公开(公告)号：US20210171715A1

公开(公告)日：2021-06-10

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: C08G75/0254

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：US20210115193A1

公开(公告)日：2021-04-22

申请号：US17047341

申请日：2019-07-03

Applicant: LG CHEM, LTD.

Inventor： Kwonsu JUNG ,  Joong Jin HAN ,  Eunju PARK ,  Hyun Woog RYU ,  Hansol KIM

IPC: C08G75/0259 ,  C08G75/0254 ,  C08G75/0281 ,  C08G75/0213

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 using a dihalogenated aromatic compound in a predetermined equivalent ratio with respect to a sulfur compound and performing both dehydration and polymerization under optimum conditions.

公开(公告)号：US20170338507A1

公开(公告)日：2017-11-23

申请号：US15531667

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Yong Jin JANG ,  Joong Jin HAN ,  Sehee JUNG ,  Youngjea KIM ,  Esder KANG ,  Hyun Woog RYU

IPC: H01M8/18 ,  H01M8/1032 ,  C08G75/20 ,  H01M8/1039 ,  C08F28/04

CPC classification number: H01M8/188 ,  C07C323/66 ,  C08F28/04 ,  C08G61/02 ,  C08G75/20 ,  C08G81/00 ,  C08J5/2262 ,  C08J2371/10 ,  C08L63/00 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1053 ,  H01M2300/0082 ,  Y02E60/528

Abstract: The present specification relates to a halogenated compound, a polymer and a polymer electrolyte membrane including the same.

公开(公告)号：US20170317370A1

公开(公告)日：2017-11-02

申请号：US15531702

申请日：2015-12-04

Applicant: LG CHEM, LTD.

Inventor： Esder KANG ,  Joong Jin HAN ,  Youngjea KIM ,  Sehee JUNG ,  Hyun Woog RYU ,  Yong Jin JANG ,  Soyoung YU

IPC: H01M8/1053 ,  C08G65/40 ,  H01M8/18 ,  H01M8/1039 ,  C08J5/22 ,  B01J39/19 ,  B01J47/12 ,  H01M8/1025 ,  H01M8/1018

CPC classification number: H01M8/1032 ,  B01J39/19 ,  B01J47/12 ,  C08G61/02 ,  C08G61/12 ,  C08G65/4056 ,  C08G75/02 ,  C08G75/20 ,  C08G81/00 ,  C08G2650/40 ,  C08G2650/48 ,  C08G2650/64 ,  C08J5/22 ,  C08J5/2262 ,  C08J2371/10 ,  C08L65/00 ,  H01B1/128 ,  H01M8/1004 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1039 ,  H01M8/1053 ,  H01M8/188 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/528

Abstract: The present specification relates to a polymer with improved acid resistance, 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：US20170298179A1

公开(公告)日：2017-10-19

申请号：US15516756

申请日：2015-10-28

Applicant: LG CHEM, LTD.

Inventor： Sehee JUNG ,  Joong Jin HAN ,  Hyun Woog RYU ,  Yong Jin JANG ,  Youngjea KIM ,  Esder KANG

IPC: C08G65/40 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/18 ,  H01M8/103 ,  H01M8/1018

CPC classification number: C08G65/40 ,  C08G73/06 ,  C08J5/22 ,  C08L71/12 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/188 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/528

Abstract: The present specification relates to a polymerization composition, a polymer using the same, a polymer electrolyte membrane using the same, a fuel cell including the same, and a redox flow battery including the same.

公开(公告)号：US20190390016A1

公开(公告)日：2019-12-26

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：US20170362171A1

公开(公告)日：2017-12-21

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

CPC classification number: C07C311/48 ,  B01J39/19 ,  C08G65/4018 ,  C08G2650/38 ,  C08G2650/40 ,  C08G2650/50 ,  C08J5/2256 ,  C08J2371/10 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/18 ,  H01M8/188 ,  H01M2008/1095 ,  Y02E60/528

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：US20170346121A1

公开(公告)日：2017-11-30

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

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：US20170309940A1

公开(公告)日：2017-10-26

申请号：US15526166

申请日：2016-02-01

Applicant: LG CHEM, LTD.

Inventor： Yong Jin JANG ,  Joong Jin HAN ,  Youngjea KIM ,  Esder KANG ,  Sehee JUNG ,  Hyun Woog RYU

IPC: H01M8/1039 ,  C07C317/22 ,  C07C317/36 ,  C07C323/65 ,  C07C323/66 ,  C08J5/22 ,  H01M8/18 ,  H01M8/1032 ,  H01M8/04082 ,  B01J39/19 ,  C07C317/14 ,  C08G61/10 ,  H01M8/1018

CPC classification number: H01M8/1039 ,  B01J39/19 ,  C07C317/14 ,  C07C317/22 ,  C07C317/32 ,  C07C317/36 ,  C07C317/44 ,  C07C323/65 ,  C07C323/66 ,  C08G61/10 ,  C08G2261/1452 ,  C08G2261/146 ,  C08G2261/312 ,  C08G2261/516 ,  C08G2261/598 ,  C08G2261/614 ,  C08J5/2262 ,  C08J2365/02 ,  H01M8/04201 ,  H01M8/1032 ,  H01M8/188 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/528

Abstract: The present specification relates to a compound including an aromatic ring, 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：US20170226054A1

公开(公告)日：2017-08-10

申请号：US15515007

申请日：2015-10-28

Applicant: LG CHEM, LTD.

Inventor： Hyun Woog RYU ,  Sehee JUNG ,  Joong Jin HAN ,  Yong Jin JANG ,  Youngjea KIM ,  Esder KANG

IPC: C07C323/09 ,  H01M8/1039 ,  B01J39/19 ,  H01M8/18 ,  C08G75/12 ,  C08G75/0245

Abstract: The present specification relates to a fluorine-based compound for a brancher, a polymer using the same, a polymer electrolyte membrane using the same, a fuel cell using the same, and a redox flow battery including the same.