公开(公告)号：WO2022122395A1

公开(公告)日：2022-06-16

申请号：PCT/EP2021/082938

申请日：2021-11-25

Applicant: BASELL POLIOLEFINE ITALIA S.R.L. [IT]/[IT]

Inventor： MASSARI, Paola ,  FELISATI, Andrea ,  CAVALIERI, Claudio ,  GALVAN, Monica ,  GRAZZI, Michele

IPC: C08J5/18 ,  C08L23/10

Abstract: A polymer composition comprising: A) from 70 wt% to 95 wt% of a propylene composition comprising: A1) from 19 wt% to 50 wt% of a propylene ethylene; A2) from 50 wt% to 81 wt% of a propylene ethylene 1-butene; the sum of the amount of component A1) and A2) being 100; the composition being characterized by a xylene soluble fraction at 0/25 °C comprised between 2 wt% and 15 wt%; B) from 5.0 wt% to 30.0 wt% of a copolymer of 1-butene and ethylene containing from 3.0 wt% to 4.2 wt% of ethylene derived units.