Patent ID: 8624078
Filing Date: 2014-01-07
Classification: A61L,C08K,C08L,C09J,Y10T

Abstract:
1. A pressure sensitive, hot melt processable adhesive composition comprising a polar plasticising oil or a combination of polar plasticising oils in the content of above 10% (w/w) of the final adhesive, and at least one polar polyethylene copolymer, and polyisobutylene, wherein the content of the polar polyethylene copolymer is 10-45% (w/w) of the final adhesive, the polar polyethylene copolymer has a melt flow index below 2 g/10 min (190° C./21.1 N), and the polar polyethylene copolymer is ethylene vinyl acetate (EVA) with a vinyl acetate content of 40-80% (w/w), and further wherein the pressure sensitive, hot melt processable adhesive composition is substantially free of tackifier resin.