CN104356560A - Fluorocarbon coating layer for solar cell backplane and preparation method of coating layer - Google Patents
Fluorocarbon coating layer for solar cell backplane and preparation method of coating layer Download PDFInfo
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- CN104356560A CN104356560A CN201410576670.8A CN201410576670A CN104356560A CN 104356560 A CN104356560 A CN 104356560A CN 201410576670 A CN201410576670 A CN 201410576670A CN 104356560 A CN104356560 A CN 104356560A
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- solar cell
- fluororine
- cell backboard
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000011247 coating layer Substances 0.000 title abstract 6
- 239000011248 coating agent Substances 0.000 claims abstract description 42
- 238000000576 coating method Methods 0.000 claims abstract description 42
- -1 methyl tetrahydrofurfuryl Chemical group 0.000 claims abstract description 32
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 25
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 25
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000292 calcium oxide Substances 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- OOJBEQBXIJTMIN-UHFFFAOYSA-N europium 1,1,1-trifluoropentane-2,4-dione Chemical compound FC(C(=O)CC(C)=O)(F)F.[Eu] OOJBEQBXIJTMIN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000005453 pelletization Methods 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 239000013543 active substance Substances 0.000 claims description 23
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 16
- LCXXNKZQVOXMEH-UHFFFAOYSA-N Tetrahydrofurfuryl methacrylate Chemical compound CC(=C)C(=O)OCC1CCCO1 LCXXNKZQVOXMEH-UHFFFAOYSA-N 0.000 claims description 16
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 16
- 229910052708 sodium Inorganic materials 0.000 claims description 16
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- KLLLJCACIRKBDT-UHFFFAOYSA-N 2-phenyl-1H-indole Chemical compound N1C2=CC=CC=C2C=C1C1=CC=CC=C1 KLLLJCACIRKBDT-UHFFFAOYSA-N 0.000 claims description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 5
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 claims description 4
- PMYUVOOOQDGQNW-UHFFFAOYSA-N hexasodium;trioxido(trioxidosilyloxy)silane Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-] PMYUVOOOQDGQNW-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229960003237 betaine Drugs 0.000 claims description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- UBKFPLWYRSWYGI-UHFFFAOYSA-N S(=O)(=O)(O)C(C(=O)OC(C(CCCCCCCCCC)S(=O)(=O)O)=O)CCCCCCCCCC Chemical compound S(=O)(=O)(O)C(C(=O)OC(C(CCCCCCCCCC)S(=O)(=O)O)=O)CCCCCCCCCC UBKFPLWYRSWYGI-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- XGRSAFKZAGGXJV-UHFFFAOYSA-N 3-azaniumyl-3-cyclohexylpropanoate Chemical compound OC(=O)CC(N)C1CCCCC1 XGRSAFKZAGGXJV-UHFFFAOYSA-N 0.000 abstract 2
- KTLFENNEPHBKJD-UHFFFAOYSA-K benzyl(trimethyl)azanium;tribromide Chemical compound [Br-].[Br-].[Br-].C[N+](C)(C)CC1=CC=CC=C1.C[N+](C)(C)CC1=CC=CC=C1.C[N+](C)(C)CC1=CC=CC=C1 KTLFENNEPHBKJD-UHFFFAOYSA-K 0.000 abstract 2
- 229960004711 sodium monofluorophosphate Drugs 0.000 abstract 2
- 239000003381 stabilizer Substances 0.000 abstract 2
- 239000004094 surface-active agent Substances 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 229920002799 BoPET Polymers 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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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
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions 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; Compositions of 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- 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
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- 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
- C09D7/63—Additives non-macromolecular organic
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- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
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- Inorganic Chemistry (AREA)
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a fluorocarbon coating layer for a solar cell backplane and a preparation method of the coating layer. The fluorocarbon coating layer for the solar cell backplane is prepared from the following constituents in parts by weight: 30-80 parts of europium trifluoroacetylacetone, 100-200 parts of fluorocarbon resin, 150-200 parts of sodium monofluorophosphate, 40-80 parts of calcium oxide, 80-150 parts of benzyl trimethyl ammonium tribromide, 60 to 100 parts of methyl tetrahydrofurfuryl acrylate, 40- 80 parts of polyisobutylene, 20-50 parts of silicate, 30-70 parts of a stabilizer, and 45 to 55 parts of a surfactant, and prepared by the following steps: uniformly mixing europium trifluoroacetylacetone, fluorocarbon resin, sodium monofluorophosphate, calcium oxide, methyl tetrahydrofurfuryl acrylate, polyisobutylene, silicate, the stabilizer and the surfactant, heating the mixture to 400-600 DEG C, extruding and pelletizing, adding benzyl trimethyl ammonium tribromide, uniformly mixing, and stretching to form film. The fluorocarbon coating layer disclosed by the invention can remarkably lower the coating pressure, so as to reduce the production cost.
Description
Technical field
The present invention relates to solar cell backboard field, particularly relate to a kind of fluororine-carbon coating for solar cell backboard and preparation method thereof.
Background technology
Sun power backboard is positioned at the back side of solar panel, plays protection and supporting role, have reliable insulativity, water preventing ability, ageing resistance to cell piece.Generally have three-decker, outer protective layer has good environment resistant erosional competency.
Application number is 201110385024X, and the Chinese patent application that name is called " a kind of solar cell backboard and production technique thereof " discloses a kind of solar cell backboard and production technique thereof, and this technique comprises the following steps: (1) corona treatment PET film; (2) with the KS06 glue preparation tackiness agent of luxuriant and rich with fragrance chemical limited-liability company of section; (3) at the wherein coated on one side tackiness agent of PET film; (4) tackiness agent is dried; (5) the adhesive coated face of pressing PET film and pvdf membrane under hot pressing state; (6) repeating step (3) ~ (5), the another side coating adhesive of PET film, drying, with pvdf membrane pressing; (7) the good solar cell backboard of pressing is solidified.It is transparent attractive in appearance that the solar cell backboard obtained is produced in this invention, electrical insulation properties, hydrolysis aging resistance, dimensional stability, obstruct water vapour performance, tensile property and anti-ultraviolet property are outstanding, in conjunction with close and firm between backboard inner. layers and between backboard and solar battery sheet encapsulating material EVA, extend the work-ing life of backboard.Although the method can obtain the good solar cell backboard of various aspects of performance, in order to improve its viscosifying power in preparation process, the coating pressure of employing is comparatively large, to the requirement also corresponding raising of coating apparatus.
Application number is 2012100521480, name is called that the Chinese patent application of " polyvinylidene difluoride film of solar cell backboard and manufacture method thereof " discloses a kind of polyvinylidene difluoride (PVDF) (PVDF) film and manufacture method thereof of solar cell backboard, and this polyvinylidene difluoride film comprises trilamellar membrane layer; Wherein, skin is formed by following composition: the polyvinylidene fluoride resin of 90%-100% and the titanium dioxide of 0%-10% and/or carbon black; Sandwich layer is formed by following composition: the dispersion agent of the polyvinylidene fluoride resin of 50%-99%, the titanium dioxide of 1%-30% and/or carbon black and 0%-50%; Internal layer is formed by following composition: the polyvinylidene fluoride resin of 90%-100% and the titanium dioxide of 0%-10% and/or carbon black.The polyvinylidene difluoride film of this invention both had good barrier property to steam, had higher bridging effect again to ultraviolet, and the manufacturing process of this invention is relatively simple, and the quality stability of gained film is high.This method provide that a kind of surface energy is higher, the film of stable performance, but in preparation process, still need larger coating pressure, its adhesive property of guarantee reaches the standard of sun power backboard.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of fluororine-carbon coating for solar cell backboard and preparation method thereof, the coating pressure for the fluororine-carbon coating of solar cell backboard is little.
The present invention is by the following technical solutions:
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 30 ~ 80 parts, fluorocarbon resin 100 ~ 200 parts, sodium monoflurophosphate 150 ~ 200 parts, 40 ~ 80 parts, calcium oxide, benzyl trimethyl tribromide ammonium 80 ~ 150 parts, THFMA 60 ~ 100 parts, polyisobutene 40 ~ 80 parts, silicate 20 ~ 50 parts, stablizer 30 ~ 70 parts, 45 ~ 55 parts, tensio-active agent.
As to further improvement of the present invention, comprise the component of following parts by weight: trifluoroacetylacetone europium 60 parts, fluorocarbon resin 150 parts, sodium monoflurophosphate 180 parts, 60 parts, calcium oxide, benzyl trimethyl tribromide ammonium 100 parts, THFMA 80 parts, polyisobutene 60 parts, silicate 30 parts, stablizer 40 parts, 50 parts, tensio-active agent.
As to further improvement of the present invention, the particle diameter of calcium oxide is 20 ~ 50 μm.
As to further improvement of the present invention, the molecular weight of polyisobutene is 2000 ~ 3000.
As to further improvement of the present invention, silicate is Starso or sodium disilicate.
As to further improvement of the present invention, stablizer is the mixture of one or more in diphenyl thiourea, 2-Phenylindole, TriMethylolPropane(TMP), sulfo-lauric anhydride.
As to further improvement of the present invention, tensio-active agent is the mixture of one or more in alkyl dimethyl betaine, alkyl dimethyl sulfoethyl trimethyl-glycine, alkyl dimethyl azochlorosulfonate propyl lycine, alkyl dimethyl Hydroxypropyl phosphate fat trimethyl-glycine.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 400 ~ 600 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
As to further improvement of the present invention, step (1) is heated to 500 DEG C.
As to further improvement of the present invention, first longitudinal stretching when step (3) stretches, then cross directional stretch.
Principle: adding of trifluoroacetylacetone europium can improve the intermolecular surface energy of fluorine carbon, keeps stripping strength constant, reduces production cost while reducing coating pressure.
beneficial effect
Stripping strength of the present invention is 54 ~ 56N/cm, illustrate that coating of the present invention can improve the binding strength with backboard, and compared with the coating pressure of prior art 90 ~ 100MPa, embodiment obviously can reduce coating pressure, thus reduces production cost.
Embodiment
Below by specific embodiment, the present invention is further described in detail, but is not limited to this.
embodiment 1
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 60 parts, fluorocarbon resin 150 parts, sodium monoflurophosphate 180 parts, 60 parts, calcium oxide, benzyl trimethyl tribromide ammonium 100 parts, THFMA 80 parts, polyisobutene 60 parts, silicate 30 parts, stablizer 40 parts, 50 parts, tensio-active agent.
The particle diameter of calcium oxide is 35 μm.
The molecular weight of polyisobutene is 2500.
Silicate is Starso.
Diphenyl thiourea, 2-Phenylindole, the TriMethylolPropane(TMP) of stablizer to be mass ratio be 1:2:1.
Alkyl dimethyl betaine, alkyl dimethyl sulfoethyl trimethyl-glycine, the alkyl dimethyl azochlorosulfonate propyl lycine of tensio-active agent to be mass ratio be 2:3:1.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 500 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
First longitudinal stretching when step (3) stretches, then cross directional stretch.
embodiment 2
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 30 parts, fluorocarbon resin 100 parts, sodium monoflurophosphate 150 parts, 40 parts, calcium oxide, benzyl trimethyl tribromide ammonium 80 ~ part, THFMA 60 parts, polyisobutene 40 parts, silicate 20 parts, stablizer 30 parts, 45 parts, tensio-active agent.
The particle diameter of calcium oxide is 20 μm.
The molecular weight of polyisobutene is 2000.
Silicate is Starso.
Stablizer is diphenyl thiourea.
Alkyl dimethyl sulfoethyl trimethyl-glycine, alkyl dimethyl azochlorosulfonate propyl lycine, the alkyl dimethyl Hydroxypropyl phosphate fat trimethyl-glycine of tensio-active agent to be mass ratio be 1:2:1.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 400 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
First longitudinal stretching when step (3) stretches, then cross directional stretch.
embodiment 3
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 80 parts, fluorocarbon resin 200 parts, sodium monoflurophosphate 200 parts, 80 parts, calcium oxide, benzyl trimethyl tribromide ammonium 150 parts, THFMA 100 parts, polyisobutene 80 parts, silicate 50 parts, stablizer 70 parts, 55 parts, tensio-active agent.
The particle diameter of calcium oxide is 50 μm.
The molecular weight of polyisobutene is 3000.
Silicate is sodium disilicate.
Stablizer is 2-Phenylindole and the TriMethylolPropane(TMP) of mass ratio 1:3.
Tensio-active agent is alkyl dimethyl Hydroxypropyl phosphate fat trimethyl-glycine.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 600 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
First longitudinal stretching when step (3) stretches, then cross directional stretch.
embodiment 4
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 40 parts, fluorocarbon resin 120 parts, sodium monoflurophosphate 160 parts, 50 parts, calcium oxide, benzyl trimethyl tribromide ammonium 90 parts, THFMA 70 parts, polyisobutene 50 parts, silicate 30 parts, stablizer 40 parts, 48 parts, tensio-active agent.
The particle diameter of calcium oxide is 30 μm.
The molecular weight of polyisobutene is 2300.
Silicate is Starso.
Stablizer is TriMethylolPropane(TMP).
Tensio-active agent is alkyl dimethyl sulfoethyl trimethyl-glycine.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 450 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
First longitudinal stretching when step (3) stretches, then cross directional stretch.
embodiment 5
For the fluororine-carbon coating of solar cell backboard, comprise the component of following parts by weight: trifluoroacetylacetone europium 70 parts, fluorocarbon resin 120 parts, sodium monoflurophosphate 160 parts, 50 parts, calcium oxide, benzyl trimethyl tribromide ammonium 90 parts, THFMA 90 parts, polyisobutene 70 parts, silicate 40 parts, stablizer 60 parts, 50 parts, tensio-active agent.
The particle diameter of calcium oxide is 45 μm.
The molecular weight of polyisobutene is 2800.
Silicate is sodium disilicate.
Stablizer is 2-Phenylindole.
Tensio-active agent is alkyl dimethyl azochlorosulfonate propyl lycine.
The preparation method of the above-mentioned fluororine-carbon coating for solar cell backboard, comprises the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 550 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
First longitudinal stretching when step (3) stretches, then cross directional stretch.
comparative example 1
Identical with embodiment 1, difference is: not containing trifluoroacetylacetone europium in composition.
performance test
To the coating applications of embodiment and comparative example on the base material of solar cell backboard, coating pressure is 10 ~ 20MPa, carries out performance test, the results are shown in Table 1.
Stripping strength: unit: N/cm.Examination criteria: ASTM D-1876 180 ° of Peel.
Table 1
| Stripping strength | |
| Comparative example 1 | 42 |
| Embodiment 1 | 56 |
| Embodiment 2 | 55 |
| Embodiment 3 | 53 |
| Embodiment 4 | 56 |
| Embodiment 5 | 54 |
Conclusion: the stripping strength of comparative example 1 coating and base material is 42N/cm, the stripping strength of embodiment is 54 ~ 56N/cm.Illustrate that coating of the present invention can improve the binding strength with backboard, and compared with the coating pressure of prior art 90 ~ 100MPa, embodiment obviously can reduce coating pressure, thus reduce production cost.
Claims (10)
1. for the fluororine-carbon coating of solar cell backboard, it is characterized in that, comprise the component of following parts by weight: trifluoroacetylacetone europium 30 ~ 80 parts, fluorocarbon resin 100 ~ 200 parts, sodium monoflurophosphate 150 ~ 200 parts, 40 ~ 80 parts, calcium oxide, benzyl trimethyl tribromide ammonium 80 ~ 150 parts, THFMA 60 ~ 100 parts, polyisobutene 40 ~ 80 parts, silicate 20 ~ 50 parts, stablizer 30 ~ 70 parts, 45 ~ 55 parts, tensio-active agent.
2. the fluororine-carbon coating for solar cell backboard according to claim 1, it is characterized in that, comprise the component of following parts by weight: trifluoroacetylacetone europium 60 parts, fluorocarbon resin 150 parts, sodium monoflurophosphate 180 parts, 60 parts, calcium oxide, benzyl trimethyl tribromide ammonium 100 parts, THFMA 80 parts, polyisobutene 60 parts, silicate 30 parts, stablizer 40 parts, 50 parts, tensio-active agent.
3. the fluororine-carbon coating for solar cell backboard according to claim 1, is characterized in that, the particle diameter of calcium oxide is 20 ~ 50 μm.
4. the fluororine-carbon coating for solar cell backboard according to claim 1, is characterized in that, the molecular weight of polyisobutene is 2000 ~ 3000.
5. the fluororine-carbon coating for solar cell backboard according to claim 1, is characterized in that, silicate is Starso or sodium disilicate.
6. the fluororine-carbon coating for solar cell backboard according to claim 1, is characterized in that, stablizer is the mixture of one or more in diphenyl thiourea, 2-Phenylindole, TriMethylolPropane(TMP), sulfo-lauric anhydride.
7. the fluororine-carbon coating for solar cell backboard according to claim 1, it is characterized in that, tensio-active agent is the mixture of one or more in alkyl dimethyl betaine, alkyl dimethyl sulfoethyl trimethyl-glycine, alkyl dimethyl azochlorosulfonate propyl lycine, alkyl dimethyl Hydroxypropyl phosphate fat trimethyl-glycine.
8., based on the preparation method of the fluororine-carbon coating for solar cell backboard according to claim 1, it is characterized in that, comprise the following steps:
(1) trifluoroacetylacetone europium, fluorocarbon resin, sodium monoflurophosphate, calcium oxide, THFMA, polyisobutene, silicate, stablizer, tensio-active agent are mixed, be heated to 400 ~ 600 DEG C, extruding pelletization;
(2) add benzyl trimethyl tribromide ammonium, mix;
(3) stretching film forming.
9. the preparation method of the fluororine-carbon coating for solar cell backboard according to claim 8, is characterized in that, step (1) is heated to 500 DEG C.
10. the preparation method of the fluororine-carbon coating for solar cell backboard according to claim 8, is characterized in that, first longitudinal stretching when step (3) stretches, then cross directional stretch.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106206842A (en) * | 2016-07-26 | 2016-12-07 | 无锡中洁能源技术有限公司 | A kind of production technology of high-insulativity solar cell backboard |
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