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1. (WO2013111853) SEALING FILM FOR SOLAR CELLS, AND SOLAR CELL USING SAME

Pub. No.:    WO/2013/111853    International Application No.:    PCT/JP2013/051580
Publication Date: Fri Aug 02 01:59:59 CEST 2013 International Filing Date: Sat Jan 26 00:59:59 CET 2013
IPC: H01L 31/042
C08K 5/14
C08L 23/06
C08L 23/08
Applicants: BRIDGESTONE CORPORATION
株式会社ブリヂストン
Inventors: INAMIYA Takato
稲宮 隆人
KATAOKA Hisataka
片岡 央尚
KAGA Norihiko
加賀 紀彦
TARUTANI Yasunori
樽谷 泰典
Title: SEALING FILM FOR SOLAR CELLS, AND SOLAR CELL USING SAME
Abstract:
To provide a sealing film for solar cells, which is capable of reducing the generation of a gas. A sealing film (13A, 13B) for solar cells, which is characterized by containing an organic peroxide and a resin mixture that is composed of an ethylene-vinyl acetate copolymer and a polyethylene. The sealing film (13A, 13B) for solar cells is also characterized in that the mass ratio of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) in the resin mixture, namely (EVA:PE) is from 8:2 to 3:7; the organic peroxide is contained in an amount of 0.1-1.0 part by mass per 100 parts by mass of the resin mixture; and the gel fraction after crosslinking is 20-80% by mass.