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1. WO2013058354 - SEALING FILM FOR SOLAR CELLS, AND SOLAR CELL USING SAME

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Publication Number WO/2013/058354
Publication Date 25.04.2013
International Application No. PCT/JP2012/077061
International Filing Date 19.10.2012
IPC
H01L 31/042 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic conversion devices
042PV modules or arrays of single PV cells
C08K 5/14 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
14Peroxides
C08L 23/08 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
C08L 31/04 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
31Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Compositions of derivatives of such polymers
02Homopolymers or copolymers of esters of monocarboxylic acids
04Homopolymers or copolymers of vinyl acetate
C08L 33/12 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
33Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Compositions of derivatives of such polymers
04Homopolymers or copolymers of esters
06of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
10Homopolymers or copolymers of methacrylic acid esters
12Homopolymers or copolymers of methyl methacrylate
C09K 3/10 2006.1
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
3Materials not provided for elsewhere
10for sealing or packing joints or covers
CPC
C08L 2203/16
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2203Applications
16used for films
C08L 2203/204
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2203Applications
20use in electrical or conductive gadgets
204use in solar cells
C08L 2205/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2205Polymer mixtures characterised by other features
02containing two or more polymers of the same C08L -group
C08L 23/0846
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
C08L 23/0853
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
0853Vinylacetate
C09K 2200/062
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
2200Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
06Macromolecular organic compounds, e.g. prepolymers
0615obtained by reactions only involving carbon-to-carbon unsaturated bonds
0617Polyalkenes
062Polyethylene
Applicants
  • 株式会社ブリヂストン BRIDGESTONE CORPORATION [JP]/[JP]
Inventors
  • 片岡　央尚 KATAOKA Hisataka
Agents
  • 江藤　聡明 ETOH Toshiaki
Priority Data
2011-23134921.10.2011JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) SEALING FILM FOR SOLAR CELLS, AND SOLAR CELL USING SAME
(FR) FILM DE SCELLAGE POUR CELLULES SOLAIRES, ET CELLULE SOLAIRE L'UTILISANT
(JA) 太陽電池用封止膜及びこれを用いた太陽電池
front page image
Abstract
(EN) Provided is a sealing film for solar cells, which is suppressed in acid generation and has high transparency and improved electrical insulation. Sealing films (13A, 13B) for solar cells, which are characterized by: containing an ethylene-vinyl acetate copolymer (EVA), an ethylene-methyl methacrylate copolymer (EMMA) and a crosslinking agent; and having a mass ratio of the ethylene-vinyl acetate copolymer to the ethylene-methyl methacrylate copolymer, namely EVA:EMMA of from 10:90 to 90:10.
(FR) L'invention concerne un film de scellage pour cellules solaires, caractérisé par une limitation de la génération d'acide, une transparence élevée et une isolation électrique améliorée. Des films (13A, 13B) de scellage pour cellules solaires selon l'invention sont caractérisés : en ce qu'ils contiennent un copolymère éthylène-acétate de vinyle (EVA), un copolymère éthylene-méthacrylate de méthyle (EMMA) et un agent de réticulation ; et en ce qu'ils présentent un rapport de masse du copolymère éthylène-acétate de vinyle au copolymère éthylene-méthacrylate de méthyle, c.-à-d. EVA:EMMA, allant de 10:90 à 90:10.
(JA) 　酸の発生が抑制され、透明性が高く、絶縁性が向上した太陽電池用封止膜を提供すること。　エチレン－酢酸ビニル共重合体（ＥＶＡ）、エチレン－メタクリル酸メチル共重合体（ＥＭＭＡ）及び架橋剤を含み、前記エチレン－酢酸ビニル共重合体と前記エチレン－メタクリル酸メチル共重合体の質量比（ＥＶＡ：ＥＭＭＡ）が、１０：９０～９０：１０であることを特徴とする太陽電池用封止膜１３Ａ、１３Ｂ。
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