公开(公告)号：US20230140291A1

公开(公告)日：2023-05-04

申请号：US16487211

申请日：2018-02-19

Applicant: INEOS STYROLUTION GROUP GMBH

Inventor： Michiel VERSWYVEL ,  Norbert NIESSNER ,  Daniel WAGNER ,  Michael SCHUSTER ,  Geert VERLINDEN ,  Bart VAN-DEN-BOSSCHE ,  Konrad KNOLL

IPC: C08L53/02 ,  C08J5/18

Abstract: Polymer compositions comprising stiff and tough star shaped styrene butadiene block-copolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure with hard blocks Se and Si, hard random copolymer blocks (B/S)Ae, soft random copolymer blocks (B/S)B coupled by a coupling agent X.