| abstract |
The present invention provides an adhesive for a dermal patch comprising an acrylate-base polymer in which the repetitive unit is represented by the formulae (1), (2) and (3): wherein M represents NH4+ or an alkali metal, and X represents an unsaturated monomer unit other than the formulae (1) and (2), containing 5 mole or more of acrylic acid (salt) represented by the formula (1) as a monomer unit, in which the content of ß-hydroxypropionic acid (salt) is 5,000 ppm or less per solid content of the polymer and having a stable shape retainability, adhesion and percutaneous absorptivity of medicines; an production process thereof; and an adhesive composition for a dermal patch containing the adhesive for a dermal patch, an aluminum compound and water. |