公开(公告)号：US20240384080A1

公开(公告)日：2024-11-21

申请号：US18693834

申请日：2022-09-13

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Davide Tartari ,  Stefano Spataro ,  Alberto Nardin ,  Lelio Basile

IPC: C08L23/12

Abstract: A polypropylene composition made from or containing: A) from 90.6 wt % to 97.0 wt % of a propylene homopolymer having a melt flow rate between 40.0 g/10 min and 100.0 g/10 min; and B) from 3.0 wt % to 9.4 wt % of a propylene ethylene copolymer having an ethylene content ranging from 22 wt % to 38 wt %; wherein the polypropylene composition having: i) a xylene soluble fraction at 25° C. ranging from 5 wt % to 13.0 wt %; ii) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 0.3 wt % to 1.6 wt %; iii) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 13.2 wt % to 27.0 wt %; and (iv) a melt flow rate, MFR between 35.0 g/10 min and 70.0 g/10 min.

公开(公告)号：US20230312897A1

公开(公告)日：2023-10-05

申请号：US18010421

申请日：2021-06-01

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Gianpiero Ferraro ,  Claudio Cavalieri ,  Caroline Cathelin ,  Eleonora Ciaccia ,  Marco Ciarafoni ,  Ambra Montaletti ,  Alberta De Capua ,  Roberto Pantaleoni ,  Tiziana Caputo ,  Giansiro Prini ,  Alberto Nardin

IPC: C08L23/14 ,  C08L23/16

CPC classification number: C08L23/142 ,  C08L23/16 ,  C08L2205/025 ,  C08L2203/14 ,  C08L2314/02

Abstract: A polypropylene composition made from or containing:



from 70 wt % to 90 wt % of a propylene 1-hexene copolymer containing from 1.0 wt % to 5.0 wt % of 1-hexene derived units and a polydispersity index (PI) between 9.2 and 21.3; and
from 10 wt % to 30 wt % of a copolymer of propylene and ethylene containing from 45.0 wt % to 65.0 wt % of ethylene derived units;
the sum A)+B) being 100.

公开(公告)号：US20240309134A1

公开(公告)日：2024-09-19

申请号：US18577637

申请日：2022-06-24

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Marco Bocchino ,  Davide Tartari ,  Alberto Nardin ,  Benedetta Gaddi ,  Gianni Colina ,  Nicola Pazi

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08J5/18 ,  C08J2323/16

Abstract: A biaxially oriented polypropylene (BOPP) film made from or containing a copolymer of propylene and ethylene having:



i) the content of ethylene derived units ranging from 0.5 wt % to 2.2 wt %;
ii) a xylene soluble fraction at 25°° C. ranging from 4.3 wt % to 6.5 wt %; and
iii) a melt flow rate, MFR, measured according to ISO 1133-1:2012 at 230° C. with a load of 2.16 kg, ranging from 0.5 g/10 min to 7.0 g/10 min.