公开(公告)号：US11274207B2

公开(公告)日：2022-03-15

申请号：US16500031

申请日：2018-10-30

Applicant: LG CHEM, LTD.

Inventor： Hyun Woog Ryu ,  Joong Jin Han ,  Eunju Park ,  Kwonsu Jung ,  Hansol Kim ,  Jong Hyun Chae ,  Daeil Kim

IPC: C08L81/02 ,  C08J5/18 ,  C08K5/375 ,  C08L25/18

Abstract: The present invention provides a polyarylene sulfide resin composition comprising a mixture of polyarylene sulfide and a binder resin having excellent electrical conductivity and high temperature stability.

公开(公告)号：US20210238137A1

公开(公告)日：2021-08-05

申请号：US17054729

申请日：2019-09-27

Applicant: LG CHEM, LTD.

Inventor： Sanghwan Jo ,  Joong Jin Han ,  Hansol Kim

IPC: C07D207/267 ,  B01D3/14 ,  B01D3/40 ,  C08G75/0281 ,  C08G75/0259

Abstract: The present disclosure provides a method and an apparatus for efficiently recovering an amide-based compound such as N-methyl-2-pyrrolidone from an aqueous solution containing an amide-based compound such as N-methyl-2-pyrrolidone.

公开(公告)号：US20210214503A1

公开(公告)日：2021-07-15

申请号：US17273261

申请日：2019-10-18

Applicant: LG CHEM, LTD.

Inventor： Hansol Kim ,  Joong Jin Han ,  Sanghwan Jo

IPC: C08G75/0281 ,  C08G75/0254

Abstract: The present disclosure relates to a method of more efficiently separating and purifying a polyarylene sulfide exhibiting excellent strength, heat resistance, flame retardancy, and processability when processed into a molded product after polymerization.

公开(公告)号：US10428016B2

公开(公告)日：2019-10-01

申请号：US15542989

申请日：2016-01-27

Applicant: LG CHEM, LTD.

Inventor： Yong Jin Jang ,  Joong Jin Han ,  Youngjea Kim ,  Esder Kang ,  Sehee Jung ,  Hyun Woog Ryu ,  Yunah Yu

IPC: H01M8/00 ,  C07C311/48 ,  H01M8/18 ,  B01J39/19 ,  C08G65/40 ,  C08J5/22 ,  H01M8/1004 ,  H01M8/1018

Abstract: The present specification relates to a compound comprising an aromatic ring, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.

公开(公告)号：US10279320B2

公开(公告)日：2019-05-07

申请号：US15021847

申请日：2014-09-16

Applicant: LG CHEM, LTD.

Inventor： Hyejin Kwon ,  Seungpyo Jeong ,  Taehyeong Kim ,  Joong Jin Han ,  Chong Kyu Shin

IPC: C08J5/22 ,  B01D61/02 ,  B01D61/14 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/28 ,  B01D71/32 ,  B01D71/52 ,  B01D71/76 ,  B01D71/80 ,  B01D71/82

Abstract: The present invention relates to a water treatment membrane including a support; and a polymer layer including a copolymer containing a hydrophobic repeating unit and a hydrophilic repeating unit including an ion exchange functional group on the support, wherein the polymer layer has ion exchange capacity (IEC) of 0.02 meq/g to 2.4 meq/g, and to a water treatment module, which have excellent salt rejection and permeate flow properties.

公开(公告)号：US20160226091A1

公开(公告)日：2016-08-04

申请号：US15022454

申请日：2014-10-17

Applicant: LG CHEM, LTD.

Inventor： Hyungsam Choi ,  Joong Jin Han ,  Chong Kyu Shin ,  Seungpyo Jeong ,  Youngjea Kim

IPC: H01M8/1051 ,  H01M8/20 ,  H01M8/18 ,  H01M8/1027

CPC classification number: H01M8/1051 ,  H01M8/102 ,  H01M8/1027 ,  H01M8/1039 ,  H01M8/1081 ,  H01M8/188 ,  H01M8/20 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02E60/528 ,  Y02P70/56

Abstract: The present application relates to an ion transport material, an electrolyte membrane including the same, and a method for manufacturing the same, and more specifically, provides an ion transport material in which inorganic particles are dispersed in a peripheral portion of a sulfonic acid group of a partially fluorinated polymer containing sulfonic acid, an electrolyte membrane including the same, and a method for manufacturing the same.

Abstract translation: 本发明涉及离子传输材料，包含该离子传输材料的电解质膜及其制造方法，更具体地，提供一种离子传输材料，其中无机颗粒分散在磺酸基的周边部分 含有磺酸的部分氟化聚合物，包含该磺酸的电解质膜及其制造方法。

公开(公告)号：US12146033B2

公开(公告)日：2024-11-19

申请号：US17270804

申请日：2019-10-25

Applicant: LG CHEM, LTD.

Inventor： Myeongjin Ha ,  Joong Jin Han ,  Eunju Park ,  Sung Ho Lee ,  Myong Jo Ham ,  Jeongbin Lee ,  Youngseok Kim

IPC: C08G75/0254 ,  C08G75/0204 ,  C08G75/0209 ,  C08G75/0213 ,  C08G75/025 ,  C08G75/0259 ,  C08G75/0281 ,  C08K5/098

Abstract: A method is provided for preparing a low temperature thermosetting polyarylene sulfide having significantly low crystallinity while maintaining a low melt flow rate at a high polymerization yield, so as to ensure excellent laser welding property and mechanical properties even when used in a molded product on the transmitting side of laser beam by a laser welding method.

公开(公告)号：US11114692B2

公开(公告)日：2021-09-07

申请号：US16468589

申请日：2018-07-03

Applicant: LG Chem, Ltd.

Inventor： Sol Ji Park ,  Kyoung Ho Ahn ,  Young Jea Kim ,  Yong Jin Jang ,  Joong Jin Han ,  Chul Haeng Lee

IPC: H01M10/0565 ,  H01M10/0525 ,  C08G61/12

Abstract: The present invention relates to a polymer electrolyte for a secondary battery and a lithium secondary battery comprising the same, and particularly, to a polymer electrolyte for a secondary battery, in which mechanical properties, ionic conductivity, and electrical conductivity are improved by comprising a polymer and an electron-acceptor having at least one double bond, as a dopant, and a lithium secondary battery in which electrochemical stability at high temperature and high voltage is enhanced by comprising the polymer electrolyte.

公开(公告)号：US10446864B2

公开(公告)日：2019-10-15

申请号：US15531670

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Esder Kang ,  Joong Jin Han ,  Youngjea Kim ,  Yong Jin Jang ,  Yunah Yu

IPC: H01M8/1023 ,  H01M8/18 ,  C08F28/04 ,  C08G75/20 ,  H01M8/1032 ,  H01M8/1004 ,  H01M8/1027 ,  H01B1/12 ,  C08J5/22 ,  C08G61/02 ,  C08G61/12 ,  C08L65/00 ,  C08G81/00 ,  C08G75/02 ,  B01J39/19 ,  B01J47/12 ,  C08G65/40 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/1053 ,  H01M8/1018

Abstract: The present specification relates to a polymer with improved ion transport capability, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.

公开(公告)号：US10411283B2

公开(公告)日：2019-09-10

申请号：US15531584

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Youngjea Kim ,  Yong Jin Jang ,  Joong Jin Han ,  Esder Kang ,  Yunah Yu

IPC: H01B1/12 ,  H01M8/1032 ,  H01M8/1004 ,  H01M8/1027 ,  C08J5/22 ,  C08G61/02 ,  C08G61/12 ,  C08L65/00 ,  C08G81/00 ,  C08G75/02 ,  C08G75/20 ,  H01M8/1023 ,  H01M8/18 ,  B01J39/19 ,  B01J47/12 ,  C08G65/40 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/1053 ,  H01M8/1018

Abstract: The present specification relates to a polymer electrolyte membrane including two types of polymers.