WO2004055908A1 - 太陽電池モジュール用充填材シートおよびそれを使用した太陽電池モジュール - Google Patents
太陽電池モジュール用充填材シートおよびそれを使用した太陽電池モジュール Download PDFInfo
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- WO2004055908A1 WO2004055908A1 PCT/JP2003/016089 JP0316089W WO2004055908A1 WO 2004055908 A1 WO2004055908 A1 WO 2004055908A1 JP 0316089 W JP0316089 W JP 0316089W WO 2004055908 A1 WO2004055908 A1 WO 2004055908A1
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- Prior art keywords
- solar cell
- sheet
- cell module
- filler
- weight
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10678—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising UV absorbers or stabilizers, e.g. antioxidants
-
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- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a filler sheet for a solar cell module and a solar cell module using the same. More specifically, the present invention relates to a solar cell module having excellent strength, durability, etc., and also has weather resistance, heat resistance, light resistance, water resistance, wind resistance, It excels in various properties such as hail resistance, suitability for vacuum lamination, etc., and has extremely excellent heat-sealing properties without being affected by manufacturing conditions such as thermocompression bonding for manufacturing solar cell modules. The present invention relates to an extremely useful filler sheet for a solar cell module capable of manufacturing a solar cell module at low cost, and a solar cell module using the same. Background art
- the above-mentioned solar cell module manufactures, for example, a crystalline silicon solar cell element or an amorphous silicon solar cell element, and uses such a solar cell element to form a surface protection sheet, a filler sheet, a photovoltaic element. It is manufactured by laminating a solar cell element as a device, a filler sheet, a back surface protection sheet, and the like in that order, and then using a lamination method in which these are vacuum-sucked and heated and pressed.
- the above-mentioned solar cell module is initially applied to calculators, and then applied to various electronic devices, etc., and its application range is rapidly expanding for consumer use.
- the most important issue in the future is to realize large-scale centralized solar power generation.
- the filler sheet laminated on the front side and the back side of the solar cell element as the photovoltaic element is the same. It is necessary to have transparency to transmit this ⁇ ⁇
- the thing located on the back side is not necessarily required to have transparency.
- the filler sheet constituting the solar cell module has, of course, an adhesive property with a surface protection sheet or a back surface protection sheet. It has thermoplasticity to fulfill the function of maintaining the smoothness of the solar cell, and furthermore, because it protects the solar cell element as a photovoltaic element, it has excellent strength, durability, etc., as well as weather resistance and heat resistance. It is said that it is necessary to be excellent in various properties such as resistance, light resistance, water resistance, wind pressure resistance, hail resistance, etc., and also excellent in scratch resistance, shock absorption, etc. .
- ethylene monoacetic acid having a thickness of 400 / im to 600 ⁇ is preferred from the viewpoints of workability, workability, production cost and the like.
- Filler sheets made of bullet copolymers are used as the most common ones (for example, Japanese Patent Application Laid-Open Nos. 58-63178 (Claims), and See Japanese Patent Application Publication No. 229778 (claims).
- the thickness 400 ⁇ ! A filler sheet made of ethylene monoacetate butyl copolymer, etc. of up to 600 is used, and this is laminated with a surface protection sheet, a solar cell element, a backside protection sheet, etc., and vacuum suction is performed integrally.
- the ethylene-vinyl acetate copolymer, etc. may be used depending on the conditions of the heat-press bonding or the storage and storage of the manufactured solar cell module.
- the filler sheet made of is affected, for example, the ethylene monoacetate butyl copolymer is thermally shrunk or decomposed by thermal decomposition to release acetic acid, decomposing gas such as acetic acid gas, decomposition products, etc.
- acetic acid decomposing gas
- decomposition products etc.
- This causes adverse effects on the solar cell module for example, corrodes and degrades the electrodes that make up the solar cell module, or reduces power generation. Or reacts with the amorphous part of the silicon that composes the solar cell element, causing problems such as a decrease in electromotive force.
- the ethylene monoacetate butyl copolymer may undergo heat shrinkage or If acetic acid is liberated due to thermal decomposition, etc., and decomposed gas such as acetic acid gas is generated, the working environment etc. is deteriorated, the influence on workers etc. is unavoidable, and the production environment improvement etc. can be avoided Not only does this significantly increase costs, but also significantly impedes productivity.
- the resin itself such as the above-mentioned ethylene-vinyl acetate copolymer, etc.
- the resin itself is slightly lacking in strength, durability, etc., and is excellent in various properties such as weather resistance, heat resistance, light resistance, wind pressure resistance, and hail resistance.
- it is degraded by ultraviolet rays or the like due to sunlight or the like, and discoloration such as yellowing is caused, and there is a problem that the design and decorativeness of the appearance are significantly impaired. . Disclosure of the invention
- the present invention has been made in view of the above problems, and the material forming the filler sheet is not affected by the manufacturing conditions of the solar cell module, and is further excellent in strength, durability, and the like, and Excellent in various properties such as weather resistance, heat resistance, water resistance, light resistance, wind resistance, hail resistance, suitability for vacuum lamination, etc., and are affected by manufacturing conditions such as thermal compression bonding for manufacturing solar cell modules.
- Very useful solar cell module filler sheet and solar cell module using the same which can produce solar cell modules stably, at low cost, and suitable for various uses, having extremely excellent heat-sealing properties To provide the rules.
- a filler sheet consisting of a resin film composed of a resin and a resin composition containing one or more light stabilizers, ultraviolet absorbers, or heat stabilizers, the front and back sides of the solar cell element
- the filler sheet instead of the conventional filler sheet made of ethylene-vinyl acetate copolymer or the like, a copolymer of the above-mentioned thiolefin and an ethylenically unsaturated silane compound or its modification or condensation
- the filler sheet is composed of a resin film of a resin composition comprising a body and one or more kinds selected from the group consisting of a light stabilizer, an ultraviolet absorber, and a heat stabilizer.
- Surface protective sheet shed Orefuin and an ethylenically unsaturated silane compound From a resin film containing a copolymer or a modified or condensed product thereof, and one or more selected from the group consisting of a light stabilizer, an ultraviolet absorber, and a heat stabilizer.
- a solar cell module was manufactured using a method such as the method described above, a copolymer of the above ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof, a light stabilizer, an ultraviolet ray,
- a filler sheet made of a resin film made of a resin composition containing one or more selected from the group consisting of an absorbent and a heat stabilizer has excellent strength, durability, etc., as well as weather resistance and heat resistance.
- Excellent properties such as heat resistance, water resistance, light resistance, wind pressure resistance, hail resistance, suitability for vacuum lamination, etc., and extremely excellent heat melting without being affected by the manufacturing conditions such as thermocompression bonding for manufacturing solar cell modules.
- the present invention has been completed by finding that it is possible to manufacture an extremely useful solar cell module having an adhesive property, stably, at low cost, and suitable for various uses.
- a filler sheet made of a resin film of a resin composition containing maleic anhydride-modified polyolefin as a filler sheet laminated on the front side and the back side of the solar cell element, ⁇ -olefin and ethylenic properties can be obtained.
- a resin film comprising a resin composition containing a copolymer with an unsaturated silane compound or a modified or condensed product thereof, and one or more selected from the group consisting of a light stabilizer, an ultraviolet absorber, and a heat stabilizer.
- the present invention provides, as a filler sheet to be laminated on the front side and the back side of a solar cell element, a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof;
- a filler sheet for a solar cell module wherein the filler sheet comprises a resin film of a resin composition containing at least one member selected from the group consisting of an ultraviolet absorber and a heat stabilizer. And it This relates to the used solar cell module.
- the present invention is characterized in that the filler sheet is formed from a resin film of a resin composition containing a maleic anhydride-modified polyolefin as a filler sheet laminated on the front side and the back side of the solar cell element.
- the present invention relates to a battery filler sheet and a solar cell module using the same.
- the filler sheet made of a resin film of the resin composition containing the above is excellent in strength, durability, etc., and also has weather resistance, heat resistance, water resistance, light resistance, wind resistance, hail resistance, vacuum lamination. It has excellent properties such as suitability, and has extremely excellent heat-sealing properties without being affected by manufacturing conditions such as thermocompression bonding for manufacturing solar cell modules.
- a very useful solar cell module suitable for various uses can be stably manufactured at low cost.
- the filler sheet comprising a resin film of the resin composition containing the maleic anhydride-modified polyolefin according to the present invention is excellent in the above-mentioned various properties, and furthermore, by using this filler sheet, Excellent adhesion stability can be achieved even for surface-treated surface protection sheets and backside protection sheets.
- FIG. 1 is a diagram schematically illustrating a layer configuration as an example of a solar cell module manufactured using a filler sheet according to the present invention.
- sheet means any of a sheet or a film
- film means any of a film or a sheet. is there.
- the filler sheet laminated on the front surface side of the solar cell element needs to have transparency so that sunlight can enter and pass through it.
- the filler sheet laminated on the front surface side of the solar cell element needs to have transparency so that sunlight can enter and pass through it.
- it excels in strength, durability, etc., and has excellent properties such as weather resistance, heat resistance, light resistance, water resistance, wind pressure resistance, hail resistance, vacuum lamination suitability, and also manufactures solar battery modules. It is necessary to have extremely excellent heat-sealing properties without being affected by the manufacturing conditions such as heat and pressure bonding, and also to have excellent scratch resistance, shock absorption properties, and the like.
- the filler sheet laminated on the back side of the solar cell element also needs to have adhesiveness to the back protective sheet, like the filler sheet laminated on the front side of the solar cell element.
- the photovoltaic element has thermoplasticity in order to perform the function of maintaining the smoothness of the back surface of the solar cell element, and further from the protection of the solar cell element as a photovoltaic element, It has excellent strength, strength, weather resistance, heat resistance, light resistance, water resistance, wind pressure resistance, hail resistance, suitability for vacuum lamination, etc., and is extremely durable. It is necessary to have excellent shock absorption properties.
- the filler sheet laminated on the back surface side of the solar cell element is not necessarily required to have transparency. .
- a filler sheet having the above-mentioned performance, function, characteristics, etc. a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof is used.
- a filler sheet made of a resin film of a resin composition containing one or more light stabilizers, ultraviolet absorbers, or heat stabilizers (hereinafter, sometimes referred to as a filler sheet ( ⁇ ⁇ ⁇ ).) It constitutes.
- a resin composition containing a maleic anhydride-modified polyolefin is used as a filler sheet having the above-mentioned performance, function, characteristics, and the like.
- a filler sheet (hereinafter, sometimes referred to as a filler sheet (B)) is composed of a resin film.
- a filler sheet is formed by using substantially the same material on both the front surface side and the rear surface side of the solar cell element.
- filler sheet (A) and the filler sheet (B) will be described in detail.
- the filler sheet (A) is composed of a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof, and one or two kinds of a light stabilizer, an ultraviolet absorber, or a thermal stabilizer. And a resin film of a resin composition containing the above.
- a method for producing each component of the resin composition will be described.
- a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof which constitutes a filler sheet ( ⁇ ) laminated on both the front surface side and the back surface side of the solar cell element of the present invention.
- a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof include, for example, one or more ⁇ -olefins and an ethylenically unsaturated compound.
- One or more of the silane compounds and, if necessary, one or more of the other unsaturated monomers are used in a desired reaction vessel, for example, at a pressure of 500 to 400 kg / cm, preferably, 1 0 0 0 ⁇ 4 0 0 0 kg / cm 2, temperature 1 0 0 ⁇ 4 0 0 ° C, preferably under conditions of 1 5 0 ⁇ 3 5 0 ° C , the radical polymerization Initiator and, if necessary, random copolymerization simultaneously or stepwise in the presence of a chain transfer agent, and furthermore, the portion of the silane compound constituting the random copolymer formed by the copolymerization is not modified or modified. Condensation to form a copolymer of a-olefin and ethylenically unsaturated silane compound. Body or Gill in that exemplified by the its modified or condensate.
- the copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof includes, for example, one kind of ⁇ -olefin. Or two or more, and if necessary, one or more other unsaturated monomers, in a desired reaction vessel, and in the same manner as described above, the radical polymerization initiator and, if necessary, the chain transfer agent. In the presence, polymerize simultaneously or stepwise, and then add one or two types of ethylenically unsaturated silane compound or its initial condensate or condensate to the polyolefin polymer formed by the polymerization.
- the silane compound constituting the graft copolymer formed by the copolymer is modified or condensed to form a copolymer of ⁇ -olefin and the ethylenically unsaturated silane compound.
- examples of such a compound include those obtained by producing a union or a modified or condensed product thereof.
- the polymer portion composed of __olefin includes transparency, processability, adhesion, cost, etc.
- the Si atom portion constituting the silane compound includes, for example, an alkyl such as methyl and ethyl.
- a group such as an alkoxy group such as a group, a methoxy group, or an ethoxy group, a hydroxy group, or a halogen atom may be arbitrarily bonded.
- ⁇ -olefins include, for example, ethylene, propylene, 1-butene, isobutylene, 1-pentene, 2-methyl-1-butene, 3-methinole—1-butene, 1-hexene, 1-heptene, 1—
- otaten, 1-nonene, and 1-decene can be used.
- examples of the ethylenically unsaturated silane compound include vinyl oletrimethoxysilane, biertriethoxysilane, burtripropoxy silane, burtri isopropoxy silane, butyl tributoxy silane, vinyl pent pentoxy silane, and butyl trienoxy.
- Sisilane, vinyltribenzyloxysilane, vinyltrimethylenedioxysilane, butyltriethylenedioxysilane, butylpropionyloxysilane, vinyltriacetoxysilane, or One or more vinyltricarboxysilanes can be used.
- unsaturated monomers include, for example, vinyl acetate, acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid, methyl acrylate, methyl methacrylate, ethyl acrylate, styrene, One or more of Atari lonitrile, Metathal onitrile, or Bier alcohol can be used.
- examples of the radical polymerization initiator include, for example, lauroyl peroxide, dipropionyl peroxide, benzoyl peroxide, g-butyltinoleoxide, t-butyl / hydroxide, t-butyl peroxide.
- examples of the chain transfer agent include, for example, paraffinic hydrocarbons such as methane, ethane, propane, butane, and pentane, ⁇ -olefins such as propylene, butene-11, hexene-11, etc., formaldehyde, and acetoaldehyde.
- paraffinic hydrocarbons such as methane, ethane, propane, butane, and pentane
- ⁇ -olefins such as propylene, butene-11, hexene-11, etc.
- formaldehyde and acetoaldehyde.
- Aldehydes such as ⁇ -butyl aldehyde, ketones such as acetone, methyl ethyl ketone and cyclohexanone, aromatic hydrocarbons, chlorinated hydrocarbons and the like can be used.
- a method of modifying or condensing a part of the silane compound constituting the random copolymer or a method of modifying or condensing the part of the silane compound constituting the graft copolymer includes, for example, tin Carboxylates of metals such as zinc, iron, lead, and cobalt; organic metal compounds such as titanates and chelates; organic bases, inorganic acids, and silanol condensation catalysts such as organic acids.
- a random copolymer or a copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound is subjected to a dehydration-condensation reaction between silanols of a silane compound part constituting the graft copolymer, thereby obtaining ⁇ -olefin and ethylene.
- unsaturated silane compounds A modified or condensed product of the copolymer can be produced.
- the content of the ethylenically unsaturated silane compound constituting the copolymer of ⁇ -olefin and the ethylenically unsaturated silane compound is, for example, 0.001 to 30% by weight, preferably , 0.01 to: L 0% by weight, particularly preferably 0.01 to 5% by weight.
- the content of the ethylenically unsaturated silane compound constituting the copolymer of the one-year-old olefin and the ethylenically unsaturated silane compound is large, it is excellent in mechanical strength, heat resistance, etc. Conversely, if the content is excessive, the tensile elongation may be inferior, and the free ethylenically unsaturated silane compound may inhibit the adhesion, and may tend to be inferior in heat-sealing properties. When the content is small, the adhesion to other members may be poor.
- ethylene is used as a material constituting the filler sheet ( ⁇ ) laminated on the front side and the back side of the solar cell element.
- ethylene is used in order to exhibit effects such as strength, heat resistance, and heat fusion property.
- the content of the unsaturated silane compound the above content is most preferable.
- the light stabilizer, ultraviolet absorber, or heat stabilizer constituting the filler sheet ( ⁇ ⁇ ⁇ ) laminated on both the front surface side and the back surface side of the solar cell element will be described.
- the present invention by adding one or more of the above-mentioned light stabilizers, ultraviolet absorbers or heat stabilizers, stable mechanical strength, adhesive strength, yellowing prevention, crack prevention, and A filler sheet having characteristics such as excellent workability can be manufactured.
- the above-mentioned light stabilizer there can be used those which do not impair the performance of the filler sheet such as sealability and total light transmittance, and which prevent deterioration of the performance of the filler sheet due to light.
- a hindered amine light stabilizer it is possible to use.
- the amount of addition varies depending on the light-fastening agent, but is preferably 0.01 to 5% by weight, preferably 0.01 to 3% by weight, based on the copolymer of polyolefin and the ethylenically unsaturated silane compound or a modified or condensed product thereof. %, More preferably 0.01 to 1% by weight.
- the amount is less than the above range, the effect as a light-proof agent is insufficient, and if it is more than the above range, it may bleed out to the sheet surface and inhibit the adhesion. In addition, it is not preferable because the cost increases.
- the above-mentioned ultraviolet absorbers include, for example, organic compounds such as benzophenone-based, benzoate-based, triazole-based, triazine-based, salicylic acid derivative-based, and atarilonitrile derivative-based compounds, as well as titanium oxide and zinc oxide.
- organic compounds such as benzophenone-based, benzoate-based, triazole-based, triazine-based, salicylic acid derivative-based, and atarilonitrile derivative-based compounds, as well as titanium oxide and zinc oxide.
- Inorganic fine particles can also be used.
- benzophenone-based compounds include, but are not limited to, kutabenzone and 2-hydroxy-n-octoxy-benzophenone
- benzoate-based compounds include 2,4-di-tert-butynolefenolene.
- 5-di-tert-butynole 4-hydroxybenzoate and other triazoles include 2- [5-chloro (2H) -benzotriazole-2 ⁇ ]-4--4-methinole 6-( tert-butinore) pheno-nore, 2,4-di-tert-butinore _6— (5_black benzotriazonore-12-yl) phenol and other triazines are 2— (4,6) —Diphenyl-1,3,5-triazine-1-yl) -5-[(hexyl) phenyl] phenyl or the like can be used.
- the amount of addition varies depending on the type of the ultraviolet absorber, but is preferably 0.01 to 5% by weight based on the copolymer of ⁇ -olefin and the ethylenically unsaturated silane compound or a modified or condensed product thereof. Is preferably from 0.01 to 3% by weight, more preferably from 0.01 to 1% by weight.
- the amount is less than the above range, the effect as an ultraviolet absorber is insufficient, and when the amount is more than the above range, it may bleed out to the sheet surface to hinder the adhesiveness. In addition, it is not preferable because the cost is high.
- the above-mentioned heat stabilizer is used for heat resistance during processing, and for example, a phosphorus-based heat stabilizer, a phenol-based heat stabilizer, or a lactone-based heat stabilizer can be used.
- phosphorus-based heat stabilizers include tris (2,4-di-tert-butylphenyl) phosphite and bis [2,4-bis (1,1-dimethylethyl) -16-methylphenyl] ethyl ester Phosphorous acid, tetrakis (2,4-di-tert-butylphenyl) [1,1-biphenyl] 1-4,4'-diylbisphosphonite, bis (2,4-di-tert-butylbutynophenyl) pentaerythritol diphos
- a lactone-based heat stabilizer such as phyto
- a reaction product of 3-hydroxy-5,7-di-tert-butyl-furan-1-one and o-xylene can be used. It is also possible to use two or more of these if necessary.
- the amount added varies depending on the type of the heat stabilizer, but is preferably 0.01 to 5% by weight, and more preferably 0.01 to 5% by weight, based on the copolymer of ⁇ -olefin and the ethylenically unsaturated silane compound or a modified or condensed product thereof. 0.1 to 3% by weight, more preferably 0.01 to 1% by weight is desirable.
- the amount is less than the above range, the effect as a heat stabilizer is insufficient, and when the amount is more than the above range, bleeding out to the sheet surface may hinder the adhesiveness. In addition, it is not preferable because the cost increases.
- Such a resin composition of the present invention comprises the above-mentioned copolymer of ⁇ -olefin and an ethylenically unsaturated silane compound or one or more modified or condensed products thereof,
- One or more of such light stabilizers, ultraviolet absorbers, or heat stabilizers are added, and if necessary, components other than the above components may be added as long as the effects of the present invention are not impaired.
- various additives commonly used for example, antioxidants, nucleating agents, neutralizing agents, lubricants, antiblocking agents, antistatic agents, dispersants, flow improvers , Release agents, flame retardants, coloring agents, fillers, etc.
- the content of the copolymer of horefin and the ethylenically unsaturated silane compound or the modified or condensed product thereof in the resin composition is preferably 0.01% by weight or more, more preferably It is at least 1% by weight, more preferably at least 3% by weight.
- the resin composition can be prepared by adding another resin to the above resin composition without impairing the present invention.
- the above resin for example, an ethylene- ⁇ -olefin copolymer polymerized using a meta-mouth catalyst can be used.
- a polymer having a narrow molecular weight distribution of a polymer serving as a main polymer as described above can be used. Since the moldability is somewhat inferior, it is possible to use low-density polyethylene-polypropylene with different densities and to add this to improve the moldability.
- the filler sheet ( ⁇ ) is composed of a resin film made of a resin composition containing maleic anhydride-modified polyolefin and one or more light stabilizers, ultraviolet absorbers, or heat stabilizers.
- a resin film made of a resin composition containing maleic anhydride-modified polyolefin and one or more light stabilizers, ultraviolet absorbers, or heat stabilizers.
- the maleic anhydride-modified polyolefin that constitutes the filler sheet ( ⁇ ) laminated on both the front side and the back side of the solar cell element used in the present invention is ⁇ -olefin and other unsaturated substances used as necessary. It is modified by graft copolymerization of maleic anhydride to a polyolefin-based polymer obtained by polymerizing a monomer.
- the filler sheet ( ⁇ ) is rich in reactivity with the polar group present on the surface of the surface-treated surface protection sheet and the backside protection sheet. This is useful in that the adhesion stability to the sheet can be ensured.
- maleic anhydride-modified polyolefin does not deteriorate the working environment because it does not produce a low-molecular-weight compound in the adhesive formation process, and is advantageous in cost.
- the maleic anhydride-modified polyolefin may be used alone or in combination of two or more.
- Such a maleic anhydride-modified polyolefin is prepared by using one or two or more ⁇ -olefins and, if necessary, one or more other unsaturated monomers in a desired reaction vessel.
- a desired reaction vessel for example, usually 500 ⁇ 4000 k gZcm 2 pressure, preferably 1000 to 4000 kg / cm 2, temperature of usually 100 to 400 ° C, the good Mashiku under the conditions of 150 to 350 ° C, contact the radical polymerization initiator If necessary It is produced by simultaneously or stepwise polymerizing in the presence of a chain transfer agent, and then graft copolymerizing maleic anhydride with the polyolefin polymer produced by the polymerization.
- Examples of the ⁇ -olefin used in the present invention include ethylene, propylene, 1-butene, isobutylene, 11-pentene, 2-methyl-1-butene, 3-methyl-11-butene, 1-hexene, 1-heptene, 4 —Methylpentene-1-1, 1-otaten, 1-nonene, or 1-decene.
- the polymer portion comprising one or more of these monoolefins includes low-density polyethylene, medium-density polyethylene, high-density polyethylene, Preferable examples include ultra-low density polyethylene, linear low-density polyethylene, polypropylene, and a copolymer of ethylene and ⁇ - olefin polymerized using a single-site catalyst.
- linear low-density polyethylene is particularly preferable because it has a narrow molecular weight distribution and does not by-produce a low-molecular-weight compound derived from a low-molecular-weight polymer in the bonding formation process.
- radical polymerization initiators, and chain transfer agents used as necessary for the polyolefin-based polymer the same ones as described in the filler sheet ( ⁇ ) can be used. it can.
- the maleic anhydride-modified polyolefin used in the present invention is a polyolefin-based polymer as described above, which is modified by graft copolymerization of maleic anhydride.
- the maleic anhydride content in the maleic anhydride-modified polyolefin is preferably in the range of 0.001% to 30% by weight, more preferably 0.01% by weight to 30% by weight. It is 10% by weight, more preferably 0.01% to 5% by weight.
- the content of maleic anhydride is high, it is difficult to obtain adhesive properties such as a fluorine-based resin sheet treated with atmospheric pressure plasma as a surface protection sheet and a color steel sheet coated with a polyester paint as a backside protection sheet. Even when a material is used, it can be firmly bonded to a functional group on the surface thereof, which is preferable in that the bonding stability can be ensured. However, if the content of maleic anhydride is excessive, unreacted products and by-products The production of the product cannot be controlled, and the bonding performance is reduced.
- the weight average molecular weight of such an anhydrous maleic polyolefin based on gel permeation chromatography is preferably in the range of 1,000 to 1300,000, more preferably 10,000 to 500,000. 000, more preferably 50,000 to 100,000. If it is lower than this range, it is impossible to control the properties of the material and the material, and the bonding ability and the production capacity s decrease. Conversely, if it is higher than this range, the transparency will deteriorate.
- the ratio (Mw IVIn) between the weight average molecular weight (Mw) and the number average molecular weight (Mn) is preferably 6 or less, more preferably 5 or less, and even more preferably 4 or less. Within this range, the dispersion of the molecular weight distribution is narrow, so that the generation of by-products due to the low molecular weight polymer is suppressed.
- the number average molecular weight (Mn) is determined from the molecular weight distribution diagram obtained by separation based on the difference in molecular size by gel permeation chromatography.
- the resin film constituting the filler sheet (B) of the present invention contains, in addition to the maleic anhydride-modified polyolefin, one or more light stabilizers, ultraviolet absorbers, or heat stabilizers. It is preferable that the resin composition is obtained by using a resin composition.
- the light stabilizer ultraviolet absorber or thermal stabilizer used for such a filler sheet (B), the same ones as described for the filler sheet (A) can be used, and the amount used is also the same. Is preferably within the range.
- Such a resin composition of the present invention comprises one or more of the above-mentioned maleic anhydride-modified polyolefins and one or more of the above-mentioned light stabilizers, ultraviolet absorbers, or heat stabilizers. Two or more components are added, and if necessary, components other than the above components are arbitrarily added to the extent that the effects of the present invention are not impaired.
- Additives such as antioxidants, nucleating agents, neutralizing agents, lubricants, professionals Add optional anti-locking agents, anti-static agents, dispersants, flow improvers, release agents, flame retardants, coloring agents, fillers, etc., and if necessary, add solvents, diluents, etc. , Henschel mixer, ribbon blender, V-type blender, etc., and then uniformly mixed and melt-kneaded with a single-screw or multi-screw extruder, roll, bumper mixer, kneader, brabender, etc., to form a pellet or powder It can be prepared as a resin composition having properties such as shape.
- the content of the maleic anhydride-modifying polyolefin in the above resin yarn is preferably 0.01% by weight or more, more preferably 1% by weight. / 0 or more, more preferably 3% by weight or more.
- the resin composition described above can be further prepared by adding another resin within a range that does not impair the present invention.
- the other resin it is preferable to use low-density polyethylene, polypropylene, or the like having different densities in order to improve moldability for the same reason as described for the filler sheet (A).
- a copolymer of haloolefin and an ethylenically unsaturated silane compound or a modified or condensed product thereof, and one or more kinds of light stabilizers, ultraviolet absorbers, or heat stabilizers are used.
- a resin composition containing maleic anhydride-modified polyolefin and one or more light stabilizers, ultraviolet absorbers, or heat stabilizers A method of forming a filler sheet will be described.
- the resin composition according to the present invention prepared above is used, and a molding method usually used for ordinary thermoplastic resin, that is, injection molding, extrusion molding, blow molding, compression
- a molding method usually used for ordinary thermoplastic resin that is, injection molding, extrusion molding, blow molding, compression
- the above-mentioned resin composition when used in the form of a master patch and is mixed and molded, it is preferable because of its excellent dispersibility and moldability. It is.
- a film made of the above resin composition according to the present invention Or a sheet, and the surface protection sheet, the above-mentioned film or sheet as a filler layer, the solar cell element as a photovoltaic element, the above-mentioned film or sheet as a filler layer, and the backside protection
- the sheets are laminated one after another, and then these are integrated by a vacuum suction or the like, and then heat-pressed, using a normal forming method such as a lamination method.
- a solar cell module can be manufactured.
- the resin composition according to the present invention is used, and a molding method usually used for a usual thermoplastic resin, that is, various molding methods such as T-die extrusion molding is used.
- the resin composition is melt-extruded and laminated on the front surface and the back surface of the solar cell element, and the extruded resin layer of the resin composition according to the present invention is applied to the surface of the solar cell element and the surface thereof.
- a filler sheet can be formed on the back surface and using the extruded resin layer as a resin film.
- the resin composition according to the present invention is used, and is melt-extruded and laminated on the front and back surfaces of the solar cell element to form an extruded resin layer.
- a sheet, a solar cell element having an extruded resin layer as a filler layer on the front and back surfaces thereof, and a back surface protection sheet are sequentially laminated, and then these are integrated and heated and pressed by vacuum suction or the like.
- the solar cell module can be manufactured by heat-press-molding each of the above-mentioned layers as an integral molded body.
- the resin composition according to the present invention is used, and a molding method usually used for ordinary thermoplastic resins, that is, various molding methods such as T-die extrusion molding is used.
- the resin composition according to the present invention is used, and this is melt-extruded and laminated on the surface of the surface protection sheet and the back surface protection sheet, and the extruded resin layer of the resin composition according to the present invention is referred to as a surface protection sheet.
- the filler sheet can be formed on each surface of the back surface protection sheet and the extruded resin layer is used as a resin film.
- the resin composition according to the present invention is used, and is melt-extruded and laminated on each surface of the surface protection sheet and the back surface protection sheet to form an extruded resin layer.
- Surface protection sheet, filler sheet laminated on its surface Extruded resin layer, solar cell element, extruded resin layer as a filler sheet laminated on the surface of the backside protection sheet, and backside protection sheet are sequentially laminated, and then these are integrated by vacuum suction or the like.
- a solar cell module can be manufactured by using a normal molding method such as a lamination method in which the above-described layers are formed into an integrally molded body by thermocompression bonding.
- a p-layer, an i-layer, an n-layer, etc. constituting an amorphous silicon solar cell element are formed on a surface of a glass substrate or the like as a surface protection sheet.
- a resin composition it is melt-extruded and laminated on the surface of the amorphous silicon solar cell element formed above to form an extruded resin layer as a filler sheet.
- a backside protective sheet is laminated on the surface, and then these are integrated into a single body by vacuum suction or the like and then heated and pressed using a normal molding method such as a lamination method.
- the solar cell module can be manufactured by compression molding.
- the filler sheet composed of the resin film of the resin composition according to the present invention has a thickness of 100 ⁇ ! 11 mm, preferably 300 ⁇ m to 60 mm.
- the filler sheet made of the resin film of the resin composition according to the present invention exhibits a heat-sealing property or the like by heat-compression bonding performed at the time of molding a solar cell module.
- the above-mentioned film or sheet as a filler sheet, the solar cell element as a photovoltaic element, the above-mentioned film or sheet as a filler sheet, and a backside protective sheet are sequentially laminated and thermally fused to form This makes it possible to manufacture a solar cell module having excellent durability.
- the above-mentioned filler sheet made of a resin film of the resin composition according to the present invention is itself affected by the action of heat or the like, and its structure or the like is broken or decomposed. Therefore, the generation of decomposed gas and impurities due to its destruction and decomposition is not observed.Therefore, there is no adverse effect on the solar cell element, etc. This makes it possible to manufacture excellent solar cell modules.
- a filler sheet comprising a resin film of the resin composition according to the present invention described above, It has excellent strength, durability, etc., and has excellent properties such as weather resistance, heat resistance, light resistance, water resistance, wind pressure resistance, hail resistance, etc., and also has excellent scratch resistance, shock absorption, etc. Accordingly, it is possible to manufacture a solar cell module having extremely excellent durability.
- the gel fraction of the solar cell module filling W sheet of the present invention is preferably 10% or less, and more preferably 0%. When the gel fraction exceeds this range, lowered workability of solar ⁇ modular Yule during production, adhesion between the surface protection sheet Ya back protective sheet may be I 1 production to be inadequate.
- the gel fraction of the above-mentioned filled sheet is, for example, a surface protective sheet, filled: 1 sheet, solar element, filled: «* years old sheet, and a back protective sheet, laminated in this order, and These mean the fraction of peeling tH when a solar cell module is manufactured by using a normal growth fiber such as a lamination method in which vacuum suction and heating are performed, and each layer is integrally formed.
- FIG. 1 is a schematic cross-sectional view showing an example of the layer configuration of the solar cell module according to the present invention.
- the solar cell module 10 includes a surface protection sheet 1, a filler sheet 2, a solar cell element 3 as a photovoltaic element, a filler sheet 4, and a back surface protection sheet.
- the basic structure is such that the above-described layers are formed into an integrated molded body by using a normal molding method such as a lamination method in which 5 is sequentially laminated, and then these are vacuum-sucked and heated and pressed. Things.
- the above exemplification shows an example of the solar cell module according to the present invention, and the present invention is not limited thereto.
- the surface protective sheet constituting the solar cell module according to the present invention
- the surface protective sheet has sunlight permeability, electric insulation, etc., and is excellent in mechanical or chemical or physical strength.
- the surface protective sheet as described above include, for example, a glass plate or the like, a polyethylene resin, a polypropylene resin, a cyclic polyolefin resin, a fluorine resin, and a polystyrene resin.
- Acrylonitrile-styrene copolymer (AS resin), acrylonitrile-butadiene-styrene copolymer (ABS resin), polyvinyl chloride resin, poly (meth) acrylic resin, polycarbonate resin, polyethylene terephthalate Polyester resins such as polyethylene naphthalate, polyamide resins such as various nylons, polyimide resins, polyamide imide resins, polyaryl phthalate resins, silicone resins, polysulfone resins, polyphenylene sulfide resins, Polyether Sulfone resins, polyurethane resins, Asetaru resin, may be used films or sheets of various resins such as cellulose resins.
- AS resin Acrylonitrile-styrene copolymer
- ABS resin acrylonitrile-butadiene-styrene copolymer
- polyvinyl chloride resin poly (meth) acrylic resin
- polycarbonate resin polyethylene terephthalate
- a fluorine-based luster a cyclic polyolefin-based luster, a polycarbonate resin, a poly (meth) acrylic resin, or a polyester resin film
- a polycarbonate resin a poly (meth) acrylic resin
- a polyester resin film It is preferable to use a sheet.
- a film or sheet of the above-mentioned fluorine-based resin, cyclic polyolefin-based resin, polycarbonate-based resin, poly (meth) acrylic resin, or polyester-based resin has mechanical properties and chemical properties. Excellent in properties, physical properties, etc.Specifically, it has excellent robustness such as weather resistance, heat resistance, water resistance, light resistance, moisture resistance, stain resistance, chemical resistance, etc., and its flexibility And mechanical properties, chemical It has advantages such as light weight due to its properties, excellent workability, etc., and easy handling.
- polyvinyl fluoride resins PVF
- EFE tetrafluoroethylene and ethylene or propylene
- a cyclic polyolefin resin sheet made of a polymer or copolymer of a cyclic gen such as cyclopentagen and its derivatives, dicyclopentene and its derivatives, or norbornadiene and its derivatives. Is preferable.
- the present invention by using the above-mentioned fluorine-based resin sheet or cyclic polyolefm-based resin sheet, excellent properties such as mechanical properties, chemical properties, and physical properties possessed by them are obtained.
- it is a surface protection sheet that constitutes a solar cell module by utilizing various properties such as weather resistance, heat resistance, water resistance, light resistance, moisture resistance, stain resistance, and chemical resistance. Yes, it has durability, protection function, etc., and it has advantages such as lightness due to its flexibility, mechanical properties, chemical properties, etc., excellent workability, etc., and easy handling. Things.
- a film or a sheet of the above-mentioned various resins may be provided with a surface treatment for 3 s in order to improve the adhesion to the sheet. preferable.
- Such a surface treatment SJ1 may be, for example, a co-treatment, an ozone treatment, a low-temperature plasma treatment using a nitrogen gas or a nitrogen gas, an oxidation treatment using a glow sw, iridani chemical, or the like.
- Etc. can be arbitrarily applied, for example, a corona treatment 3, an ozone treatment 1, a plasma treatment ai, an oxidation treatment a!
- the processing gas can be arbitrarily selected under large pressure, and the polymer surface can be freely constructed, so that the plasma processing power is particularly preferable.
- the surface protective sheet of the present invention it is preferable to use a surface protective sheet provided with the above-mentioned surface treatment a, especially a plasma treatment a, in addition to the above-mentioned fluorine-based resin sheet.
- a surface protective sheet has excellent transparency, good weather resistance, high Nada-like strength, excellent chemical resistance, and is stable over a wide area, and thus has a high level of metabolism. This is because it is excellent and can meet the required characteristics such as the metabolism, the light resistance, the moisture resistance and the pollution.
- the filling sheet ( ⁇ ) of the present invention As the filling one sheet.
- the film or sheet of the above-mentioned various resins for example, one or more of the above-mentioned various resins are used, and an extrusion method, a cast molding method, a ⁇ die method, a cutting method, an inflation method, etc.
- a film or sheet of various resins is manufactured by a method of mixing and forming a film before forming a film, etc., and further, if necessary, for example, a tenter method, or A resin film or sheet stretched uniaxially or biaxially using a tubular method or the like can be used.
- the thickness of the film or sheet of various resins is preferably from 6 to 300 Atm, more preferably from 9 to I50 / zm.
- the film or sheet of various resins has a visible light transmittance of 90% or more, preferably 95% or more, and has a property of transmitting all incident sunlight. Is desirable.
- the visible light transmittance can be measured by a color computer.
- plastic compounding agents and additives can be added for the purpose of improving or modifying the properties, release properties, flame retardancy, mold resistance, electrical properties, strength, etc. Can be arbitrarily added from a trace amount to several tens% depending on the purpose.
- common additives include, for example, a lubricant, a crosslinking agent, an antioxidant, an ultraviolet absorber, a light stabilizer, a filler, a reinforcing fiber, a reinforcing agent, an antistatic agent, a flame retardant, and a flame retardant.
- Flame agents, foaming agents, fungicides, pigments, and the like can be used, and further, a modifying resin and the like can be used.
- one or two or more of an ultraviolet absorber, an antioxidant, and a reinforcing fiber are preferably used in order to improve weather resistance, piercing resistance, and the like. It is preferable to use films or sheets of various resins obtained by kneading a seed or more.
- the above-mentioned UV absorber absorbs harmful UV rays in sunlight and converts them into harmless heat energy in the molecule, preventing the active species that initiate photodegradation in the polymer from being excited.
- one or more inorganic or organic ultraviolet absorbers such as ultrafine zinc oxide (0.101 to 0.04 ⁇ ) can be used.
- antioxidants are those that prevent photodeterioration or thermal deterioration of the polymer.
- antioxidants such as phenol-based, amine-based, sulfur-based, and phosphoric acid-based antioxidants may be used. it can.
- the above-mentioned ultraviolet absorber or antioxidant for example, the above-mentioned benzophenone-based ultraviolet absorber or the above-mentioned phenol-based antioxidant is chemically bonded to the main chain or side chain constituting the polymer.
- Polymer-type UV absorbers or antioxidants can also be used.
- the reinforcing fibers include glass fibers, carbon fibers, aramide fibers, polyamide fibers, polyester fibers, polypropylene fibers, polyatarilonitrile fibers, and natural fibers. It can be used as a fibrous material or a woven or non-woven fabric.
- the content of the above-mentioned ultraviolet absorber, antioxidant, reinforcing fiber and the like varies depending on the particle shape, density and the like, but is preferably 0.1 to 10% by weight.
- Such solar cell elements include the sun W
- a thin-film polycrystalline silicon solar cell element a thin-film microcrystalline silicon solar cell element, a hybrid element of a thin-film crystalline silicon solar cell element and an amorphous silicon solar cell element, and the like can also be used.
- the solar cell element is formed, for example, on a substrate such as a glass substrate, a plastic substrate, or a metal substrate, by forming crystalline silicon such as a pn junction structure, or amorphous silicon such as a p-i_n junction structure.
- An electromotive force portion such as a compound semiconductor is formed to constitute a solar cell element.
- a back surface protection sheet constituting the above-described solar cell module will be described.
- a back surface protective sheet has weather resistance such as heat resistance, light resistance, and water resistance, and has excellent physical or chemical strength, toughness, and the like.
- a solar cell element as a photovoltaic element Therefore, it is necessary to have excellent scratch resistance and shock absorption.
- the above-mentioned back surface protection sheet does not necessarily need to have transparency like the above-mentioned surface protection sheet, and may or may not have transparency.
- an insulating resin film or sheet can be used as the back surface protection sheet.
- the films and sheets of various resins exemplified above can be used in the same manner.
- the back protective sheet include, for example, polyethylene resin, polypropylene resin, cyclic polyolefin resin, fluorine resin, polystyrene resin, acrylonitrile-styrene copolymer (AS Resin), ac Polyurethane resins such as rilonitrile-butadiene-styrene copolymer (ABS resin), polyvinyl chloride resin, poly (meth) acrylic resin, polycarbonate resin, polyethylene terephthalate and polyethylene naphthalate, various types of nylon, etc.
- Polyamide-based resin Polyimide-based resin, Polyamide-imide-based resin, Polyaryl phthalate-based resin, Silicone-based resin, Polysulfone-based resin, Polyphenylene sulfide-based resin, Polyethersulfone-based resin, Polyurethane-based resin, Acetal Films or sheets of various resins such as a series resin and a cellulose resin can be used.
- a film or sheet of a fluorine resin, a cyclic polyolefin resin, a polycarbonate resin, a poly (meth) acrylic resin, or a polyester resin is used. It is preferable to do so.
- the above-mentioned fluororesin, cyclic polyolefin-based resin, polycarbonate-based resin, poly (meth) acryl-based resin, or polyester-based resin film or sheet has mechanical properties and chemical properties. Excellent in physical properties, physical properties, etc.Specifically, it is excellent in weather resistance, heat resistance, water resistance, light resistance, moisture resistance, stain resistance, chemical resistance, etc. It is useful as a constituent protective sheet, has excellent durability, protective functionality, etc., and is lightweight due to its flexibility, mechanical properties, chemical properties, etc., and has excellent workability, etc. It has advantages such as ease of use.
- the above-mentioned fluorine-based resin sheet particularly, a polyfluorobutyl-based resin (PVF), Or, a fluororesin sheet made of a copolymer of tetrafluoroethylene and ethylene or propylene (ETFE), or a cyclic polyolefin resin sheet, in particular, cyclopentadiene and its derivatives, dicyclopentadiene and its derivatives, Alternatively, it is preferable to use a cyclic polyolefin resin sheet comprising a polymer or copolymer of a cyclic gen such as norbornagen or a derivative thereof.
- a cyclic polyolefin resin sheet comprising a polymer or copolymer of a cyclic gen such as norbornagen or a derivative thereof.
- the fluororesin sheet or the cyclic poly By using olefin resin sheets, they have excellent properties such as mechanical properties, chemical properties, and physical properties, specifically, weather resistance, heat resistance, water resistance, light resistance, and moisture resistance. It is intended to be used as a backside protective sheet for a solar cell module by utilizing various properties such as resistance, contamination resistance, and chemical resistance. It is light because of its flexibility, mechanical properties, chemical properties, etc., has excellent workability, etc., and has advantages such as easy handling.
- various resin films or sheets are produced in the same manner as the above-mentioned surface protection sheet, and further, if necessary, monoaxial or biaxial.
- one or more of an ultraviolet absorber, an antioxidant, and a reinforcing fiber are used to improve, in particular, weather resistance, piercing resistance, and the like. It is preferable to use various resin films or sheets obtained by kneading two or more kinds.
- inorganic or organic ultraviolet absorbers can be used as described above, and the antioxidant is as described above.
- antioxidants such as phenol-based, amine-based, sulfur-based, and phosphoric-acid-based antioxidants can be used.
- the above-mentioned ultraviolet absorber or antioxidant for example, the main chain or the side constituting the polymer It is also possible to use a polymer-type ultraviolet absorber or an antioxidant obtained by chemically bonding the above-mentioned benzophenone-based ultraviolet absorber or the above-mentioned phenol-based antioxidant to the chain.
- glass fibers, carbon fibers, aramide fibers, polyamide fibers, polyester fibers, polypropylene fibers, polyacrylonitrile fibers, and natural fibers can be used as the above-mentioned reinforcing fibers.
- the thickness of S is preferably from 12 to 200 / m, more preferably from 25 to 150 / zm.
- the back surface protective sheet constituting the solar cell module two or more kinds of the above resin films or sheets are used, and they are laminated via an adhesive layer or the like.
- a resin film or sheet obtained by coloring or decorating the above-mentioned resin film or sheet with a coloring agent such as a dye or a pigment can also be used.
- a so-called color steel sheet having a coating film formed on the surface of the steel sheet can be preferably used as satisfying the above-mentioned required properties of the back surface protection sheet.
- the raw material of the color steel sheet there is no particular limitation on the raw material of the color steel sheet as long as it is normally used for color steel sheets, but it has excellent corrosion resistance, workability, heat resistance, and heat reflection properties. It is preferable to use galvanized steel sheet coated with an alloy of zinc and aluminum on steel because of its excellent durability and excellent sacrificial protection against iron.
- the coating is not particularly limited as long as it can form an insulating film on the surface of a steel plate to impart corrosion resistance and decorativeness.
- a fluororesin coating or a polyester coating can be used.
- a film or the like can be preferably used. This is because fluororesin-based coatings are excellent in stain resistance, chemical resistance, corrosion resistance, and heat resistance, and polyester-based coatings are excellent in corrosion resistance and low cost.
- the sheet (B) of the present invention is preferable to use as the sheet. Since the filled sheet (B) uses a maleic anhydride-modified polyolefin, it is possible to maintain a high level of adhesion and adhesion stability even with such an inflection. Because.
- the above-mentioned film or sheet may be any of unstretched, uniaxially or biaxially stretched and the like.
- the thickness is arbitrary, but can be selected from the range of several ⁇ to 3 mm.
- an extruded film is formed as the film or sheet. Films of any properties such as blown film formation and coating film may be used.
- a method for manufacturing the above-described solar cell module according to the present invention will be described.
- a method generally used for example, a surface protection sheet, a filler sheet according to the present invention, a solar cell element as a photovoltaic element, a filler sheet according to the present invention, Then, the backside protective sheets etc. are opposed to each other and laminated sequentially, and if necessary, other materials are optionally laminated between each layer. Then, these are integrated by vacuum suction etc. and heat-pressed.
- a method for producing the solar cell module according to the present invention can be exemplified by using a normal molding method such as a lamination method to heat-press-mold each of the above-mentioned layers as an integrally formed body.
- a normal molding method such as a lamination method to heat-press-mold each of the above-mentioned layers as an integrally formed body.
- the surface protection sheet and the filler sheet are pre-laminated and integrated, or the back protection sheet and the filler sheet are pre-laminated and integrated. Can also be used.
- each lamination facing surface is provided with, for example, a corona discharge treatment, an ozone treatment, a low-temperature plasma treatment using an oxygen gas or a nitrogen gas, etc., in order to improve the adhesion.
- Pretreatment such as glow discharge treatment, oxidation treatment using chemicals, etc., can be arbitrarily performed.
- a primer coating agent layer, an undercoat agent layer, an adhesive layer, an anchor coating agent layer, or the like is arbitrarily formed on each of the facing surfaces of the laminations, and the surface is pretreated. You can also.
- the coating agent layer for the above pretreatment examples include polyester resin, polyamide resin, polyurethane resin, epoxy resin, phenol resin, (meth) acrylic resin, polyvinyl acetate resin, and polyethylene.
- a resin composition containing a polyolefin-based resin such as polypropylene or a copolymer or modified resin thereof, or a cellulose-based resin as a main component of the vehicle can be used.
- a coating agent such as a solvent type, an aqueous type, or an emulsion type
- a coating method such as a roll coating method, a gravure orifice coating method, and a kiss coating method.
- the material constituting the filler sheet can be stably manufactured at low cost without being affected by the manufacturing conditions of the solar cell module, and the strength can be improved. It is capable of producing a solar cell module which is excellent in various properties such as weather resistance, heat resistance, water resistance, light resistance, wind pressure resistance, and hail resistance, and is extremely durable.
- the solar cell module according to the present invention is suitable for various uses.
- a crystalline silicon solar cell element and an amorphous solar cell element a rooftop-mounted solar cell widely used for ground use, It is used for solar cells of the type of roofing material embedded in the roof of a house.
- Amorphous solar cell elements are extremely useful because they can be used in watches and calculators for consumer use.
- the above film formation was successfully performed without any problem.
- the film obtained above had a good appearance and a good total light transmittance.
- the peel strength between the surface protection sheet, back surface protection sheet and solar cell element (cell) is easy even after being left for 100 hours at a high temperature and high humidity of 85 ° C and 85% humidity. It was in a good state without peeling.
- Sunshine ⁇ We The O test even after standing (Sandhya in carbon arc lamp illumination 2 5 5 W / m 2, temperature 6 0 ° C, Humidity 6 0%) 5 0 0 hours, good without easily peeling It was in a state.
- a glass plate with a thickness of 3 mm, a film with a thickness of 400 ⁇ , and a solar cell element made of amorphous silicon arranged in parallel with a thickness of 3 8 im biaxially oriented polyethylene terephthalate A film, the above-prepared film with a thickness of 400 ⁇ m, and a polyvinyl fluoride resin sheet (PVF) with a thickness of 38 ⁇ , an aluminum foil with a thickness of 30 m, and a polyfoil with a thickness of 38 ⁇ as the backside protective sheet
- a laminated sheet consisting of a vinyl resin sheet (P VF) and an acryl resin adhesive layer are laminated together, with the solar cell element surface facing up, using a vacuum laminator for manufacturing solar cell modules. After provisional pressure bonding at 150 ° C. for 15 minutes, heating was performed at 150 ° C. for 15 minutes in an oven to produce a solar cell module according to the present invention.
- a filler sheet according to the present invention and a solar cell module using the same were produced in exactly the same manner as in Example 1 except that 0.15 parts by weight of butyltrimethoxysilane and 0.1% of a silane modification rate were used.
- the film manufacturing condition, appearance, total light transmittance, and peel strength after leaving the film in a high-temperature and high-humidity state at a temperature of 85 ° C and a humidity of 85% for 1000 hours were the same as those in Example 1.
- the appearance and electromotive force of the solar cell module manufactured using the above film after the device was left for 1000 hours in a high-temperature and high-humidity state of 85 ° C and 85% humidity were the same as in Example 1.
- the sunshine weather test unsunshine carbon arc lamp illuminance 255 W / m 2 , temperature 60 ° C, humidity 60 ° C
- a hindered amine-based light-stable resin was used for 70 parts by weight of a silane-modified linear low-density polyethylene having a silane modification rate of 4% and produced in exactly the same manner as in Example 1 except that vinyltrimethoxysilane was used in an amount of 6 parts by weight.
- 10 parts by weight of a benzophenone-based UV absorber and 10 parts by weight of a phosphorus-based heat stabilizer were mixed, melted and processed into a master batch. Except for adding 100 parts by weight of the above-mentioned silane-modified linear low-density polyethylene and 26 parts by weight of the above-mentioned master patch, a thickness of 400 ⁇ m A film was formed.
- Example 1 The film production condition, appearance, total light transmittance, peel strength after standing for 1000 hours in a high-temperature and high-humidity state at a temperature of 85 ° C. and a humidity of 85% were the same as those in Example 1.
- the appearance and the electromotive force of the solar cell module manufactured using the above film after the device was left for 100 hours in a high-temperature and high-humidity condition of 85 ° C. and 85% humidity were observed in Example 1.
- a silane-modified linear low-density polyethylene having a silane modification rate of 2% produced in the same manner as in Example 1 above, 3 parts by weight of a hindered amine-based light stabilizer, and 6 parts by weight of a benzofunone-based ultraviolet absorber And 6 parts by weight of a phosphorus-based heat stabilizer were mixed and melted to obtain a master patch.
- a film having a thickness of 400 ⁇ m was prepared in the same manner as in Example 1 except that 1 part by weight of the master batch was added to 100 parts by weight of the silane-modified linear low-density polyethylene. Was formed into a film.
- Example 1 The film production condition, appearance, total light transmittance, peel strength after standing for 1000 hours in a high-temperature and high-humidity state at a temperature of 85 ° C. and a humidity of 85% were the same as those in Example 1.
- the appearance and the electromotive force of the solar cell module manufactured using the above film after the device was left for 100 hours in a high-temperature and high-humidity condition of 85 ° C. and 85% humidity were observed in Example 1.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene were mixed with 3 parts by weight of butyl methoxysilane, 0.1% by weight of a free radical generator (t-butyl peroxyisobutyrate), and an extrusion temperature of 2 parts.
- Silane-modified by graft polymerization at 00 ° C A silane-modified linear low-density polyethylene having a modulus of 2% was produced.
- the film formation described above could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- Regarding the peel strength stability with the surface protection sheet, backside protection sheet and cell it should be easy to peel off even after leaving it for 100 hours at high temperature and high humidity of 85 ° C and 85% humidity. There was no good condition.
- Sunshine ⁇ E The O test (Sunshine carbon arc lamp illumination 2 5 5 W / m 2, temperature 6 0 ° C, Humidity 6 0%) after allowing to stand 5 0 0 hours, without good be easily peeled off Condition.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. Even after the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, no change was observed in the appearance, and the reduction in electromotive force was within 5%.
- the sunshine test (sunshine carbon arc lamp illuminance 25 S WZm 2 temperature 60 ° C, humidity 60%) Even after standing for 500 hours, no change was observed in the appearance, and electromotive force was not observed. The decrease was within 5%.
- Example 5 80 parts by weight of the linear low-density polyethylene and 5 parts by weight of the master patch prepared in Example 5 were added to 20 parts by weight of the silane-modified linear low-density polyethylene prepared in Example 5.
- the above film formation could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. Even after the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, no change was observed in the appearance, and the reduction in electromotive force was within 5%. Further, Sunshine ⁇ E The O test even after standing (sunshine carbon arc lamp illumination 2 5 5 WZM 2, temperature 6 0 ° C, Humidity 6 0%) 5 0 0 hours, change in appearance without being seen, causing The power reduction was within 5%.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene were mixed with 0.01 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxyisobutyrate) and extruded.
- a silane-modified linear low-density polyethylene having a silane modification rate of 0.001% was prepared by graft polymerization at a temperature of 200 ° C. and silane modification.
- 2.5 parts by weight of a hindered amine light stabilizer, 3.5 parts by weight of a benzophenone ultraviolet absorber, and 5 parts by weight of a phosphorus heat stabilizer were added to 89 parts by weight of the linear low-density polyethylene. The mixture was melted and processed to form a master patch.
- the peel strength of the film obtained above from the surface protective sheet, the back protective sheet and the cells was inferior to those of Examples 1 to 6, but was within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After leaving the above solar cell module in a hot and humid state with a temperature of 85% and a humidity of 85% for 100 hours, delamination from the surface protection sheet, backside protection sheet, and cells partially occurred. 5% decrease in electromotive force Exceeded, but within a practically sufficient range.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene, 40 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxyisobutyrate) were mixed, and the extrusion temperature was adjusted to 200 parts by weight.
- a silane-modified linear low-density polyethylene having a silane modification rate of 3% was prepared by graft polymerization at 0 ° C.
- the peel strength of the film obtained above from the surface protective sheet, the back protective sheet and the cells was inferior to those of Examples 1 to 6, but was within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, delamination from the surface protection sheet, backside protection sheet, and cells was partially observed. However, the decrease in electromotive force exceeded 5%, but was within a practically sufficient range.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene, 3 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxyisobutyrate) were mixed, and the extrusion temperature was adjusted to 200 parts by weight.
- the above film formation could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- the O test Sa emissions Shine carbon arc lamp illumination 2 5 5 W / m 2, temperature 6 0 ° C, Humidity 6 0% ) After being left for 500 hours, it could not be maintained and was partially peeled off.
- the peel strength stability was inferior to those of Examples 1 to 6, but within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1.
- the above solar cell module Sunshine ⁇ E
- the O test unsunshine carbon arc lamp illumination 2 5 5 W / m 2, temperature 6 0 ° C, Humidity 6 0%
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene were mixed with 3 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxysobutylate), and the extrusion temperature was adjusted to 200 parts by weight.
- a silane-modified linear low-density polyethylene having a silane modification rate of 2% was prepared by graft polymerization at 0 ° C.
- Example 1 To 100 parts by weight of the above silane-modified linear low-density polyethylene, 5 parts by weight of the above master batch was added, and a film having a thickness of 400 ⁇ was formed by T-die extrusion in the same manner as in Example 1. I dumb.
- the above film formation could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- the O test unsunshine carbon arc lamp illumination 2 5 5 W / m 2, temperature 6 0 ° C, Humidity 6 0%
- the peel strength stability was inferior to those of Examples 1 to 6, it was within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene was mixed with 3 parts by weight of butyl methoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxyisobutyrate) at an extrusion temperature of 200 ° C.
- a silane-modified linear low-density polyethylene having a silane modification rate of 2% was prepared by graft polymerization and silane modification.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene, 3 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxyisobutyrate) are mixed, and the extrusion temperature is 200 °.
- a silane-modified linear low-density polyethylene having a silane modification rate of 2% was prepared by graft polymerization with C and silane modification.
- a hindered amine-based light stabilizer 60 parts by weight of a benzophenone-based ultraviolet absorber, and 5 parts by weight of a phosphorus-based heat stabilizer are added to 32.5 parts by weight of a linear low-density polyethylene.
- the parts were mixed and melted and processed to form a master batch.
- Example 1 To 100 parts by weight of the above-mentioned silane-modified linear low-density polyethylene, add 10 parts by weight of the above master batch, and form a film having a thickness of 400 m by T-die extrusion as in Example 1. did. The above film formation could be performed without any trouble. The film obtained above had good appearance and total light transmittance. Regarding the stability of peel strength between surface protection sheet, backside protection sheet and cell, after leaving for 100 hours at high temperature and humidity of 85 ° C and 85% humidity, it cannot be maintained for 100 hours. Peeling was observed, but the peel strength stability was inferior to those of Examples 1 to 6, but within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 100 hours, the decrease in electromotive force exceeded 5%, but within a range sufficient for practical use. there were.
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene, 3 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t-butyl-peroxybisbutylate) are mixed, and the extrusion temperature is 200.
- the film formation described above could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- Regarding the peel strength stability between the surface protection sheet and the backside protection sheet and the cell it can be maintained after being left for 100 hours in a high-temperature and high-humidity state at a temperature of 85 ° C and a humidity of 85%. Although peeling was not possible, the peel strength stability was inferior to those in Examples 1 to 6, but within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, the decrease in electromotive force exceeded 5%, but was within a practically sufficient range. .
- linear low-density polyethylene 100 parts by weight of linear low-density polyethylene were mixed with 3 parts by weight of vinylmethoxysilane and 0.1 part by weight of a free radical generator (t_butyl-peroxyisobutyrate), and grafted at an extrusion temperature of 200 ° C.
- t_butyl-peroxyisobutyrate a free radical generator
- 3.5 parts by weight of a hindered amine-based light stabilizer, 2.5 parts by weight of a benzophenone-based ultraviolet absorber, and 60 parts by weight of a phosphorus-based heat stabilizer are added to 32.5 parts by weight of a linear low-density polyethylene.
- the parts were mixed and melted and processed to form a master batch.
- the above film formation was successfully carried out.
- the film obtained above had good appearance and total light transmittance.
- Regarding the peel strength stability with the surface protection sheet, backside protection sheet and cell it cannot be maintained after being left for 100 hours in a high temperature and high humidity state at a temperature of 85 ° C and a humidity of 85%. Peeling occurred partially, and the peel strength stability was inferior to Examples 1 to 6, but within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 100 hours, the decrease in electromotive force exceeded 5%, but was within a practically sufficient range. .
- Example 5 To 20 parts by weight of the silane-modified linear low-density prepared in Example 5, 99.999 parts by weight of linear low-density polyethylene and 5 parts by weight of the master batch prepared in Example 5 were added. A mixture of the silane-modified linear low-density polyethylene, linear low-density polyethylene, and master patch was extruded into a film having a thickness of 400 ⁇ m by T-die extrusion in the same manner as in Example 1.
- the film formation described above could be performed without any trouble. Further, the film obtained above had good appearance and good total light transmittance.
- the peel strength of the film obtained above with the surface protective sheet, the back protective sheet and the cells is low, and the film is partially peeled off. Although the peel strength was inferior to Examples 1 to 6, it was within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After leaving the above-mentioned solar cell module in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, delamination between the surface protection sheet and the backside protection sheet and the cell was observed, and the decrease in electromotive force was observed. Although it exceeded 5%, it was within a practically sufficient range.
- the weight average molecular weight of the above maleic anhydride-modified linear low-density polyethylene determined by gel permeation chromatography (GPC) was 33,700.
- the ratio (Mw / Mn) between the weight average molecular weight (Mw) and the number average molecular weight (Mn) was 1.01.
- the above film formation could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- the film formation described above could be performed without any trouble.
- the film obtained above had good appearance and total light transmittance.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. Heat the above solar cell module Even after standing for 1000 hours in a hot and humid state with a temperature of 85% and a humidity of 85%, no change was observed in the appearance, and the decrease in electromotive force was within 5%.
- ethylene 80 parts by weight of linear low-density polyethylene and 5 parts by weight of the master patch produced in Example 17 were added.
- the above film formation was successfully carried out.
- the film obtained above had good appearance and total light transmittance.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. Even after the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, no change was observed in the appearance, and the reduction in electromotive force was within 5%.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After the above solar cell module was left in a hot and humid state with a temperature of 85% and a humidity of 85% for 1000 hours, delamination from the surface protection sheet, backside protection sheet, and cells was partially observed. However, the decrease in electromotive force exceeded 5%, but was within a practically sufficient range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After leaving the above solar cell module for 1000 hours in a high-temperature and high-humidity state with a temperature of 85% and a humidity of 85%, delamination from the surface protection sheet, backside protection sheet and cells was observed, and electromotive force was observed. Although the decrease of over 5%, it was within a practically sufficient range.
- Example 17 Maleic anhydride-modified linear low-density polyethylene produced in Example 17 20 weight 99.9.99 parts by weight of the linear low-density polyethylene and 5 parts by weight of the master batch prepared in Example 17 were added to the parts.
- the mixture of maleic anhydride-modified linear low-density polyethylene, linear low-density polyethylene and masterbatch was extruded in the same manner as in Example 1 by T-die extrusion to form a film having a thickness of 400. The above film formation could be performed without any trouble.
- the peel strength of the film obtained above with the surface protective sheet, the back protective sheet and the cell was low, and the film was partially peeled off, but the peel strength was inferior to those of Examples 16 to 18, but practically sufficient It was within the range.
- a solar cell module according to the present invention was produced in the same manner as in Example 1. After leaving the above solar cell module for 1000 hours in a high-temperature and high-humidity state with a temperature of 85% and a humidity of 85%, delamination from the surface protection sheet, backside protection sheet and cells was observed, and electromotive force was observed. Although the decrease of over 5%, it was within a practically sufficient range.
- a glass plate with a thickness of 3 mm was used as a surface protection sheet for solar cell modules, and on one side, a 400 ⁇ m-thick ethylene-vinyl acetate copolymer sheet, amorphous silicon 38 ⁇ biaxially-stretched polyethylene terephthalate film with solar cell elements consisting of a parallel arrangement, a 400 / im thick ethylene / biel acetate copolymer sheet, and a backside protective sheet
- a 50 ⁇ biaxially stretched polyethylene terephthalate film was laminated via an acrylic resin adhesive layer with the solar cell element surface facing upward, and the solar cell was fabricated in the same manner as in Example 1 above. Module was manufactured.
- a glass plate with a thickness of 3 mm is used as a surface protection sheet for a solar cell module, and on one side, a low-density polyethylene sheet with a thickness of 400 / zm and a sun composed of amorphous silicon 38 / m thick biaxially stretched polyethylene terephthalate film with battery elements arranged in parallel, 400 m thick low-density polyethylene sheet, and 38 m thick polyvinyl fluoride as backside protection sheet Resin sheet (PVF) and aluminum foil with a thickness of 30 ⁇ and polyf with a thickness of 38 ⁇
- PVF backside protection sheet
- a laminated sheet composed of a vinyl fluoride resin sheet (PVF) is laminated via an adhesive layer of an acrylic resin, and the solar cell element surface is directed upward in the same manner as in Example 1 above.
- a solar cell module was manufactured.
- a solar cell module manufactured using the filler sheet according to Examples 1 to 21 and a solar cell manufactured using the filler layer according to Comparative Examples 1 to 2 based on JIS standard C 891 7-1989 The module was subjected to an environmental test of the solar cell module, and the output of the photovoltaic power before and after the test was measured and compared.
- the solar cell elements with 15 mm width cuts were arranged in parallel, and the peeling rate was set at 5 OmmZ for 90 minutes. Peeling was performed and the peel strength was measured.
- Examples 1 to 21 Regarding a solar cell module manufactured using the filler sheet (filler layer) according to 1 and a solar cell module manufactured using the filler layer according to Comparative Examples 1 to 2, Temperature 85 ° C Humidity 90% High temperature and humidity of 100% for 100 hours, then the outermost surface protection sheet, or the rearmost surface protection sheet and the filler sheet (filler) A 15 mm wide cut was made in the film in which the layers and the solar cell elements were arranged in parallel, and in the filler sheet (filler layer) located further inside. At the interface between the surface protection sheet with a 15 mm width cut and the filler sheet (filler layer), the peel strength before and after the high-temperature and high-humidity test was measured and compared.
- Examples 1 to 21 Regarding the solar cell module manufactured using the filler sheet (filler layer) according to 1 and the solar cell module manufactured using the filler layer according to Comparative Examples 1 to 2, Temperature 85 ° C Humidity 90% High temperature and humidity of 100% for 100 hours, then the outermost surface protection sheet, or the rearmost surface protection sheet and the filler sheet (filler) A 15 mm wide cut was made in the film in which the layers and the solar cell elements were arranged in parallel, and in the filler sheet (filler layer) located further inside. At the interface between the solar cell element with a 15 mm width cut and the filler sheet (filler layer), the peel strength before and after the high-temperature and high-humidity test was measured and compared.
- Table 1 shows the above measurement results.
- the filler sheets according to Examples 1 to 21 had a high total light transmittance and a low output reduction rate, and were practically sufficient. Further, the filler sheets according to Examples 1 to 21 were excellent also in peel strength, and also excellent in peel strength stability with the surface protection sheet and the back surface protection sheet. On the other hand, the filler layers according to Comparative Examples 1 and 2 had high total light transmittance, but the solar cell module using them had problems such as a high output reduction rate. In addition, the filler layers according to Comparative Examples 1 and 2 were inferior in peel strength and low in adhesion stability with each protective sheet.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/537,733 US20060201544A1 (en) | 2002-12-16 | 2003-12-16 | Filler sheet for solar cell module, and solar cell module using the same |
DE10393895T DE10393895T5 (de) | 2002-12-16 | 2003-12-16 | Zwischenfolie für ein Solarzellenmodul und Solarzellenmodul, bei dem die Zwischenfolie eingesetzt wird |
US12/189,246 US20080302417A1 (en) | 2002-12-16 | 2008-08-11 | Filler sheet for solar cell module, and solar cell module using the same |
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JP2002-363273 | 2002-12-16 | ||
JP2002363273 | 2002-12-16 |
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US12/189,246 Division US20080302417A1 (en) | 2002-12-16 | 2008-08-11 | Filler sheet for solar cell module, and solar cell module using the same |
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WO2004055908A1 true WO2004055908A1 (ja) | 2004-07-01 |
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US (2) | US20060201544A1 (ja) |
DE (2) | DE10393895T5 (ja) |
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JPWO2012046565A1 (ja) * | 2010-10-06 | 2014-02-24 | 積水化学工業株式会社 | フレキシブル太陽電池モジュールの製造方法 |
TWI479006B (zh) * | 2010-10-06 | 2015-04-01 | Sekisui Chemical Co Ltd | Solar battery seal and flexible solar module |
WO2020058454A1 (fr) * | 2018-09-22 | 2020-03-26 | Total Sa | Laminât flexible de cellules photovoltaïques et procédé de fabrication associé |
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Also Published As
Publication number | Publication date |
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DE10393895T5 (de) | 2007-03-01 |
US20080302417A1 (en) | 2008-12-11 |
US20060201544A1 (en) | 2006-09-14 |
DE10394373B4 (de) | 2016-06-02 |
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