WO2014084031A1 - Couche de résine résistant aux intempéries, stratifié et module de cellule solaire - Google Patents

Couche de résine résistant aux intempéries, stratifié et module de cellule solaire Download PDF

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Publication number
WO2014084031A1
WO2014084031A1 PCT/JP2013/080426 JP2013080426W WO2014084031A1 WO 2014084031 A1 WO2014084031 A1 WO 2014084031A1 JP 2013080426 W JP2013080426 W JP 2013080426W WO 2014084031 A1 WO2014084031 A1 WO 2014084031A1
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WIPO (PCT)
Prior art keywords
resin layer
weather
resistant resin
laminate
weather resistant
Prior art date
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PCT/JP2013/080426
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English (en)
Japanese (ja)
Inventor
洋 旭
義信 北森
猿渡　昌隆
Original Assignee
東洋アルミニウム株式会社
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Priority to CN201380050064.6A priority Critical patent/CN104703797B/zh
Publication of WO2014084031A1 publication Critical patent/WO2014084031A1/fr

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    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a weather resistant resin layer and a laminate, and more particularly to a weather resistant resin layer and a laminate suitably used for a solar cell back surface protective sheet, and a solar cell module using the same.
  • outdoor use products such as solar cells such as back protection sheets for solar cells, road noise barrier exteriors, general building materials (roofs / walls), signboards, agricultural greenhouses, etc. have a weather-resistant resin layer showing weather resistance.
  • a weather resistant resin layer As such a weather resistant resin layer, a fluororesin film such as PVF, PVDF or ETFE is used. These fluororesin films exhibit excellent weather resistance, chemical resistance, and contamination resistance.
  • the fluororesin film contains a halogen substance, there is a problem that harmful substances are generated from waste when it is processed by incineration or the like. Moreover, the fluororesin film has high moisture permeability. For this reason, when a fluororesin film is used as an outer layer and another resin film such as a polyethylene terephthalate (PET) film is used as an inner layer, there is a problem that the resin film is likely to be degraded such as hydrolysis.
  • PET polyethylene terephthalate
  • a laminate having a weather-resistant resin layer that solves these problems
  • a laminate having a weather-resistant PET film is disclosed (for example, see Patent Documents 1 and 2).
  • the laminates disclosed in Patent Documents 1 and 2 have a problem that the weather-resistant PET film undergoes discoloration and decreases in strength when exposed to ultraviolet rays.
  • the weather-resistant PET film becomes brittle when discoloration occurs due to ultraviolet rays, and moisture in the outside air easily penetrates or cracks are generated in the brittle portions.
  • the insulation of a back surface protection sheet falls.
  • the present invention provides a weather resistant resin layer excellent in weather resistance and water resistance, in which generation of harmful substances from waste generated at disposal is suppressed, and a laminate using the same.
  • the present inventors have found that the above object can be achieved by configuring the weather resistant resin layer to contain a specific acrylic polyol resin, thereby completing the present invention. It came to do.
  • the present invention relates to the following weather resistant resin layer, laminate and solar cell module.
  • a weatherable resin layer comprising an acrylic polyol resin containing (meth) acrylic acid hydroxy ester and a copolymer of (meth) acrylic acid hydroxy ester.
  • the weatherable resin layer according to Item 1 wherein the content of the acrylic polyol resin is 5 to 40% by mass with respect to 100% by mass of the weatherable resin layer.
  • the weather resistant resin layer according to Item 1 or 2 containing 10 to 60% by mass of titanium oxide. 4).
  • the weather resistant resin layer of the present invention is excellent in weather resistance and water resistance by containing an acrylic polyol resin containing (meth) acrylic acid hydroxy ester and a copolymer of (meth) acrylic acid hydroxy ester. Yes.
  • halogen substances such as fluorine are not substantially contained, generation of harmful substances from waste generated when discarded by incineration or the like is suppressed.
  • a solar cell module excellent in weather resistance and water resistance can be obtained by forming a solar cell module using the laminate using the weather resistant resin layer of the present invention as a solar cell back surface protective sheet.
  • the weather-resistant resin layer of the present invention is characterized by containing an acrylic polyol resin containing (meth) acrylic acid hydroxy ester and a copolymer of (meth) acrylic acid hydroxy ester.
  • the weather-resistant resin layer of the present invention having the above characteristics is excellent in weather resistance and water resistance by including (meth) acrylic acid hydroxy ester and (meth) acrylic acid hydroxy ester copolymer. ing.
  • halogen substances such as fluorine are not substantially contained, generation of harmful substances when discarded by incineration or the like is suppressed.
  • the said weather resistant resin layer is laminated
  • the solar cell module excellent in weather resistance and water resistance can be obtained by using the said laminated body for a solar cell module.
  • (meth) acrylic acid hydroxy ester is used with the meaning containing acrylic acid hydroxy ester, methacrylic acid hydroxy ester, or both.
  • the phrase “substantially not containing a halogen substance” means that the halogen substance is not positively added to the main agent and the curing agent that form the weather resistant resin layer. Therefore, this does not exclude the case where the weather resistant resin layer contains a halogen substance as an inevitable impurity.
  • the weather resistant resin layer of the present invention contains an acrylic polyol resin.
  • the content of the acrylic polyol resin in the weather resistant resin layer is preferably 5 to 40 mass% and more preferably 10 to 20 mass% with respect to 100 mass% of the weather resistant resin layer. If the content of the acrylic polyol resin is too small, the flexibility of the weather-resistant resin layer is lowered, and when laminated with a resin film or the like, peeling may occur over time. Moreover, when there is too much content of acrylic polyol resin, when a PET film is laminated
  • the acrylic polyol resin contains (meth) acrylic acid hydroxy ester and a copolymer of (meth) acrylic acid hydroxy ester.
  • (meth) acrylic acid hydroxyester For example, hydroxymethyl (meth) acrylate, hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, hydroxypentyl (meth) acrylate , Hydroxyhexyl (meth) acrylate, hydroxyheptyl (meth) acrylate, hydroxyoctyl (meth) acrylate, hydroxynonyl (meth) acrylate, hydroxydecyl (meth) acrylate, hydroxyundecyl (meth) acrylate, hydroxydodecyl (meth) acrylate Etc.
  • the copolymer of (meth) acrylic acid hydroxy ester is not particularly limited, and for example, a copolymer obtained by copolymerizing the compounds listed as the above (meth) acrylic acid hydroxy ester can be used.
  • Examples of the state of copolymerization include random copolymerization, block copolymerization, and graft copolymerization (graft modification).
  • the weather resistant resin layer of the present invention may contain other components in addition to the acrylic polyol resin.
  • an epoxy resin, polycarbonate resin, a titanium oxide etc. are mentioned, for example.
  • the epoxy resin is not particularly limited.
  • bisphenol A type epoxy resin bisphenol F type epoxy resin, alkylphenol monoglycidyl ether, tetrabromobisphenol A type epoxy resin, cresol novolac type epoxy resin, phenol novolac type epoxy resin, Modified novolac type epoxy resin, naphthalene type epoxy resin, dicyclopentadiene type epoxy resin, naphthalene skeleton modified polyfunctional type epoxy resin, alkyldiphenol type epoxy resin, polyetherester type epoxy resin, phenoxy resin, modified phenoxy resin, etc. It is done.
  • the content of the epoxy resin is preferably 0.5 to 6.0% by mass with respect to 100% by mass of the weather resistant resin layer.
  • a weather-resistant resin layer will deteriorate by wet heat test, adhesiveness may arise, and there exists a possibility that a weather resistance may fall.
  • there is too much content of an epoxy resin there exists a possibility that the adhesiveness of a weather resistant resin layer and a resin film may fall, and there exists a possibility that it cannot coat uniformly on a resin film.
  • the polycarbonate resin is not particularly limited, and examples thereof include polycarbonate diol.
  • the content of the polycarbonate resin is preferably 0.5 to 6.0% by mass with respect to 100% by mass of the weather resistant resin layer.
  • a weather-resistant resin layer will deteriorate by wet heat test, adhesiveness may arise, and there exists a possibility that a weather resistance may fall.
  • an epoxy resin there exists a possibility that the adhesiveness of a weather resistant resin layer and a resin film may fall, and there exists a possibility that it cannot coat uniformly on a resin film.
  • the weather resistant resin layer can be given durability against ultraviolet rays.
  • the content of titanium oxide is preferably 10 to 60% by mass with respect to 100% by mass of the weather resistant resin layer. If the content of titanium oxide is too small, ultraviolet rays may pass through the weather-resistant resin layer and deteriorate the PET resin that is a resin film. When there is too much content of titanium oxide, there exists a possibility that the adhesiveness of a weather resistant resin layer and a resin film may fall. In addition, if the titanium oxide content is too high, scratch resistance decreases, and when the weather resistant resin layer is rubbed with tools, coins, rings, or other members, the surface of the weather resistant resin layer is scratched. May be easier.
  • the weather resistant resin layer of the present invention can be formed by applying a base material in which the above acrylic polyol resin and other components are dissolved in a solvent.
  • a solvent For example, ethyl acetate, methyl ethyl ketone, toluene, etc. are mentioned.
  • the weather resistant resin layer of the present invention may also be used as a urethane resin by mixing a curing agent with the above main agent.
  • a curing agent a polyisocyanate compound can be used, and it is particularly preferable to use a non-yellowing polyisocyanate such as hexamethylene diisocyanate.
  • the blending ratio of the main agent and the curing agent in the urethane resin is preferably 2 to 10 parts by weight, more preferably 3 to 4 parts by weight based on 100 parts by weight of the main agent. If the proportion of the curing agent is too small, the urethane resin may be insufficiently cured and the weather resistance may not be sufficiently exhibited. When the ratio of the curing agent is too large, foaming occurs due to curing aging, which may reduce productivity.
  • the weather resistant resin layer of the present invention can be made into a laminate by laminating at least one surface of the resin film. Such a laminate is also one aspect of the present invention.
  • FIG. 1 one Embodiment of the laminated body of this invention is shown.
  • a laminate 10 has a weather resistant resin layer 11 laminated on a resin film 12.
  • the resin forming the resin film is not particularly limited, but it is preferable to use a resin that does not substantially contain a halogen substance.
  • An example of such a resin is a resin containing polyethylene terephthalate.
  • a resin containing polyethylene terephthalate By forming a resin containing polyethylene terephthalate as an inner layer and laminating the above weather-resistant resin layer on the outer layer, it is possible to block ultraviolet rays from the outside and protect the resin film of the inner layer from ultraviolet rays. .
  • the said laminated body does not contain halogen substances, such as a fluorine, generation
  • the laminate is excellent in water resistance, and a PCT test (pressure cooker test: test conditions 120 ° C., humidity 100%, 0.2 Mpa) is performed for 50 hours, and the initial elongation at break is 100%. When the retention ratio is calculated, a high elongation at break is indicated.
  • a PCT test pressure cooker test: test conditions 120 ° C., humidity 100%, 0.2 Mpa
  • the laminate of the present invention can be formed by applying a urethane resin composition in which the above main agent or the main agent and a curing agent are mixed on at least one surface of the resin film.
  • the coating method is not particularly limited as long as a uniform coating film can be formed.
  • gravure coating reverse coating
  • comma coating kiss coating
  • knife coating curtain coating
  • extrusion coating dip coating
  • spray coating Etc spray coating
  • the surface of the laminate to be bonded to the solar cell encapsulant is for the purpose of improving the adhesion between the laminate and the solar cell encapsulant, Further, an easy adhesion layer may be provided.
  • the easy-adhesion layer may be formed by being applied to the laminate as a coating agent, or may be formed by being laminated as a film.
  • the resin for forming the easy-adhesion layer is not particularly limited as long as the adhesion between the laminate and the solar cell encapsulant can be expressed.
  • ionomer ethylene-vinyl acetate copolymer (EVA), polyethylene resin, and the like can be used. Can be mentioned.
  • a gas barrier layer may be laminated on the weather resistant resin layer.
  • the gas barrier layer may be laminated on the weather-resistant resin layer, or a plurality of layers may be laminated.
  • the layer structure of the laminate in which the gas barrier layer is laminated the gas barrier layer / the weather resistant resin layer / the resin film or the gas barrier layer / the gas barrier layer / the weather resistant resin layer / the resin film are sequentially arranged from the top. A layer structure is mentioned.
  • the material for forming the gas barrier layer is not particularly limited as long as it can exhibit gas barrier properties or water vapor barrier properties, but an inorganic oxide vapor deposited film such as an aluminum foil, an alumina vapor deposited film, or a silica vapor deposited film can be used. .
  • the laminated body of this invention When using the laminated body of this invention as a solar cell back surface protection sheet and producing a solar cell module, a well-known structure can be utilized except providing the said laminated body as a solar cell back surface protection sheet.
  • FIG. 2 An example of the solar cell module of the present invention is illustrated in FIG.
  • the laminated body 10 provided with the weather resistant resin layer of this invention is used as a solar cell back surface protection sheet, and is combined with the sealing material 20, the power generation cell 30, the glass plate 40, and the frame 50 which seal a power generation cell.
  • the solar cell module 1 is configured.
  • a weather-resistant resin layer In the solar cell module, a weather-resistant resin layer, a layer configuration of a film of a solar cell back surface protection sheet other than a laminate, a power generation cell that is a constituent material of the solar cell module, a sealing material that seals the power generation cell, and a glass plate
  • a known structure such as a frame can be used as it is.
  • Example 1 An acrylic polyol resin containing (meth) acrylic acid hydroxy ester and a copolymer of (meth) acrylic acid hydroxy ester was sampled so as to be 15% by mass with respect to 100% by mass of the urethane resin composition. These additives were added to the acrylic polyol resin so that the epoxy resin was 0.5% by mass, the polycarbonate resin was 0.5% by mass, and the titanium oxide was 50% by mass with respect to 100% by mass of the urethane resin composition. The main agent was prepared by mixing.
  • a urethane resin composition was prepared by adding non-yellowing polyisocyanate as a curing agent to the prepared main agent. Content of the non-yellowing polyisocyanate in a urethane resin composition was 4 weight part with respect to 100 weight part of main ingredients.
  • a polyethylene terephthalate film (product name: Toyobo Ester Film E5201 manufactured by Toyobo Co., Ltd.) having a thickness of 125 ⁇ m was prepared as a resin film.
  • the urethane resin composition prepared as described above is applied with a thickness of 5 ⁇ m by gravure printing, and cured by aging, thereby forming a weather resistant resin layer on the resin film and laminating. Got the body.
  • Comparative Example 1 A weather-resistant polyethylene terephthalate film (manufactured by Toray Industries, Inc., trade name: X10S, thickness 50 ⁇ m) was prepared and used as the weather-resistant resin layer of Comparative Example 1.
  • Comparative Example 2 Instead of the weather resistant resin layer, a weather resistant polyethylene terephthalate film (manufactured by Toray Industries, Inc., trade name: X10S, thickness 50 ⁇ m) was used, and the same procedure as in Example 1 was performed except that a urethane adhesive was used on the resin film. To obtain a laminate.
  • a weather resistant polyethylene terephthalate film manufactured by Toray Industries, Inc., trade name: X10S, thickness 50 ⁇ m
  • the application amount of the urethane adhesive was 10 g / m 2 in terms of solid content, and was cured by aging.
  • Comparative Example 3 A laminate was obtained in the same manner as in Example 1 except that a PVF film (DuPont thickness 38 ⁇ m) was used instead of the weather-resistant resin layer and the resin film was adhered using a urethane adhesive.
  • a PVF film DuPont thickness 38 ⁇ m
  • the application amount of the urethane adhesive was 10 g / m 2 in terms of solid content, and was cured by aging.
  • Tests shown in Test Examples 1 to 3 below were performed on the laminates obtained in Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer.
  • Test example 1 ⁇ Evaluation of weather resistance (discoloration)> As an evaluation of weather resistance, a UV irradiation test was conducted. Specifically, the color difference of the laminates obtained in Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer was measured using an X-Rite MA68IINS tester (manufactured by X-Rite Inc.). Color difference. Next, the laminates obtained in Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer were irradiated with UV under the conditions of 1000 w / m 2 , 300 to 400 nm, and 30 hr using a metal halide lamp.
  • the color difference of the laminate irradiated with UV or the weather resistant resin layer was measured using the tester, and was defined as the color difference after UV irradiation.
  • the difference between the initial color difference ⁇ b * value and the color difference ⁇ b * value after UV irradiation was calculated.
  • the evaluation result is “ ⁇ ”.
  • the difference in ⁇ b * values is> 3, the discoloration can be visually recognized, so the evaluation result is “x”.
  • Test example 2 ⁇ Evaluation of weather resistance (change in elongation at break)> The laminates of Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layers were evaluated for weather resistance (change in elongation at break after UV irradiation). Specifically, the elongation at break of each of the laminates obtained in Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer was measured to obtain the initial elongation at break. Moreover, the elongation at break was also measured for the laminate or the weather resistant resin layer irradiated with UV under the conditions of Test Example 1 described above, and the elongation after UV irradiation was determined.
  • breaking elongations were obtained by cutting the laminates of Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer into a sample having a width of 10 mm and a length of 150 mm, and using a strograph tester. The value obtained by measuring the elongation when the sample is broken under the condition of a tensile speed of 200 mm / min.
  • the ratio of the measured value of the breaking elongation after UV irradiation when the measured value of the initial breaking elongation was set to 100% was calculated in% to obtain the breaking elongation retention after UV irradiation.
  • the evaluation result was “ ⁇ ”, and when it was less than 50%, the evaluation result was “x”. The results are shown in Table 1.
  • Test example 3 Water resistance evaluation> The laminates of Example 1 and Comparative Examples 1 to 3 or the weather resistant resin layer were evaluated for weather resistance (change in elongation at break after PCT test). Specifically, with respect to the laminates obtained in Example 1 and Comparative Examples 1 to 3, or the weather resistant resin layers, using a pressure cooker (PCT) tester, the temperature was 120 ° C., the humidity was 100%, the pressure was 0. The PCT test was conducted under conditions of 2 MPa and a test time of 50 hours.
  • PCT pressure cooker
  • the laminate of Example 1 is a copolymer of (meth) acrylic acid hydroxy ester and (meth) acrylic acid hydroxy ester as the weather resistant resin layer. Therefore, it was found that discoloration after UV irradiation was suppressed, the elongation at break after UV irradiation was high, and the weather resistance was excellent. From the results of Test Example 3, it was found that the laminate of Example 1 had a high elongation at break after the PCT test and was excellent in water resistance.
  • the weather resistant resin layer of Comparative Example 1 and the laminate of Comparative Example 2 use a weather resistant polyethylene terephthalate film, discoloration occurs due to UV irradiation, and the elongation at break after UV irradiation is high. Low and inferior in weather resistance. Moreover, the weather resistant resin layer of Comparative Example 1 and the laminate of Comparative Example 2 had a low elongation at break after the PCT test and were inferior in water resistance.
  • the weather resistant resin layer permeates moisture, so that the lower resin film deteriorates and breaks and stretches after the PCT test. It was found that the degree retention was low and the water resistance was poor.
  • Solar cell module 10. Laminated body 11. Weather resistant resin layer 12. Resin film 20. Sealing material 30. Power generation cell 40. Glass plate 50. flame

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Laminated Bodies (AREA)
  • Photovoltaic Devices (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne : une couche de résine résistant aux intempéries, qui a une excellente résistance aux intempéries et une excellente étanchéité, et a également une propriété telle qu'aucune substance toxique n'est générée à partir d'une matière de déchets produite lors de l'élimination de la couche de résine ; et un stratifié produit à l'aide de la couche de résine. De façon spécifique, la présente invention concerne une couche de résine résistant aux intempéries caractérisée en ce qu'elle comprend une résine polyol acrylique qui comprend un hydroxyester d'acide (méth)acrylique et un copolymère d'un hydroxyester d'acide (méth)acrylique.
PCT/JP2013/080426 2012-11-30 2013-11-11 Couche de résine résistant aux intempéries, stratifié et module de cellule solaire WO2014084031A1 (fr)

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Application Number Priority Date Filing Date Title
CN201380050064.6A CN104703797B (zh) 2012-11-30 2013-11-11 耐候性树脂层、层叠体及太阳能电池组件

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JP2012262397A JP6084020B2 (ja) 2012-11-30 2012-11-30 耐候性樹脂層、積層体及び太陽電池モジュール
JP2012-262397 2012-11-30

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000129206A (ja) * 1998-10-21 2000-05-09 Dainippon Printing Co Ltd 上塗り層用組成物及び化粧シート
WO2007148754A1 (fr) * 2006-06-21 2007-12-27 Toppan Printing Co., Ltd. Feuille d'étanchéité de surface arrière d'une cellule solaire
WO2010067780A1 (fr) * 2008-12-12 2010-06-17 東レ株式会社 Film permettant de sceller le côté arrière d’une pile solaire, matériau permettant de sceller le côté arrière d’une pile solaire et module de piles solaires
WO2010116630A1 (fr) * 2009-03-30 2010-10-14 リンテック株式会社 Feuille protectrice pour module de cellules solaires et module de cellules solaires
JP2011071447A (ja) * 2009-09-28 2011-04-07 Dainippon Printing Co Ltd 太陽電池モジュール用裏面保護シート、及び太陽電池モジュール
JP2012082365A (ja) * 2010-10-14 2012-04-26 Dic Corp 硬化性コーティング組成物、積層ポリエステル樹脂フィルム及び太陽電池バックシート
WO2012090856A1 (fr) * 2010-12-28 2012-07-05 ヘンケルジャパン株式会社 Adhésif pour feuille arrière de cellule solaire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5601791B2 (ja) * 2009-04-28 2014-10-08 日東電工株式会社 自動車ホイール用保護フィルム

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000129206A (ja) * 1998-10-21 2000-05-09 Dainippon Printing Co Ltd 上塗り層用組成物及び化粧シート
US20100229945A1 (en) * 2006-06-21 2010-09-16 Masayoshi Suzuta Sheet for sealing rear surface of solar cell
WO2007148754A1 (fr) * 2006-06-21 2007-12-27 Toppan Printing Co., Ltd. Feuille d'étanchéité de surface arrière d'une cellule solaire
CA2658010A1 (fr) * 2006-06-21 2007-12-27 Toppan Printing Co., Ltd. Feuille de scellement de face arriere de photopile
JP2008004691A (ja) * 2006-06-21 2008-01-10 Toppan Printing Co Ltd 太陽電池裏面封止用シート
EP2040306A1 (fr) * 2006-06-21 2009-03-25 Toppan Printing Co., Ltd. Feuille d'étanchéité de surface arrière d'une cellule solaire
KR20090034883A (ko) * 2006-06-21 2009-04-08 도판 인사츠 가부시키가이샤 태양 전지 이면 밀봉용 시트
CN101479855A (zh) * 2006-06-21 2009-07-08 凸版印刷株式会社 太阳能电池背面密封用薄片
US20110259390A1 (en) * 2008-12-12 2011-10-27 Toray Industries, Inc. Film for sealing back side of solar cell, material for sealing back side of solar cell, and a solar cell module
EP2369637A1 (fr) * 2008-12-12 2011-09-28 Toray Industries, Inc. Film permettant de sceller le côté arrière d une pile solaire, matériau permettant de sceller le côté arrière d une pile solaire et module de piles solaires
TW201034219A (en) * 2008-12-12 2010-09-16 Toray Industries Film for sealing material for back of solar battery, sealing material for back of solar battery and solar battery module
CN102246318A (zh) * 2008-12-12 2011-11-16 东丽株式会社 太阳能电池背面密封材料用膜、太阳能电池背面密封材料及太阳能电池组件
WO2010067780A1 (fr) * 2008-12-12 2010-06-17 東レ株式会社 Film permettant de sceller le côté arrière d’une pile solaire, matériau permettant de sceller le côté arrière d’une pile solaire et module de piles solaires
KR20110097786A (ko) * 2008-12-12 2011-08-31 도레이 카부시키가이샤 태양전지 이면 밀봉재용 필름, 태양전지 이면 밀봉재 및 태양전지 모듈
EP2416381A1 (fr) * 2009-03-30 2012-02-08 LINTEC Corporation Feuille protectrice pour module de cellules solaires et module de cellules solaires
JP2010238815A (ja) * 2009-03-30 2010-10-21 Lintec Corp 太陽電池モジュール用保護シート及び太陽電池モジュール
US20120012164A1 (en) * 2009-03-30 2012-01-19 Shogo Sugiura Protective sheet for solar cell module and solar cell module
WO2010116630A1 (fr) * 2009-03-30 2010-10-14 リンテック株式会社 Feuille protectrice pour module de cellules solaires et module de cellules solaires
CN102365758A (zh) * 2009-03-30 2012-02-29 琳得科株式会社 太阳能电池组件用保护片及太阳能电池组件
JP2011071447A (ja) * 2009-09-28 2011-04-07 Dainippon Printing Co Ltd 太陽電池モジュール用裏面保護シート、及び太陽電池モジュール
JP2012082365A (ja) * 2010-10-14 2012-04-26 Dic Corp 硬化性コーティング組成物、積層ポリエステル樹脂フィルム及び太陽電池バックシート
WO2012090856A1 (fr) * 2010-12-28 2012-07-05 ヘンケルジャパン株式会社 Adhésif pour feuille arrière de cellule solaire
JP2012142349A (ja) * 2010-12-28 2012-07-26 Henkel Japan Ltd 太陽電池バックシート用接着剤

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