公开(公告)号：US20220403074A1

公开(公告)日：2022-12-22

申请号：US17773027

申请日：2021-09-29

Applicant: LG CHEM, LTD.

Inventor： Joongsoo KIM ,  Yeonsoo KIM ,  Changsub KIM ,  Bog Ki HONG ,  Ye Jin LEE ,  Jinmo KIM

IPC: C08F210/16 ,  C08F2/01 ,  C08F4/659

Abstract: The present disclosure relates to an ethylene/1-hexene copolymer having excellent flexibility and processability and useful for manufacturing high-pressure heating pipes, PE-RT pipes or large-diameter pipes.

公开(公告)号：US20230096686A1

公开(公告)日：2023-03-30

申请号：US17784085

申请日：2021-08-09

Applicant: LG CHEM, LTD.

Inventor： Changsub KIM ,  Joongsoo KIM ,  Yeonsoo KIM ,  Bog Ki HONG ,  Sol CHO ,  Hyojoon LEE ,  Jung Wook WEE

IPC: C08F210/16

Abstract: Provided are a pellet-type polyethylene resin composition capable of improving pipe pressure resistance property, dimensional stability, and processability at the same time, and a method of preparing the same.