| 摘要 |
PROBLEM TO BE SOLVED: To provide: an easy adhesive for solar cell rear surface protective sheet, overcoming traditional problems, and excellent in adhesiveness and adhesion durability; and the solar cell rear-surface protective sheet; and a solar cell module using the solar cell rear-surface protective sheet.SOLUTION: There is disclosed the easy adhesive for solar cell surface protective sheet containing in a specific proportion a (meth)acrylic copolymer (A) exhibiting a specific glass transition temperature, number-average molecular weight and hydroxyl value, and a polyisocyanate compound (B), and containing carbon-carbon double bonds derived from (meth)acryloyl group of an amount specified in a specific range of iodine number. |
