CN102815070A - Solar cell back panel with improved cohesive property on packing materials - Google Patents
Solar cell back panel with improved cohesive property on packing materials Download PDFInfo
- Publication number
- CN102815070A CN102815070A CN2011101583935A CN201110158393A CN102815070A CN 102815070 A CN102815070 A CN 102815070A CN 2011101583935 A CN2011101583935 A CN 2011101583935A CN 201110158393 A CN201110158393 A CN 201110158393A CN 102815070 A CN102815070 A CN 102815070A
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- China
- Prior art keywords
- sheet
- fluoropolymer membrane
- hot pressing
- fluoropolymer
- film
- Prior art date
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- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000012856 packing Methods 0.000 title abstract 2
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 122
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 122
- 238000007731 hot pressing Methods 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims description 106
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 63
- 238000010438 heat treatment Methods 0.000 claims description 34
- 229920000098 polyolefin Polymers 0.000 claims description 27
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 24
- 229920000642 polymer Polymers 0.000 claims description 24
- 229920001577 copolymer Polymers 0.000 claims description 21
- 239000005977 Ethylene Substances 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 14
- 241000209094 Oryza Species 0.000 claims description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims description 12
- 235000009566 rice Nutrition 0.000 claims description 12
- 229920006267 polyester film Polymers 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 8
- 229920000554 ionomer Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 4
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000003475 lamination Methods 0.000 description 15
- 229920002799 BoPET Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000007761 roller coating Methods 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- CBECDWUDYQOTSW-UHFFFAOYSA-N 2-ethylbut-3-enal Chemical compound CCC(C=C)C=O CBECDWUDYQOTSW-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006370 Kynar Polymers 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- WJBLNOPPDWQMCH-MBPVOVBZSA-N Nalmefene Chemical compound N1([C@@H]2CC3=CC=C(C=4O[C@@H]5[C@](C3=4)([C@]2(CCC5=C)O)CC1)O)CC1CC1 WJBLNOPPDWQMCH-MBPVOVBZSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920006355 Tefzel Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- HVMJUDPAXRRVQO-UHFFFAOYSA-N copper indium Chemical compound [Cu].[In] HVMJUDPAXRRVQO-UHFFFAOYSA-N 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- ZZEMEJKDTZOXOI-UHFFFAOYSA-N digallium;selenium(2-) Chemical compound [Ga+3].[Ga+3].[Se-2].[Se-2].[Se-2] ZZEMEJKDTZOXOI-UHFFFAOYSA-N 0.000 description 1
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 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
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- JTHNLKXLWOXOQK-UHFFFAOYSA-N n-propyl vinyl ketone Natural products CCCC(=O)C=C JTHNLKXLWOXOQK-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229940116238 revex Drugs 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- H01L31/049—Protective back sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/14—Velocity, e.g. feed speeds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
- B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
- B32B2310/0825—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using IR radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a solar cell back panel with improved cohesive property on packing materials and discloses hot-pressed fluoropolymer films or sheets and a manufacture method thereof. The manufacture method includes the following steps: (i) providing fluoropolymer films or sheets basically formed by fluoropolymers; (ii) performing hot pressing on the fluoropolymer films or sheets through a hot-pressing device, wherein the condition of the hot-pressing device is that the multilayer fluoropolymer films or sheets are pressed by the pressure of 0.01-50Kgf/cm<2> and heated at the temperature of about 160 DEG C-260 DEG C. The invention further discloses a solar cell module which comprises a back panel formed by the at least one layer of hot-pressed multilayer fluoropolymer films or sheets.
Description
Technical field
The disclosure relates to and a kind of other polymeric material is had improved close-burning fluoropolymer membrane or sheet, and comprises the solar module of said fluoropolymer membrane or sheet.
Background technology
In solar module, the solar cell of electrical interconnection by preceding encapsulating material and back encapsulating material encapsulation, then further is sandwiched between the transparent header board and backboard through the solar cell that encapsulates usually.The backboard of solar module is used as supporter and the barrier of resisting environmental activity.In the backboard of prior art; Because its superior weatherability, mechanical performance, electric property and barrier property, those backboards backboard of polyvinyl fluoride/PET/polyvinyl fluoride (PVF/PET/PVF) sandwich construction (as have) that comprise fluoropolymer polymer are widely used.But a shortcoming of the backboard of such fluoropolymer is that the caking property between fluoropolymer membrane and the encapsulating material (like ethylene (EVA)) can be in time and variation, and causes the delamination of solar module thus.So, still have the backboard that contains fluoropolymer polymer that needs exploitation that encapsulating material is had bonds well property.
Disclosure
Purpose of the present disclosure provides a kind of method that obtains through the fluoropolymer membrane or the sheet of hot pressing; Said fluoropolymer membrane or sheet through hot pressing has the improved adhesion strength of polyolefin film, and said method comprises: fluoropolymer membrane or sheet that the drawn of being made up of fluoropolymer polymer (i) is provided basically; (ii) the fluoropolymer membrane or the sheet of said drawn carried out hot pressing, the condition of said hot-press equipment wherein is set, so that the fluoropolymer membrane of said drawn or sheet receive 0.01-50Kgf/cm through hot-press equipment
2Pressure and 160 ℃-260 ℃ heating.
In an embodiment of said method, be arranged on step (ii) in the condition of employed hot-press equipment so that the fluoropolymer membrane of said drawn or sheet receive 0.1-50Kgf/cm
2, or preferred 0.5-50Kgf/cm
2, or more preferably 0.5-30Kgf/cm
2Pressure and 180 ℃-260 ℃ or preferred 200 ℃-260 ℃ or more preferably 200 ℃-245 ℃ heating.
In the embodiment of another said method; Step (ii) in employed hot-press equipment be paired flat plate heat; And between said flat plate heat with the fluoropolymer membrane of said drawn or sheet hot pressing 0.1-30 second, or preferred hot pressing 0.5-30 second, or more preferably hot pressing 0.5-20 second.
In the embodiment of another said method; Step (ii) in employed hot-press equipment comprise at least one pair of mip rolls (nip roll) through heating, and the fluoropolymer membrane of said drawn or sheet through linear velocity be set to 0.01-100 rice/minute or preferred 0.1-50 rice/minute or more preferably 0.5-30 rice/minute said at least one pair of mip rolls through heating.
In the embodiment of another said method; Wherein step (ii) before, the fluoropolymer membrane of said drawn or sheet are preheated to 160 ℃-260 ℃ or preferred 180 ℃-260 ℃ or more preferably 200 ℃-260 ℃ or more preferably 200 ℃-245 ℃ temperature also.And the fluoropolymer membrane of said drawn or sheet can carry out preheating through Infrared Heating, air heat, flame heat, electron beam or laser; Or preferably, the fluoropolymer membrane or the sheet of said drawn heat through infra-red furnace.
In the embodiment of another said method, heat-press step is (ii) repeated 2-50 time, or preferably repeat 2-10 time.
In the embodiment of another said method, said fluoropolymer polymer is selected from the homopolymers and the copolymer of PVF, vinylidene, tetrafluoroethene, hexafluoropropene, chlorotrifluoroethylene, and two kinds or more kinds of combinations in them.Perhaps, said fluoropolymer polymer is optional from polyvinyl fluoride, Kynoar and their combination; Or preferably be selected from polyvinyl fluoride.
The disclosure also provides through above-mentioned arbitrary method prepared fluoropolymer membrane or sheet through hot pressing.
In an embodiment of the fluoropolymer membrane of hot pressing or sheet; When said fluoropolymer membrane or sheet through hot pressing is laminated to polyolefin film or sheet; Be 17N/cm at least according to what ASTM D903-38 recorded through the fluoropolymer membrane of hot pressing or the adhesion strength between sheet and polyolefin film or the sheet; Or be preferably 20N/cm at least, or 40N/cm at least more preferably.In this embodiment; Said polyolefin film or sheet can comprise polyolefin composition, and wherein said polyolefin composition comprises and is selected from following material: ethylene, ionomer, polyethylene, ethene/acrylic ester copolymer, acid copolymer and two kinds or more kinds of combinations in them; Or be preferably selected from ethylene.
The disclosure also provides multilayer fluoropolymer membrane or sheet, and it comprises above-mentioned fluoropolymer membrane or sheet through hot pressing of one deck at least.Said multilayer fluoropolymer membrane or sheet can be the forms of duplicature or sheet, and wherein said duplicature or sheet basically by one deck through the fluoropolymer membrane or the sheet of hot pressing be depressed into from level to level through the fluoropolymer membrane of hot pressing or the polyester film or the sheet of layer and form.Perhaps; Said multilayer fluoropolymer membrane or sheet can be the forms of trilamellar membrane or sheet, wherein said trilamellar membrane or sheet basically by two-layer through hot pressing fluoropolymer membrane or sheet and be pressed in two-layer polyester film or sheet between hot pressing fluoropolymer polymer rete or lamella from level to level and form.In this embodiment; Polyester film or sheet can be formed by being selected from following polyester basically: PET, polybutylene terephthalate, polytrimethylene terephthalate, PEN, and two kinds or more kinds of combinations in them.
The disclosure also provides solar module; The backboard that it comprises one or more solar cells, is laminated to the back encapsulated layer of rear surface of solar cell and is laminated to the encapsulated layer back side, back; Wherein said back encapsulated layer comprises polyolefin, and wherein said backboard comprises above-described arbitrarily fluoropolymer membrane or sheet through hot pressing of one deck at least.
The disclosure also provides solar module; The backboard that it comprises one or more solar cells, is laminated to the back encapsulated layer of rear surface of solar cell and is laminated to the encapsulated layer back side, back; Wherein said back case chip comprises polyolefin, and wherein said backboard comprises the above multilayer fluoropolymer membrane or sheet arbitrarily.
In some embodiments of the above solar module; The polyolefin that is comprised in the encapsulated layer of said back is selected from ethylene, ionomer, polyethylene, ethene/acrylic ester copolymer, acid copolymer and two kinds or more kinds of combinations in them; Or the polyolefin that is comprised in the encapsulated layer of preferably said back is selected from ethylene.
According to open, when the scope that provides has two concrete end points, should understand said scope and be included in any number between these two concrete end points and be at or about one of any any number of these two endpoint values.
The specific embodiment
Fluoropolymer membrane or the sheet that is a kind of through hot pressing disclosed herein.Term " film " or " sheet " in this interchangeable use are meant the continuous thin flat structure with homogeneous thickness.Usually, sheet can have greater than about 100 microns thickness, and film can have about 100 microns or littler thickness.According to the disclosure, obtain through following steps: fluoropolymer membrane or sheet that the drawn that comprises or be made up of fluoropolymer polymer basically (a) is provided through the fluoropolymer membrane or the sheet of hot pressing; (b) through the fluoropolymer membrane or the sheet of hot-press equipment hot pressing drawn, the condition of said hot-press equipment wherein is set, so that the fluoropolymer membrane of drawn or sheet receive about 0.01-50 kilogram/square centimeter (Kgf/cm
2) pressure and about 160 ℃-260 ℃ heating.
When a film or sheet are referred to " comprise or be made up of (particular polymers) basically "; Be meant that said film or sheet processed by following material: (i) a kind ofly comprise the material of said particular polymers and other component or (ii) a kind of, and the adding of said specific other component bring side effect can not for machinery, physics and the adhesive property of said film or sheet by said particular polymers and optional specific other component.
Term " drawn " in this use is meant drawing process, in this drawing process, polymer film or sheet laterally and/or vertically by unidirectional or biaxial tension, to reach the combination of machinery and physical property.Must be through being known in the art to the film of unidirectional or double stretching or the stretcher and the method for sheet, but and this method of those skilled in the art's appropriate change, to be prepared in this disclosed film or sheet.The instance of this equipment and method comprises as at United States Patent (USP) 3,278, in 663,3,337,665,3,456,044,4,590,106,4,760,116,4,769,421,4,797,235 and 4,886,634 disclosed those.
Fluoropolymer membrane or sheet at the drawn of this use can comprise following fluoropolymer polymer; Or form by being selected from following fluoropolymer polymer basically: the homopolymers and the copolymer of PVF (VF), vinylidene (VDF), tetrafluoroethene (TFE), hexafluoropropene (HFP), chlorotrifluoroethylene (CTFE), and two kinds or more kinds of combinations in them.Exemplary more specifically fluoropolymer polymer in this use includes but not limited to polyvinyl fluoride (PVF), Kynoar (PVDF), ethene/chlorotrifluoroethylcopolymer copolymer (ECTFE), Tefzel (ETFE), and two kinds or more kinds of combinations in them.
In one embodiment, be to comprise PVF or the PVF film or the sheet of the drawn formed by PVF basically at the fluoropolymer membrane of the drawn of this use or sheet, PVF has-(CH
2CHF)
nThe thermoplastic fluoropolymer of-repetitive.It can pass through prepared by any suitable process, like United States Patent (USP) 2,419, and disclosed those methods in 010.Therefore usually, PVF does not have the enough heat endurances that are used for injection mo(u)lding, normally extrudes through solvent or pouring procedure is processed film or sheet.According to the disclosure, the PVF film of drawn or sheet can pass through prepared by any suitable process, like cast or solvent is auxiliary extrudes.For example, United States Patent (USP) 2,953,818 disclose the extrusion method that is used for preparing from stretchable PVF film, United States Patent (USP) 3,139,470 disclose the method for the PVF film that is used to prepare drawn.
In addition, according to the disclosure, also can comprise those through various surface-treated at the fluoropolymer membrane or the sheet of the drawn of this use, to improve their adhesive properties to other film or sheet.Exemplary surface treatment includes but not limited to chemical treatment (referring to like United States Patent (USP) 3,122,445), flame treatment (referring to like United States Patent (USP) 3,145,242), and discharge process (referring to like United States Patent (USP) 3,274,088).
PVF film or sheet at the drawn of this use also are available commercially.For example, the PVF film of suitable drawn or sheet can commercial name Tedlar
available from U.S. E.I.Du Pont De Nemours and Co. (E.I.du Pont de Nemours and Company) (below be called " Du Pont ").
In another embodiment, be to comprise PVDF or the pvdf membrane or the sheet of the drawn formed by PVDF basically at the fluoropolymer membrane of the drawn of this use or sheet, PVDF has-(CH
2CF
2)
nThe thermoplastic fluoropolymer of-repetitive.The pvdf membrane of commercially available drawn or sheet include but not limited to the Kynar from U.S. Arkema (Arkema Inc.)
TMPvdf membrane and from the Denka DX film of Japanese Denka electrochemical Co., Ltd. (Denka Group).
Hot-press method disclosed herein comprises the condition that hot-press equipment is set, so that said multilayer fluoropolymer membrane or sheet receive about 0.01-50Kgf/cm
2, or about 0.1-50Kgf/cm
2, or about 0.5-50Kgf/cm
2, or about 0.5-30Kgf/cm
2Pressure and about 160 ℃-260 ℃ or about 180 ℃-260 ℃ or about 200 ℃-260 ℃ or about 200 ℃-245 ℃ heating.This use " receive ... pressure " be meant said film or sheet its by the part of hot pressing on the average pressure of the suffered certain force of per unit area.This use " receive ... heating " be meant when said film or sheet and contact, the heat that said pressurization applies towards the part by hot pressing of said film or sheet with the pressure surface that adds that is heated to uniform temperature.
Can use any suitable hot-press equipment at this, it can include but not limited to mip rolls, stack and flat-bed press.In using those embodiments of flat plate heat, preferably fluoropolymer polymer sheet or the film with said drawn remains on about 0.1-30 second under the pressure, or about 0.5-30 second, or about 0.5-20 second.Using in those embodiments of the mip rolls of heating or stack, the linear velocity of preferred roller machine be maintained at about 0.01-100 rice/minute, or about 0.1-50 rice/minute, or about 0.5-30 rice/minute.In addition, in some embodiments, said hot-press method also can comprise preheating step, wherein before heat-press step, through heating source the fluoropolymer membrane or the sheet of drawn is preheated to about 160 ℃-260 ℃ temperature.Heating source in this use can include but not limited to infrared (IR) heating (like infra-red furnace), air heat, flame heat, electron beam and laser etc.Perhaps, can carry out repeatedly hot pressing (2-50 time according to appointment, or about 2-10 time) to the fluoropolymer membrane of said drawn or sheet.For example, said hot-press method can comprise the fluoropolymer membrane of said drawn or sheet are repeatedly suppressed between flat plate heat and (2-50 time according to appointment, or about 2-10 time) wherein between each time compacting, said film or sheet is cooled to room temperature.In addition, the fluoropolymer membrane of said drawn or sheet can repeatedly pass through between mip rolls or the stack of heating, wherein preferably with said film or sheet each time through between be cooled to room temperature.In one embodiment; With the fluoropolymer membrane of said drawn or sheet at first (as through the IR stove) be preheated to about 160 ℃-260 ℃; Then it is placed between paired flat plate heat and suppresses about 0.1-30 second; Wherein be arranged to condition, so that said film or sheet receive about 0.05-50Kgf/cm to flat plate heat
2Pressure and about 160 ℃-260 ℃ heating.In another embodiment; Fluoropolymer membrane or sheet (as through the IR stove) with said drawn is preheated to about 160 ℃-260 ℃ temperature earlier; Make it pass through at least one pair of between the mip rolls of heating then; Wherein be provided with said at least one pair of through linear velocity of the mip rolls of heating for about 0.01-100 rice/minute, and other condition is set, so that said film or sheet receive about 0.05-50Kgf/cm
2Pressure and about 160 ℃-260 ℃ heating.In another embodiment; The fluoropolymer membrane of said drawn or sheet are repeatedly through between the mip rolls of paired warp heating (2-10 time according to appointment); The linear velocity that said paired mip rolls through heating wherein is set for about 0.01-100 rice/minute; And other condition is set, so that said film or sheet receive about 0.05-50Kgf/cm in each time in through process
2Pressure and about 160 ℃-260 ℃ heating, and with said film or sheet each time through between be cooled to room temperature.In another embodiment; The fluoropolymer membrane of said drawn or sheet through many to (2-10 to) according to appointment between the mip rolls of heating; Wherein be provided with each to through the heating mip rolls linear velocity for about 0.01-100 rice/minute; And other condition is set, so that said film or sheet receive about 0.05-50Kgf/cm
2Pressure and about 160 ℃-260 ℃ heating, and, wherein many mip rolls through heating are separated, so that said film or sheet saidly can be cooled to room temperature through down a pair of before between the mip rolls of heating said.
Disclosed at this can be about 5-100 micron through the fluoropolymer membrane of hot pressing or the final gross thickness of sheet, or about 10-50 micron, or about 20-40 micron.
As following provide embodiment confirmed; When fluoropolymer membrane or the sheet through hot pressing disclosed herein is laminated to ethylene (EVA) sheet, compared to the fluoropolymer membrane of the drawn that does not receive hot pressing or the adhesion strength between sheet and the EVA sheet very large improvement is arranged through the adhesion strength between hot pressing fluoropolymer membrane or sheet and the EVA sheet.For example, when the fluoropolymer polymer rete of the drawn of prior art or sheet were laminated to the EVA sheet, the adhesion strength of itself and EVA sheet was merely 10.1N/cm.But, when in an identical manner with (aforesaid) when the fluoropolymer polymer rete of hot pressing or sheet are laminated to the EVA sheet, the adhesion strength of itself and EVA sheet can be increased to up to 78.3N/cm.
Therefore; According to the disclosure; When will be when the fluoropolymer membrane of hot pressing or sheet are laminated to polyolefin film or sheet (like EVA film or sheet), said fluoropolymer membrane or the adhesion strength between sheet and polyolefin film or the sheet through hot pressing can reach at least about 17N/cm or at least about 20N/cm or at least about the level of 40N/cm.
The disclosure also provides multilayer fluoropolymer membrane or the sheet through lamination, and it comprises at least disclosed fluoropolymer membrane or sheet and one or more layers other extra layer through hot pressing more than one deck.Other extra layer of like this one or more layers can be formed by any suitable film or sheet such as metal forming or polymeric membrane or sheet.Can form by any suitable polymers material except that fluoropolymer polymer at this polymeric membrane or sheet that is suitable for.In one embodiment; Said polymer film or sheet in this use are polyester film or sheet; Its (a) comprises polyester; Or form by polyester basically, or (b) comprise or form by being selected from following polyester basically: PET (PET), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), PEN (PEN) and two kinds or more kinds of combination in them; Or (c) comprise or form by PET basically.
In one embodiment, said multilayer fluoropolymer membrane or sheet through lamination is through the double-deck fluoropolymer membrane of lamination or the form of sheet, and it is made up of through the fluoropolymer membrane of hot pressing or sheet and one deck polyester film or sheet one deck basically.In another embodiment, said multilayer fluoropolymer membrane or sheet through lamination is the form through the three layers of fluoropolymer membrane or the sheet of lamination, and it is two-layerly formed through the fluoropolymer membrane of hot pressing or one deck polyester film or sheet between the sheet by being laminated to basically.When multilayer film or sheet are described as " basically by ... form " time, this is meant except listed component layers, states in topic also can comprise in multilayer film or the sheet or not comprise in order to improve the close-burning adhesive between the component layers.
Can prepare through any suitable method such as dry lamination or extruded type lamination through the multilayer fluoropolymer membrane of lamination or sheet.In addition, adhesive can be used between any a pair of adjacent layer of multilayer fluoropolymer membrane or sheet, to improve adhesion strength therebetween.Suitable binding agent can include but not limited to polyurethanes, acrylic compounds, epoxies, TPO adhesive, and two kinds or more kinds of combinations in them.
The disclosure also provides solar module; It comprises one or more solar cells, is laminated to the back encapsulated layer of said rear surface of solar cell; With the backboard that is laminated to the encapsulated layer back side, said back; Wherein said back encapsulated layer comprises polyolefin, and wherein said backboard comprises above-mentioned fluoropolymer membrane or sheet through hot pressing of one deck at least.
At this used solar cell can be any photoelectric conversion device that can solar radiation be converted into electric energy.They can be formed by the opto-electronic conversion body, on its two interareas, are formed with electrode.Said opto-electronic conversion body can be made by any suitable photoelectric conversion material, like crystalline silicon (c-Si), non-crystalline silicon (a-Si), microcrystal silicon (μ c-Si), cadmium telluride (CdTe), Cu-In selenide (CuInSe
2Or CIS), copper indium/gallium diselenide (CuIn
xGa
(1-x)Se
2Or CIGS), extinction dyestuff and organic semiconductor.Preceding electrode can be formed by electrocondution slurry such as silver paste, and it is coated on the front surface of said opto-electronic conversion body like serigraphy or ink jet printing through any suitable printing process.Preceding electrocondution slurry can comprise a plurality of parallel conduction grid lines, and perpendicular to conduction grid line and connected one or more conductive collecting bars, and back electrode can form through the whole back of the body surface that metal paste is printed in said opto-electronic conversion body.The suitable metal that forms said back electrode includes but not limited to aluminium, copper, silver, gold, nickel, molybdenum, cadmium and their alloy.
In use, solar cell has towards preceding (or the on) surface of solar radiation with back to the back of the body (or back) face of solar radiation usually.Therefore, each component layers in the solar module has front surface (or side) and the back side (or side).
According to the disclosure; The back encapsulated layer that is laminated to rear surface of solar cell can comprise polyolefin, and it includes but not limited to ethylene (EVA), ionomer, polyethylene, ethene/acrylic ester copolymer (for example ethylene/methyl acrylate copolymer and ethylene/butylacrylate copolymer), acid copolymer and two kinds or more kinds of combinations in them.In one embodiment, said back encapsulated layer comprises EVA.At the commercially available EVASKY of the encapsulated layer based on EVA of this use from Japanese BRIDGESTONE company (Bridgestone)
TM(commercial name); The Ultrapearl of Japan Sandvik AB (Sanvic Inc.)
TM(commercial name); The BixCure of U.S. Bixby International Corp.
TM(commercial name); Or the Revax of the auspicious sunlight volt in Wenzhou Materials Co., Ltd
TM(Rui Fu) (commercial name).The exemplary encapsulated layer based on ionomer includes but not limited to the DuPont of Du Pont
TMPV5300 series case chip and DuPont
TMPV5400 series case chip.
In one embodiment, the backboard of solar module is formed by above disclosed fluoropolymer membrane or sheet through hot pressing.In another embodiment, said backboard is formed by above disclosed multilayer fluoropolymer membrane or sheet through lamination, and it comprises disclosed fluoropolymer membrane or sheet through hot pressing more than one deck at least.
Said solar module also can comprise transparent preceding encapsulated layer that is laminated to said solar cell front surface and the transparent front plate that further is laminated to the front surface of said preceding encapsulated layer.
Be used for said transparent before the suitable material of encapsulated layer include but not limited to comprise the component of following material: EVA, ionomer, gather (vinyl butyral) (PVB), polyurethane (PU), polyvinyl chloride (PVC), polyethylene, polyolefin block elastomer, ethene/acrylic ester copolymer (like ethylene/methyl acrylate copolymer and ethylene/butylacrylate copolymer), acid copolymer, silicone elastomer, epoxy resin etc.
Any suitable glass or plastic sheet all can be used as said transparent front plate.The suitable material that is used for the plastics header board can include but not limited to the polystyrene of glass, Merlon, acrylic resin, polyacrylate, cyclic polyolefin, ethene/norbornene copolymer, metallocene catalysis, polyamide, polyester, fluoropolymer polymer etc. and their combination.
Can use any suitable laminating method to prepare solar module disclosed herein.In one embodiment, said method comprises: the solar cell that a plurality of electrical interconnections (a) are provided; (b) form pre-laminated assembly, wherein solar cell is placed on the encapsulated layer of back, place it on the backboard again, wherein said backboard comprises disclosed fluoropolymer membrane or sheet through hot pressing more than one deck at least; (c) at heat and the said pre-laminated assembly of pressure laminated.
In another embodiment, said method comprises: the solar cell that a plurality of electrical interconnections (a) are provided; (b) form pre-laminated assembly, wherein solar cell is clipped between transparent preceding encapsulated layer and the back encapsulated layer, and then it is clipped between transparent front plate and the backboard, wherein said backboard comprises disclosed fluoropolymer membrane or sheet through hot pressing more than one deck at least; (c) at heat and the said pre-laminated assembly of pressure laminated.
In one embodiment, use ICOLAM 10/08 laminating machine available from German Meier Solar Solutions GmbH, about 135 ℃-150 ℃ with about 1 atmospheric pressure enforcement module laminating method about 10-25 minute down.
Embodiment
Employed material:
● the pvf film (38 microns of thickness) of PVF film: Tedlar
PV2001 drawn derives from Du Pont;
● EVA sheet: Revex
TM767 (auspicious good fortune 767) Ethylene/vinyl acetate sheet (500 microns of thickness) derives from Wenzhou auspicious sunlight volt Materials Co., Ltd;
● the PET film: (both sides) are through the Melinex of corona treatment
TMThe polyethylene terephthalate film of S drawn (250 microns of thickness) derives from Dupont-Supreme Being people's film company (DuPont Teijin Films).
Comparative example CE1-CE2 and embodiment E 1-E7:
In CE1, be prepared as follows a plurality of laminate with " glass/EVA sheet/PVF film/PET film/PVF film " structure.At first; Use Liofol LA 2692 polyurethane binder and the curing agent UR7395 (all available from Henkel KGaA company (Henkel AG&Co.)) of 11: 1 ratios; With one deck PET film lamination between two-layer PVF film, to form " PVF film/PET film/PVF film " trilamellar membrane through lamination without hot pressing.Then; With one deck EVA sheet (7 * 10cm) be placed on the thick sheet glass of one deck 3.2mm (7 * 10cm) and one deck through " PVF film/PET film/PVF film " trilamellar membrane of lamination (between 7 * 12cm); To form the pre-laminated structure of multilayer; Use ICOLAM 10/08 laminating machine, under 145 ℃ and 1 atmospheric pressure, it was carried out vacuum lamination 15 minutes.In addition, in the vacuum lamination first being processed, along half place of pact of said pre-laminated structure length, a slice PEP (FEP) barrier film is placed between said EVA lamella and adjacent " PVF film/PET film/PVF film " trilamellar membrane layer.With the method, to remove after the FEP barrier film, the trilamellar membrane layer of " PVF film/PET film/PVF film " will have not the loosening end with EVA sheet bonding., along the length of each laminate cut out two test-strips (2.54cm wide with 12cm long), and use Instron 5566 testers (available from American I nstron company), according to the adhesion strength between ASTM D903-98 test EVA sheet and the adjacent PVF film thereafter.The adhesion strength of all 6 test-strips to preparation is thus tested, and calculates their mean value, and the results list is in table 1.
In each embodiment of CE2 and E1-E7; Substitute among the CE1 the PVF film without hot pressing except using, a plurality ofly have the sheet through lamination of " glass/EVA sheet/through the PVF of hot pressing film/PET film/" structure basically according to preparing through the PVF of hot pressing film with the same procedure described in the CE1 through the PVF of hot pressing film.Through one deck PVF film being placed on infrared (IR) stove (model 10831010; Available from the Chinese Shanghai medicine equipment Co., Ltd of making a leapleap forward) in a period of time; Make PVF film pass through a pair of mip rolls then, obtain in each embodiment of CE2 and E1-E7 employed various through the PVF of hot pressing film through heating through heating.Listed in the table 1 prepare these various in the PVF of hot pressing film employed IR stove temperature and the time of staying, through temperature, the time of staying and the pressure of the mip rolls of heating.In addition, through and CE1 in employed same procedure be determined among CE2 and each embodiment of E1-E7 in EVA sheet and adjacent adhesion strength between the PVF of hot pressing film.
Table 1
Remarks:
1In embodiment E 2 and E5, the PVF film does not carry out the mip rolls compacting through the heat treatment of IR stove;
2NA representes " inapplicable ";
3The adhesion strength of surveying is between EVA sheet and adjacent PVF film (being through the PVF of hot pressing film in CE2 and E1-E7).
As above confirmed, contrasted the adhesion strength (in CE1, being 10.1N/cm) of undressed PVF film and EVA sheet, had adhesion strength (in E1-E7, being 29.8-76.2N/cm) improved and the EVA sheet through the PVF of hot pressing film.
Comparative example CE3 and embodiment E 8-11:
In each embodiment of CE3 and E8-E11; Substitute among the CE1 the PVF film without hot pressing except using, a plurality ofly have the sheet through lamination of " glass/EVA sheet/through the PVF of hot pressing film/PET film/" structure basically according to preparing through the PVF of hot pressing film with the same procedure described in the CE1 through the PVF of hot pressing film.Through making said PVF film one or many obtain among CE3 and each embodiment of E8-11 employed various through the PVF of hot pressing film through three roller coating lines (model: KXE1222 is available from U.S. Davis-Standard LLC).The PVF film repeatedly through the situation between the three roller coating lines under, at every turn through between said film is cooled to room temperature.Listed in the table 2 for three roller coating lines set roller temperature, speed and pressure.
According to CE1 in employed identical standard, be determined at EVA sheet and the adjacent adhesion strength between the PVF of hot pressing film among each embodiment of CE3 and E8-E11, the results list is in table 2.
Table 2
1NA representes " inapplicable ";
2RT representes " room temperature ";
3The adhesion strength of surveying is between EVA sheet and the PVF film (in CE3 and E8-E16 through the PVF of hot pressing film).
As above confirmed, contrasted the adhesion strength (in CE1, being 10.1N/cm) of undressed PVF film and EVA sheet, had adhesion strength (in E8-E16, being 18.7-78.3N/cm) improved and the EVA sheet through the PVF of hot pressing.
Claims (19)
1. method that obtains through the fluoropolymer membrane or the sheet of hot pressing; Said fluoropolymer membrane or sheet through hot pressing has the improved adhesion strength of polyolefin film, and said method comprises: fluoropolymer membrane or sheet that the drawn of being made up of fluoropolymer polymer (i) is provided basically; (ii) the fluoropolymer membrane or the sheet of said drawn carried out hot pressing, the condition of said hot-press equipment wherein is set, so that the fluoropolymer membrane of said drawn or sheet receive 0.01-50Kgf/cm through hot-press equipment
2Pressure and 160 ℃-260 ℃ heating.
2. the described method of claim 1, wherein step (ii) in, the condition of hot-press equipment is set, so that the fluoropolymer membrane of said drawn or sheet receive 0.1-50Kgf/cm
2, or preferred 0.5-50Kgf/cm
2, or more preferably 0.5-30Kgf/cm
2Pressure and 180 ℃-260 ℃ or preferred 200 ℃-260 ℃ or more preferably 200 ℃-245 ℃ heating.
3. claim 1 or 2 described methods; Wherein said hot-press equipment is paired flat plate heat, and step (ii) in, between said flat plate heat with the fluoropolymer membrane of said drawn or sheet hot pressing 0.1-30 second; Or preferred hot pressing 0.5-30 second, or more preferably hot pressing 0.5-20 second.
4. each described method among the claim 1-3; Wherein said hot-press equipment comprises at least one pair of mip rolls through heating; And step (ii) in, the fluoropolymer membrane of said drawn or sheet through linear velocity be set to 0.01-100 rice/minute or preferred 0.1-50 rice/minute or more preferably 0.5-30 rice/minute said at least one pair of mip rolls through heating.
5. each described method among the claim 1-4; Wherein step (ii) before, the fluoropolymer membrane of said drawn or sheet are preheated to 160 ℃-260 ℃ or preferred 180 ℃-260 ℃ or more preferably 200 ℃-260 ℃ or more preferably 200 ℃-245 ℃ temperature also.
6. the described method of claim 5, wherein step (ii) before, the fluoropolymer membrane of said drawn or sheet carry out preheating through Infrared Heating, air heat, flame heat, electron beam or laser; Or preferably, the fluoropolymer membrane or the sheet of said drawn heat through infra-red furnace.
7. each described method among the claim 1-4 wherein (ii) repeats heat-press step 2-50 time, or preferably repeats 2-10 time.
8. each described method among the claim 1-7, wherein said fluoropolymer polymer is selected from the homopolymers and the copolymer of PVF, vinylidene, tetrafluoroethene, hexafluoropropene, chlorotrifluoroethylene, and two kinds or more kinds of combinations in them.
9. the described method of claim 8, wherein said fluoropolymer polymer is selected from polyvinyl fluoride, Kynoar and their combination; Or preferably, said fluoropolymer polymer is selected from polyvinyl fluoride.
10. fluoropolymer membrane or sheet through a hot pressing, it is through each described method preparation among the claim 1-9.
11. claim 10 described fluoropolymer membrane or sheet through hot pressing; Wherein when said fluoropolymer membrane or sheet through hot pressing is laminated on polyolefin film or the sheet; Said fluoropolymer membrane or the adhesion strength between sheet and said polyolefin film or the sheet through hot pressing that records according to ASTM D903-38 is 17N/cm at least; Or be preferably 20N/cm at least, or 40N/cm at least more preferably.
12. claim 11 described fluoropolymer membrane or sheet through hot pressing; Wherein said polyolefin film or sheet comprise polyolefin composition; And wherein said polyolefin composition comprises and is selected from following material: ethylene, ionomer, polyethylene, ethene/acrylic ester copolymer, acid copolymer, and two kinds or more kinds of combinations in them; Or preferably, said polyolefin composition comprises and is selected from following material: ethylene.
13. multilayer fluoropolymer membrane or sheet, it comprises at least each described fluoropolymer membrane or sheet through hot pressing among one deck claim 9-12.
14. described multilayer fluoropolymer membrane of claim 13 or sheet; It is the form of duplicature or sheet, and wherein said duplicature or sheet saidly are made up of through the fluoropolymer membrane of hot pressing or one deck polyester film or sheet on the sheet said fluoropolymer membrane or the sheet and being laminated to through hot pressing of one deck basically.
15. described multilayer fluoropolymer membrane of claim 13 or sheet; It is the form of trilamellar membrane or sheet, and wherein said trilamellar membrane or sheet basically by two-layer said through hot pressing fluoropolymer membrane or sheet and be pressed in from level to level said two-layerly form through the fluoropolymer polymer rete of hot pressing or polyester film or the sheet between the sheet.
16. claim 14 or 15 described multilayer fluoropolymer membrane or sheets; Wherein said polyester film or sheet are formed by being selected from following polyester basically: PET, polybutylene terephthalate, polytrimethylene terephthalate, PEN, and two kinds or more kinds of combinations in them.
17. solar module; It comprises one or more solar cells, is laminated to the back encapsulated layer of said rear surface of solar cell; With the backboard that is laminated to the encapsulated layer back side, said back; Wherein said back encapsulated layer comprises polyolefin, and wherein said backboard comprises at least each described fluoropolymer membrane or sheet through hot pressing among one deck claim 10-12.
18. solar module; It comprises one or more solar cells, is laminated to the back encapsulated layer of said rear surface of solar cell; With the backboard that is laminated to the encapsulated layer back side, said back; Wherein said back encapsulated layer comprises polyolefin, and wherein said backboard comprises each described multilayer fluoropolymer membrane or sheet among the claim 13-16.
19. claim 17 or 18 described solar modules, the polyolefin that is comprised in the encapsulated layer of wherein said back are selected from ethylene, ionomer, polyethylene, ethene/acrylic ester copolymer, acid copolymer, reach two kinds or more kinds of combinations in them; Or preferably, the polyolefin that is comprised in the encapsulated layer of said back is selected from ethylene.
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| CN201110158393.5A CN102815070B (en) | 2011-06-07 | 2011-06-07 | Solar cell back panel with improved cohesive property on packing materials |
| PCT/CN2012/076220 WO2012167705A1 (en) | 2011-06-07 | 2012-05-29 | Solar cell backsheet with improved adhesion to encapsulant |
| TW101120366A TW201306286A (en) | 2011-06-07 | 2012-06-07 | Solar cell backsheet with improved adhesion to encapsulant |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804054A (en) * | 2016-09-08 | 2018-03-16 | 上海联净电子科技有限公司 | TPT backboards, hot-press method and the hot-press equipment of a kind of photovoltaic cell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3594884B2 (en) * | 1999-07-09 | 2004-12-02 | エア・ウォーター株式会社 | Method for producing composite material and composite material obtained thereby |
| US20100055472A1 (en) * | 2008-08-28 | 2010-03-04 | Bravet David J | Fluoropolymer laminate |
| CN101681946A (en) * | 2007-06-15 | 2010-03-24 | 阿科玛股份有限公司 | photovoltaic modules having a polyvinylidene fluoride backsheet |
| CN101997038A (en) * | 2009-08-19 | 2011-03-30 | 南京纳泉高科材料股份有限公司 | Solar battery back panel film and preparation method thereof |
| CN102039664A (en) * | 2009-10-10 | 2011-05-04 | E.I.内穆尔杜邦公司 | Superposition method for multilayer film and solar battery backplane manufactured by method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100495735C (en) * | 2007-06-29 | 2009-06-03 | 周均华 | Preparation method of solar battery rear panel compound film |
| CN101431107A (en) * | 2007-11-07 | 2009-05-13 | E.I.内穆尔杜邦公司 | Laminated film and solar cell panel employing the same |
-
2011
- 2011-06-07 CN CN201110158393.5A patent/CN102815070B/en active Active
-
2012
- 2012-05-29 WO PCT/CN2012/076220 patent/WO2012167705A1/en active Application Filing
- 2012-06-07 TW TW101120366A patent/TW201306286A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3594884B2 (en) * | 1999-07-09 | 2004-12-02 | エア・ウォーター株式会社 | Method for producing composite material and composite material obtained thereby |
| CN101681946A (en) * | 2007-06-15 | 2010-03-24 | 阿科玛股份有限公司 | photovoltaic modules having a polyvinylidene fluoride backsheet |
| US20100055472A1 (en) * | 2008-08-28 | 2010-03-04 | Bravet David J | Fluoropolymer laminate |
| CN101997038A (en) * | 2009-08-19 | 2011-03-30 | 南京纳泉高科材料股份有限公司 | Solar battery back panel film and preparation method thereof |
| CN102039664A (en) * | 2009-10-10 | 2011-05-04 | E.I.内穆尔杜邦公司 | Superposition method for multilayer film and solar battery backplane manufactured by method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804054A (en) * | 2016-09-08 | 2018-03-16 | 上海联净电子科技有限公司 | TPT backboards, hot-press method and the hot-press equipment of a kind of photovoltaic cell |
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| CN102815070B (en) | 2015-07-15 |
| TW201306286A (en) | 2013-02-01 |
| WO2012167705A1 (en) | 2012-12-13 |
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