Patent ID: 8367777
Filing Date: 2013-02-05
Classification: A61K,A61Q,C08F,C08L,C09J,Y10S

Abstract:
1. A linear, block copolymer, comprising: at least two blocks having different glass transition temperatures, Tg; wherein at least one of said blocks has a glass transition temperature of 20° C. to −100° C., and wherein the at least one block having a Tg of 20° C. to −100° C. is a copolymer B comprising a first monomer wherein the Tg of the corresponding homopolymer is in the range from more than 20° C. to 200° C., and a second monomer wherein the Tg of the corresponding homopolymer is in the range from 20° C. to −100° C.; wherein the first monomer is acrylic acid; wherein the second monomer is an acrylate of formula CH a methacrylate of formula: wherein R and wherein said copolymer having an adhesion or tack value of greater than 1N; and wherein the copolymer does not comprise styrene.