公开(公告)号：US12065529B2

公开(公告)日：2024-08-20

申请号：US17044494

申请日：2019-11-27

Applicant: LG Chem, Ltd.

Inventor： Sungkeun Jang ,  Changhoe Heo ,  Seonghun Kim ,  Eun Jung Joo ,  Donghoon Kim

IPC: C08F6/06 ,  B01D3/32 ,  B01D5/00 ,  C08F6/04 ,  C08F6/10 ,  C08F6/12 ,  C08F6/16

CPC classification number: C08F6/16 ,  B01D3/322 ,  B01D5/006 ,  C08F6/04 ,  C08F6/12

Abstract: The present disclosure relates to a purification method of a polymerization solvent used in and recovered from the preparation of a polyolefin resin, which can effectively remove impurities, in particular polyolefin wax, from the polymerization solvent to obtain a purified polymerization solvent with high purity, and can improve energy efficiency.

公开(公告)号：US20210115169A1

公开(公告)日：2021-04-22

申请号：US17044494

申请日：2019-11-27

Applicant: LG Chem, Ltd.

Inventor： Sungkeun Jang ,  Changhoe Heo ,  Seonghun Kim ,  Eun Jung Joo ,  Donghoon Kim

IPC: C08F6/16 ,  C08F6/12 ,  C08F6/04 ,  B01D3/32 ,  B01D5/00

Abstract: The present disclosure relates to a purification method of a polymerization solvent used in and recovered from the preparation of a polyolefin resin, which can effectively remove impurities, in particular polyolefin wax, from the polymerization solvent to obtain a purified polymerization solvent with high purity, and can improve energy efficiency.