Patent ID: 9657197
Date: 2017-05-23
CPC Classifications: B32B,C08F,C08G,C09J,G02F,H01B,Y10T

Claim:
1. A pressure-sensitive adhesive, comprising a (meth)acryl-based polymer obtained by solution polymerization or radiation polymerization of a monomer component including 30 to 99.5% by weight of an alkyl (meth)acrylate having a branched alkyl group of 14 to 18 carbon atoms at an ester end, 0.5 to 50% by weight of a cyclic nitrogen-containing monomer and 0.5 to 49% by weight of an alkyl (meth)acrylate having an alkyl group of 1 to 9 carbon atoms at an ester end, wherein the alkyl (meth)acrylate having a branched alkyl group of 14 to 18 carbon atoms at an ester end is a t-butyl group included isostearyl acrylate represented by the following formula: