公开(公告)号：US20220010046A1

公开(公告)日：2022-01-13

申请号：US17288804

申请日：2019-10-23

Applicant: BOREALIS AG

Inventor： Yi Liu ,  Qizheng Dou ,  Victor Sumerin ,  Markku Vahteri ,  Thomas Hjertberg ,  Girish Suresh Gali ,  Alexandra Romina Albunia

IPC: C08F210/16 ,  C08F2/00 ,  C08L23/08

Abstract: The present invention relates to a polyethylene composition comprising a base resin having a density of from 950.0 kg/m3 to 962.0 kg/m3, determined according to ISO 1183, wherein the polyethylene composition has a melt flow rate MFR21 (190° C., 21.16 kg), of from 1.0 to 9.0 g/10 min, determined according to ISO 1133 and a viscosity at a constant shear stress of 747 Pa eta747 of from 3500 kPa #s to 20000 kPa #s, a polyethylene composition obtainable by a multi-stage process, a process for producing said polyethylene composition, an article, such as a pipe or pipe fitting, comprising said polyethylene composition and the use of said polyethylene composition for the production of an article, such as a pipe or pipe fitting.