.Embodiment percent thermal shrinkage is 0.6～0.8%, stable performance during thermal contraction, and under wet heat condition, not easily delamination turns yellow.The cold treatment of the present invention significantly improves the weatherability of solar cell backboard, and cold-heat treatment can make the intermolecular stability of weathering layer strengthen, and is susceptible to the cold and hot change impact of external environment, makes percent thermal shrinkage reduce, dimensionally stable.
Claims (10)
1. anti-aging solar cell backboard, it is characterized in that, including middle substrate layer, the upper and lower faces of described substrate layer is equipped with Weather-proof film, being connected by tack coat between described Weather-proof film and substrate layer, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 10～30 parts, titanium dioxide 60～80 parts, methacrylate 50～70 part, methyl styrene 30～60 parts, vinyl methyl ether 10～50 parts, isopropyl acetate 20～70 parts, phthalic anhydride 30～70 parts, politef 30～70 parts.
2. anti-aging solar cell backboard according to claim 1, it is characterized in that, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 15～25 parts, titanium dioxide 70～78 parts, methacrylate 55～65 part, methyl styrene 40～50 parts, vinyl methyl ether 20～40 parts, isopropyl acetate 30～60 parts, phthalic anhydride 40～60 parts, politef 40～60 parts.
3. anti-aging solar cell backboard according to claim 1, it is characterized in that, described Weather-proof film includes the component of following parts by weight: acetylacetone,2,4-pentanedione europium 20 parts, titanium dioxide 70 parts, methacrylate 60 part, methyl styrene 40 parts, vinyl methyl ether 30 parts, isopropyl acetate 50 parts, phthalic anhydride 50 parts, politef 50 parts.
4. anti-aging solar cell backboard according to claim 1, it is characterised in that methacrylate is 2-Propenoic acid, 2-methyl-, isooctyl ester, methyl methacrylate or ethyl methacrylate.
5. anti-aging solar cell backboard according to claim 1, it is characterised in that substrate layer thickness is 40～60 microns.
6. anti-aging solar cell backboard according to claim 1, it is characterised in that Weather-proof film thickness is 50～80 microns.
7. anti-aging solar cell backboard according to claim 1, it is characterised in that adhesive layer thickness is 10～12 microns.
8. the method preparing anti-aging solar cell backboard according to claim 1, it is characterised in that comprise the following steps:
(1) by acetylacetone,2,4-pentanedione europium, titanium dioxide, methacrylate, a methyl styrene, polyvinyl methyl ethermaleic anhydride, isopropyl acetate, phthalic anhydride, politef mix homogeneously, dry, heat to 800～900 DEG C, extruding pelletization, utilize casting machine to make Weather-proof film；
(2) substrate layer and Weather-proof film are by tack coat compound, make solar cell backboard；
(3) 20～30min is kept when solar cell backboard is placed below-30 DEG C；
(4) keeping 1～2h when solar cell backboard is placed on 90～100 DEG C, room temperature cools down,.
9. the method for preparation anti-aging solar cell backboard according to claim 8, it is characterised in that the temperature of step (3) is-80～-50 DEG C.
10. the method for preparation anti-aging solar cell backboard according to claim 8, it is characterised in that step (4) reaction temperature is 95 DEG C, and the time is 1.5h.
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| CN102632668A (en) * | 2012-04-23 | 2012-08-15 | 山东东岳高分子材料有限公司 | Solar battery encapsulating film and preparation method thereof |
| CN104057676A (en) * | 2013-03-19 | 2014-09-24 | 苏州克莱明新材料有限公司 | Solar backplane with heat dissipation function and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102632668A (en) * | 2012-04-23 | 2012-08-15 | 山东东岳高分子材料有限公司 | Solar battery encapsulating film and preparation method thereof |
| CN104057676A (en) * | 2013-03-19 | 2014-09-24 | 苏州克莱明新材料有限公司 | Solar backplane with heat dissipation function and production process thereof |
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Effective date of registration: 20190523 Address after: 226300 Xiting Town Industrial Park, Tongzhou District, Nantong City, Jiangsu Province Patentee after: SUNSHORE SOLAR ENERGY Co.,Ltd. Address before: 214142 Room 312, Area A, 530 Building, Qingyuan Road, Science Park, Taikeyuan University, New District, Wuxi City, Jiangsu Province Patentee before: WUXI SUNOCEAN Co.,Ltd. |
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Denomination of invention: Anti aging solar cell backplane and its preparation method Effective date of registration: 20220628 Granted publication date: 20160713 Pledgee: Nantong Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: SUNSHORE SOLAR ENERGY Co.,Ltd. Registration number: Y2022980009429 |