CN106366791A - Back board capable of delaying failure in dry and wet alternative environment - Google Patents
Back board capable of delaying failure in dry and wet alternative environment Download PDFInfo
- Publication number
- CN106366791A CN106366791A CN201610748829.9A CN201610748829A CN106366791A CN 106366791 A CN106366791 A CN 106366791A CN 201610748829 A CN201610748829 A CN 201610748829A CN 106366791 A CN106366791 A CN 106366791A
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- parts
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- backboard
- coating
- under dry
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- 238000000576 coating method Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 64
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 229910052731 fluorine Inorganic materials 0.000 claims description 31
- 239000011737 fluorine Substances 0.000 claims description 31
- 229910052799 carbon Inorganic materials 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 29
- 239000012948 isocyanate Substances 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 24
- 150000002513 isocyanates Chemical class 0.000 claims description 23
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 17
- 239000012752 auxiliary agent Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000003085 diluting agent Substances 0.000 claims description 15
- 239000011256 inorganic filler Substances 0.000 claims description 15
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 15
- 239000004645 polyester resin Substances 0.000 claims description 15
- 229920001225 polyester resin Polymers 0.000 claims description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- -1 aliphatic isocyanates Chemical class 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 239000005041 Mylar™ Substances 0.000 claims description 4
- 229920006361 Polyflon Polymers 0.000 claims description 4
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical compound FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 150000002170 ethers Chemical group 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 238000004260 weight control Methods 0.000 claims description 2
- FEGOYKQNJDNMBE-UHFFFAOYSA-N [Si].[C].[F] Chemical compound [Si].[C].[F] FEGOYKQNJDNMBE-UHFFFAOYSA-N 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006482 condensation reaction Methods 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000008961 swelling Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 9
- 239000011247 coating layer Substances 0.000 abstract 3
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000000306 component Substances 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 125000002462 isocyano group Chemical group *[N+]#[C-] 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000003313 weakening effect Effects 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
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2427/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2427/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
-
- 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)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a back board for delaying failure in dry and wet alternative environment. The back board comprises a middle insulating layer, a first weather-proof layer formed on any surface of the middle insulating layer, and a second weather-proof layer formed on the other surface of the middle insulating layer, wherein the first weather-proof layer is an organic silicon-fluorocarbon interpenetrating network coating layer; the second weather-proof layer is a fluorocarbon coating. The first weather-proof layer is the organic silicon-fluorocarbon interpenetrating network coating layer, and the second weather-proof layer is the fluorocarbon coating, as the silicone prepolymer with excellent hydrophobicity is introduced, the organic silicon-fluorocarbon interpenetrating network coating layer can perform condensation reaction, and can be further crosslinked and solidified in a heating condition, so as to form an interpenetrating network coating, the excellent hydrophobicity of organic silicon and the excellent weather resistance of fluorocarbon can be perfectly combined, absorbency swelling of the coating can be weakened, and the probability of foaming and peeling of the coating can be reduced.
Description
Technical field
Solar module part field of the present invention, is related to a kind of backboard and in particular to one kind is in alternation of wetting and drying ring
The backboard losing efficacy can be delayed under border.
Background technology
At present the increasingly depleted of traditional energy and its environmental pollution of being brought promote the mankind to seek reproducible cleaning
The energy.Solar energy is convenient and vigorously advocated and promoted by various countries because having rich reserves, pollution-free, exploitation.Substantial amounts of at present grind
Study carefully the generating efficiency that development is concentrated mainly on raising system, the aspect such as long-term stability of system.Cell piece is as whole
The core component of photovoltaic generating system, its stable operation is the basic of the long-acting operation of whole system.
Backboard is the important protecting component of whole cell piece assembly.Backboard base material one side plays protects cell piece from arriving
The shock of external force, on the other hand slows down steam, ultraviolet, the erosion to cell piece for the oxygen, and then weakens cell piece generating efficiency
Decay, extend the component operation life-span.And base material is mainly by the protection of coating, the particularly protection of external coating.Traditional assembly
It is chronically exposed to open air, such as Gobi desert, seashore, desert, pool, field etc., stand sleet, drying, high temperature, cold replacing for a long time
Circulation test, these extreme environment are higher to the reliability requirement of coating.
Traditional fluorine-containing coat has excellent weatherability, ensure that the assembly use of 25 years ensures, and price is low, often
The shipment rate in year is very high.But in terms of the power station from announcement or distributed component inefficacy case statistical result, based on the inefficacy of backboard
Because accounting is larger, and coating foaming, stripping problem are then larger in backboard inefficacy accounting.Research worker thinks: in alternation of wetting and drying ring
Under border, there are not significant changes in fluororine-carbon coating interior part subchain and functional group's property, and coating failure cause in such circumstances is not
Be coating chemical constitution change caused by.Later stage research is thought and is volatilized during curing of coatings reason due to organic solvent, meeting
Produce micro-pore in the coating.In impregnation stage, the medium such as water and ion can constantly penetrate into painting by coating micropore or defect
Layer is internal, thus opening the passage that coat inside is led in the external world.Coating is swelling due to water sorption generation, leads to coating volume
Increase.When coating leaves solution soaking, after entering drying stage, the solution that accumulates in coating passes through above-mentioned micro channel to big
Gas evaporates.Due to coating moisture evaporation, the coating volume saturation that relatively absorbs water can reduce.Under alternation of wetting and drying circulation, fluorine
The alternation procedure that carbon coating volume experience increases and reduces, promotes increasing and ultimately resulting in coating and matrix attachment of micropore
Insist on continuous reduction.When coating sample is in impregnation stage, due to coating inside and outside under there is permeable pressure head so that electrolyte solution
Constantly penetrate under coating, lead to coating to produce irregular foaming.Meanwhile, corrosive ion constantly reaches base material by micropore,
Coating is caused to be peeling.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art and providing one kind can delay under dry wet alternating environment
The backboard losing efficacy.
For reaching above-mentioned purpose, the technical solution used in the present invention is: one kind can delay to lose under dry wet alternating environment
The backboard of effect, it includes intermediate insulating layer, the first weathering layer being formed at described intermediate insulating layer any surface and is formed at
Second weathering layer on another surface of described intermediate insulating layer, described first weathering layer is organosilicon-fluorine carbon interpenetrating networks dope layer,
Described second weathering layer is fluororine-carbon coating.
Optimally, the composition of raw materials of described organosilicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight:
30～60 parts of fluorine resin,
5～15 parts of organosilicon performed polymer,
10～30 parts of polyester resin,
5～20 parts of inorganic filler,
1～5 part of auxiliary agent,
10～50 parts of diluent,
10～30 parts of isocyanate curing agent.
Further, the molecular weight control of described organosilicon performed polymer is described organosilicon performed polymer pair for 10,000～80,000, r
Answer the alkyl number in monomer structure formula, then r/si is 1.3～1.7.
Further, the corresponding monomer of described organosilicon performed polymer is ch3sicl3With (c6h5ch2)2sicl2Mixture.
Further, described fluororine-carbon coating composition of raw materials includes the component of following parts by weight:
25～55 parts of fluorine resin,
10～30 parts of polyester resin,
5～20 parts of inorganic filler,
1～5 part of auxiliary agent,
10～30 parts of diluent,
10～30 parts of isocyanate curing agent.
Further, described fluorine resin be polyflon with hydroxyl, daiflon and poly-
The mixture of one or more of pvdf resin composition, described polyester resin is that the straight chain saturation containing fragrant hydrocarbon structure is gathered
Ester resin.
Further, described inorganic filler is one or more of titanium dioxide, white carbon black, copper-chrome black and fine silica powder
Composition mixture, described auxiliary agent is that one or more of dispersant, levelling agent, defoamer, polymerization inhibitor and catalyst composition is mixed
Compound, described diluent is non-alcohols organic solvent, and described isocyanate curing agent is many arm type isocyanates.
Further, described diluent is ethers, ketone or esters, and described isocyanate curing agent is aliphatic Carbimide.
The mixture of one or more in ester firming agent, aromatic isocyanate firming agent and Blocked Isocyanate Curing Agents.
Optimally, described first weathering layer is dumb light type, and glossiness is below 40；Described second weathering layer is highlight type,
Glossiness is more than 70；The thickness of described first weathering layer is 10～30 μm, and the thickness of described intermediate insulating layer is 125～400 μ
M, the thickness of described second weathering layer is 5～20 μm.
Optimally, described intermediate insulating layer is mylar, polyamide film or Kapton
Because technique scheme is used, the present invention compared with prior art has the advantage that the present invention hands in dry and wet
For delaying the backboard that lost efficacy under environment, the first weathering layer of employing is organosilicon-fluorine carbon interpenetrating networks dope layer, second resistance to
Time layer is fluororine-carbon coating, and organosilicon-fluorine carbon interpenetrating networks dope layer has excellent hydrophobic organosilicon performed polymer due to introducing,
Can occur under room temperature can form interpenetrating networks coating by crosslinking curing further under condensation reaction, heating condition, so permissible
By weatherability perfect adaptation excellent with fluorine carbon for hydrophobicity excellent for organosilicon, thus weakening coating imbibition can reduce painting
Layer bubbles, peels off odds.
Brief description
Accompanying drawing 1 can delay the structural representation of the backboard of inefficacy under dry wet alternating environment for the present invention；
Wherein, the 1, first weathering layer；2nd, intermediate insulating layer；3rd, the second weathering layer.
Specific embodiment
The present invention can delay the backboard losing efficacy under dry wet alternating environment, it include intermediate insulating layer, be formed at described
First weathering layer of intermediate insulating layer any surface and the second weathering layer being formed at another surface of described intermediate insulating layer, institute
Stating the first weathering layer is organosilicon-fluorine carbon interpenetrating networks dope layer, and described second weathering layer is fluororine-carbon coating.
The composition of raw materials of described organosilicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight: fluorine-containing tree
30～60 parts of fat, 5～15 parts of organosilicon performed polymer, 10～30 parts of polyester resin, 5～20 parts of inorganic filler, 1～5 part of auxiliary agent, dilute
Release 10～50 parts of agent, 10～30 parts of isocyanate curing agent.The corresponding monomer of described organosilicon performed polymer is preferably ch3sicl3With
(c6h5ch2)2sicl2Mixture.This is because introduce that in the formula of the first weathering layer there is excellent hydrophobic organosilicon
Performed polymer, can occur under room temperature under condensation reaction, heating condition can further crosslinking curing and form space net structure；
Fluorocarbon resin is linear polymer, and organosilicon performed polymer and fluorocarbon resin, by cold spelling, add firming agent, thus spatial networks have
On hydroxyl on machine silicon chain (producing hydroxyl after hydrolysis) and fluorine carbon molecule straight chain, hydroxyl can be reacted with isocyano, different resins chain
Upper hydroxyl also can be subject to heat cross-linking, and forms interpenetrating networks coating, so can be excellent with fluorine carbon by hydrophobicity excellent for organosilicon
Weatherability further combined with.Organic siliconresin r/si value can significantly affect the attribute of resin；R/si value is less, resin solidification temperature
Spend lower, coating embrittlement, curing rate is bigger, therefore preferably uses hydroxy-end capped organosilicon performed polymer, this performed polymer by
ch3si(oh)3With (c6h5ch2)2si(oh)2(by ch3sicl3With (c6h5ch2)2sicl2Hydrolysis obtain) lightly crosslinked form, point
Son amount controls 10,000～80,000；Methyl provides excellent hydrophobicity, and phenyl is obviously improved the phase of organic siliconresin and fluorocarbon resin
Capacitive, the presence of ethylidene can increase spatial volume and the angle that phenyl rotates freely, and the hydrogen atom of hydroxyl is former with the hydrogen of water
Son mutually exclusive, hydrone be difficult to close with hydrophilic oxygen atom, thus further improve hydrophobic effect, significantly improve coating
Hydrophobicity.It is reduced to less than 200 DEG C for guarantee organic siliconresin solidification temperature, solidification can complete in several minutes, and coating is soft
Toughness is good, and the r/si of organosilicon performed polymer controls that (r is in the corresponding monomer structure formula of described organosilicon performed polymer 1.3～1.7
Alkyl number, r/si is the quantity ratio of alkyl and silicon atom).
The composition of raw materials of described fluororine-carbon coating includes the component of following parts by weight: 25～55 parts of fluorine resin, polyester tree
10～30 parts of fat, 5～20 parts of inorganic filler, 1～5 part of auxiliary agent, 10～30 parts of diluent, 10～30 parts of isocyanate curing agent.
Raw material type in this fluororine-carbon coating and above-mentioned organosilicon-fluorine carbon interpenetrating networks dope layer is basically identical, is preferably as follows: described contains
Fluororesin is the fluoropolymer of hydroxyl, such as polyflon, daiflon, polyvinylidene fluoride resin and
The mixture of one or more compositions in polyfluoroethylene resin, described polyester resin is the straight chain saturated polyester containing fragrant hydrocarbon structure
Resin, described inorganic filler is one or more of titanium dioxide, white carbon black, copper-chrome black and fine silica powder composition mixture,
Described auxiliary agent is one or more of dispersant, levelling agent, defoamer, polymerization inhibitor and catalyst composition mixture；Described dilute
Releasing agent is non-alcohols organic solvent, such as ethers, ketone or esters；Described isocyanate curing agent is many arm type isocyanates；As
In aliphatic isocyanates firming agent, aromatic isocyanate firming agent and Blocked Isocyanate Curing Agents one or more
Mixture.
Described first weathering layer 1 is dumb light type, and glossiness is below 40；Described second weathering layer 3 is highlight type, glossiness
For more than 70；The thickness of described first weathering layer 1 is 10～30 μm, and the thickness of described intermediate insulating layer 2 is 125～400 μm, institute
The thickness stating the second weathering layer 3 is 5～20 μm.Described intermediate insulating layer is that mylar, polyamide film or polyimides are thin
Film.
Below in conjunction with by specific embodiment, the present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of backboard that can delay under dry wet alternating environment and lose efficacy, as shown in figure 1, during it includes
Between insulating barrier 2, the of the first weathering layer 1 of insulating barrier formed between 2 upper surface and insulating barrier formed between 2 lower surface
Two weathering layers 3, the first weathering layer 1 is organosilicon-fluorine carbon interpenetrating networks dope layer, and the second weathering layer 3 is fluororine-carbon coating.This backboard
By coating corresponding coating (before coating through modes such as spraying, dipping, roller coat, blade coatings on two surfaces of intermediate insulating layer 2
Sided corona treatment is done to intermediate insulating layer 2), after below 200 DEG C baking (ultraviolet or infrared etc.) solidification form.First weathering layer 1
For dumb light type, glossiness is below 40；Second weathering layer 3 is highlight type, and glossiness is more than 70；The thickness of the first weathering layer 1
For 10 μm, the thickness of described intermediate insulating layer 2 (mylar material) is 125 μm, and the thickness of the second weathering layer 3 is 5 μm of (each layers
Thickness generally impact is not constituted on the performance of backboard).
The raw material of organosilicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight: 30 parts of fluorine resin, has
15 parts of machine silicon performed polymer, 30 parts of polyester resin, 20 parts of inorganic filler, 5 parts of auxiliary agent, 50 parts of diluent and isocyanate curing agent 30
Part；The raw material of fluororine-carbon coating includes the component of following parts by weight: 25 parts of fluorine resin, 30 parts of polyester resin, inorganic filler 20
Part, 5 parts of auxiliary agent, 30 parts of diluent, 30 parts of isocyanate curing agent；Fluorine resin is the polyflon of hydroxyl；Poly-
Within 20,000, hydroxyl value is 20～30 to the molecular weight of ester resin, within acid number is 2；Inorganic filler is titanium dioxide；Auxiliary agent is levelling
The mixture that 1:1 forms pressed by agent and defoamer；Diluent is acetone；Isocyanate curing agent is the desmodur system of Beyer Co., Ltd
Row.The reaction monomers of organosilicon performed polymer are ch3sicl3With (c6h5ch2)2sicl2By the mixture of 1:1 composition, molecular weight is 1
Ten thousand.
Embodiment 2
The present embodiment provides a kind of backboard, its preparation method and embodiment that can delay under dry wet alternating environment and lose efficacy
Consistent in 1, except for the difference that, the raw material of organosilicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight: fluorine-containing
60 parts of resin, 5 parts of organosilicon performed polymer, 10 parts of polyester resin, 5 parts of inorganic filler, 1 part of auxiliary agent, 10 parts of diluent, isocyanates
10 parts of firming agent；The raw material of fluororine-carbon coating includes the component of following parts by weight: 55 parts of fluorine resin, 10 parts of polyester resin, no
5 parts of machine filler, 1 part of auxiliary agent, 10 parts of diluent, 10 parts of isocyanate curing agent.
Embodiment 3
The present embodiment provides a kind of backboard, its preparation method and embodiment that can delay under dry wet alternating environment and lose efficacy
Consistent in 1, except for the difference that, the raw material of organosilicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight: fluorine-containing
50 parts of resin, 10 parts of organosilicon performed polymer, 20 parts of polyester resin, 15 parts of inorganic filler, 2 parts of auxiliary agent, 20 parts of diluent, Carbimide.
20 parts of ester firming agent；The raw material of fluororine-carbon coating includes the component of following parts by weight: 50 parts of fluorine resin, 20 parts of polyester resin,
15 parts of inorganic filler, 2 parts of auxiliary agent, 20 parts of diluent, 20 parts of isocyanate curing agent.In this embodiment, organosilicon-fluorine carbon IPN
The raw material of the raw material of network dope layer and fluororine-carbon coating removes organosilicon performed polymer 10 especially, and remaining is consistent, therefore can first press
Formula prepares the mixed slurry of fluororine-carbon coating raw material, with rear portion be used for coating formed fluororine-carbon coating, another part with organic
It is being coated after the modulation of silicon performed polymer.
Comparative example 1
This example main contrast at present in a application type backboard a and embodiment 1/2/3 sample coating hydrophobic performance.I
The main hydrophobic performance investigating coating in terms of two.First, the static contact angle to water for the coating；Second, primary coat is inhaled
Water rate processes the water absorption rate of coating with hydrothermal aging.
Coating adopts the jc2000c1 type of Shanghai Zhongchen digital technology equipment Co., Ltd to the static contact angle test of water
Contact angle measurement, drop size is 5 μ l.A at present application type backboard a that this experiment is taken, coating with the contact angle of water is
99.8 °, and embodiment 1/2/3 sample makes to obtain with the contact angle of water because of the coating introducing organosilicon-fluorine carbon inierpeneirating network structure
To significantly increasing, it is respectively 116.8 °, 112.3 °, 117.7 ° with water contact angle, shows more excellent hydrophobicity.
With regard to coating water absorption rate, measure with reference to gb/t 1738-1979 " insullac paint film water absorption rate algoscopy ", will prepare
Coating be soaked at normal temperatures in 25 ± 1 DEG C of deionized waters.Soak 48 hours, with tweezers, sample is taken out, use rapidly filter paper
Blot coating surface moisture, weigh.Water absorption rate (w)=(m2-m1)/m1× 100%.Wherein, m1For Front-coating mirror quality of soaking, m2For
Coating quality after immersion.Respectively by two samples through 85 DEG C of temperature, humidity 85% burin-in process.Sample tests by contrast
Know, the hydrothermal aging Front-coating mirror water absorption rate of 1600 hours assumes quick increase, then increasess slowly afterwards.Embodiment 2 sample absorbs water
Rate is less than the water absorption rate increasing degree of a coated product a at present, as shown in the table:
Sample coatings water absorption rate after the process of table 1 hydrothermal aging.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention
Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.
Claims (10)
1. a kind of can delay under dry wet alternating environment lost efficacy backboard, it include intermediate insulating layer (2), be formed at described in
Between first weathering layer (1) of insulating barrier (2) any surface and be formed at the second resistance to of another surface of described intermediate insulating layer (2)
Wait layer (3) it is characterised in that: described first weathering layer (1) be organosilicon-fluorine carbon interpenetrating networks dope layer, described second is weather-proof
Layer (3) is fluororine-carbon coating.
2. the backboard losing efficacy can be delayed according to claim 1 under dry wet alternating environment it is characterised in that described organic
The composition of raw materials of silicon-fluorine carbon interpenetrating networks dope layer includes the component of following parts by weight:
30～60 parts of fluorine resin,
5～15 parts of organosilicon performed polymer,
10～30 parts of polyester resin,
5～20 parts of inorganic filler,
1～5 part of auxiliary agent,
10～50 parts of diluent,
10～30 parts of isocyanate curing agent.
3. according to claim 2 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described organic
The molecular weight control of silicon performed polymer is the alkyl number that 10,000～80,000, r is in the corresponding monomer structure formula of described organosilicon performed polymer, then
R/si is 1.3～1.7.
4. according to claim 3 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described organic
The corresponding monomer of silicon performed polymer is ch3sicl3With (c6h5ch2)2sicl2Mixture.
5. the backboard losing efficacy can be delayed according to claim 2 under dry wet alternating environment it is characterised in that described fluorine carbon
Coating raw materials formula includes the component of following parts by weight:
25～55 parts of fluorine resin,
10～30 parts of polyester resin,
5～20 parts of inorganic filler,
1～5 part of auxiliary agent,
10～30 parts of diluent,
10～30 parts of isocyanate curing agent.
6. according to claim 5 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described fluorine-containing
Resin is polyflon with hydroxyl, one or more of daiflon and polyvinylidene fluoride resin
The mixture of composition, described polyester resin is the straight chain saturated polyester resin containing fragrant hydrocarbon structure.
7. according to claim 5 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described inorganic
Filler is one or more of titanium dioxide, white carbon black, copper-chrome black and fine silica powder composition mixture, and described auxiliary agent is dispersion
One or more of agent, levelling agent, defoamer, polymerization inhibitor and catalyst composition mixture, described diluent has for non-alcohols
Machine solvent, described isocyanate curing agent is many arm type isocyanates.
8. according to claim 7 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described dilution
Agent is ethers, ketone or esters, and described isocyanate curing agent is aliphatic isocyanates firming agent, aromatic isocyanate is solid
The mixture of one or more in agent and Blocked Isocyanate Curing Agents.
9. according to claim 1 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: described first
Weathering layer (1) is dumb light type, and glossiness is below 40；Described second weathering layer (3) is highlight type, and glossiness is more than 70；Institute
The thickness stating the first weathering layer (1) is 10～30 μm, and the thickness of described intermediate insulating layer (2) is 125～400 μm, described second
The thickness of weathering layer (3) is 5～20 μm.
10. according to claim 1 can delay under dry wet alternating environment lost efficacy backboard it is characterised in that: in described
Between insulating barrier (2) be mylar, polyamide film or Kapton.
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