公开(公告)号：EP3766935A1

公开(公告)日：2021-01-20

申请号：EP20194041.8

申请日：2018-02-19

申请人： INEOS Styrolution Group GmbH

发明人： Verswyvel, Michiel ,  Niessner, Norbert ,  Wagner, Daniel ,  Schuster, Michael ,  Verlinden, Geert ,  Van-Den-Bossche, Bart ,  Knoll, Konrad

IPC分类号： C08L53/02 ,  C08F297/02 ,  B65B53/02 ,  C08J5/18

摘要： Polymer compositions comprising stiff and tough star shaped styrene butadiene blockcopolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure

with hard blocks S e and S i , hard random copolymer blocks (B/S) Ae , soft random copolymer blocks (B/S) B coupled by a coupling agent X.