PATCH AND PATCH PREPARATION

摘要

PURPOSE: A patch and patch formulation are provided, which enhance skin adhesion and reduce an adhesive remnant on the skin surface. CONSTITUTION: A patch comprises: a supporter; and an adhesive layer formed on one or more surfaces of the supporter. The adhesive layer comprises an elastomer which is obtained in cross-linking a polymer having butadiene skeleton part under the presence of organic peroxide. The weight ratio of the toluene-insoluble component within the adhesive layer against the total weight of the adhesive layer is 5-32 weight%.