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1. WO2012060086 - SOLAR BATTERY ENCAPSULANT AND SOLAR BATTERY MODULE

Publication Number WO/2012/060086
Publication Date 10.05.2012
International Application No. PCT/JP2011/006095
International Filing Date 31.10.2011
IPC
H01L 31/042 2006.01
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
C08F 210/16 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
210Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08K 5/00 2006.01
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
C08K 5/14 2006.01
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
C08K 5/54 2006.01
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
54Silicon-containing compounds
C08L 23/08 2006.01
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
CPC
C08F 210/16
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
210Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08K 5/14
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
C08K 5/5425
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
54Silicon-containing compounds
541containing oxygen
5425containing at least one C=C bond
C08L 2023/40
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
26modified by chemical after-treatment
40by reaction with compounds changing molecular weight
C08L 2023/42
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
26modified by chemical after-treatment
40by reaction with compounds changing molecular weight
42Depolymerisation, vis-breaking or degradation
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
Applicants
  • 三井化学株式会社 Mitsui Chemicals, Inc. [JP]/[JP] (AllExceptUS)
  • 池永 成伸 IKENAGA, Shigenobu (UsOnly)
  • 竹内 文人 TAKEUCHI, Fumito (UsOnly)
  • 渡辺 啓二 WATANABE, Keiji (UsOnly)
  • 伊藤 智章 ITO, Tomoaki (UsOnly)
Inventors
  • 池永 成伸 IKENAGA, Shigenobu
  • 竹内 文人 TAKEUCHI, Fumito
  • 渡辺 啓二 WATANABE, Keiji
  • 伊藤 智章 ITO, Tomoaki
Agents
  • 速水 進治 HAYAMI, Shinji
Priority Data
2010-24625302.11.2010JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SOLAR BATTERY ENCAPSULANT AND SOLAR BATTERY MODULE
(FR) MATÉRIAU D'ENCAPSULATION DE PILE SOLAIRE ET MODULE DE PILE SOLAIRE
(JA) 太陽電池封止材および太陽電池モジュール
Abstract
(EN)
The purpose of the present invention is to provide a solar battery encapsulant excellent in characteristics such as transparency, flexibility, adhesiveness, heat resistance, appearance, crosslink characteristics, electrical characteristics, and calender formability. In order to achieve the purpose described above, provided is a solar battery encapsulant containing an ethylene-α-olefin copolymer that satisfies requirements (a1) to (a4). (a1) The content ratio of a constitutional unit derived from ethylene is 80 to 90 mol% while the content ratio of a constitutional unit derived from α-olefin having 3 to 20 carbon atoms is 10 to 20 mol%. (a2) MFR measured at 190°C under 2.16 kg load in accordance with ASTM D1238 is 2 g/10 min. to 10 g/10 min. (a3) Density measured in accordance with ASTM D1505 is 0.865 to 0.884 g/cm3. (a4) Shore A hardness measured in accordance with ASTM D2240 is 60 to 85.
(FR)
La présente invention concerne un matériau d'encapsulation de pile solaire excellent du point de vue de la transparence, la flexibilité, l'adhésivité, la résistance thermique, l'apparence, des caractéristiques de réticulation, des caractéristiques électriques et de l'aptitude au calandrage. Ledit matériau d'encapsulation de pile solaire contient un copolymère éthylène/α-oléfine qui répond aux critères (a1) à (a4). (a1) La concentration d'une unité constitutive dérivée de l'éthylène va de 80 à 90 mol% tandis que la concentration d'une unité constitutive dérivée d'une α-oléfine ayant de 3 à 20 atomes de carbone va de 10 à 20 mol%. (a2) L'indice de fluidité (IF) mesuré à 190°C sous une charge de 2,16 kg selon la norme ASTM D1238 va de 2 g/10 mn à 10 g/10 mn. (a3) La densité mesurée selon la norme ASTM D1505 va de 0,865 à 0,884 g/cm3. (a4) La dureté Shore A mesurée selon la norme ASTM D2240 va de 60 à 85.
(JA)
 本発明は、透明性、柔軟性、接着性、耐熱性、外観、架橋特性、電気特性およびカレンダー成形性などの諸特性に優れる太陽電池封止材を提供することを目的とする。 上記目的を達成するため、以下の要件a1)~a4)を満たすエチレン・α-オレフィン共重合体を含む太陽電池封止材とする。 a1)エチレンに由来する構成単位の含有割合が80~90mol%であるとともに、炭素数3~20のα-オレフィンに由来する構成単位の含有割合が10~20mol%である。 a2)ASTM D1238に準拠し、190℃、2.16kg荷重の条件で測定されるMFRが2g/10分以上、10g/10分未満である。 a3)ASTM D1505に準拠して測定される密度が0.865~0.884g/cmである。 a4)ASTM D2240に準拠して測定されるショアA硬度が60~85である。
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