公开(公告)号：US20190106530A1

公开(公告)日：2019-04-11

申请号：US16087512

申请日：2017-03-21

Applicant: LG CHEM, LTD.

Inventor： Yong Jin JANG ,  Joong Jin HAN ,  Youngjea KIM ,  Esder KANG ,  Yunah YU ,  Eunju PARK ,  Yu Jin KIM

IPC: C08G61/02 ,  H01M8/1032 ,  C08G65/40 ,  C08G75/06 ,  C08G75/23 ,  H01M8/1039 ,  H01M8/18

Abstract: The present specification relates to a block polymer and 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：US20180244892A1

公开(公告)日：2018-08-30

申请号：US15968260

申请日：2018-05-01

Applicant: LG CHEM, LTD.

Inventor： Ro Mi LEE ,  Sang Mi LEE ,  Heung Yeal CHOI ,  Yu Jin KIM ,  Moon Seok CHUN

IPC: C08K3/36 ,  B60C1/00 ,  C08C19/25 ,  C08C19/44 ,  C08L15/00

CPC classification number: C08K3/36 ,  B60C1/00 ,  B60C1/0016 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F36/04 ,  C08F236/10 ,  C08L15/00 ,  C08F4/484

Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.

公开(公告)号：US20150376321A1

公开(公告)日：2015-12-31

申请号：US14394422

申请日：2014-03-27

Applicant: LG CHEM, LTD.

Inventor： Ro Mi LEE ,  Sang Mi LEE ,  Heung Yeal CHOI ,  Yu Jin KIM ,  Moon Seok CHUN

IPC: C08F236/10 ,  C08K3/36

CPC classification number: C08K3/36 ,  B60C1/00 ,  B60C1/0016 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F36/04 ,  C08F236/10 ,  C08L15/00 ,  C08F4/484

Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.

Abstract translation: 公开了一种制备共轭二烯聚合物的方法，包括合成具有含有胺的阴离子末端和含有碱金属的阳离子末端的引发剂，使用引发剂聚合芳族乙烯基单体的组合以合成具有改性末端的聚合物， 使聚合物与具有至少一个被烷氧基和氮原子取代的甲硅烷基的化合物偶联或反应，以制备具有一端含有胺的改性共轭二烯聚合物，另一端含有被一个或多个烷氧基取代的甲硅烷基， 氮原子和包含共轭二烯聚合物和二氧化硅作为增强剂的橡胶组合物，因此具有优异的发热性，拉伸强度，耐磨性和耐湿滑性。