PATCH FOR MEDICINAL WATER DRAINING CONTROL

摘要

PURPOSE: A patch for a medicinal water draining control is provided to have a simple producing process, and to effectively control the draining of the medicinal water. CONSTITUTION: The patch for the medicinal water draining control comprises: a gluing layer(1); a draining control complex layer(2); a medicinal water storing layer(3); a support film(4); the gluing layer containing an anionic high molecule; the medical water storing layer containing a cationic high molecule; the interface of the gluing layer and the medical water storing layer additionally formed the draining control complex layer by the anionic high molecule and the cationic high molecule. Thereby the patch for the medicinal water draining control effectively delays the topical absorption of the medical water, to have the simple production method, to largely reduce the producing costs, and to control the draining speed of the medicinal water by controlling the density of the complex layer.