公开(公告)号：US20230095189A1

公开(公告)日：2023-03-30

申请号：US17908333

申请日：2021-02-23

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： GIANPIERO FERRARO ,  MARCO CIARAFONI ,  CLAUDIO CAVALIERI ,  CAROLINE CATHELIN ,  GIANSIRO PRINI

IPC: C08F210/06 ,  B29C45/00

Abstract: A propylene/1-hexene copolymer having i) the content of 1-hexene derived units, measured by C13-NMR, ranging from 1.5 wt % to 2.5 wt % and the content of propylene derived units ranging from 97.5 to 98.5 wt. %; ii) a melting temperature, measured by DSC, ranging from 148 to 153° C.; iii) an amount of fraction insoluble in xylene at 25° C. higher than 97.0%; and iv) a melt flow rate (MFR), measured according to ISO 1133, 230° C., 2.16 kg, ranging from 35 to 65 g/10 min.