公开(公告)号：US09776958B2

公开(公告)日：2017-10-03

申请号：US15314005

申请日：2015-06-18

Applicant: LG CHEM, LTD.

Inventor： Hyungsam Choi ,  Joong Jin Han ,  Chong Kyu Shin ,  Youngjea Kim ,  Esder Kang

IPC: C07C309/00 ,  C07C323/19

CPC classification number: C07C323/19 ,  C07C309/06 ,  C07C309/09 ,  C07F1/02 ,  C07F1/04

Abstract: The present application relates to a sulfonate-based compound and a method for preparing the same.

公开(公告)号：US11274183B2

公开(公告)日：2022-03-15

申请号：US16491132

申请日：2018-09-14

Applicant: LG CHEM, LTD.

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

IPC: C08G75/0259 ,  C08G75/0281

Abstract: According to the present invention, an alkali metal salt such as NaCl which is a major by-product of polyarylene sulfide polymerization may be recycled in the dehydration reaction for the preparation of a sulfur source, thereby providing a method of preparing a polyarylene sulfide with a high yield in an economical manner.

公开(公告)号：US11192980B2

公开(公告)日：2021-12-07

申请号：US16616841

申请日：2018-11-23

Applicant: LG CHEM, LTD.

Inventor： Eunju Park ,  Hansol Kim ,  Joong Jin Han ,  Hyun Woog Ryu ,  Kwonsu Jung ,  Yong Jin Jang

IPC: C08G75/0259 ,  C08G75/0254 ,  C08G75/0281

Abstract: The present disclosure relates to a preparation method of a polyarylene sulfide, and this method may produce a polyarylene sulfide having properties equal to or higher than those of the conventional method at a high yield by adding an aliphatic amino acid hydrochloride in addition to existing materials for dehydration.

公开(公告)号：US20210221954A1

公开(公告)日：2021-07-22

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 ,  C08K5/098 ,  C08G75/0213

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：US20210039963A1

公开(公告)日：2021-02-11

申请号：US16967085

申请日：2019-11-15

Applicant: LG CHEM, LTD.

Inventor： Sanghwan Jo ,  Joong Jin Han ,  Hansol Kim

IPC: C02F1/04 ,  C08J11/02

Abstract: There is provided a method for efficiently recovering amide-based compounds such as N-methyl-2-pyrrolidone from a waste liquid containing amide-based compounds such as N-methyl-2-pyrrolidone generated, for example, in a production process of polyarylene sulfide.

公开(公告)号：US10727516B2

公开(公告)日：2020-07-28

申请号：US15519978

申请日：2015-12-02

Applicant: LG CHEM, LTD.

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

IPC: H01M8/1039 ,  H01M8/18 ,  H01M8/1025 ,  H01M8/1027 ,  C07C309/44 ,  H01M8/1032 ,  C07C317/14

Abstract: The present specification relates to a novel compound, 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：US20200014064A1

公开(公告)日：2020-01-09

申请号：US16067964

申请日：2017-10-30

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 ,  H01M10/0569 ,  C08G81/00

Abstract: The present invention provides a polymer electrolyte for a secondary battery having high ionic conductivity, and a lithium secondary battery including the same.

公开(公告)号：US10439245B2

公开(公告)日：2019-10-08

申请号：US15022120

申请日：2014-10-17

Applicant: LG Chem, Ltd.

Inventor： Hyungsam Choi ,  Joong Jin Han ,  Youngjea Kim ,  Esder Kang ,  Chong Kyu Shin ,  Tae Geun Noh ,  Sikwon Moon

IPC: H01M8/1051 ,  H01M8/1039 ,  H01M8/1069 ,  H01M8/18 ,  H01M8/20

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 sulfonate group-containing partially fluorine-based polymer, an electrolyte membrane including the same, and a method for manufacturing the same.

公开(公告)号：US09923225B2

公开(公告)日：2018-03-20

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: H01M8/1027 ,  H01M8/1051 ,  H01M8/102 ,  H01M8/18 ,  H01M8/20 ,  H01M8/1039 ,  H01M8/1081

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.

公开(公告)号：US20160276687A1

公开(公告)日：2016-09-22

申请号：US15022120

申请日：2014-10-17

Applicant: LG CHEM, LTD.

Inventor： Hyungsam Choi ,  Joong Jin Han ,  Youngjea Kim ,  Esder Kang ,  Chong Kyu Shin ,  Tae Geun Noh ,  Sikwon Moon

IPC: H01M8/1051 ,  H01M8/20 ,  H01M8/18 ,  H01M8/1039 ,  H01M8/1069

CPC classification number: H01M8/1051 ,  H01M8/1039 ,  H01M8/1069 ,  H01M8/188 ,  H01M8/20 ,  H01M2300/0082 ,  H01M2300/0091 ,  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 sulfonate group-containing partially fluorine-based polymer, an electrolyte membrane including the same, and a method for manufacturing the same.

Abstract translation: 本申请涉及离子迁移材料，包含该离子迁移材料的电解质膜及其制造方法，更具体地，提供了一种离子传输材料，其中无机颗粒分散在含磺酸基的部分氟基 聚合物，包含该聚合物的电解质膜及其制造方法。