CN110144149A - A kind of fluororine-carbon coating coating fluid and the solar energy backboard using the coating - Google Patents
A kind of fluororine-carbon coating coating fluid and the solar energy backboard using the coating Download PDFInfo
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- CN110144149A CN110144149A CN201910349157.8A CN201910349157A CN110144149A CN 110144149 A CN110144149 A CN 110144149A CN 201910349157 A CN201910349157 A CN 201910349157A CN 110144149 A CN110144149 A CN 110144149A
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- fluororine
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- carbon coating
- coating fluid
- solar energy
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- 238000000576 coating method Methods 0.000 title claims abstract description 139
- 239000011248 coating agent Substances 0.000 title claims abstract description 138
- 239000012530 fluid Substances 0.000 title claims abstract description 58
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 57
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229920005989 resin Polymers 0.000 claims abstract description 53
- 239000011347 resin Substances 0.000 claims abstract description 53
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 33
- 239000012948 isocyanate Substances 0.000 claims abstract description 30
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 19
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 67
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 44
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 44
- 239000000758 substrate Substances 0.000 claims description 29
- -1 polytetrafluoroethylene Polymers 0.000 claims description 28
- 239000003960 organic solvent Substances 0.000 claims description 26
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 22
- 239000011737 fluorine Substances 0.000 claims description 22
- 229910052731 fluorine Inorganic materials 0.000 claims description 22
- 239000000654 additive Substances 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 17
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 150000002148 esters Chemical class 0.000 claims description 13
- 229920002125 Sokalan® Polymers 0.000 claims description 12
- 239000004584 polyacrylic acid Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 6
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 claims description 2
- 235000005513 chalcones Nutrition 0.000 claims description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 2
- 229960002725 isoflurane Drugs 0.000 claims description 2
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000013638 trimer Substances 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims 1
- 239000002033 PVDF binder Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 22
- 229920000058 polyacrylate Polymers 0.000 abstract description 16
- 238000012360 testing method Methods 0.000 abstract description 16
- 230000032683 aging Effects 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 abstract description 2
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 30
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 23
- 238000002360 preparation method Methods 0.000 description 15
- 239000007788 liquid Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 12
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 11
- 238000011056 performance test Methods 0.000 description 10
- 238000007711 solidification Methods 0.000 description 10
- 230000008023 solidification Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 238000001723 curing Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003682 fluorination reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to solar energy backplane technology fields, and in particular to a kind of fluororine-carbon coating coating fluid and the solar energy backboard using the coating.In order to improve existing solar energy backboard fluororine-carbon coating package strength, the present invention provides a kind of fluororine-carbon coating coating fluid and the solar energy backboard using the coating.Fluororine-carbon coating coating fluid provided by the invention, it in percentage by weight include 40%~70% fluorocarbon resin, 20%~40% titanium dioxide, 1%~5% flatting silica, 0.2%~0.8% polyacrylate, the adhesive force of 1%-5% promotes resin, and 3%~10% isocyanates controls solid content 40%~60%.The coating fluid forms one layer of high-densit fluororine-carbon coating on PET base material surface, which can show excellent package strength during pressing with EVA layer, and still keep high package strength after experience hydrothermal aging test.
Description
Technical field
The present invention relates to solar energy backplane technology fields, should in particular to a kind of fluororine-carbon coating coating fluid and use
The solar energy backboard of coating.
Background technique
In photovoltaic cell (solar battery) component, backboard makes component open air as a kind of encapsulation auxiliary material, performance
With being of crucial importance.In manufacture device process, can all there be one of laminating technology, by backboard, cell piece, glass envelope
It installs into.And intermediate ethylene-vinyl acetate copolymer (EVA layer) bonding is relied primarily between backboard and cell piece and is completed.Back
The package strength of plate and EVA use component open air extremely important.To think under normal circumstances, inner layer material needs to use membrane material,
For example PE class material can just accomplish high package strength.
Fluororine-carbon coating is used as the internal layer of backboard, as a kind of common material, is widely used in photovoltaic back.But
It is existing most not internal fluorocarbon layers of patent and EVA package strength as research of giving prominence to the key points.Match because fluorocarbon coating has
The advantages such as square controllability is strong, and painting work is easy, and product cost is low, develop novel high package strength formula to photovoltaic back
The application of (also referred to as solar energy backboard) is of great significance.
Summary of the invention
In order to improve existing solar energy backboard fluororine-carbon coating package strength, the present invention provides a kind of coating of fluororine-carbon coating
Liquid and the solar energy backboard for using the coating.For the package strength testing standard of current back plate testing, fluorine provided by the invention
The fluororine-carbon coating that carbon coating coating fluid is formed has high package strength.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical solutions.
The present invention provides a kind of fluororine-carbon coating coating fluid, comprising 40%~70% fluorocarbon resin, the two of 20%~40%
Titanium oxide, 1%~5% flatting silica, 0.2%~0.8% additive, the adhesive force of 1%-5% promote resin and 3%~
10% isocyanates, the total amount of aforementioned raw material are 100%, and aforementioned raw material is dissolved in organic solvent and forms coating fluid, is coated with
The solid content of liquid is 40%~60%, and the percentage is weight percentage.
Each component is limited in above-mentioned content range, fluorocarbon resin initial reaction under the high temperature conditions can be made, then
50 DEG C of experience, condition curing in 48 hours, coating fluid form one layer of high-densit fluororine-carbon coating on PET base material surface, which applies
Layer can show excellent package strength during pressing with EVA layer, and still keep high after experience hydrothermal aging test
Package strength.
Further, the adhesive force promotes resin to be selected from thermoplastic resin.
Further, the adhesive force promotes resin to be selected from thermoplastic polyurethane resin.
The fluororine-carbon coating coating fluid is also known as fluorocarbon coating, also referred to as fluorine carbon coating fluid.
Fluororine-carbon coating is formed after the fluororine-carbon coating coating fluid is coated and cured.
The proportion of fluorine carbon coating fluid is limited within the above range, to fluorocarbon layer after the completion of curing and corresponding solar energy
The package strength of backboard, which has, more preferably manages property, so that final solar energy backboard product is able to satisfy the quality of high package strength
It is required that.
Further, the solid content of the fluorine carbon coating fluid is preferably 45%~55%.
Above-mentioned fluorine carbon coating fluid solid content is limited to the range, is conducive to fluorocarbon layer and is uniformly coated on substrate surface.
Further, the fluorocarbon resin be selected from Kynoar, polyvinyl fluoride, polytetrafluoroethylene (PTFE), polytrifluorochloroethylene,
One of polyhexafluoropropylene or at least two combination.
The characteristics of fluorocarbon resin has the characteristics that high bond energy, weatherability may be implemented using fluorine carbon key.
Further, the fluorocarbon resin is thermohardening type resin.
The fluorocarbon resin is provided by great Jin fluorine Chemical Co., Ltd..
Further, the titanium dioxide is rutile-type, has outstanding representation to resistance to UV characteristic.
Further, the titanium dioxide is that Du Pont provides.
Further, the flatting silica is selected from silicon dioxide granule.
Further, the silicon dioxide granule is that W. R. Grace & Co provides.
Further, the additive is used for fluorocarbon modified resin.The additive is selected from polyacrylate.
The bonding force that the polyacrylic acid ester additive is mainly used for regulating and controlling after the weatherability of fluorocarbon coating (is characterized as surveying
Adhesive force and package strength after trying high temperature and humidity).
The polyacrylate is that Bi Ke chemistry provides.
Further, the adhesive force promotes resin to be selected from thermoplastic polyurethane resin, using it in lamination high temperature mistake
Reaction further can be participated in the surface EVA in journey to be bonded, form high package strength.
The thermoplastic polyurethane resin is provided by He great chemical company.
Further, the isocyanates is curing agent.
Further, the isocyanates is selected from toluene diisocyanate trimer or polymer, and hexa-methylene two is different
Cyanate tripolymer or polymer or isoflurane chalcone diisocyanate tripolymer or polymer.
Further, the isocyanates is provided by Beyer Co., Ltd.
Fluororine-carbon coating coating fluid includes organic solvent.The organic solvent be selected from ethyl acetate, butyl acetate, butanone, or
One of cyclohexanone or at least two combination.
Further, the fluorine carbon coating fluid includes 40%~57.4% fluorocarbon resin, 29%~40% titanium dioxide
Titanium, 2%~5% flatting silica, 0.4%~0.8% polyacrylate, the adhesive force promotion resin of 3%-5%, 3%~
9.6% isocyanates, the total amount of aforementioned raw material are 100%, and aforementioned raw material is dissolved in organic solvent and forms coating fluid, is coated with
The solid content of liquid is 45%~60%.Above-mentioned technical proposal includes embodiment 1-2,4,6-7.
Further, the fluorine carbon coating fluid includes 55%~57.4% fluorocarbon resin, 29%~31% titanium dioxide
The adhesive force of titanium, 2%~3% flatting silica, 0.5%~0.7% polyacrylate, 3%-3.5% promotes resin and 7%
~7.5% isocyanates, the total amount of aforementioned raw material are 100%, and aforementioned raw material is dissolved in organic solvent and forms coating fluid, is applied
The solid content of cloth liquid is 45%~55%.Above-mentioned technical proposal includes embodiment 2,6,7.
Fluorocarbon coating formula is limited within the scope of above-mentioned preferred parameter, it is ensured that the coating has high package strength,
And it can still be kept after hydrothermal aging high-intensitive.
The present invention also provides a kind of solar energy backboard, the solar energy backboard includes fluororine-carbon coating, substrate, adhesive, fluorine
Film layer.The fluororine-carbon coating include fluorocarbon resin, titanium dioxide, flatting silica, polyacrylate, thermoplastic polyurethane resin,
Isocyanates etc..
Further, the substrate is translucent substrate, and the material of the substrate layer is selected from parylene's second two
Alcohol ester (PET).
Further, the adhesive is selected from polyester-type adhesive.
Further, the fluorine film layer choosing is from PVF film or pvdf membrane.
Further, during the preparation process, the fluorine-resin coating is first configured to fluorine carbon coating fluid, comprising 40%~
70% fluorocarbon resin, 20%~40% titanium dioxide, 1%~5% flatting silica, 0.2%~0.8% additive, 1%-
5% adhesive force promotes resin, and 3%~10% isocyanates controls solid content 40%~60%, and the percentage is equal
It is weight percentage.
Further, the solar energy backboard successively includes fluororine-carbon coating, substrate layer, adhesive layer and fluorine film layer.
Further, the solar energy backboard successively includes fluororine-carbon coating, substrate layer, adhesive layer and fluorine film from inside to outside
Layer.
The fluororine-carbon coating is coated on substrate layer by coating fluid of the present invention and is formed after solidifying.
In use, the fluororine-carbon coating of above-mentioned solar energy backboard and EVA are bonded, and further encapsulate cell piece.Institute
The internal layer that fluororine-carbon coating is backboard is stated, fluorine film layer is outer layer.
Further, the fluororine-carbon coating (abbreviation fluorocarbon layer) with a thickness of 10~20 μm；The substrate layer is with a thickness of 250
~300 μm；The adhesive layer with a thickness of 6~10 μm；The fluorine film layer with a thickness of 16~38 μm.
Further, the adhesive layer is with a thickness of 6~8 μm；The fluorine thicknesses of layers is 20~25 μm.
Further, the thickness of the fluororine-carbon coating is preferably 16~20 μm.
Further, the thickness of the fluororine-carbon coating is preferably 16~19 μm.
Further, the substrate layer is with a thickness of 250~275 μm.
Further, the substrate layer is with a thickness of 275 μm.
Solar energy backboard provided by the invention can be used for the outermost layer back board packaging material of photovoltaic module.
The preparation method of solar energy backboard provided by the invention the following steps are included:
Fluorocarbon layer coating fluid is coated on substrate surface, circulation baking oven heat cure processing is placed on, forms fluororine-carbon coating；So
It is coated with adhesive layer in substrate another side afterwards, is placed on dry in circulation baking oven, fitting fluorine film layer；It is anti-finally to do primary curing
It answers.
Further, the temperature for recycling oven drying is 150 DEG C, and the time is 2 minutes.
Further, the drying temperature of adhesive layer is 90 DEG C, and the time is 2 minutes.
Further, slaking reaction temperature is 50 DEG C, and the time is 48 hours.
Further, substrate is the model KP20 substrate that Qin Bang company provides.The substrate is also known as PET base material.
Above-mentioned coating process, thermal maturation technique, attaching process, can be set according to the prior art.
Before fluorine carbon coating fluid is coated on substrate surface, above-mentioned preparation method further includes that fluorocarbon coating is configured to fluorine
The step of carbon coating fluid.
Fluorocarbon resin and content of titanium dioxide in fluorocarbon layer coating fluid provided by the invention are to ultraviolet ageing and damp and hot
Aging has a major impact, and the adhesion promoter thermoplastic polyurethane of addition can further strengthen in lamination pyroprocess
Binding ability between EVA, to improve the package strength of backboard.
Compared with prior art, the fluororine-carbon coating that fluororine-carbon coating coating fluid provided by the invention is formed has high encapsulation strong
Degree.Solar energy backboard provided by the invention has outstanding weatherability and long service life.
Fluororine-carbon coating and solar energy backboard provided by the invention realizes following technical effect:
1, after above-mentioned fluorocarbon layer coating fluid being solidified into fluorocarbon layer, the solar energy of ageing-resistant, high package strength may be implemented
Backboard inner layer material.
2, after above-mentioned fluorine carbon coating fluid being solidified into fluorocarbon layer, the fluorine film of appropriate mix bonds to obtain solar energy backboard, too
The package strength effect similar with PE film may be implemented in positive energy backboard, and meets every ageing properties test, meets outdoor old
Change testing requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar energy backboard provided by the invention.
Wherein, 10, fluorine film layer；20, adhesive layer (adhesive layer)；30, substrate layer；40, fluorocarbon layer
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combine.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the solar energy backboard successively includes fluororine-carbon coating 40, substrate layer 30, adhesive layer from inside to outside
20 and fluorine film layer 10.
The preparation method of solar energy backboard membrane provided by the invention the following steps are included:
(1) fluorocarbon layer coating fluid is coated on substrate surface, is placed on circulation curing oven processing, forms fluorocarbon layer；(2)
The semi-finished product substrate another side of coated fluorocarbon layer is coated with adhesive layer, adhesive layer is placed on circulation oven drying processing, then compound
Fluorine film layer；(3) by solar energy backboard finished product slaking reaction；(4) solar energy backboard and EVA layer are suppressed into standby simulation test encapsulation by force
Degree.
Further, the temperature of the circulation oven drying of fluorocarbon layer processing is 150 DEG C during (1), and the time is 2 minutes；
Further, the dry circulation oven temperature of (2) process adhesive is 90 DEG C, and the time is 2 minutes；
Further, the maturation process temperature of (3) process is 50 DEG C, and the time is 48 hours.
Further, the laminating parameters suggestion of (4) process is 145 DEG C of temperature, is vacuumized 6 minutes, is deflated 30 seconds, lamination pressure
Power 0.1MPa is laminated 12 minutes.
Further, the lamination EVA of selection is the F806 that Foster company provides.
Further, the model KP20 substrate that the substrate selected provides for Qin Bang company.The substrate is also known as PET base
Material.
Before fluorocarbon layer coating fluid is coated on substrate surface, above-mentioned preparation method further includes that fluorocarbon layer is configured to fluorine
The step of carbon-coating coating fluid.
Solar energy backboard provided by the invention carries out following tests:
The adhesive force of fluorocarbon layer: according to the standard of GB 1720-1979 " paint film adhesion measuring method ", solar energy back is tested
Fluorocarbon layer is to the adhesive force of substrate in plate, represents wherein 100/100 represents not demoulding, 90/100 and falls off 10%.
Package strength test: according to the mark of GB/T 31034-2014 " crystal silicon solar battery component insulating back panel "
Standard tests the adhesive strength of fluorocarbon layer and EVA, is carried out using 180 ° of peel test force methods.Adhesive strength is higher, illustrates to encapsulate
Intensity is higher.
QUV aging process: according to the mark of GB/T 31034-2014 " crystal silicon solar battery component insulating back panel "
Standard is handled with ultraviolet ageing lamp, and accumulation uv energy reaches 90kwh/m2, take out sample observation appearance.
Hydrothermal aging processing: according to the mark of GB/T 31034-2014 " crystal silicon solar battery component insulating back panel "
Standard, it is 85 DEG C that temperature is arranged in high temperature and humidity cabinet, humidity 85%, and accumulated time 2000h takes out sample observation appearance
Whether bubble changes colour, and tests adhesive force, package strength.
Fluorocarbon layer coating fluid and solar energy backboard provided by the invention are further illustrated below in conjunction with embodiment.
Embodiment 1
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 40% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 40% rutile titanium dioxide, 5% silica disappears
Light powder, 0.4% polyacrylic acid ester additive, 5% thermoplastic polyurethane resin (attachment promotes resin), 9.6% isocyanic acid
Ester curing agent.In organic solvent by above-mentioned raw materials (including resin, flatting silica, titanium dioxide etc.) dispersion, solid content is formed
48% fluorine carbon coating fluid.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is provided by great Jin fluorination work, and titanium dioxide is by Du Pont's public affairs
Department provides, and flatting silica is provided by Grace Gmbh., and polyacrylate is provided by Bi Ke chemistry, and thermoplastic polyurethane resin is
The big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is butyl acetate.
Coating fluid is coated in 250 μm of PET base material.
The fluororine-carbon coating formed after dry solidification with a thickness of 20 μm.
The performance test results of solar energy backboard membrane obtained are shown in Table 1.
Embodiment 2
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 57% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 30% rutile titanium dioxide, 2% silica disappears
Light powder, 0.5% polyacrylic acid ester additive, 3% thermoplastic polyurethane resin, 7.5% isocyanates.By above-mentioned raw materials point
It dissipates in organic solvent, forms the fluorine carbon coating fluid of solid content 50%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin fluorine
Chemical industry provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Kehua
It learns and provides, thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is acetic acid
Butyl ester.
Coating is coated in 275 μm of PET base material.
The fluororine-carbon coating formed after dry solidification with a thickness of 16 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Embodiment 3
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 50% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 33% rutile titanium dioxide, 3% silica disappears
Light powder, 0.2% polyacrylic acid ester additive, 3.8% thermoplastic polyurethane resin, 10% isocyanates.By above-mentioned raw materials
Dispersion in organic solvent, forms the fluorine carbon coating fluid of solid content 56%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin
It is fluorinated work to provide, titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Ke
Chemistry provides, and thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is second
Acid butyl ester.
Coating is coated in 300 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 15 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Embodiment 4
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 48% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 39.4% rutile titanium dioxide, 4% silica
Flatting silica, 0.8% polyacrylic acid ester additive, 4.8% thermoplastic polyurethane resin, 3% isocyanates.By above-mentioned raw materials
Dispersion in organic solvent, forms the fluorine carbon coating fluid of solid content 60%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin
It is fluorinated work to provide, titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Ke
Chemistry provides, and thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is second
Acid butyl ester.
Coating is coated in 275 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 18 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Embodiment 5
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 70% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 20% rutile titanium dioxide, 1% silica disappears
Light powder, 0.3% polyacrylic acid ester additive, 1% thermoplastic polyurethane resin, 7.7% isocyanates.By above-mentioned raw materials point
It dissipates in organic solvent, forms the fluorine carbon coating fluid of solid content 40%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin fluorine
Chemical industry provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Kehua
It learns and provides, thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is acetic acid
Butyl ester.
Coating is coated in 300 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 10 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Embodiment 6
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 57.4% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 29% rutile titanium dioxide, 2.5% titanium dioxide
Silicon flatting silica, 0.6% polyacrylic acid ester additive, 3.5% thermoplastic polyurethane resin, 7% isocyanates.By above-mentioned original
Material dispersion in organic solvent, forms the fluorine carbon coating fluid of solid content 45%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by big
Gold fluorination work provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has complete
Gram chemistry provides, and thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates provides by Beyer Co., Ltd, and organic solvent is
Butyl acetate.
Coating is coated in 275 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 19 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Embodiment 7
Fluorine carbon provided in this embodiment is coated with liquid and preparation method thereof
By 55% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 31% rutile titanium dioxide, 3% silica disappears
Light powder, 0.7% polyacrylic acid ester additive, 3% thermoplastic polyurethane resin, 7.3% isocyanates.By above-mentioned raw materials point
It dissipates in organic solvent, forms the fluorine carbon coating fluid of solid content 55%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin fluorine
Chemical industry provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Kehua
It learns and provides, thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is acetic acid
Butyl ester.
Coating is coated in 275 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 17 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Comparative example 1
The fluorine carbon that this comparative example provides is coated with liquid and preparation method thereof
By 60% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 30% rutile titanium dioxide, 2% silica disappears
Light powder, 0.5% polyacrylic acid ester additive, 7.5% isocyanates promote resin without adhesive force.Above-mentioned raw materials are dispersed
In organic solvent, the fluorine carbon coating fluid of solid content 50% is formed.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is fluorinated by great Jin
Work provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Ke chemical
It provides, thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is acetic acid fourth
Ester.
Coating is coated in 250 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 16 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Comparative example 2
The fluorine carbon that this comparative example provides is coated with liquid and preparation method thereof
By 40% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 30% rutile titanium dioxide, 2% silica disappears
Light powder, 0.5% polyacrylic acid ester additive, 20% thermoplastic polyurethane resin, 7.5% isocyanates.By above-mentioned raw materials
Dispersion in organic solvent, forms the fluorine carbon coating fluid of solid content 48%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin
It is fluorinated work to provide, titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Ke
Chemistry provides, and thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is second
Acid butyl ester.
Coating is coated in 275 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 16 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
Comparative example 3
The fluorine carbon that this comparative example provides is coated with liquid and preparation method thereof
By 57% polytetrafluoroethylene (PTFE) type fluorocarbon resin, 30% rutile titanium dioxide, 2% silica disappears
Light powder, 0.5% polyacrylic acid ester additive, 3% thermosetting polyurethane resin, 7.5% isocyanates.By above-mentioned raw materials point
It dissipates in organic solvent, forms the fluorine carbon coating fluid of solid content 50%.Wherein polytetrafluoroethylene (PTFE) type fluorocarbon resin is by great Jin fluorine
Chemical industry provides, and titanium dioxide is provided by E.I.Du Pont Company, and flatting silica is provided by Grace Gmbh., and polyacrylate has Bi Kehua
It learns and provides, thermoplastic polyurethane resin is that the big chemistry of standing grain provides, and isocyanates is provided by Beyer Co., Ltd, and organic solvent is acetic acid
Butyl ester.
Coating is coated in 275 μm of PET base material.
The fluorocarbon layer formed after dry solidification with a thickness of 16 μm.
The performance test results of fluororine-carbon coating obtained are shown in Table 1.
The main performance of solar energy backboard membrane in 1 embodiment 1 to 7 of table and comparative example 1 to 3 is tested
It can be seen that, addition adhesion promoter (i.e. adhesive force promotion resin) has greatly package strength from table 1
It improves.When not adding, initial package strength can not reach 100N/cm or more, such as comparative example 1.But the promotor
Additive amount also cannot be excessive, once too much may to after final weatherability package strength and adhesive force have an impact.This
Be because the promotor itself be polyurethane component, it is poorer than fluorocarbon resin in terms of weatherability, after high humid heat treatment be easy
It is separated after falling or be laminated there is a situation where coating, such as comparative example 2.And use another thermoset polyurethane resin instead, it is such as right
Shown in ratio 3, thermoplastic resin requirement is not achieved in performance.Because thermosetting resin has been completed that crosslinking is anti-in maturing process
It answers, further hot melt and EVA bonding reaction can not occur again in lamination process, and thermoplastic resin has further hot melt anti-
The characteristics of answering, so in terms of to package strength modification, it is necessary to use thermoplastic resin.
Solar energy backboard provided by the invention has high package strength, while can guarantee that package strength is surveyed in hydrothermal aging
Examination process complies with standard.Wherein the fluorocarbon layer better performances that embodiment 1,2,4,6-7 are provided, fluorocarbon layer are not fallen off, initial to encapsulate
Intensity at least 115N/cm undergoes the encapsulation of high humidity thermal ageing test without obvious cosmetic variation after QUV tests 90kwh/ ㎡
Intensity at least 84N/cm.Particularly, the fluorocarbon layer performance that embodiment 2,6,7 provides is best, and fluorocarbon layer is not fallen off, initial to encapsulate
Intensity at least 115N/cm undergoes the encapsulation of high humidity thermal ageing test without obvious cosmetic variation after QUV tests 90kwh/ ㎡
Intensity at least 88N/cm.
The above is only the preferred embodiments of the invention patent, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is done any repairs
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fluororine-carbon coating coating fluid, which is characterized in that the coating fluid include 40%~70% fluorocarbon resin, 20%~
The adhesive force of 40% titanium dioxide, 1%~5% flatting silica, 0.2%~0.8% additive, 1%-5% promotes resin,
3%~10% isocyanates, the total amount of aforementioned raw material are 100%, and aforementioned raw material is dissolved in organic solvent and forms coating fluid,
The solid content of coating fluid is 40%~60%, and the percentage is weight percentage.
2. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that the solid content of the fluororine-carbon coating coating fluid
It is 45~60%.
3. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that the fluorocarbon resin is selected from polyvinylidene fluoride
One of alkene, polyvinyl fluoride, polytetrafluoroethylene (PTFE), polytrifluorochloroethylene or polyhexafluoropropylene or at least two combination.
4. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that the flatting silica is selected from titanium dioxide silicon grain
Son.
5. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that the additive is selected from polyacrylic acid
Ester.
6. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that the adhesive force promotes resin to be selected from heat
Plastic polyurethane resin.
7. fluororine-carbon coating coating fluid according to claim 1, which is characterized in that it is different that the isocyanates is selected from toluene two
Cyanate tripolymer or polymer, hexamethylene diisocyanate trimer or polymer or isoflurane chalcone diisocyanate three
Aggressiveness or polymer.
8. a kind of solar energy backboard, which is characterized in that the solar energy backboard includes fluororine-carbon coating, substrate layer, adhesive layer with
And fluorine film layer.
9. solar energy backboard according to claim 8, which is characterized in that the fluororine-carbon coating by claim 1-7 among
Described in any item coating fluids are coated on substrate and are formed after solidifying.
10. solar energy backboard according to claim 8, which is characterized in that the fluororine-carbon coating with a thickness of 10~20 μm；
The substrate layer with a thickness of 250~300 μm；The adhesive layer with a thickness of 6~10 μm；The fluorine film layer with a thickness of 16
~38 μm.
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| CN112490313A (en) * | 2019-09-11 | 2021-03-12 | 宁波激阳新能源有限公司 | Fluorocarbon coating liquid and transparent solar backboard |
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| CN114656844A (en) * | 2020-12-24 | 2022-06-24 | 宁波激阳新能源有限公司 | Fluorocarbon coating, fluorocarbon coating liquid and transparent solar backboard |
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