Patent ID: 9550927
Date: 2017-01-24
CPC Classifications: C08F,C09J

Claim:
1. An acrylic block copolymer comprising: at least one A block; at least one B block; wherein the copolymer is inherently tacky at room temperature, the copolymer having a 180° Peel (Stainless Steel/15 minutes dwell time) adhesion of at least about 2 (lb/in) at 23° C. when tested according to PSTC-101 Method A, without addition of tackifiers, wherein the copolymer exhibits a polydispersity index in a range of from 1 to 4, wherein each of the at least one A blocks includes a minority proportion of monomers forming the B blocks and each of the at least one B blocks includes a minority proportion of monomers forming the A blocks, wherein the block copolymer is phase separated, wherein the block copolymer is an ABA structure, and wherein the block copolymer is solvent-based.