PROBLEM TO BE SOLVED: To provide a water-based adhesive patch having moderate air permeability, adjusting evaporation of water from a plaster, maintaining adhesion of the plaster for a long period of time, and capable of pasting for a long time, and to provide a substrate used therefor.SOLUTION: The water-based adhesive patch is formed by arranging a film layer provided with through-holes between an inner fibrous layer for holding the plaster and an outer fibrous layer having air permeability the substrate composed of three layers and the plaster on the inner fibrous layer side.COPYRIGHT: (C)2012,JPO&INPIT【課題】適度な通気性を備え、膏体からの水分蒸発を調整し、膏体の粘着力を長期間維持することができ、長時間貼付可能水性貼付剤並びにそれに使用される支持体の提供。【解決手段】膏体を保持するための内繊維層と通気性を有する外繊維層の間に、貫通孔を設けたフィルム層を配し、三層からなる支持体及びその内繊維層側に膏体を配してなる水性貼付剤。【選択図】なし
