| abstract |
[PROBLEMS] To provide a composition having a good balance between adhesive strength and cohesive strength and excellent skin adhesiveness, and a patch having these physical properties and difficult to peel off. A composition comprising an acrylic copolymer containing 3 to 25% by weight of hydroxyethyl (meth) acrylate, a plasticizer, and a pseudo-crosslinking compound, the content of the plasticizer and pseudo-crosslinking The said composition and patch whose ratio with content of an ionic compound is 30: 1-250: 1. [Selection figure] None |