EASY ADHESIVE FOR SOLAR CELL BACK SURFACE PROTECTION SHEET, SOLAR CELL BACK SURFACE PROTECTION SHEET, AND SOLAR CELL MODULE

摘要

PROBLEM TO BE SOLVED: To provide an easy adhesive for solar cell back surface protection sheet, whose conventional problem has been overcome, and which is excellent in adhesivity and adhesive durability; and to provide a solar cell back surface protection sheet, and a solar cell module using the solar cell back surface protection sheet.SOLUTION: The easy adhesive for solar cell back surface protection sheet contains: a (meth)acrylic copolymer (A) having a specific glass transition temperature, number-average molecular weight and hydroxide value, and having no (meth)acryloyl group; a compound (B) having a (meth)acryloyl group; and a polyisocyanate compound (C) in specific proportions.