| 摘要 |
PROBLEM TO BE SOLVED: To provide an adhesive which can maintain a high adhesive strength over a long period by suppressing the deterioration in the adhesive strength with time when weathering.SOLUTION: The adhesive composition for laminated sheets uses a principal ingredient and a curing agent, wherein the principal ingredient comprises (A) a diol having a number-average molecular weight of 700-5,000, (B) a polymer having a number-average molecular weight of 7,000-50,000 and a glass transition temperature of -20 to 60°C and having in one molecule a primary hydroxyl group on the average of 1.5-3.5, and (C) an epoxy resin having a number-average molecular weight of 250-3,000. The curing agent contains (D) a polyisocyanate. |
