| 摘要 |
PROBLEM TO BE SOLVED: To provide an aqueous adhesive excellent in adhesive properties such as adhesive force, retentivity, constant load retentivity.SOLUTION: An aqueous adhesive is obtained by using a composition for the aqueous adhesive containing an acryl resin (A), a tackifier (B) and an aqueous medium (C), and an amount of an extract obtained when an adhesive sheet obtained by using the aqueous adhesive is immersed into a mixed solution of water and methanol with equal quantity in volume ratio is 3 mass% or less based on the mass of an adhesive layer of the adhesive sheet. |
