粘着剂及于至少一层PSA片贴条之用途,该贴条可重覆贴合,且在贴合面上实质广泛拉伸时无残留或破坏ADHESIVE AND ITS USE FOR AN AT LEAST ONE-LAYER PSA SHEET STRIP WHICH CAN BE REDETACHED WITHOUT RESIDUE OR DESTRUCTION BY EXTENSIVE STRETCHING SUBSTANTIALLY IN THE BOND PLANE

摘要

本发明系关于一种用于至少一层压感性粘着片贴条之粘着剂，该贴条在贴合面上可被实质广泛的拉伸而无残留及破坏，该粘着剂系由至少一种具有一或两个由乙烯基芳族所组成之末端嵌段的嵌段共聚物，和一种由共轭二烯所组成的嵌段(其中1,2–链接之二烯系选择性被氢化)之嵌段共聚物所构成。