公开(公告)号：US11834534B2

公开(公告)日：2023-12-05

申请号：US17268653

申请日：2019-08-12

申请人： BASELL POLIOLEFINE ITALIA S.R.L.

发明人： Gianpiero Ferraro ,  Gianni Vitale ,  Fabrizio Piemontesi ,  Benedetta Gaddi ,  Gianni Collina ,  Giampiero Morini ,  Caroline Cathelin ,  Marco Ciarafoni ,  Claudio Cavalieri

IPC分类号： C08F210/16 ,  C08F210/06

CPC分类号： C08F210/06 ,  C08F210/16

摘要： A propylene ethylene copolymer having the following features:



an ethylene content of between 1.0 and 4.0% by weight;
a molecular weight distribution (MWD), expressed in terms of Mw/Mn, of greater than 4.0;
a content of xylene soluble fraction (XS) and ethylene content (C2) that fulfills the following relationship:

(C2×1.1)+1.25

公开(公告)号：US20230312897A1

公开(公告)日：2023-10-05

申请号：US18010421

申请日：2021-06-01

申请人： Basell Poliolefine Italia S.r.l.

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

IPC分类号： C08L23/14 ,  C08L23/16

CPC分类号： C08L23/142 ,  C08L23/16 ,  C08L2205/025 ,  C08L2203/14 ,  C08L2314/02

摘要： 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.