| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solar cell sealing material capable of increasing gel fraction caused by crosslinking after sealing. <P>SOLUTION: A solar cell sealing material includes an ethylene-vinyl acetate copolymer (A) and a crosslinking agent (B), the ethylene-vinyl acetate copolymer (A) comprising an ethylene-vinyl acetate copolymer (A1) having a content of a vinyl acetate unit of 10-35 wt.% and an ethylene-vinyl acetate copolymer (A2) having a content of a vinyl acetate unit of 40-75 wt.%, and having a ratio A1/A2 (weight ratio) in a range of 99/1 to 60/40. <P>COPYRIGHT: (C)2013,JPO&INPIT |
