WO2023096395A1 - 봉지재 필름용 조성물 및 이를 포함하는 봉지재 필름 - Google Patents
봉지재 필름용 조성물 및 이를 포함하는 봉지재 필름 Download PDFInfo
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- WO2023096395A1 WO2023096395A1 PCT/KR2022/018793 KR2022018793W WO2023096395A1 WO 2023096395 A1 WO2023096395 A1 WO 2023096395A1 KR 2022018793 W KR2022018793 W KR 2022018793W WO 2023096395 A1 WO2023096395 A1 WO 2023096395A1
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- WIPO (PCT)
- Prior art keywords
- polyethylene glycol
- encapsulant film
- alpha
- ethylene
- composition
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 54
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- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- UIPVMGDJUWUZEI-UHFFFAOYSA-N copper;selanylideneindium Chemical compound [Cu].[In]=[Se] UIPVMGDJUWUZEI-UHFFFAOYSA-N 0.000 description 1
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 239000012933 diacyl peroxide Substances 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- PWOZXQOZUNMWKG-UHFFFAOYSA-N ethenyl(tripentoxy)silane Chemical compound CCCCCO[Si](OCCCCC)(OCCCCC)C=C PWOZXQOZUNMWKG-UHFFFAOYSA-N 0.000 description 1
- FEHYCIQPPPQNMI-UHFFFAOYSA-N ethenyl(triphenoxy)silane Chemical compound C=1C=CC=CC=1O[Si](OC=1C=CC=CC=1)(C=C)OC1=CC=CC=C1 FEHYCIQPPPQNMI-UHFFFAOYSA-N 0.000 description 1
- NNBRCHPBPDRPIT-UHFFFAOYSA-N ethenyl(tripropoxy)silane Chemical compound CCCO[Si](OCCC)(OCCC)C=C NNBRCHPBPDRPIT-UHFFFAOYSA-N 0.000 description 1
- MABAWBWRUSBLKQ-UHFFFAOYSA-N ethenyl-tri(propan-2-yloxy)silane Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)C=C MABAWBWRUSBLKQ-UHFFFAOYSA-N 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- INJVFBCDVXYHGQ-UHFFFAOYSA-N n'-(3-triethoxysilylpropyl)ethane-1,2-diamine Chemical compound CCO[Si](OCC)(OCC)CCCNCCN INJVFBCDVXYHGQ-UHFFFAOYSA-N 0.000 description 1
- CIAYYZGZMJDALI-UHFFFAOYSA-N n'-(triethoxysilylmethyl)ethane-1,2-diamine Chemical compound CCO[Si](OCC)(OCC)CNCCN CIAYYZGZMJDALI-UHFFFAOYSA-N 0.000 description 1
- NHBRUUFBSBSTHM-UHFFFAOYSA-N n'-[2-(3-trimethoxysilylpropylamino)ethyl]ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCNCCN NHBRUUFBSBSTHM-UHFFFAOYSA-N 0.000 description 1
- YLBPOJLDZXHVRR-UHFFFAOYSA-N n'-[3-[diethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CCO[Si](C)(OCC)CCCNCCN YLBPOJLDZXHVRR-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- PJIIFHZKHAFVIF-UHFFFAOYSA-N n'-[[diethoxy(methyl)silyl]methyl]ethane-1,2-diamine Chemical compound CCO[Si](C)(OCC)CNCCN PJIIFHZKHAFVIF-UHFFFAOYSA-N 0.000 description 1
- LIBWSLLLJZULCP-UHFFFAOYSA-N n-(3-triethoxysilylpropyl)aniline Chemical compound CCO[Si](OCC)(OCC)CCCNC1=CC=CC=C1 LIBWSLLLJZULCP-UHFFFAOYSA-N 0.000 description 1
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-UHFFFAOYSA-N 0.000 description 1
- XCOASYLMDUQBHW-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)butan-1-amine Chemical compound CCCCNCCC[Si](OC)(OC)OC XCOASYLMDUQBHW-UHFFFAOYSA-N 0.000 description 1
- KOVKEDGZABFDPF-UHFFFAOYSA-N n-(triethoxysilylmethyl)aniline Chemical compound CCO[Si](OCC)(OCC)CNC1=CC=CC=C1 KOVKEDGZABFDPF-UHFFFAOYSA-N 0.000 description 1
- VNBLTKHUCJLFSB-UHFFFAOYSA-N n-(trimethoxysilylmethyl)aniline Chemical compound CO[Si](OC)(OC)CNC1=CC=CC=C1 VNBLTKHUCJLFSB-UHFFFAOYSA-N 0.000 description 1
- NQKOSCFDFJKWOX-UHFFFAOYSA-N n-[3-[diethoxy(methyl)silyl]propyl]aniline Chemical compound CCO[Si](C)(OCC)CCCNC1=CC=CC=C1 NQKOSCFDFJKWOX-UHFFFAOYSA-N 0.000 description 1
- DRRZZMBHJXLZRS-UHFFFAOYSA-N n-[3-[dimethoxy(methyl)silyl]propyl]cyclohexanamine Chemical compound CO[Si](C)(OC)CCCNC1CCCCC1 DRRZZMBHJXLZRS-UHFFFAOYSA-N 0.000 description 1
- FVMHCRMQWNASEI-UHFFFAOYSA-N n-[[diethoxy(methyl)silyl]methyl]aniline Chemical compound CCO[Si](C)(OCC)CNC1=CC=CC=C1 FVMHCRMQWNASEI-UHFFFAOYSA-N 0.000 description 1
- BNQFLOSSLHYGLQ-UHFFFAOYSA-N n-[[dimethoxy(methyl)silyl]methyl]aniline Chemical compound CO[Si](C)(OC)CNC1=CC=CC=C1 BNQFLOSSLHYGLQ-UHFFFAOYSA-N 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- SRSFOMHQIATOFV-UHFFFAOYSA-N octanoyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(=O)CCCCCCC SRSFOMHQIATOFV-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 239000008055 phosphate buffer solution Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003141 primary amines Chemical group 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- ROEHNQZQCCPZCH-UHFFFAOYSA-N tert-butyl 2-tert-butylperoxycarbonylbenzoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1C(=O)OC(C)(C)C ROEHNQZQCCPZCH-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- SGCFZHOZKKQIBU-UHFFFAOYSA-N tributoxy(ethenyl)silane Chemical compound CCCCO[Si](OCCCC)(OCCCC)C=C SGCFZHOZKKQIBU-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65904—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with another component of C08F4/64
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
-
- 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
Definitions
- the present invention relates to a composition for an encapsulant film containing an ethylene/alpha-olefin copolymer, an encapsulant film, and a solar cell module.
- solar cells are attracting attention as a means of generating energy without fear of environmental pollution and depletion.
- a solar cell When a solar cell is used outdoors, such as on the roof of a building, it is generally used in the form of a solar cell module.
- front glass/solar cell encapsulant/crystalline solar cell element/solar cell encapsulant/rear glass (or back protection sheet) are laminated in this order.
- the solar cell encapsulant an ethylene/vinyl acetate copolymer or an ethylene/alpha-olefin copolymer having excellent transparency, flexibility, adhesiveness, etc. is generally used.
- Solar cell modules are packaged by protecting solar cell elements such as silicon, gallium-arsenic, copper-indium-selenium, etc. with an upper transparent protective material and a lower substrate protective material, and fixing the solar cell element and protective material with a sealing material.
- a sealing material for a solar cell element in a solar cell module is produced by extruding an ethylene/alpha-olefin copolymer blended with an organic peroxide or a silane coupling agent into a sheet shape, and using the obtained sheet-shaped sealing material
- a solar cell module is manufactured by sealing the solar cell element.
- one method may be to increase water absorption by increasing the affinity between various raw materials included in the encapsulant film composition and the ethylene/alpha-olefin copolymer in order to improve productivity.
- a crosslinking agent, a crosslinking aid, etc. which are essentially used for manufacturing an encapsulant film, reduce the volume resistivity of the encapsulant film, which is eventually pointed out as one of the factors causing deterioration in physical properties.
- Patent Document 1 Japanese Patent Laid-Open No. 2015-211189
- An object of the present invention is to provide a composition for an encapsulant film having excellent volume resistivity and light transmittance, and an encapsulant film comprising the same.
- the present invention provides a composition for an encapsulant film, an encapsulant film, and a solar cell module.
- the present invention includes an ethylene/alpha-olefin copolymer and polyethylene glycol, wherein the polyethylene glycol has a number average molecular weight of 1,000 to 50,000 g/mol, and the content of the polyethylene glycol is ethylene/alpha-olefin copolymer And 0.05 to 0.7% by weight based on the total weight of polyethylene glycol provides a composition for an encapsulant film.
- the present invention provides a composition for an encapsulant film according to (1) above, wherein the polyethylene glycol has a number average molecular weight of 2,000 to 30,000 g/mol.
- the present invention provides a composition for an encapsulant film according to (1) or (2), wherein the polyethylene glycol content is 0.1 to 0.6% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol do.
- the present invention according to any one of (1) to (3) above, selected from the group consisting of a crosslinking agent, a crosslinking aid, a silane coupling agent, an unsaturated silane compound, an amino silane compound, a light stabilizer, a UV absorber and a heat stabilizer It provides a composition for an encapsulant film further comprising one or more species to be.
- the alpha-olefin is propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-heptene , 1-octene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, 1-hexadecene, and a composition for an encapsulant film containing at least one selected from the group consisting of 1-eicosene to provide.
- the present invention provides a composition for an encapsulant film according to any one of (1) to (5) above, wherein the alpha-olefin contains more than 0 and 99 or less mol% based on the ethylene/alpha-olefin copolymer.
- the present invention provides an encapsulant film containing the composition for an encapsulant film of any one of the above (1) to (6).
- the present invention provides a solar cell module including the encapsulant film of (7) above.
- composition for an encapsulant film of the present invention exhibits excellent volume resistivity and light transmittance and can be widely used for various purposes in the electrical and electronic industry.
- the composition for an encapsulant film of the present invention includes an ethylene/alpha-olefin copolymer and polyethylene glycol, the number average molecular weight of the polyethylene glycol is 1,000 to 50,000 g/mol, and the content of the polyethylene glycol is ethylene/alpha- It is characterized in that 0.05 to 0.7% by weight based on the total weight of the olefin copolymer and polyethylene glycol.
- the composition for an encapsulant film of the present invention includes an ethylene/alpha-olefin copolymer.
- the ethylene/alpha-olefin copolymer is prepared by copolymerizing ethylene and an alpha-olefin monomer, wherein the alpha-olefin, which means the part derived from the alpha-olefin monomer in the copolymer, has 4 to 20 carbon atoms.
- alpha-olefins specifically propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-heptene, 1-octene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, 1-hexadecene, or 1-eicosene may be mentioned, and one of them may be used singly or in a mixture of two or more thereof.
- the alpha-olefin may be 1-butene, 1-hexene or 1-octene, preferably 1-butene, 1-hexene or a combination thereof.
- the content of alpha-olefin in the ethylene / alpha-olefin copolymer may be appropriately selected within a range that satisfies the above physical property requirements, specifically, more than 0 and less than 99 mol%, 10 to 50 mol% It may, but is not limited thereto.
- a method for preparing or obtaining an ethylene/alpha-olefin copolymer is not limited, and a person skilled in the art may select and use an appropriate one in consideration of the properties and purposes of the composition for an encapsulant film.
- composition for an encapsulant film of the present invention contains polyethylene glycol.
- the number average molecular weight of the polyethylene glycol is 1,000 to 50,000 g / mol, specifically 2,000 g / mol or more, 2,500 g / mol or more, 3,000 g / mol or more, 30,000 g / mol or less, 20,000 g / mol or less, 15,000 g /mol or less, such as 2,000 to 30,000 g/mol.
- polyethylene glycol When polyethylene glycol is included in the composition for the encapsulant film, polyethylene glycol having strong polarity and non-polar ethylene/alpha-olefin copolymer are blended to hinder the movement of charges, leading to a decrease in electrical conductivity and an increase in volume resistivity. .
- polyethylene glycol having strong polarity and non-polar ethylene/alpha-olefin copolymer are blended to hinder the movement of charges, leading to a decrease in electrical conductivity and an increase in volume resistivity.
- the electrical conductivity is higher, resulting in a rather reduced volume resistivity.
- the number average molecular weight of polyethylene glycol should be 1,000 to 50,000 g/mol.
- the number average molecular weight of the polyethylene glycol is less than 1,000 g / mol, it is unsuitable for use as an encapsulant film because the haze rises and causes inhibition of optical properties, and the number average molecular weight of the polyethylene glycol is greater than 50,000 g / mol In this case, there is a concern that the polarity of the composition is too high and rather the volume resistivity is reduced.
- the content of the polyethylene glycol may be 0.05 to 0.7% by weight, specifically 0.1 to 0.6% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- the polyethylene glycol is less than 0.05% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol, the effect of improving the volume resistivity cannot be properly implemented, and if it exceeds 0.7% by weight, the haze rises and the optical properties are inhibited Since it causes a problem that is not suitable for use as an encapsulant film.
- composition for an encapsulant film of the present invention may further include at least one selected from the group consisting of a crosslinking agent, a crosslinking aid, a silane coupling agent, an unsaturated silane compound, an amino silane compound, a light stabilizer, a UV absorber, and a heat stabilizer.
- the crosslinking agent is a radical initiator in the step of preparing the silane-modified resin composition, and may serve to initiate a reaction in which an unsaturated silane compound is grafted into the resin composition.
- a cross-linking between the silane-modified resin composition or between the silane-modified resin composition and the non-modified resin composition in the step of lamination in the manufacture of an opto-electronic device heat resistance and durability of a final product, such as an encapsulant sheet, can be improved. there is.
- crosslinking agent is a crosslinkable compound capable of initiating radical polymerization of a vinyl group or forming a crosslinking bond
- various crosslinking agents known in the art may be used, for example, organic peroxides, hydroperoxides and azo compounds One or two or more selected from the group consisting of may be used.
- the organic peroxide may be an organic peroxide having a 1-hour half-life temperature of 120 to 135°C, for example, 120 to 130°C, 120 to 125°C, preferably 121°C.
- the "1-hour half-life temperature” means a temperature at which the half-life of the crosslinking agent is 1 hour.
- the temperature at which the radical initiation reaction efficiently occurs is different, and therefore, when an organic peroxide having a 1-hour half-life temperature in the above range is used as a crosslinking agent, a lamination process temperature for manufacturing an optoelectronic device
- a radical initiation reaction, that is, a crosslinking reaction can proceed effectively.
- the crosslinking agent is included in an amount of 0.01 to 1 part by weight, for example, 0.05 to 0.55, 0.1 to 0.5, or 0.15 to 0.45 part by weight, based on 100 parts by weight of the composition for the encapsulant film, and the crosslinking agent is less than 0.01 part by weight.
- the effect of improving heat resistance properties is insignificant, and when included in an amount exceeding 1 part by weight, the formability of the encapsulant sheet is reduced, which may cause a problem in that process restrictions occur, and may affect the physical properties of the encapsulant.
- a crosslinking aid may be included.
- the degree of crosslinking between the resin compositions by the above-described crosslinking agent can be increased, and accordingly, heat resistance and durability of a final product, for example, an encapsulant sheet, can be further improved.
- crosslinking aid various crosslinking aids known in the art may be used.
- a compound containing at least one unsaturated group such as an allyl group or a (meth)acryloxy group may be used.
- allyl group-containing compound examples include polyallyl compounds such as triallyl isocyanurate (TAIC), triallyl cyanurate, diallyl phthalate, diallyl fumarate, or diallyl maleate.
- Compounds containing the (meth)acryloxy group include, for example, poly(meth)acryloxy compounds such as ethylene glycol diacrylate, ethylene glycol dimethacrylate, and trimethylolpropane trimethacrylate. However, it is not particularly limited thereto.
- the crosslinking aid is included in an amount of 0.01 to 0.5 parts by weight, for example, 0.01 to 0.3, 0.015 to 0.2 or 0.016 to 0.16 parts by weight, based on 100 parts by weight of the composition for the encapsulant film, and the crosslinking aid is 0.01 parts by weight
- the effect of improving heat resistance properties is insignificant, when included in excess of 0.5 parts by weight, a problem affecting the physical properties of a final product, for example, an encapsulant sheet may occur and production cost may increase.
- silane coupling agent examples include N-( ⁇ -aminoethyl)- ⁇ -aminopropyltrimethoxysilane, N-( ⁇ -aminoethyl)- ⁇ -aminopropylmethyldimethoxysilane, and ⁇ -amino At least one selected from the group consisting of propyltriethoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, and ⁇ -methacryloxypropyltrimethoxysilane (MEMO) may be used.
- the silane coupling agent may be included in an amount of 0.1 to 0.4 parts by weight based on 100 parts by weight of the composition for an encapsulant film. When used less than 0.3, adhesion to glass is poor during solar module manufacturing, making it easy to absorb water, so long-term performance of the module cannot be guaranteed.
- composition for the encapsulant film may further include an unsaturated silane compound or an amino silane compound.
- the unsaturated silane compound may be grafted onto the main chain including the polymerization unit of the copolymer of the present invention in the presence of a radical initiator, etc., and included in a silane-modified resin composition or an amino silane-modified resin composition in a polymerized form.
- the unsaturated silane compound is vinyltrimethoxy silane, vinyltriethoxy silane, vinyltripropoxy silane, vinyltriisopropoxy silane, vinyltributoxy silane, vinyltripentoxy silane, vinyltriphenoxy silane, or vinyl It may be triacetoxy silane or the like, and as an example, vinyltrimethoxy silane or vinyltriethoxy silane may be used, but is not limited thereto.
- the amino silane compound is an unsaturated silane compound grafted on the main chain of the copolymer in the step of grafting modification of the ethylene/alpha-olefin copolymer, for example, a hydroxyl group that converts a reactive functional group such as an alkoxy group of vinyltriethoxysilane into a hydroxyl group.
- a hydroxyl group that converts a reactive functional group such as an alkoxy group of vinyltriethoxysilane into a hydroxyl group.
- the amino silane compound may also participate as a reactant in the direct copolymerization reaction, thereby providing a moiety having an amine functional group to the amino silane-modified resin composition.
- the amino silane compound is a silane compound containing an amine group, and is not particularly limited as long as it is a primary amine or a secondary amine.
- amino silane compound aminotrialkoxysilane, aminodialkoxysilane, etc. may be used. Examples include 3-aminopropyltrimethoxysilane (APTMS) and 3-aminopropyltriethoxysilane.
- the content of the unsaturated silane compound and/or amino silane compound is not particularly limited.
- composition for the encapsulant film may further include one or more additives selected from a light stabilizer, a UV absorber, and a heat stabilizer, if necessary.
- the light stabilizer may serve to prevent photooxidation by capturing active species at the onset of photodegradation of the resin, depending on the application of the composition.
- the type of light stabilizer that can be used is not particularly limited, and known compounds such as hindered amine-based compounds or hindered piperidine-based compounds can be used.
- the UV absorber may absorb ultraviolet rays from sunlight and convert them into harmless thermal energy in molecules according to the use of the composition, thereby preventing the excitation of active species for initiating photodegradation in the resin composition.
- Specific types of UV absorbers that can be used are not particularly limited, and examples include inorganic UV absorbers such as benzophenone, benzotriazole, acrylonitrile, metal complex salts, hindered amines, ultrafine titanium oxide or ultrafine zinc oxide.
- inorganic UV absorbers such as benzophenone, benzotriazole, acrylonitrile, metal complex salts, hindered amines, ultrafine titanium oxide or ultrafine zinc oxide.
- One type or a mixture of two or more types of absorbents and the like can be used.
- thermal stabilizer examples include tris (2,4-di-tert-butylphenyl) phosphite, bis [2,4-bis (1,1-dimethylethyl) -6-methylphenyl] ethyl ester phosphorous acid, tetrakis (2,4-di-tert-butylphenyl)[1,1-biphenyl]-4,4'-diylbisphosphonate and bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, etc.
- phosphorus-based heat stabilizers such as reaction products of 8-hydroxy-5,7-di-tert-butyl-furan-2-one and o-xylene. One or two or more of these may be used. there is.
- the content of the light stabilizer, UV absorber and/or heat stabilizer is not particularly limited. That is, the content of the additive may be appropriately selected in consideration of the use of the resin composition, the shape or density of the additive, and is usually within the range of 0.01 to 5 parts by weight based on 100 parts by weight of the total solid content of the composition for an encapsulant film. can be properly adjusted.
- composition for an encapsulant film of the present invention may appropriately additionally include various additives known in the related art according to the application to which the resin component is applied in addition to the above components.
- composition for the encapsulant film can be molded by injection, extrusion, etc. and used as various molded products, and specifically, as an encapsulant for encapsulating elements in various optoelectronic devices, such as solar cells. It can be used, for example, it can also be used as an industrial material applied to an elevated temperature lamination process, but the use is not limited thereto.
- the present invention provides an encapsulant film comprising the composition for the encapsulant film.
- the encapsulant film of the present invention can be produced by molding the composition for encapsulant film into a film or sheet shape.
- a molding method is not particularly limited, and for example, it can be produced by sheeting or filming by a conventional process such as a T-die process or extrusion.
- the manufacture of the encapsulant film is performed in an in situ process using a device in which the manufacture of the modified resin composition using the composition for the encapsulant film and the film formation or sheet formation process are connected to each other. can do.
- the thickness of the encapsulant film may be adjusted to about 10 to 2,000 ⁇ m, or about 100 to 1,250 ⁇ m in consideration of the support efficiency and breakability of the device in the optoelectronic device, the light weight or workability of the device, and the like, depending on the specific use. can be changed.
- the present invention provides a solar cell module including the encapsulant film.
- the solar cell module has a configuration in which solar cells arranged in series or parallel are filled with the encapsulant film of the present invention, a glass surface is disposed on the surface where sunlight strikes, and the back surface is protected by a back sheet.
- a back sheet is not limited thereto, and various types and shapes of solar cell modules manufactured including encapsulant films in the art can be applied to the present invention.
- the glass surface may use tempered glass to protect the solar cell from external impact and prevent damage, and low iron tempered glass having a low iron content to prevent reflection of sunlight and increase sunlight transmittance. can be used, but is not limited thereto.
- the back sheet is a weather-resistant film that protects the rear surface of the solar cell module from the outside, and is, for example, a fluorine-based resin sheet, a metal plate or metal foil such as aluminum, a cyclic olefin-based resin sheet, a polycarbonate-based resin sheet, and a poly(meth)acrylic resin.
- a sheet, a polyamide-based resin sheet, a polyester-based resin sheet, a composite sheet obtained by laminating a weather resistant film and a barrier film, and the like, are not limited thereto.
- the solar cell module of the present invention may be manufactured without limitation according to a method known in the art, except for including the above-described encapsulant film.
- the solar cell module of the present invention is manufactured using an encapsulant film having an excellent volume resistivity, and electrons in the solar cell module move through the encapsulant film to prevent current from leaking to the outside, thereby deteriorating insulation. Therefore, it is possible to significantly suppress PID (Potential Induced Degradation) phenomenon in which leakage current occurs and the output of the module rapidly decreases.
- PID Pressure Induced Degradation
- the stirred Li-complex THF solution was cannulated in a Schlenk flask containing 2.46 g (1.2 eq, 11.982 mmol) of dichloro(O-tolylmethyl)silane and 30 mL of THF at -78°C, followed by stirring at room temperature overnight. After stirring, the mixture was vacuum dried and extracted with 100 mL of hexane.
- the ligand compound (4.26 g, 10.501 mmol) was added to 53 mL (0.2 M) of MTBE in a 250 mL round flask and stirred. After adding n-BuLi (8.6 mL, 21.52 mmol, 2.05eq, 2.5 M in hexane) at -40°C, the mixture was stirred at room temperature overnight.
- Polyethylene glycol (Sigma Aldrich Co.) having a number average molecular weight of 3,350 g/mol was added to the ethylene/alpha-olefin copolymer prepared as above, but the polyethylene glycol was 0.1 based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol. After adding to the weight percent, the extrusion blended sample was pelletized.
- an encapsulant film having a thickness of 500 ⁇ 100 ⁇ m was prepared under the condition of a T-die temperature of 90 ° C.
- the number average molecular weight of the polyethylene glycol was confirmed by measuring under the following gel permeation chromatography (GPC) analysis conditions.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 0.3% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 0.6% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 6,000 g / mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene / alpha-olefin copolymer and polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 8,000 g/mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 12,000 g/mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 20,000 g/mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol was not mixed.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 0.04% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 0.8% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 1.0% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 3.0% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that the polyethylene glycol was 5.0% by weight based on the total weight of the ethylene/alpha-olefin copolymer and polyethylene glycol.
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 400 g/mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and the polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that polyethylene glycol having a number average molecular weight of 100,000 g/mol was used, and the polyethylene glycol was 0.5% by weight based on the total weight of the ethylene/alpha-olefin copolymer and the polyethylene glycol. did
- An encapsulant film was prepared in the same manner as in Example 1, except that an ethylene/vinyl acetate copolymer was used instead of the ethylene/alpha-olefin copolymer and polyethylene glycol was not mixed.
- Example 1 Ethylene/alpha-olefin copolymer 3,350 0.1
- Example 2 Ethylene/alpha-olefin copolymer 3,350 0.3
- Example 3 Ethylene/alpha-olefin copolymer 3,350 0.5
- Example 4 Ethylene/alpha-olefin copolymer 3,350 0.6
- Example 5 Ethylene/alpha-olefin copolymer 6,000 0.5
- Example 6 Ethylene/alpha-olefin copolymer 8,000 0.5
- Example 7 Ethylene/alpha-olefin copolymer 12,000 0.5
- Example 8 Ethylene/alpha-olefin copolymer 20,000 0.5 Comparative Example 1 Ethylene/alpha-olefin copolymer - - Comparative Example 2 Ethylene/alpha-olefin copolymer 3,350 0.04 Comparative
- Example 1 Ethylene/alpha-ole
- the encapsulant film (15 cm ⁇ 15 cm) prepared in the above Examples and Comparative Examples between two release films (thickness: about 100 ⁇ m) and laminated in a vacuum laminator at a process temperature of 150 ° C. for 20 minutes to crosslink.
- light transmittance at 550 nm was measured using a Shimadzu UV-3600 spectrophotometer (measurement mode: transmittance, wavelength interval: 1 nm, measurement speed: medium).
- Example 1 volume resistivity light transmittance ( ⁇ cm) %
- Example 2 3.50 ⁇ 10 16 92.0
- Example 3 6.40 ⁇ 10 16 92.0
- Example 4 4.70 ⁇ 10 16 92.0
- Example 5 5.20 ⁇ 10 16 92.0
- Example 6 5.10 ⁇ 10 16 92.1
- Example 7 2.40 ⁇ 10 16 92.0
- Example 8 4.50 ⁇ 10 16 92.0 Comparative Example 1 9.50 ⁇ 10 15 92.1 Comparative Example 2 9.80 ⁇ 10 15 92.0 Comparative Example 3 4.70 ⁇ 10 16 91.9 Comparative Example 4 4.50 ⁇ 10 16 91.8 Comparative Example 5 5.70 ⁇ 10 16 91.3
- Comparative Example 6 5.10 ⁇ 10 16 91.0 Comparative Example 7 1.20 ⁇ 10 16 91.5 Comparative Example 8 5.40 ⁇ 10 15 92.0 Comparative Example 9 1.29 ⁇ 10 14 92.3 Comparative Example 10 1.11 ⁇ 10 14 92.1 Comparative Example 11 1.32 ⁇ 10 14 92.0
- the encapsulant films prepared in Examples 1 to 8 exhibited excellent volume resistivity and light transmittance.
- Comparative Examples 9 to 11 ethylene/vinyl, not ethylene/alpha-olefin copolymers Acetate copolymer was used, but the volume resistivity was significantly lower than that of the examples. In addition, it was confirmed that the ethylene/vinyl acetate copolymer did not show an effect of improving the volume resistivity even when polyethylene glycol was additionally used.
- Comparative Example 2 in which the polyethylene glycol content was too small showed a low volume resistivity.
- Comparative Example 7 using polyethylene glycol having a number average molecular weight of 400 g/mol, the light transmittance was low, and in Comparative Example 8 using polyethylene glycol having a number average molecular weight of 100,000 g/mol and greater than 50,000 g/mol, Rather, it was found that the volume resistivity was lowered.
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Abstract
Description
공중합체 | PEG | ||
수평균 분자량 | 공중합체 및 PEG 총 중량 기준 함량(중량%) | ||
실시예 1 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.1 |
실시예 2 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.3 |
실시예 3 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.5 |
실시예 4 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.6 |
실시예 5 | 에틸렌/알파-올레핀 공중합체 | 6,000 | 0.5 |
실시예 6 | 에틸렌/알파-올레핀 공중합체 | 8,000 | 0.5 |
실시예 7 | 에틸렌/알파-올레핀 공중합체 | 12,000 | 0.5 |
실시예 8 | 에틸렌/알파-올레핀 공중합체 | 20,000 | 0.5 |
비교예 1 | 에틸렌/알파-올레핀 공중합체 | - | - |
비교예 2 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.04 |
비교예 3 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 0.8 |
비교예 4 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 1.0 |
비교예 5 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 3.0 |
비교예 6 | 에틸렌/알파-올레핀 공중합체 | 3,350 | 5.0 |
비교예 7 | 에틸렌/알파-올레핀 공중합체 | 400 | 0.5 |
비교예 8 | 에틸렌/알파-올레핀 공중합체 | 100,000 | 0.5 |
비교예 9 | 에틸렌/비닐아세테이트 공중합체 | - | - |
비교예 10 | 에틸렌/비닐아세테이트 공중합체 | 3,350 | 0.5 |
비교예 11 | 에틸렌/비닐아세테이트 공중합체 | 3,350 | 1.0 |
체적저항률 | 광 투과율 | |
(Ω·㎝) | % | |
실시예 1 | 2.00 × 1016 | 92.0 |
실시예 2 | 3.50 × 1016 | 92.0 |
실시예 3 | 6.40 × 1016 | 92.0 |
실시예 4 | 4.70 × 1016 | 92.0 |
실시예 5 | 5.20 × 1016 | 92.0 |
실시예 6 | 5.10 × 1016 | 92.1 |
실시예 7 | 2.40 × 1016 | 92.0 |
실시예 8 | 4.50 × 1016 | 92.0 |
비교예 1 | 9.50 × 1015 | 92.1 |
비교예 2 | 9.80 × 1015 | 92.0 |
비교예 3 | 4.70 × 1016 | 91.9 |
비교예 4 | 4.50 × 1016 | 91.8 |
비교예 5 | 5.70 × 1016 | 91.3 |
비교예 6 | 5.10 × 1016 | 91.0 |
비교예 7 | 1.20 × 1016 | 91.5 |
비교예 8 | 5.40 × 1015 | 92.0 |
비교예 9 | 1.29 × 1014 | 92.3 |
비교예 10 | 1.11 × 1014 | 92.1 |
비교예 11 | 1.32 × 1014 | 92.0 |
헤이즈 | |
% | |
실시예 1 | 3.34 |
실시예 2 | 4.61 |
실시예 3 | 5.82 |
실시예 4 | 5.97 |
실시예 8 | 5.24 |
비교예 1 | 2.14 |
비교예 2 | 2.21 |
비교예 3 | 8.99 |
비교예 4 | 14.89 |
비교예 5 | 31.90 |
비교예 6 | 42.64 |
비교예 7 | 7.92 |
비교예 8 | 5.92 |
비교예 9 | 0.98 |
비교예 10 | 5.32 |
비교예 11 | 7.57 |
Claims (8)
- 에틸렌/알파-올레핀 공중합체 및 폴리에틸렌 글리콜을 포함하고,상기 폴리에틸렌 글리콜의 수평균 분자량은 1,000 내지 50,000 g/mol이고,상기 폴리에틸렌 글리콜의 함량은, 에틸렌/알파-올레핀 공중합체 및 폴리에틸렌 글리콜 총 중량 기준 0.05 내지 0.7 중량%인 봉지재 필름용 조성물.
- 청구항 1에 있어서,상기 폴리에틸렌 글리콜의 수평균 분자량은 2,000 내지 30,000 g/mol인 봉지재 필름용 조성물.
- 청구항 1에 있어서,상기 폴리에틸렌 글리콜의 함량은, 에틸렌/알파-올레핀 공중합체 및 폴리에틸렌 글리콜 총 중량 기준 0.1 내지 0.6 중량%인 봉지재 필름용 조성물.
- 청구항 1에 있어서,가교제, 가교 조제, 실란 커플링제, 불포화 실란 화합물, 아미노 실란 화합물, 광안정제, UV 흡수제 및 열안정제로 이루어진 군으로부터 선택되는 1종 이상을 더 포함하는 봉지재 필름용 조성물.
- 청구항 1에 있어서,상기 알파-올레핀은 프로필렌, 1-부텐, 1-펜텐, 4-메틸-1-펜텐, 1-헥센, 1-헵텐, 1-옥텐, 1-데센, 1-운데센, 1-도데센, 1-테트라데센, 1-헥사데센 및 1-에이코센으로 이루어진 군에서 선택된 1종 이상을 포함하는 봉지재 필름용 조성물.
- 청구항 1에 있어서,상기 알파-올레핀은 에틸렌/알파-올레핀 공중합체 기준 0 초과 99 이하 몰% 포함되는 봉지재 필름용 조성물.
- 청구항 1 내지 6 중 어느 한 항의 봉지재 필름용 조성물을 포함하는 봉지재 필름.
- 청구항 7의 봉지재 필름을 포함하는 태양전지 모듈.
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JP2013008761A (ja) * | 2011-06-23 | 2013-01-10 | Bridgestone Corp | 太陽電池封止膜及びこれを用いた太陽電池 |
KR101493183B1 (ko) * | 2010-11-02 | 2015-02-12 | 미쓰이 가가쿠 가부시키가이샤 | 태양 전지 봉지재 및 태양 전지 모듈 |
JP2015211189A (ja) | 2014-04-30 | 2015-11-24 | 日本ポリエチレン株式会社 | 太陽電池封止材用樹脂組成物、並びにそれを用いた太陽電池封止材及び太陽電池モジュール |
JP2017110221A (ja) * | 2015-12-14 | 2017-06-22 | 日本ポリエチレン株式会社 | ポリエチレン樹脂、ポリエチレン樹脂組成物、並びにそれを用いた太陽電池封止材及び太陽電池モジュール |
KR20210100029A (ko) * | 2020-02-05 | 2021-08-13 | 아지노모토 가부시키가이샤 | 수지 조성물 |
KR20210128326A (ko) * | 2020-04-16 | 2021-10-26 | 주식회사 엘지화학 | 에틸렌/알파-올레핀 공중합체를 포함하는 봉지재 필름용 조성물 및 이를 포함하는 봉지재 필름 |
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2022
- 2022-11-25 CN CN202280033288.5A patent/CN117279991A/zh active Pending
- 2022-11-25 WO PCT/KR2022/018793 patent/WO2023096395A1/ko active Application Filing
- 2022-11-25 KR KR1020220159975A patent/KR20230078560A/ko active Search and Examination
- 2022-11-25 JP JP2023569717A patent/JP2024518490A/ja active Pending
- 2022-11-25 US US18/561,134 patent/US20240262994A1/en active Pending
- 2022-11-25 EP EP22899077.6A patent/EP4324878A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101493183B1 (ko) * | 2010-11-02 | 2015-02-12 | 미쓰이 가가쿠 가부시키가이샤 | 태양 전지 봉지재 및 태양 전지 모듈 |
JP2013008761A (ja) * | 2011-06-23 | 2013-01-10 | Bridgestone Corp | 太陽電池封止膜及びこれを用いた太陽電池 |
JP2015211189A (ja) | 2014-04-30 | 2015-11-24 | 日本ポリエチレン株式会社 | 太陽電池封止材用樹脂組成物、並びにそれを用いた太陽電池封止材及び太陽電池モジュール |
JP2017110221A (ja) * | 2015-12-14 | 2017-06-22 | 日本ポリエチレン株式会社 | ポリエチレン樹脂、ポリエチレン樹脂組成物、並びにそれを用いた太陽電池封止材及び太陽電池モジュール |
KR20210100029A (ko) * | 2020-02-05 | 2021-08-13 | 아지노모토 가부시키가이샤 | 수지 조성물 |
KR20210128326A (ko) * | 2020-04-16 | 2021-10-26 | 주식회사 엘지화학 | 에틸렌/알파-올레핀 공중합체를 포함하는 봉지재 필름용 조성물 및 이를 포함하는 봉지재 필름 |
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JP2024518490A (ja) | 2024-05-01 |
EP4324878A1 (en) | 2024-02-21 |
CN117279991A (zh) | 2023-12-22 |
US20240262994A1 (en) | 2024-08-08 |
KR20230078560A (ko) | 2023-06-02 |
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