CN109994566A - Solar energy backboard membrane and preparation method thereof - Google Patents
Solar energy backboard membrane and preparation method thereof Download PDFInfo
- Publication number
- CN109994566A CN109994566A CN201711465788.3A CN201711465788A CN109994566A CN 109994566 A CN109994566 A CN 109994566A CN 201711465788 A CN201711465788 A CN 201711465788A CN 109994566 A CN109994566 A CN 109994566A
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- China
- Prior art keywords
- layer
- solar energy
- backboard membrane
- resin
- mass percent
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- 239000012528 membrane Substances 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 68
- 239000011347 resin Substances 0.000 claims abstract description 68
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 32
- 239000011737 fluorine Substances 0.000 claims abstract description 32
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 29
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- -1 polyethylene terephthalate Polymers 0.000 claims description 26
- 239000002105 nanoparticle Substances 0.000 claims description 18
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 13
- 230000000655 anti-hydrolysis Effects 0.000 claims description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 12
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920001225 polyester resin Polymers 0.000 claims description 8
- 239000004645 polyester resin Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 150000003918 triazines Chemical class 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 150000008360 acrylonitriles Chemical class 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 1
- GVINIKRAUKVLRA-UHFFFAOYSA-N ethane-1,2-diol;naphthalene-1,2-dicarboxylic acid Chemical compound OCCO.C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 GVINIKRAUKVLRA-UHFFFAOYSA-N 0.000 claims 1
- 235000019253 formic acid Nutrition 0.000 claims 1
- 229960001860 salicylate Drugs 0.000 claims 1
- 150000003873 salicylate salts Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 description 143
- 239000000463 material Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 230000002596 correlated effect Effects 0.000 description 8
- 150000001718 carbodiimides Chemical class 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 5
- 239000011112 polyethylene naphthalate Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229920006267 polyester film Polymers 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910052809 inorganic oxide Inorganic materials 0.000 description 3
- 150000003902 salicylic acid esters Chemical group 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910003978 SiClx Inorganic materials 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000005340 laminated glass Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000005487 naphthalate group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of solar energy backboard membrane; with multilayered structure; including first layer, the second layer and third layer; first layer, third layer are located at the two sides of the second layer; the component of first layer and third layer includes not fluorine resin and uvioresistant auxiliary agent; and multilayered structure is prepared by multi-layer co-extruded technique, has not only been had good weatherability but also can have been protected environment, and preparation process is simple.
Description
Technical field
The present invention relates to solar components fields, more particularly to a kind of solar energy backboard membrane and preparation method thereof.
Background technique
Solar energy is the optimal selection for replacing traditional thermal power generation as a kind of environmentally protective, inexhaustible energy.And
Important component-solar battery apparatus of solar components the most, is often installed on outdoor, often will appear due to height
The problems such as aging of product caused by the reasons such as temperature, ultraviolet light, wind and rain, generating efficiency is low.The invention of solar cell backboard, can
Will wrap up on the inside of solar battery as layer protecting film, the service life of solar battery is greatly prolonged.
Since solar energy backboard membrane is located at the back side of solar panel, play the role of support and protection cell piece, this
Require backboard membrane that there is reliable insulating properties, water vapor barrier property and anti-aging property.The solar energy backboard membrane in China uses more
Fluoropolymer backboard, such as KPK, KPE or KPF multi-layer compound structure, wherein K layers are to play anti-ultraviolet fluorine-containing layer, by
It is containing halogen elements in the polymer, fluoride pollution is be easy to cause after component is scrapped, and the method is related to the multiple tracks such as fitting
Step, technique are cumbersome.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, provide that a kind of weather resistance is good and preparation process simply it is not fluorine-containing too
Positive energy backboard membrane.
The present invention provides a kind of solar energy backboard membrane, has multilayered structure, including first layer, the second layer and third layer, institute
State first layer, third layer is located at the two sides of the second layer, the component of the first layer and the third layer includes not fluorine-containing tree
Rouge and uvioresistant auxiliary agent；The multilayered structure is prepared by multi-layer co-extruded technique.
Further, the first layer, third layer component include: mass percent be 82%-90% not fluorine-containing tree
Rouge, mass percent are the uvioresistant auxiliary agent of 1%-8%.
Further, the uvioresistant auxiliary agent is salicylic acid esters, benzophenone, benzotriazole, replaces propylene
At least one of nitrile, triazines.
Further, the component of the second layer includes the not fluorine resin that mass percent is 85%-91.5%,
The anti-hydrolysis agent of 1.5%-5%.
Further, the first layer, the second layer not fluorine resin be polyester resin, the polyester resin includes poly- pair
At least one of ethylene terephthalate, polybutylene terephthalate (PBT), polyethylene naphthalate.
Further, the not fluorine resin of the third layer includes the first resin and the second resin, first tree
Rouge is at least one of polyethylene, polypropylene, ethylene-vinyl acetate copolymer, and second resin is poly terephthalic acid
At least one of glycol ester, polybutylene terephthalate (PBT), polyethylene naphthalate.
Further, the mass percent of first resin is 13%-83%, the mass percent of second resin
For 15%-82%.
Further, at least one layer of also added with inorganic nano-particle, the inorganic nano-particle in the multilayered structure
The mass percent of son is 5%-10%.
Further, the first layer, third layer the inorganic nano-particle be nano silica, nanometer titanium dioxide
At least one of titanium, nano barium sulfate, nano-aluminium oxide；
Further, the inorganic nano-particle of the second layer is nano montmorillonite, nano silica, nanometer cloud
At least one of master slice or Nano titanium nitride.
The present invention also provides a kind of preparation methods of above-mentioned solar energy backboard membrane, it is characterised in that:
It prepares to form first layer by three-layer co-extruded technique, the second layer and third layer；
Wherein the first layer, third layer are added with uvioresistant auxiliary agent.
Solar energy backboard membrane of the present invention has the advantage that
Solar energy backboard membrane of the invention is helped by adding uvioresistant in the not fluorine resin of first layer, third layer
Agent, first layer and third layer provide anti-ultraviolet property, and can be obtained the good backboard of weather resistance by multi-layer co-extruded technique
Film.Compared to fluorine-containing in the prior art and be related to the solar energy backboard membrane of lamination coating technique, solar energy backboard membrane of the invention
Not only there is good weatherability but also environment can be protected, and preparation process is simple.
Solar energy backboard membrane of the invention, by adding the various kinds of resin of different ratio in the basis material of third layer,
It can make solar energy backboard membrane that there is good associativity with EVA glue after finishing assembly, improve removing difficulty, binding performance
It is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar energy backboard membrane of the present invention；
Wherein, 11 be the second layer, and 12 be first layer, and 13 be third layer, and 14 be inorganic nano-particle.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Referring to Fig. 1, the present invention provides a kind of solar energy backboard membrane, is multilayered structure, specifically may include first layer 12, second
Layer 11 and third layer 13, wherein first layer 12, third layer 13 are located at the two sides of the second layer 11, first layer 12 and third layer 13
Component includes that fluorine resin and uvioresistant auxiliary agent, the multilayered structure are not prepared by multi-layer co-extruded technique.
Solar energy backboard membrane of the invention is helped by adding uvioresistant in the not fluorine resin of first layer, the second layer
Agent, and the good backboard membrane of weather resistance can be obtained by multi-layer co-extruded technique, compared to it is fluorine-containing in the prior art and be related to more
The solar energy backboard membrane of layer attaching process had not only had good weatherability but also can protect environment, and preparation process is simple.
Further, solar energy backboard membrane overall thickness is 0.125mm-0.350mm, it is preferable that solar energy backboard membrane total thickness
Degree is 0.25mm-0.3mm.
Further, first layer 12 with a thickness of 0.010mm-0.050mm, the second layer 11 with a thickness of 0.105mm-
0.250mm, third layer 13 with a thickness of 0.010mm-0.050mm.Solar energy backboard membrane of the invention is by being rationally arranged each layer
The ratio of thickness can cooperate with each layer structure of solar energy backboard membrane to obtain optimal comprehensive performance.
Further, the mass percent of fluorine resin is not 82%-90%, the matter of uvioresistant auxiliary agent in first layer 12
Amount percentage is 1%-8%.The content of uvioresistant auxiliary agent is too high, is unfavorable for the forming of film, the too low then weatherability of content is not
It is good.The proportion of resin matrix and uvioresistant auxiliary agent of the invention can guarantee that good formability of solar energy backboard membrane etc. is comprehensive
Performance, and excellent weatherability can be made it have.Wherein, fluorine resin can not be polyester resin, and specific optional autohemagglutination is to benzene
At least one of naphthalate, polybutylene terephthalate (PBT), polyethylene naphthalate, preferably poly- pair
Ethylene terephthalate.Uvioresistant auxiliary agent be salicylic acid esters, benzophenone, benzotriazole, group-substituted acrylonitrile,
At least one of triazines, preferably salicylic acid esters.
Further, in order to improve the weatherability of solar energy backboard membrane, the component of the second layer 11 include not fluorine resin and
Anti-hydrolysis agent.The mass percent of fluorine resin is not 85%-91.5%, the anti-hydrolysis agent of 1.5%-5% in the second layer 11.It is logical
It crosses and adds a certain amount of anti-hydrolysis agent in the second layer, can make backboard membrane that there is good weatherability, be widely used in humidity
Environment.
Wherein, in the second layer 11 not fluorine resin can be polyester resin, specifically can be selected from polyethylene terephthalate,
At least one of polybutylene terephthalate (PBT), polyethylene naphthalate, preferably polyethylene terephthalate.
Wherein, anti-hydrolysis agent can be the polymer anti-hydrolysis agent or amides of the polymer anti-hydrolysis agent of epoxies, isocyanates
At least one of polymer anti-hydrolysis agent, preferably acylamide polymer anti-hydrolysis agent.Specifically, anti-hydrolysis agent can be carbonization
At least one of diimine, polycarbodiimide.
Further, in order to improve the weatherability of solar energy backboard membrane entirety, third layer 13 and first layer 12 equally have
Excellent weatherability, component specifically may include not fluorine resin and uvioresistant auxiliary agent.The mass percent of fluorine resin is not
82%-90%, the mass percent of uvioresistant auxiliary agent are 1%-8%.
Further, in order to guarantee peeling force of the solar energy backboard membrane after pressing, the not fluorine resin of third layer 13 has
Body may include the first resin and the second resin.First resin may include polyethylene, polypropylene, in ethylene-vinyl acetate copolymer
At least one, preferred polyethylene.Second resin is polyester resin, can be selected from polyethylene terephthalate, is poly- to benzene two
At least one of formic acid butanediol ester, polyethylene naphthalate.Due to including the first tree in the basis material of third layer
Rouge and the second resin enable to solar energy backboard membrane and solar battery to have good associativity, by solar energy backboard
After film and EVA, glass laminates, peeling force is significantly improved.In order to guarantee the intensity of peeling force, the quality of the first resin in the second layer
Percentage is 13%-83%, and the mass percent of the second resin is 15%-82%.
Further, inorganic nano-particle 14, inorganic nano-particle are added in at least one layer in solar energy backboard membrane
14 partial size is 0.2-0.6 μm.Referring to Fig. 1, all received added with inorganic preferably in first layer 12, the second layer 11, third layer 13
Rice corpuscles 14.Solar energy backboard film viscosity is excessive in order to prevent, and inorganic nano-particle is added in first layer, described inorganic to receive
Rice corpuscles is nano silica, at least one of nano-titanium dioxide, nano barium sulfate, nano-aluminium oxide.In order to drop
The transparency of low solar energy backboard membrane is added with inorganic nano-particle, the inorganic nano-particle in the second layer to improve reflectivity
Son is at least one of nano montmorillonite, nano silica, nano mica piece or Nano titanium nitride.
Further, inorganic nano-particle can be by surface treatment.Surface treatment can reduce the photochemical of inorganic nano-particle
It learns activity and improves dispersibility of the inorganic particulate in polyester resin, so that inorganic nano-particle disperses in backboard membrane
It is even.The detailed process of surface treatment is to coat at least one layer of inorganic oxide or organic compound on the surface of inorganic nano-particle
Object.Wherein, inorganic oxide is SiO2、Al2O3Equal inorganic oxides.
Solar energy backboard membrane of the invention is helped by adding uvioresistant in the not fluorine resin of first layer, the second layer
Agent, and the good backboard membrane of weather resistance can be obtained by multi-layer co-extruded technique, compared to it is fluorine-containing in the prior art and be related to more
The solar energy backboard membrane of layer attaching process had not only had good weatherability but also can protect environment, and preparation process is simple.
Solar energy backboard membrane of the invention, by adding the various kinds of resin centainly matched in the basis material of third layer,
It can make solar energy backboard membrane and EVA glue that there is good associativity, greatly improve removing difficulty, excellent bonding performance.
The present invention also provides a kind of production methods of above-mentioned solar energy backboard membrane, specifically comprise the following steps:
It prepares to form first layer by three-layer co-extruded technique, the second layer and third layer；
Wherein the first layer, third layer are added with uvioresistant auxiliary agent.
Specifically, acquisition can be made by the steps:
S1 is granulated: raw material and function material, such as uvioresistant auxiliary agent or stabilisers against hydrolysis are uniformly mixed and are carried out
Twin-screw mixer is granulated to obtain the functional agglomerate of each layer；Wherein function material refers to the other corresponding function in addition to basis material
The raw material of energy, such as uvioresistant auxiliary agent, stabilisers against hydrolysis, nano inoganic particle, colorant or other auxiliary agents.
S2 slab: three-layer co-extruded technique is used；The obtained functional agglomerate of not fluorine resin and step S1 is mixed according to the ratio,
Multi-layer co-extruded fusion plastification, curtain coating slab are carried out using three extruders after mixing；
S3 stretches film forming: the slab that step S2 is obtained carries out longitudinal stretching, cross directional stretch, thermal finalization, winding and packaging,
Obtain the solar energy backboard membrane.
In step sl, first layer functional agglomerate, second layer functional agglomerate and third layer functional agglomerate can successively be obtained.
Specifically, fluorine resin and uvioresistant auxiliary agent are uniformly mixed, and carry out twin-screw mixer and is granulated to obtain the first layer function
Master batch.It fluorine resin and anti-hydrolysis agent will not be uniformly mixed, and carry out twin-screw mixer and be granulated to obtain second layer functional agglomerate.It will
Fluorine resin and uvioresistant auxiliary agent are not uniformly mixed, and are carried out twin-screw mixer and be granulated to obtain third layer functional agglomerate.Certainly,
If without function materials such as uvioresistant auxiliary agent, stabilisers against hydrolysis in each layer, it is convenient to omit the process of granulation.If desired each
Other function materials are added in layer, such as nano inoganic particle etc. can then add corresponding function in granulation process accordingly
Material obtains functional agglomerate.
Hereinafter, by being further described in conjunction with specific embodiments to solar energy backboard membrane of the invention.
Solar energy backboard membrane provided by the invention tests following main performances.
Anti-hydrolytic performance: it is tested using the deep PCT-35 high pressure accelerated weathering accelerator produced into company in Dongguan, temperature
Degree is 121 DEG C, and pressure is two atmospheric pressure, and the testing time is 60 hours.After PCT experiment, using tensile testing machine testing backboard
The tensile strength and elongation at break of film.
Uvioresistant performance: QUV ultraviolet accelerated ageing testing machine, using UVA340 fluorescent tube.
Xanthochromia b value: according to GB/T3979-2008 standard, using ColorQuest XE spectrophotometric color measurement instrument, (Hunterlab is public
Department's system), under D65 light conditions, pass through its b value of d/8 ° of structured testing of integrating sphere.Xanthochromia b value=backboard membrane is through UVA340 fluorescent tube
The b value of the initial backboard membrane of b value-after irradiating 90kWh.
With EVA cohesive force: the removing of tensile testing machine testing backboard and EVA will be utilized after backboard membrane and EVA, glass laminates
Power.
Embodiment 1
The first layer of solar energy backboard membrane provided in this embodiment, the backboard membrane includes: the mass percent of PET resin
Mass percent for 88%, silica is 7%, the mass percent of UV resistant agent is 5%；The second layer includes: PET tree
The mass percent of rouge is 90%, the mass percent of nano-titanium dioxide is 5%, the mass percent of carbodiimides is
5%, third layer include: the mass percent of PET resin be 80%, the mass percent of PE resin is 13%, nanometer titanium dioxide
The mass percent of silicon is 5%, and the mass percent of UV resistant agent is 2%.The backboard membrane is three-layer co-extruded structure, described
Backboard membrane overall thickness is 0.250mm, wherein first layer with a thickness of 0.02mm, the second layer with a thickness of 0.21mm, third thickness
Degree is 0.02mm.Correlated performance is shown in Table 1.
Embodiment 2
Solar energy backboard membrane provided in this embodiment, the first layer of the backboard membrane include: PET resin 82%, titanium dioxide
The mass percent of silicon is 10%, the mass percent of UV resistant agent is 8%；The second layer includes: the quality percentage of PET resin
Than be 5% for the mass percent of 90%, nano-titanium dioxide, the mass percent of carbodiimides is 5%, third layer packet
Include: the mass percent of PET resin is 15%, the mass percent of PE resin is 67%, the quality percentage of nano silica
Than being 10%, the mass percent of UV resistant agent is 8%.The backboard membrane is three-layer co-extruded structure, the backboard membrane total thickness
Degree is 0.125mm, wherein first layer with a thickness of 0.01mm, the second layer with a thickness of 0.105mm, third layer with a thickness of
0.01mm.Correlated performance is shown in Table 1.
Embodiment 3
The first layer of solar energy backboard membrane provided in this embodiment, the backboard membrane includes: the mass percent of PET resin
Mass percent for 90%, inorganic filler is 9%, and the mass percent of UV resistant agent is 1%；The second layer includes: PET tree
The mass percent of rouge is 85%, the mass percent of nano-titanium dioxide is 10%, the mass percent of carbodiimides is
5%, third layer include: the mass percent of PET resin be 15%, the mass percent of PE resin is 83%, nanometer titanium dioxide
The mass percent of silicon is 1%, and the mass percent of UV resistant agent is 1%.The backboard membrane is three-layer co-extruded structure, described
Backboard membrane overall thickness is 0.350mm, wherein first layer with a thickness of 0.05mm, the second layer with a thickness of 0.25mm, third thickness
Degree is 0.05mm.Correlated performance is shown in Table 1.
Embodiment 4
The first layer of solar energy backboard membrane provided in this embodiment, the backboard membrane includes: the mass percent of PET resin
Mass percent for 89%, silica is 5%, the mass percent of UV resistant agent is 6%；The second layer includes: PET tree
The mass percent of rouge is 91.5%, the mass percent of nano-titanium dioxide is 7%, the mass percent of carbodiimides is
1.5%, third layer include: the mass percent of PET resin be 80%, the mass percent of PE resin is 13%, nano-silica
The mass percent of SiClx is 5%, and the mass percent of UV resistant agent is 2%.The backboard membrane is three-layer co-extruded structure, institute
Stating backboard membrane overall thickness is 0.250mm, wherein first layer with a thickness of 0.02mm, the second layer with a thickness of 0.21mm, third layer
With a thickness of 0.02mm.Correlated performance is shown in Table 1.
Embodiment 5
The first layer of solar energy backboard membrane provided in this embodiment, the backboard membrane includes: the mass percent of PET resin
Mass percent for 89%, silica is 5%, the mass percent of UV resistant agent is 6%；The second layer includes: PET tree
The mass percent of rouge is 91.5%, the mass percent of nano-titanium dioxide is 7%, the mass percent of carbodiimides is
1.5%, third layer include: the mass percent of PET resin be 80%, the mass percent of PE resin is 13%, nano-silica
The mass percent of SiClx is 5%, and the mass percent of UV resistant agent is 2%.The backboard membrane is three-layer co-extruded structure, institute
Stating backboard membrane overall thickness is 0.300mm, wherein first layer with a thickness of 0.024mm, the second layer with a thickness of 0.252mm, third
Layer is with a thickness of 0.024mm.Correlated performance is shown in Table 1.
Embodiment 6
The first layer of solar energy backboard membrane provided in this embodiment, the backboard membrane includes: the mass percent of PET resin
Mass percent for 88%, silica is 6%, the mass percent of UV resistant agent is 6%；The second layer includes: PET tree
The mass percent of rouge is 91.5%, the mass percent of nano-titanium dioxide is 7%, the mass percent of carbodiimides is
1.5%, third layer include the mass percent of PET resin be 82%, the mass percent of EVA is 12%, nano barium sulfate
Mass percent is 5%, and the mass percent of UV resistant agent is 2%.The backboard membrane is three-layer co-extruded structure, the backboard
Film overall thickness is 0.250mm, wherein first layer with a thickness of 0.02mm, the second layer with a thickness of 0.21mm, third layer with a thickness of
0.02mm.Correlated performance is shown in Table 1.
By the performance parameter test in embodiment 1-6 each in table 1 it is found that the xanthochromia value of solar energy backboard membrane of the invention compared with
It is low, there is good weatherability, illustrate even if xanthochromia value is lower even if under the influence of ultraviolet light, to solar battery to the sun
The assimilation effect influence of light is smaller, can guarantee the output power of component.And solar energy backboard membrane of the invention is with high
Elongation at break, and in conjunction with EVA after peeling force greatly improve, excellent bonding performance.Therefore, solar energy backboard of the invention is comprehensive
It is good to close performance, can be widely used under the particular surroundings such as various low temperature, humidity, intensive ultraviolet.
The beneficial effect of solar energy backboard membrane in order to better illustrate the present invention, the present invention also provides following comparative examples:
Comparative example 1
The solar energy backboard membrane that this comparative example provides is the polyester film of single layer structure, and polyester film includes: PET resin
Mass percent be 100%, with a thickness of 0.250mm.Polyester film is obtained by stretch processes.Correlated performance is shown in Table 1.
By the performance parameter comparison of the comparative example and other each embodiments of table 1 as it can be seen that the polyester film of single layer structure, does not add
Add UV resistant agent, the xanthochromia value of the solar energy backboard membrane after 90kWh irradiation greatly improves, and brittleness is got higher, elongation at break
It reduces.And the peeling force in single layer structure after pure PET resin is in conjunction with EVA is smaller, and associativity is bad.
Comparative example 2
The solar energy backboard membrane that this comparative example provides is three-decker, and first layer includes that the mass percent of PET resin is
100%；The second layer includes: that the mass percent of PET resin is 95%, and the mass percent of carbodiimides is 5%；Third layer
The mass percent for including: PET resin is 100%.The solar energy backboard membrane is three-layer co-extruded structure, the backboard membrane total thickness
Degree is 0.250mm, wherein first layer with a thickness of 0.02mm, the second layer with a thickness of 0.21mm, third layer with a thickness of
0.02mm.Correlated performance is shown in Table 1.
By the performance parameter comparison of comparative example 2 and other each embodiments in table 1 as it can be seen that being not added with UV resistant agent,
The xanthochromia value of solar energy backboard membrane after 90kWh irradiation greatly improves, and brittleness is got higher, and elongation at break reduces.In comparative example 1
The basis material of third layer be pure PET, in conjunction with EVA after peeling force it is smaller, binding performance is bad.
The performance test results of the solar energy backboard membrane of 1 various embodiments of the present invention of table and comparative example
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of solar energy backboard membrane, which is characterized in that there is multilayered structure, including first layer, the second layer and third layer, it is described
First layer, third layer are located at the two sides of the second layer, and the component of the first layer and the third layer includes not fluorine resin
With uvioresistant auxiliary agent；The multilayered structure is prepared by multi-layer co-extruded technique.
2. solar energy backboard membrane according to claim 1, which is characterized in that the first layer, third layer component include:
Mass percent is the not fluorine resin of 82%-90%, and mass percent is the uvioresistant auxiliary agent of 1%-8%.
3. solar energy backboard membrane according to claim 1, which is characterized in that the uvioresistant auxiliary agent is salicylate
At least one of class, benzophenone, benzotriazole, group-substituted acrylonitrile, triazines.
4. solar energy backboard membrane according to claim 1, which is characterized in that the component of the second layer includes quality percentage
Than the not fluorine resin for 85%-91.5%, the anti-hydrolysis agent of 1.5%-5%.
5. solar energy backboard membrane according to claim 1, which is characterized in that the not fluorine-containing tree of the first layer, the second layer
Rouge is polyester resin, and the polyester resin includes polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalene two
At least one of formic acid glycol ester.
6. solar energy backboard membrane according to claim 1, which is characterized in that the not fluorine resin packet of the third layer
Include the first resin and the second resin, first resin be polyethylene, polypropylene, in ethylene-vinyl acetate copolymer at least
One kind, second resin are polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalenedicarboxylic acid ethylene glycol
At least one of ester.
7. solar energy backboard membrane according to claim 6, which is characterized in that the mass percent of first resin is
13%-83%, the mass percent of second resin are 15%-82%.
8. solar energy backboard membrane according to claim 1, which is characterized in that at least one layer in the multilayered structure also adds
Added with inorganic nano-particle, the mass percent of the inorganic nano-particle is 5%-10%.
9. solar energy backboard membrane according to claim 8, which is characterized in that the first layer, third layer it is described inorganic
Nanoparticle is nano silica, at least one of nano-titanium dioxide, nano barium sulfate, nano-aluminium oxide；It is described
The inorganic nano-particle of the second layer is in nano montmorillonite, nano silica, nano mica piece or Nano titanium nitride
It is at least one.
10. a kind of preparation method of solar energy backboard membrane described in -9 according to claim 1, it is characterised in that:
It prepares to form the first layer by three-layer co-extruded technique, the second layer and three layers described；
Uvioresistant auxiliary agent is added in the first layer, the third layer.
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