WO2015096484A1 - 一种双重引发的快速交联eva胶膜 - Google Patents
一种双重引发的快速交联eva胶膜 Download PDFInfo
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- WO2015096484A1 WO2015096484A1 PCT/CN2014/083889 CN2014083889W WO2015096484A1 WO 2015096484 A1 WO2015096484 A1 WO 2015096484A1 CN 2014083889 W CN2014083889 W CN 2014083889W WO 2015096484 A1 WO2015096484 A1 WO 2015096484A1
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- WIPO (PCT)
- Prior art keywords
- parts
- eva film
- triacrylate
- double
- eva
- Prior art date
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- 238000004132 cross linking Methods 0.000 title claims abstract description 17
- 239000002313 adhesive film Substances 0.000 title abstract 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 74
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 74
- 239000003999 initiator Substances 0.000 claims abstract description 27
- 239000004611 light stabiliser Substances 0.000 claims abstract description 14
- 150000003254 radicals Chemical class 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000012949 free radical photoinitiator Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 26
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 16
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- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 7
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 6
- XFCMNSHQOZQILR-UHFFFAOYSA-N 2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOC(=O)C(C)=C XFCMNSHQOZQILR-UHFFFAOYSA-N 0.000 claims description 4
- XLXOGJYARRBRPZ-UHFFFAOYSA-N [2,3-di(prop-2-enoyloxy)-3-propoxypropyl] prop-2-enoate Chemical compound CCCOC(OC(=O)C=C)C(OC(=O)C=C)COC(=O)C=C XLXOGJYARRBRPZ-UHFFFAOYSA-N 0.000 claims description 4
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- MYWOJODOMFBVCB-UHFFFAOYSA-N 1,2,6-trimethylphenanthrene Chemical compound CC1=CC=C2C3=CC(C)=CC=C3C=CC2=C1C MYWOJODOMFBVCB-UHFFFAOYSA-N 0.000 claims description 3
- CSGAUKGQUCHWDP-UHFFFAOYSA-N 1-hydroxy-2,2,6,6-tetramethylpiperidin-4-ol Chemical compound CC1(C)CC(O)CC(C)(C)N1O CSGAUKGQUCHWDP-UHFFFAOYSA-N 0.000 claims description 3
- PUGOMSLRUSTQGV-UHFFFAOYSA-N 2,3-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical class C=CC(=O)OCC(OC(=O)C=C)COC(=O)C=C PUGOMSLRUSTQGV-UHFFFAOYSA-N 0.000 claims description 3
- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 claims description 3
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- 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 3
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- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 claims description 2
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- JMWGZSWSTCGVLX-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;2-methylprop-2-enoic acid Chemical class CC(=C)C(O)=O.CC(=C)C(O)=O.CC(=C)C(O)=O.CCC(CO)(CO)CO JMWGZSWSTCGVLX-UHFFFAOYSA-N 0.000 claims description 2
- HPFWYRKGZUGGPB-UHFFFAOYSA-N 4,6-dichloro-n-(2,4,4-trimethylpentan-2-yl)-1,3,5-triazin-2-amine Chemical compound CC(C)(C)CC(C)(C)NC1=NC(Cl)=NC(Cl)=N1 HPFWYRKGZUGGPB-UHFFFAOYSA-N 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical group CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- QJLHEVWEYHNPFS-UHFFFAOYSA-N C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C(O)C(CC)(CO)CO.C(CC)(=O)O Chemical compound C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C(O)C(CC)(CO)CO.C(CC)(=O)O QJLHEVWEYHNPFS-UHFFFAOYSA-N 0.000 claims description 2
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- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- VLVZXTNDRFWYLF-UHFFFAOYSA-N [2-ethyl-2-(prop-2-enoyloxymethyl)hexyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CC)(CCCC)COC(=O)C=C VLVZXTNDRFWYLF-UHFFFAOYSA-N 0.000 claims description 2
- FHLPGTXWCFQMIU-UHFFFAOYSA-N [4-[2-(4-prop-2-enoyloxyphenyl)propan-2-yl]phenyl] prop-2-enoate Chemical class C=1C=C(OC(=O)C=C)C=CC=1C(C)(C)C1=CC=C(OC(=O)C=C)C=C1 FHLPGTXWCFQMIU-UHFFFAOYSA-N 0.000 claims description 2
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 2
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- OTRIMLCPYJAPPD-UHFFFAOYSA-N methanol prop-2-enoic acid Chemical compound OC.OC.OC(=O)C=C.OC(=O)C=C OTRIMLCPYJAPPD-UHFFFAOYSA-N 0.000 claims description 2
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- SYJCUYXTMQSJLM-UHFFFAOYSA-N phenylphosphanyl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)PC1=CC=CC=C1 SYJCUYXTMQSJLM-UHFFFAOYSA-N 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
- C08K5/357—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2431/00—Presence of polyvinyl acetate
-
- 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 double-initiated fast crosslinked EVA (ethylene-vinyl acetate copolymer) film.
- EVA ethylene-vinyl acetate copolymer
- solar cell modules are currently being researched more and more.
- more than 90% of solar cell modules are crystalline silicon photovoltaic modules, and their structures are transparent front substrate glass, encapsulation film, The cell sheet, the encapsulant film, and the back substrate back sheet are laminated in order from bottom to top, and then cured at a high temperature.
- the curing time of solar cell modules is generally as long as 20 ⁇ 30mm, which seriously affects the efficiency of component packaging. Especially today, the labor is getting more and more expensive.
- the fully automatic component packaging production line has been adopted, and the domestic conversion is also in progress. , The future of fully automatic mechanized packaging is foreseeable. For fully automated production lines with large investment, packaging efficiency is especially important. When the curing time of individual components is reduced by half, the payback period can be reduced by half.
- the object of the present invention is to provide a double-initiated fast-crosslinking EVA (ethylene-vinyl acetate copolymer) film for solar cell module packaging, which can greatly improve current solar power The packaging speed of the pool component.
- EVA ethylene-vinyl acetate copolymer
- a double-initiated fast cross-linking EVA film mainly made of raw materials such as quality:
- the ethylene-vinyl acetate copolymer has a vinyl acetate content of 15 to 33%, the rfi insect index ranges from 7 to 50 g/10 min, and the melting point is from 35 ° C to 100 ° C;
- the radical photoinitiator is one or a mixture of two or more of the following: 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-2 - (4-morpholinyl)-1-[4-(methylthio)phenyl]-1-propanone, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 2,4, 6-Ethyl trimethylbenzoylphenylphosphonate, 2-dimethylamino-2-benzyl-1-[4-(4-morpholinyl)phenyl]-1-butanone, 2-hydroxyl -2-methyl-1-[4-(2-hydroxyethoxy)phenyl]-1-propanone, methyl benzoylformate; preferably one of the following: 2-methyl-2-(4- Morpholinyl)-1-[4-(methylthio)phenyl]-1-propanone, 2,4,6-trimethylbenzoyl-diphenylphosphin
- the radical thermal initiator is one or a mixture of two or more of: t-butyl peroxycarbonate isopropyl ester, 2,5-dimethyl-2,5-bis(tert-butylperoxy) ⁇ , 1-bis(tert-butylperoxide)-3,3,5-trimethylcyclohexanide, tert-butylperoxy-2-ethylhexyl peroxide, 2, 5-dimethyl-2,5-di(tert-butylperoxy)hexanide; preferably one of the following: 1-bis(tert-butylperoxide)-3,3,5-trimethylcyclohexanide , tert-butylperoxy-2-ethylhexyl peroxide, 2,5-dimethyl-2,5-di(tert-butylperoxy)hexanide.
- the co-crosslinking agent is one or a mixture of two or more of the following: tris(2-hydroxyethyl) isocyanuric acid triacrylate, trishydroxymethylpropane triacrylate, pentaerythritol triacrylate, B Oxidized trishydroxypropylpropane triacrylate, trimethylolpropane triacrylate propionate, propoxyglycerol triacrylate, trishydroxymethylpropionate trimethacrylate, ethoxylated trishydroxymethylpropionate Trimethacrylate, pentaerythritol tetraacrylate, pentoxide tetraol tetraacrylate, di-trimethylolpropene tetraacrylate, propofol tetraol tetraacrylate, 2,4,6-tris(2-propenyloxy) -1,3,5-triazine, tricyclogalan dimethanol diacrylate, propoxy neopentyl glycol diacrylate
- the tackifier is a conventional silicon germanium coupling agent in the art, and may be one or a mixture of two or more of the following: ⁇ -aminopropyltriethoxysilane, ⁇ -methacryloxypropyltrimethyl Oxysilane, ⁇ -(2,3-epoxypropoxy)propyltrimethoxysilane, vinyltrimethoxysilane, ⁇ -( ⁇ -aminoethyl)- ⁇ -aminopropyltrimethoxy Silicon germanium; preferably ⁇ -methacryloxypropyltrimethoxysilane or vinyltrimethoxysilane.
- the light stabilizer is a light stabilizer conventionally used in the art for an EVA film, and may be one or a mixture of two or more of the following: bis- 2,2,6,6-tetramethylpiperidinol azelaic acid Ester, 2,4-dichloro-6- (4-morpholinyl)-1,3,5-triazine, bis-1-indolyl-2,2,6,6-tetramethylpiperidin-4-ol sebacate, dibutyl Polymer of acid and 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinol, hydrazine, ⁇ '-bis(2,2,6,6-tetramethyl-4-piperidine a polymer of 1,1,6-hexanediamine and 2,4-dichloro-6-(1,1,3,3-tetramethylbutyl)amino-1,3,5-triazine, hydrazine , ⁇ ,-bis(2,2,6,6-tetramethyl-4-piperidinyl)
- (1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate/methyl-1,2,2,6,6-pentamethyl-4-piperidinyl fluorene a polymer of an acid ester or a polymer of succinic acid and (4-hydroxy-2,2,6,6-tetramethyl-1-piperidinol); preferably a sebacic acid bis-2,2,6, 6-Tetramethylpiperidinyl ester or 2,4-dichloro-6-(4-morpholinyl)-1,3,5-triazine.
- the EVA film may further add some other conventional functional additives as needed, so the raw material for preparing the EVA film may further comprise 0.1 to 1 part of the ultraviolet absorber and/or 0.1 to 1 part of the antioxidant. .
- the ultraviolet absorber is 2-hydroxy-4-n-octyloxybenzophenone
- the antioxidant is 2,6-di-tert-butyl-4-methylphenol.
- the quality composition of the raw material for preparing the EVA film is as follows:
- Double-initiated fast cross-linked EVA film proposed by the invention, using double initiator
- the initiator combination and the multifunctional acrylate or methacrylate co-crosslinker double initiate curing.
- the curing process is very fast, and the curing process can be compressed to within 10 mm, which greatly improves the efficiency of component packaging.
- Ordinary fast curing EVA film generally uses peroxide as an initiator, and decomposes under heating to generate free radicals, which causes EVA film to cure.
- a radical photoinitiator and a thermal initiator are simultaneously added, and an acrylate-based material is selected as a co-crosslinking agent to further accelerate the curing process.
- Acrylate materials are very sensitive to both thermally induced and ultraviolet photoinitiation and are ideal crosslinker materials.
- the peroxide initiator is reduced compared to the conventional EVA film, the number of small molecules generated by thermal decomposition is also small, and the probability of generating bubbles during lamination is also small, so the yield of the component package is improved.
- the photothermal double initiates curing the curing is more uniform, the crosslink density is high, the bonding strength with the glass is higher, and the aging resistance is good.
- the EVA film of the present invention is blended, melt extruded, and cast into a film from an ethylene-vinyl acetate copolymer and other auxiliary agents.
- the EVA film according to the present invention is used for packaging a solar cell module, and the front substrate glass, the EVA film, the cell sheet, and the EVA film are laminated from bottom to top, and sent to the ultraviolet irradiation chamber for irradiation. 60s, then put the backing plate, send it to the laminator, and cure it at 140 160 °C for 5 ⁇ 10min.
- the invention has the beneficial effects of the EVA film mainly embodied in: the invention adds a photothermal double-initiated free radical initiator and a polyfunctional acrylate or methacrylate auxiliary in the ethylene-vinyl acetate copolymer.
- a solar cell module is produced by a dual curing process using ultraviolet and hot pressing. The curing time is reduced to 5 ⁇ 10min, and the curing yield is high; the curing is uniform, the crosslinking density is high, the bonding strength with glass is higher, and the aging resistance is good.
- Example 1
- VA vinyl acetate
- DuPont EVA150 ethylene-vinyl acetate copolymer
- initiator 2-methyl _ 2 - ( 4 _ Morpholinyl)-1-[ 4- (methylthio)phenyl]-1-propanone Choengdu nap Chemical Technology Co., Ltd.
- initiator 2 5-dimethyl-2, 5-di ( Tert-Butyl Peroxide) Benzene
- cross-linking agent Tris-hydroxymethylpropane trimethacrylate (Shanghai Pan'an International Trading Co., Ltd.
- Example 2 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process, thereby obtaining an EVA film having a thickness of 0.45 mm, which is designated as Sl. .
- Example 2 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process, thereby obtaining an EVA film having a thickness of 0.45 mm, which is designated as Sl. .
- Example 2 Example 2:
- Example 3 The mixture is blended and extruded in an extruder, the temperature is controlled within 90 ° C, and the extrudate is subjected to casting, cooling, slitting and coiling steps, thereby obtaining an EVA film having a thickness of 0.45 mm, which is recorded as S-2.
- Example 3 The mixture is blended and extruded in an extruder, the temperature is controlled within 90 ° C, and the extrudate is subjected to casting, cooling, slitting and coiling steps, thereby obtaining an EVA film having a thickness of 0.45 mm, which is recorded as S-2.
- Example 3 Example 3:
- Example 4 The mixture is blended and extruded in an extruder, the temperature is controlled within 90 ° C, and the extrudate is subjected to casting, cooling, slitting and coiling steps, thereby obtaining an EVA film having a thickness of 0.45 mm, which is recorded as S-3.
- Example 4 The mixture is blended and extruded in an extruder, the temperature is controlled within 90 ° C, and the extrudate is subjected to casting, cooling, slitting and coiling steps, thereby obtaining an EVA film having a thickness of 0.45 mm, which is recorded as S-3.
- Example 4 Example 4:
- Example 5 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -4.
- Example 5 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -4.
- Example 5 Example 5
- Ethyl acetate (Tie Xi Ai (Shanghai) Chemical Industry Development Co., Ltd.), 0.4 parts of initiator t-butyl peroxycarbonate 2-ethylhexyl ester (Akzo Nobel Chemical Co., Ltd.), 3 parts of cross-linking agent B Oxidized Trimethylolpropane Triacrylate (Tianjin United Chemical Reagent Factory), 1.5 parts of tackifier ⁇ -methacryloxypropyltrimethoxysilane (Nanjing Lithium Chemical Co., Ltd. ⁇ -570) , 1 part of light stabilizer bismuth-2,2,6,6-tetramethylpiperidinyl ester (Shanghai Boyle Chemical Co., Ltd.), and mix well.
- Example 6 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -5.
- Example 6 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -5.
- Example 6 Example 6:
- Example 8 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -7.
- Example 8 The mixture is blended and extruded in an extruder, the temperature is controlled at 90 ° C, and the extrudate is subjected to a casting, cooling, slitting, and coiling process to obtain an EVA film having a thickness of 0.45 mm, which is denoted as S. -7.
- Example 8 Example 8
- Example 1 0.8 part of the co-crosslinking agent trishydroxymethylpropane trimethacrylate (Shanghai Pan'an International Trading Co., Ltd. HC231) was changed to 0.8 part of the curing agent triallyl isocyanuric acid. Ester (Akzo Nobel Chemical Co., Ltd.), the rest unchanged, the resulting EVA film, recorded as D-2.
- the EVA film product was prepared by the above method, and the performance index was determined by the following method:
- Sample preparation 3mm thick glass, EVA film and test back plate with a size of 150mmxl50mm were taken.
- the example was laminated according to the glass and 2 layers of EVA film from bottom to top.
- the UVA lamp of the irradiation chamber 40W was irradiated for 30 s, and then the back sheet was placed and sent to a laminator to cure 8 mm at 150 °C.
- Comparative Example 1/2 was placed in a vacuum laminator in the order of glass/2 layer EVA film/backsheet, and cured at 85 ° C for 8 mm. After the curing was completed, the back sheet on the sample was peeled off, and about 1 g of the cross-linked cured EVA film was taken from the glass in the middle of the sample for the cross-linking degree test.
- the cross-linking test method is as follows:
- the EVA film was cured by heating to form a cross-linking, and the uncrosslinked portion of the sample was extracted with a xylene solvent to determine the degree of crosslinking.
- Stainless steel mesh bag Cut a 120-mesh stainless steel wire mesh with a size of 120mmx60mm, fold it into 60mmx60mm, and fold the two sides into 5mm twice and fix it to make a mesh bag with a top opening of 60mmx40mm. .
- Test results Calculate the degree of cross-linking according to formula (2) and take the arithmetic mean of the two sets of samples to the nearest 0.1%.
- Sample preparation 3mm thick glass, EVA film and test back plate with dimensions of 150mmxl50mm were taken.
- the example was laminated by glass, 2 layers of EVA film from bottom to top, and UVA lamp was sent into the ultraviolet irradiation room 40W.
- the tube was irradiated for 30 s, then the back sheet was placed and fed into a laminator to cure 8 mm at 150 °C.
- Comparative Examples 1 and 2 were placed in a vacuum laminator in the order of a glass/2 layer EVA film/backsheet, and cured at 150 ° C for 8 min.
- the measurement was carried out on a tensile machine at a speed of 100 mm/min, and the tensile strength value was recorded.
- the damp heat aging test was carried out in accordance with the test method of GB/T2423.3.
- Sample preparation 3mm thick glass, EVA film and test back plate with dimensions of 150mmxl50mm were taken.
- the example was laminated by glass, 2 layers of EVA film from bottom to top, and UVA lamp was sent into the ultraviolet irradiation room 40W.
- the tube was irradiated for 30 s, then the back sheet was placed and fed into a laminator to cure 8 mm at 150 °C.
- Comparative Examples 1 and 2 were placed in a vacuum laminator in the order of a glass/2 layer EVA film/backsheet, and cured at 150 ° C for 8 min.
- test conditions were a temperature of 85 ° C, a relative humidity of 85 %, and a time of 1000 h.
- the yellowing index ( ⁇ ) of the sample was analyzed according to the national standard “Plastic Yellow Index Test Method” GB2409, and the HunterLab ColorQuest colorimeter was used for ASTM analysis.
- the UV aging test was carried out in accordance with the test method of GB/T 19394-2003.
- the glass, the EVA film and the sample back plate are cut.
- the embodiment is laminated according to the glass and the 2-layer EVA film from bottom to top, and is irradiated into the ultraviolet irradiation chamber 40W by the UVA lamp.
- the backing plate was placed and sent to a laminator to cure 8 mm at 150 °C.
- Comparative Examples 1 and 2 were placed in a vacuum laminator in the order of a glass/2 layer EVA film/backsheet, and cured at 150 ° C for 8 min.
- the test conditions are a temperature of 60 ° C, an irradiation wavelength of 280 nm to 400 nm, and an irradiation intensity of 120 kWh/m 2 o.
- the fast crosslinked EVA film of the invention has the advantages of high crosslinking speed, high peeling strength and good aging resistance, and is suitable for packaging of solar cell modules.
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Adhesives Or Adhesive Processes (AREA)
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Abstract
Description
Claims
Priority Applications (2)
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US14/777,689 US9765243B2 (en) | 2013-12-27 | 2014-08-07 | Double initiated fast crosslinking EVA adhesive film |
JP2016504480A JP6074106B2 (ja) | 2013-12-27 | 2014-08-07 | 二重開始及び快速架橋結合evaフィルム |
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CN201310739474.3A CN104031567B (zh) | 2013-12-27 | 2013-12-27 | 一种双重引发的快速交联eva胶膜 |
CN201310739474.3 | 2013-12-27 |
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WO2015096484A1 true WO2015096484A1 (zh) | 2015-07-02 |
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US (1) | US9765243B2 (zh) |
JP (1) | JP6074106B2 (zh) |
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CN104031567A (zh) | 2014-09-10 |
US20160272852A1 (en) | 2016-09-22 |
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US9765243B2 (en) | 2017-09-19 |
JP2016515649A (ja) | 2016-05-30 |
CN104031567B (zh) | 2015-06-17 |
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