SEALING MATERIAL FOR SOLAR CELL AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a sealing material for a solar cell, the sealing material being capable of improving the safety during manufacturing, and sufficiently improving cross-linking density of an ethylene-vinyl acetate copolymer (EVA), and suppressing foaming.SOLUTION: A sealing material f...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIE MASAHIRO, SATO MASAYUKI, NISHIKAWA TORU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SEMICONDUCTOR DEVICES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sealing material for a solar cell, the sealing material being capable of improving the safety during manufacturing, and sufficiently improving cross-linking density of an ethylene-vinyl acetate copolymer (EVA), and suppressing foaming.SOLUTION: A sealing material for a solar cell includes: an ethylene-vinyl acetate copolymer (A) having 25-35 wt.% of a structural unit formed of vinyl acetate; and a mixed organic peroxide (B) comprising an organic peroxide (I) and an organic peroxide (II). A content of the mixed organic peroxide (B) is 0.1-3.0 pts. wt. based on 100 pts. wt. of the ethylene-vinyl acetate copolymer (A), and a weight ratio (I:II) of the organic peroxide (I) and the organic peroxide (II) in the mixed organic peroxide (B) is 100:30-150.