an adhesive sheet including an adhesive composition disposed on at least one face of a film of acetyl cellulose , the adhesive sheet being produced by coating a solution of the adhesive composition on the face of the film and drying the solution to form a laminate , the adhesive composition containing a copolymer of acrylic esters , a crosslinking agent and a phenol compound . the adhesive composition in the adhesive sheet serves to suppress degradation of easily hydrolyzable materials by hydrolysis , improve durability and provides excellent stress relaxation without using plasticizers .