Patent ID: 7976865
Filing Date: 2011-07-12
Classification: A61K,A61L,A61P,C08L,C09J

Abstract:
1. A medical tape preparation comprising a pressure-sensitive adhesive layer and a release liner laminated in that order on one side of a support, wherein the pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive that is a mixture of two different pressure-sensitive adhesives: (A) a pressure-sensitive adhesive polymer A comprising a copolymer whose constituent components are 2-acetoacetoxyethyl methacrylate ester and one or more vinyl monomer selected from alkyl (meth)acrylate esters with C (B) a pressure-sensitive adhesive polymer B comprising a copolymer different from pressure-sensitive adhesive polymer A, whose constituent components are an alkyl (meth)acrylate ester with a C wherein the proportion of the pressure-sensitive adhesive polymer A as component (A) and the pressure-sensitive adhesive polymer B as component (B) is 1:9-4:1.