公开(公告)号：US20210079203A1

公开(公告)日：2021-03-18

申请号：US16961822

申请日：2019-01-15

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Dongbo XING ,  Hongtao SHI ,  Kai GUO ,  Xiqiang LIU ,  Dong WAN ,  Maria SOLIMAN

IPC: C08L23/14 ,  C08L23/06

Abstract: A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and b) an olefin polymer selected from high-density polyethylene HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.