CN102218878A - Film, laminated body and solar cell - Google Patents

Film, laminated body and solar cell Download PDF

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Publication number
CN102218878A
CN102218878A CN2011100818755A CN201110081875A CN102218878A CN 102218878 A CN102218878 A CN 102218878A CN 2011100818755 A CN2011100818755 A CN 2011100818755A CN 201110081875 A CN201110081875 A CN 201110081875A CN 102218878 A CN102218878 A CN 102218878A
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layer
olefin
epoxy radicals
film
multilayer film
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Chinese (zh)
Inventor
关野晃子
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Sumitomo Corp
Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a film, a laminated body and a solar cell. A multi-layer film is formed by abutting a layer having alkene system resin and amino silane with 0.8 to 10 parts by weight relative to the 100 parts by weight of the alkene system resin, with an ethane system copolymer layer having epoxy radicals. The multi-layer film layer having the ethane system copolymer with epoxy radicals is a surface layer. The invention also provides a laminated body obtained by hot-pressing the surface layer and glass and a solar cell having the laminated body.

Description

Film, duplexer and solar cell
Technical field
The present invention relates to film, duplexer and solar cell.
Background technology
In recent years, along with the global phenomenon that warms up, people improve the consciousness of environment, and the new energy resources system that does not produce carbon dioxide isothermal chamber gas has caused people's attention.Do not cause the gases such as carbon dioxide that warm up because the energy that is produced by solar cell power generation is not discharged,, receive publicity with the energy as industry so research and develop as green energy resource.
As the typical example of solar cell, can enumerate solar cell that uses monocrystalline, polycrystal silicon cell (crystal system silion cell) and the solar cell (film is a battery) that uses amorphous silicon, semiconducting compound.
Greatly how long, solar cell uses in wind and rain in outdoor exposure, by power generation part being fitted glass plate, backboard etc. and modularization, prevents to immerse from the moisture of outside, thereby tries hard to protect power generation part, prevent electric leakage etc.
As the parts of protection power generation part, use clear glass or transparent resin to guarantee the needed smooth transmission of generating electricity at light incident side.Use the alumina foil that is called backboard, polyfluoroethylene resin (PVF), poly terephthalic acid ethylene glycol (PET) and they are carried out protective coating processing and stacked of forming in an opposite side with silica etc.
Then, sandwich generating element with resin-sealed, further cover outsidely, implement heat treatment again with glass or backboard, thus the molten resin diaphragm seal, with the integrated sealing of integral body (modularization).
As encapsulant, for example known encapsulant (with reference to patent documentation 1) that has pair ethylene copolymer to implement the electron beam irradiation.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2001-119047
Summary of the invention
But patent documentation 1 described encapsulant is insufficient with the adhesive strength of glass sometimes.
The inventor etc. have carried out conscientiously research, found that the method by the following stated can solve above-mentioned problem, thereby have finished the present invention.
Be that first mode of the present invention is a kind of multilayer film, contain the olefin-based resin and with respect to the layer of these olefin-based resin 100 weight portions amino silane that is 0.8~10 weight portion, with the layer adjacency that contains the vinyl copolymer of epoxy radicals.
Second mode of the present invention is a kind of duplexer, and the layer of the vinyl copolymer that contains epoxy radicals of described multilayer film is the top layer of this multilayer film, this top layer and glass heat pressing.
Third Way of the present invention is a kind of solar cell with described duplexer.
The adhesive strength excellence of film of the present invention and glass.
Description of drawings
Fig. 1 is the fragmentary cross sectional view of expression solar cell one example of the present invention.
[symbol description]
1... solar cell
2... electrode
3... contain the film (layer) of olefin-based resin and amino silane
4... contain the film (layer) of the vinyl copolymer of epoxy radicals
5... surface protection glass
6... multilayer film
7... duplexer
8... backside protective sheet
9... olefin-based resin molding
The specific embodiment
Below, describe the present invention in detail.
The preferred vinyl copolymer that contains epoxy radicals of the present invention is at least by from the monomeric unit of ethene with come the formed vinyl copolymer that contains epoxy radicals of monomeric unit of the alkene of self-contained epoxy radicals.
During as 100 weight %, the vinyl copolymer that contains epoxy radicals preferably contains to come monomeric unit 1~30 weight % of the alkene of self-contained epoxy radicals, more preferably contains 3~25 weight %, further preferably contains 10~20 weight % with the weight of ethylene-based polymer.In addition, these that also two or more kinds may be used contain the vinyl copolymer of epoxy radicals.
The alkene that what is called contains epoxy radicals be meant contain in its molecule can with the unsaturated group of ethylene copolymer and the compound of epoxy radicals.For example can enumerate unsaturated ethylene oxidic ester class, unsaturated glycidol ethers etc.
As the alkene that contains epoxy radicals, but concrete illustration glycidyl acrylate, GMA, glycidyl itoconate, glycidyl itoconate class, allyl glycidyl ether, 2-methacrylic glycidol ether, styrene are to glycidol ether etc., among these, special preferable methyl glycidyl acrylate.
The vinyl copolymer that contains epoxy radicals of the present invention can be only by from the monomeric unit of ethene with come the formed vinyl copolymer that contains epoxy radicals of monomeric unit of the alkene of self-contained epoxy radicals, also can be by from the monomeric unit of ethene, come self-contained epoxy radicals alkene monomeric unit and from the formed vinyl copolymer that contains epoxy radicals of the monomeric unit of the vinyl compound different with ethene.
As vinyl compound, can enumerate vinyl ester, unsaturated carboxylic acid, the saturated alcohols composition of carbon number 1~8 and ester class, maleate class, fumaric acid esters, vinyl halides class, phenylethylene, nitrile, vinyl ethers and the acrylic amide of acrylic or methacrylic acid of saturated carboxylic acid of olefines, the carbon number 2~6 of unsaturated bond.
As vinyl compound, but concrete illustration propylene, 1-butylene, vinyl acetate, acrylic acid, methacrylic acid, methyl acrylate, methyl acrylate, methyl methacrylate, EMA, dimethyl maleate, diethyl maleate, dimethyl fumarate, DEF, vinyl chloride, vinylidene chloride, styrene, acrylonitrile, IVE and acrylamide etc.Wherein preferred vinyl acetate, acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, methyl methacrylate, EMA, further preferred vinyl acetate, methyl acrylate, methyl methacrylate.
In the weight of the vinyl copolymer that will contain epoxy radicals during as 100 weight %, this contain in the vinyl copolymer of epoxy radicals from the content of the monomeric unit of vinyl compound 40 weight % preferably, more preferably below the 30 weight %.
As the vinyl copolymer that contains epoxy radicals, specifically can enumerate the ethylene-methyl methacrylate glycidyl ester copolymer, ethylene-propylene-glycidyl methacrylate copolymer, ethene-1-butylene-glycidyl methacrylate copolymer, ethane-acetic acid ethyenyl ester-glycidyl methacrylate copolymer, ethylene-acrylic acid-glycidyl methacrylate copolymer, ethylene-methyl methacrylate-glycidyl methacrylate copolymer, ethylene-methyl acrylate-glycidyl methacrylate copolymer, ethylene-propylene acetoacetic ester-glycidyl methacrylate copolymer, ethylene-methyl methacrylate methyl esters-glycidyl methacrylate copolymer, ethylene-methyl methacrylate ethyl ester-glycidyl methacrylate copolymer, ethene-maleic acid methyl esters-glycidyl methacrylate copolymer, ethene-ethyl maleate-glycidyl methacrylate copolymer, ethene-fumarate dimethyl-glycidyl methacrylate copolymer, ethene-ethyl fumarate-glycidyl methacrylate copolymer, ethylene-vinyl chloride-glycidyl methacrylate copolymer, ethene-vinylidene chloride-glycidyl methacrylate copolymer, ethene-styrene-glycidyl methacrylate copolymer, ethylene-propylene nitrile-glycidyl methacrylate copolymer, ethene-IVE-glycidyl methacrylate copolymer, ethylene-propylene acid amides-glycidyl methacrylate copolymer.
The vinyl copolymer that contains epoxy radicals of the present invention can in all sorts of ways synthetic.For example can wait and make by polymerisation in bulk, emulsion polymerisation, the polymerisation in solution that utilizes radical initiator.Should illustrate that representational polymerization can be enumerated the method for record in Japanese kokai publication sho 48-11388 communique, the Japanese kokai publication sho 61-127709 communique etc., in the presence of the polymerization initiator that generates free radical, with pressure 500kg/cm 2More than, the condition of 40~300 ℃ of the temperature method of carrying out copolymerization.
In addition, the method that can enumerate in containing, mix unsaturated epoxide and radical initiator, fusion-grafting copolymerization in extruder from the monomeric unit of ethene and polymer from the monomeric unit of the vinyl compound beyond any ethene, perhaps make ethene and unsaturated epoxide, also have vinyl compound as composition arbitrarily in inert medias such as water or organic solvent in the presence of radical initiator the method for copolymerization.
The vinyl copolymer that contains epoxy radicals was 190 ℃ melt flow rate (MFR) preferably 0.1~500g/10 minute, more preferably 1~100g/10 minute, further preferred 2~50g/10 minute.When melt flow rate (MFR) had excellent formability in time more than 0.1g/10 minute, at mechanical excellent of time below 500g/10 minute.
As amino silane of the present invention, can enumerate N-2-(amino-ethyl)-3-aminopropyl methyl dimethoxysilane, N-2-(amino-ethyl)-3-aminopropyl methyldiethoxysilane, N-2-(amino-ethyl)-3-aminopropyl dimethoxy silane, N-2-(amino-ethyl)-3-aminopropyl diethoxy silane, N-2-(amino-ethyl)-3-TSL 8330, N-2-(amino-ethyl)-3-aminopropyltriethoxywerene werene, 3-aminopropyl dimethyl methyl TMOS, 3-aminopropyl methyl dimethoxysilane, 3-aminopropyl methyldiethoxysilane, the 3-TSL 8330, the 3-aminopropyltriethoxywerene werene, 3-methyl dimethoxy oxygen base silicyl-N-(1,3-dimethyl butyrate fork base) propylamine, 3-methyl diethoxy silicyl-N-(1,3-dimethyl butyrate fork base) propylamine, 3-trimethoxysilyl-N-(1,3-dimethyl butyrate fork base) propylamine, 3-triethoxysilyl-N-(1,3-dimethyl butyrate fork base) propylamine, N-phenyl-3-aminopropyl methyldiethoxysilane, N-phenyl-3-aminopropyl methyldiethoxysilane, N-phenyl-3-TSL 8330, N-phenyl-3-aminopropyltriethoxywerene werene, N-(vinyl benzyl)-2-amino-ethyl-3-TSL 8330,2-(3, the 4-epoxycyclohexyl) ethyl-methyl dimethoxy silane, 2-(3, the 4-epoxycyclohexyl) ethyl-methyl diethoxy silane, 2-(3, the 4-epoxycyclohexyl) ethyl trimethoxy silane, 2-(3, the 4-epoxycyclohexyl) ethyl triethoxysilane, 3-glycidoxy propyl group methyl dimethoxysilane, 3-glycidoxy propyl group methyldiethoxysilane, the 3-glycidoxypropyltrime,hoxysilane, 3-glycidoxy propyl-triethoxysilicane.
The layer that contains olefin-based resin and amino silane of the present invention is the layer that contains amino silane 0.8~10 weight portion with respect to these olefin-based resin 100 weight portions.The content of preferred amino silane is 1~5 weight portions with respect to olefin-based resin 100 weight portions, more preferably 1~3 weight portion.
When the total weight of vinyl copolymer that contains epoxy radicals that multilayer film is contained and olefin-based resin during as 100 weight portions, the content of contained amino silane is with respect to described total weight 100 weight portions in the multilayer film of the present invention, 0.1~9 weight portion preferably, be more preferably 0.3~5 weight portion, further 0.5~3 weight portion preferably.
Olefin-based resin used in the present invention be not with olefin-based resins such as the vinylite of the functional group of the amino reaction of above-mentioned amino silane, propylene resin, perhaps their mixture.
As vinylite, can enumerate Alathon, ethene-alpha-olefin copolymer, ethylene-acrylic acid is olefin copolymer, vinyl-vinyl acetate copolymer.
So-called ethene-alpha-olefin copolymer is meant ethene and the copolymer of the alpha-olefin of carbon number 3~12 more than a kind.As the alpha-olefin of carbon number 3~12, for example can enumerate propylene, 1-butylene, 1-amylene, 4-methyl-1-pentene, 1-hexene, 1-octene, 1-decene.Wherein, preferred propylene, 1-butylene, 1-hexene, 1-octene, more preferably 1-butylene, 1-hexene.
So-called ethylene-acrylic acid is the copolymer that olefin copolymer is meant ethene and acrylic acid series alkene.As acrylic acid series alkene, for example can enumerate acrylic acid, methacrylic acid, methyl acrylate, methyl methacrylate.
When the olefin-based resin is vinylite, be 0.1~10g/10 minute preferably 190 ℃ melt flow rate (MFR) (MFR), more preferably 0.3~8g/10 minute, further preferred 0.5~5g/10 minute.When melt flow rate (MFR) is an excellent in workability more than 0.1g/10 minute the time, the mechanical strength excellence of sheet below 10g/10 minute the time.
As propylene resin, can enumerate Noblen, propylene-ethylene copolymers, propylene-alpha-olefin copolymers, propylene-ethylene-alpha olefin copolymer.
When the olefin-based resin is propylene resin, be 0.1~20g/10 minute preferably 230 ℃ melt flow rate (MFR) (MFR), more preferably 0.3~10g/10 minute.When melt flow rate (MFR) is an excellent in workability more than 0.1g/10 minute the time, the mechanical strength excellence of sheet below 20g/10 minute the time.
The thickness of multilayer film of the present invention is 1~1000 μ m preferably, more preferably 3~500 μ m.Preferably contain epoxy radicals vinyl copolymer the layer thickness be 1~500 μ m in above-mentioned multilayer film, be more preferably 1~100 μ m.
The present invention is to use the above-mentioned vinyl copolymer that contains epoxy radicals, amino silane and olefin-based resin and the film that obtains.
This film can be that scope below the 40 weight % contains in Petropols, vinyl benzene rubber, the olefin-based resin normally used additive etc. as the composition beyond above-mentioned during as 100 weight % with film integral body also.
A kind of multilayer film of first mode of the present invention, contain the olefin-based resin and with respect to the layer of these olefin-based resin 100 weight portions amino silane that is 0.8~10 weight portion, with the layer adjacency that contains the vinyl copolymer of epoxy radicals.
At least simultaneously be the layer that contains the vinyl copolymer of epoxy radicals in the top layer of multilayer film.
As the layer that contains olefin-based resin and amino silane, with the manufacture method of multilayer film of the layer adjacency of the vinyl copolymer that contains epoxy radicals, can enumerate coetrusion, extruding layer platen press, will contain epoxy radicals vinyl copolymer film and contain the film of olefin-based resin and amino silane by the legal and stacked method of hot pressing.
The layer that contains olefin-based resin and amino silane for example can by with mixing roll or extruder etc. with the olefin-based resin with amino silane is mixing and resin combination that obtain forms.Preferably 80~250 ℃ of melting temperatures, more preferably 100~200 ℃.Mixing time preferably carries out 1~30 minute scope.
In addition, amino silane is contained be immersed in after the olefin-based resin, form and form layer.When amino silane being contained be immersed in the olefin-based resin, preferably using under the normal temperature is the aminoalkoxy silane of liquid.Preferably contain and be immersed in-50~200 ℃ and carry out, more preferably carry out at 0~100 ℃.The preferred impregnation time is more than 1 minute, more preferably 1 minute~1 day.
Expectation be by will be by the formed film of composition that the reaction of the vinyl copolymer that contains epoxy radicals and amino silane is obtained and glass laminated, thereby the adhesive strength excellence.But, when the vinyl copolymer that will contain epoxy radicals in order to make above-mentioned composition and amino silane melting mixing come, in mixing, react, thereby can not easily make composition.Among the present invention, the layer of the vinyl copolymer by will containing epoxy radicals and the layer that contains amino silane and olefin-based resin in abutting connection with and the layer and the glass laminated hot pressing that carries out of the vinyl copolymer that contains epoxy radicals of the multilayer film that is laminated, thereby make amino silane from the layer that contains amino silane and olefin-based resin transfer to the vinyl copolymer that contains epoxy radicals layer so that they react, and the compatibility height of silylation that amino silane is contained and glass, thereby infer the adhesive strength excellence.
Utilize the hot pressing manufactured contain olefin-based resin and amino silane the layer with the vinyl copolymer that contains epoxy radicals the layer in abutting connection with and formation multilayer film the time, at first, respectively each layer is configured as film separately.
Contain the film of olefin-based resin and amino silane can be as above-mentioned with the olefin-based resin with amino silane is mixing and resin combination that obtain is configured as film, amino silane is contained be immersed in to reshape behind the olefin-based resin to be film.
In addition, also can be after the film that will be made of the olefin-based resin be shaped impregnation amino silane again.
As utilizing the hot pressing manufactured to contain the method for layer multilayer film of formation of olefin-based resin and amino silane, can enumerate warm-up mill pressing method, heating and pressurizing method, vacuum layer platen press with the layer adjacency of the vinyl copolymer that contains epoxy radicals.
When utilizing hot pressing manufactured multilayer film, preferably under 100~250 ℃ of temperature, 1 second~1 hour condition of pressing time, carry out.In addition, also can be by making their overlap, carry out hot pressing, thereby make the duplexer that constitutes by multilayer film of the present invention according to glass, the film that contains the vinyl copolymer of epoxy radicals, the order that contains the film of amino silane and olefin-based resin.
As utilizing co-extrusion to come out to make to contain the method for layer multilayer film of formation of olefin-based resin and amino silane, can enumerate coextrusion T mould processing method, coextrusion blowing processing method with the layer adjacency of the vinyl copolymer that contains epoxy radicals.At this moment, can with above-mentioned 2 kinds stacked be more than 2 layers, also can be stacked other layer.
When utilizing coextrusion to make multilayer film, preferably carry out at 130~250 ℃.When carrying out the coextrusion shaping, preferably use difference mouth of pipe mould
In addition, as the layer of the layer that utilizes the extruding layer platen press to make to contain olefin-based resin and amino silane and the vinyl copolymer that contains epoxy radicals in abutting connection with and the method for the multilayer film that forms can be enumerated on the film of a layer formation method with stacked other layer of molten condition.
When utilizing the extruding layer platen press to make multilayer film, preferably carry out at 130~300 ℃.
When utilizing coetrusion or extruding layer platen press to make multilayer film of the present invention, because not mixing vinyl copolymer and the amino silane that contains epoxy radicals, so can in extruder, not react.Any one or both of the layer by layer that contains amino silane and olefin-based resin and the vinyl copolymer that contains epoxy radicals are stacked under molten condition, thereby the amino silane that contains in the layer of olefin-based resin reacts to layer moving of the vinyl copolymer that contains epoxy radicals.In addition, the compatibility height of silylation that amino silane is contained and glass is so infer adhesive strength excellence when with the glass heat pressing.
The layer of the vinyl copolymer that contains epoxy radicals of above-mentioned multilayer film is the top layer of this multilayer film, by this top layer of hot pressing and glass, thereby can obtain duplexer.Usually, the condition of hot pressing is that temperature is that 100~250 ℃, pressing time are 1 second~1 hour.The layer of the vinyl copolymer that contains epoxy radicals of this duplexer and the adhesive strength excellence of glass.
The duplexer that uses above-mentioned multilayer film and make can be used as the part of automobile components such as building components such as batteries such as solar cell, secondary cell, fuel cell, sign, headlight, is particularly suitable as the part of solar cell.
For example; according in the mode that is configured to the solar battery cell that electrode is connected between the layer that contains olefin-based resin and amino silane of duplexer of the present invention and the olefin-based resin molding; with duplexer of the present invention, overlapping with the solar battery cell and the olefin-based resin molding of electrode connection; and then dispose backside protective sheet according to the mode of joining with the olefin-based resin molding; carry out hot pressing then, thereby obtain the solar cell of adhesive strength excellence.
In addition, also can when utilizing that hot pressing is legal multilayer film of the present invention is shaped, make solar cell.Particularly; make the film of the vinyl copolymer that contains epoxy radicals and the film that contains olefin-based resin and amino silane respectively; as shown in Figure 1; according to glass (surface protection glass) (5), contain the vinyl copolymer of epoxy radicals film (4), contain the film (3) of olefin-based resin and amino silane, the order of the solar battery cell (1), olefin-based resin molding (9) and the backside protective sheet (8) that are connected with electrode (2) overlaps them; carry out hot pressing, thereby obtain the solar cell of adhesive strength excellence.
Preferred above-mentioned olefin-based resin molding (9) is the film that contains the olefin-based resin identical with the employed olefin-based resin of layer that contains olefin-based resin and amino silane of multilayer film of the present invention, in addition, above-mentioned olefin-based resin mold also can be by with the formed film of layer identical materials that contains olefin-based resin and amino silane of duplexer.
Also can be under the situation of not using above-mentioned olefin-based resin molding; according in the mode that is configured to the solar battery cell that electrode is connected between the layer that contains olefin-based resin and amino silane of duplexer of the present invention and the backside protective sheet; with duplexer of the present invention, overlapping with this order with the solar battery cell and the backside protective sheet of electrode connection; carry out hot pressing then, thereby obtain solar cell.
Embodiment
Below, further describe the present invention by embodiment etc., but the present invention is not limited by they.
1, melt flow rate (MFR) (MFR)
Melt flow rate (MFR) (MFR) is implemented according to JIS K7210 with 190 ℃, the condition of 21.2N loading.
2, from the content of the monomeric unit of GMA
Measure according to the method shown in the WO/2008/081791.
3, adhesive strength
According to thickness is the sequential cascade of the sliding glass of 13mm, film of the present invention, back side film (LDPE (Sumitomo Chemical (strain) system, SUMIKATHENE L705), thickness=50 μ m), uses hot enclosuring device 125 ℃, 0.3MPa hot pressing 30 seconds.Place after 1 hour, overlapping film of the present invention and back side film sandwich in the chuck, carry out 180 ° with sample width 10mm, peeling rate 100mm/min and peel off, and measure peel strength.
4, sample
(1) ethylene-methyl methacrylate glycidyl ester copolymer
EGMA-1: Sumitomo Chemical (strain) system, Bondfast E (from the content=12 weight % of the monomeric unit of GMA (GMA), MFR=3g/10 minute)
EGMA-2: Sumitomo Chemical (strain) system, Bondfast 2C (GMA=6 weight %, MFR=3g/10 minute)
EGMA-3: Sumitomo Chemical (strain) system, Bondfast 20C (GMA=19 weight %, MFR=13g/10 minute)
EGMA-4: Sumitomo Chemical (strain) system, Bondfast 7M (GMA=6 weight %, methyl acrylate=27 weight %, MFR=7g/10 minute)
EGMA-5: Sumitomo Chemical (strain) system, Bondfast 7B (GMA=12 weight %, vinyl acetate=5 weight %, MFR=7g/10 minute)
(2) ethylene-methyl methacrylate methyl terpolymer
EMMA: Sumitomo Chemical (strain) system, ACRYFT WD201 (methyl methacrylate=10 weight %, MFR=2g/10 minute)
(3) ultra-low density polyethylene (ethene-alpha-olefin copolymer)
VLDPE: Sumitomo Chemical (strain) system, Excellen VL200 (density=900kg/m 3, MFR=2g/10 minute)
(4) silane compound
Amino silane: 3-aminopropyltriethoxywerene werene
Vinyl silanes: 3-methacryloxypropyl trimethoxy silane
(5) glass
Sliding glass: loose unrestrained nitre industry (strain) system, S7214 (thickness=1.3mm)
(6) low density polyethylene (LDPE)
LDPE: Sumitomo Chemical (strain) system, Sumikathene L705 (density=919kg/m 3, MFR=7g/10 minute)
Embodiment 1
With
Figure BSA00000465101800111
The mould processing machine, the film of the thick 50 μ m that under the condition of 190 ℃ of barrel temperatures, 30 ℃ of chilled roll temperature, make the film of the thick 50 μ m that form by ethylene-methyl methacrylate glycidyl ester copolymer EGMA-1 (MFR=3, GMA=12 weight %) respectively and form by LDPE.In addition, make 100 weight portion ultra-low density polyethylenes (Sumitomo Chemical (strain) system, Excellen VL200) impregnation 1 weight portion 3-aminopropyltriethoxywerene werene and the resin combination that obtains, make the film of thickness 50 μ m with condition same as described above.Carry out stackedly according to the order of the VL200 film/LDPE film of glass/ethylene-methyl methacrylate glycidyl ester copolymer (EGMA-1) film/impregnation 3-aminopropyltriethoxywerene werene, seal (hot pressing).Adhesive strength is shown in table 1.
Embodiment 2
Except that EGMA-1 being become EGMA-2, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Embodiment 3
Except that EGMA-1 being become EGMA-3, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Embodiment 4
Except that EGMA-1 being become EGMA-4, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Embodiment 5
Except that EGMA-1 being become EGMA-5, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Embodiment 6
Except that being 5 weight portions to the impregnation quantitative change of VL200, carry out similarly to Example 1 the 3-aminopropyltriethoxywerene werene.Adhesive strength is shown in table 1.
Comparative example 1
Directly use not to VL200 film impregnation 3-aminopropyltriethoxywerene werene, in addition, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Comparative example 2
Except that being 0.5 weight portion to the impregnation quantitative change of VL200, carry out similarly to Example 1 the 3-aminopropyltriethoxywerene werene.Adhesive strength is shown in table 1.
Comparative example 3
Do not use the VL200 film of impregnation 3-aminopropyltriethoxywerene werene and only use ethylene-methyl methacrylate glycidyl ester copolymer (EGMA-1) film, in addition, similarly carry out with comparative example 1.Adhesive strength is shown in table 1.
Comparative example 4
At mixed at room temperature 50 weight portion VL200 and 50 weight portion EGMA-1 (the total weight of VL200 and EGMA-1 is 100 weight portions),, use with respect to total weight 100 weight portion impregnation 3-aminopropyltriethoxywerene werene 1 weight portion of VL200 and EGMA-1 It is mixing that two mixing extruders carry out in the condition of 150 ℃ of barrel temperatures, and the composition that obtains is used
Figure BSA00000465101800132
The mould processing mechanism is made film forming.If because this film fecund is given birth to gel, is pullled when making film then film takes place and rupture, so thickness is made 100 μ m.Use this film, the sequential cascade according to glass/this film/LDPE seals.Adhesive strength is shown in table 1.
Comparative example 5
Except that EGMA-1 being become EMMA, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Comparative example 6
Except that EGMA-1 being become VL200, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Comparative example 7
Become the 3-methacryloxypropyl trimethoxy silane except that containing the 3-aminopropyltriethoxywerene werene that is dipped in VL200, carry out similarly to Example 1.Adhesive strength is shown in table 1.
Table 1
Figure BSA00000465101800141
Notes) fecund is given birth to gel and is processed at film
The fracture of Shi Yinqi film is made sample with 100 μ m

Claims (9)

1. multilayer film, contain the olefin-based resin and with respect to the layer of these olefin-based resin 100 weight portions amino silane that is 0.8~10 weight portion, with the layer adjacency that contains the vinyl copolymer of epoxy radicals.
2. multilayer film as claimed in claim 1, wherein, the vinyl copolymer that contains epoxy radicals contains from the monomeric unit of ethene and the monomeric unit of the alkene that comes self-contained epoxy radicals, with the weight of this vinyl copolymer during as 100 weight %, coming the content of monomeric unit of the alkene of self-contained epoxy radicals is 3~25 weight %.
3. multilayer film as claimed in claim 2, wherein, the monomeric unit that comes the alkene of self-contained epoxy radicals is the monomeric unit from GMA.
4. as each described multilayer film in the claim 1~3, wherein, the content of amino silane is 1~5 weight portions with respect to olefin-based resin 100 weight portions.
5. as each described multilayer film in the claim 1~4, by the hot pressing manufactured.
6. as each described multilayer film in the claim 1~4, make by coetrusion.
7. as each described multilayer film in the claim 1~4, make by the extruding layer platen press.
8. duplexer, the layer of the vinyl copolymer that contains epoxy radicals of each described multilayer film is the top layer of this multilayer film in the claim 1~7, this top layer and glass heat pressing.
9. a solar cell has the described duplexer of claim 8.
CN2011100818755A 2010-04-01 2011-03-29 Film, laminated body and solar cell Pending CN102218878A (en)

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CN110444632A (en) * 2019-07-08 2019-11-12 绵阳金能移动能源有限公司 A method of using electrode before graphene conductive film preparation flexible solar cell

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CN103182812A (en) * 2011-12-30 2013-07-03 深圳富泰宏精密工业有限公司 Plastic composite body and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110444632A (en) * 2019-07-08 2019-11-12 绵阳金能移动能源有限公司 A method of using electrode before graphene conductive film preparation flexible solar cell

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