公开(公告)号：EP3778546A1

公开(公告)日：2021-02-17

申请号：EP20800538.9

申请日：2020-02-13

申请人： LG Chem, Ltd.

发明人： LIM, Won Taeck ,  KIM, Ji Eun ,  CHOI, Wonmun ,  KIM, Yongjin

IPC分类号： C07C67/08 ,  C07C69/54 ,  C07C67/58

摘要： The invention relates to a method for preparing a (meth)acrylic acid ester-based compound, and according to the preparation method, a (meth)acrylic acid ester-based compound can be prepared with high purity and high yield, by easily introducing an acrylic structure into alcohol using a diamine-based compound and acid anhydride.

公开(公告)号：EP3315519B1

公开(公告)日：2019-11-27

申请号：EP16814757.7

申请日：2016-06-24

申请人： LG Chem, Ltd.

发明人： KANG, Suk Youn ,  BAE, Hyo Jin ,  PARK, Sung Ho ,  AHN, Jeong Heon ,  KIM, Ji Eun ,  OH, Kyoung Hwan

IPC分类号： C08F4/54 ,  C08F4/609 ,  C08F36/04 ,  C08F136/04 ,  C08F210/12 ,  C08L9/00 ,  B60C1/00

公开(公告)号：EP3409717A1

公开(公告)日：2018-12-05

申请号：EP17867204.4

申请日：2017-11-01

申请人： LG Chem, Ltd.

发明人： KIM, Ji Eun ,  JOE, Dae June ,  KIM, Cheol Jae ,  CHOI, Won Mun

IPC分类号： C08K5/544 ,  C08K5/17 ,  C08F36/04 ,  C08F8/30 ,  C08F4/54 ,  C07F7/10 ,  C07C219/06

CPC分类号： C07F7/10 ,  C08C19/22 ,  C08C19/25 ,  C08F136/06 ,  C08K5/17 ,  C08K5/544 ,  C08L15/00 ,  C08F4/545 ,  C08L91/00 ,  C08K3/04 ,  C08K3/22 ,  C08K5/09 ,  C08K5/3437

摘要： The present invention relates to a modifier represented by Formula 1, a method of preparing the same, a modified conjugated diene-based polymer having a high modification ratio which includes a modifier-derived functional group, and a method of preparing the polymer.

公开(公告)号：EP3214212B1

公开(公告)日：2020-01-29

申请号：EP15855217.4

申请日：2015-10-28

申请人： LG Chem, Ltd.

发明人： YOON, Ki Yong ,  LEE, YoungHo ,  KIM, Ji Eun ,  CHOE, Yongjin

IPC分类号： D01F9/133 ,  C01B32/162 ,  C01B32/164

公开(公告)号：EP3527533A1

公开(公告)日：2019-08-21

申请号：EP17861066.3

申请日：2017-08-11

申请人： LG Chem, Ltd.

发明人： OH, Eugene ,  KIM, Juhan ,  KIM, Ji Eun ,  LEE, Won Jae

IPC分类号： C01B32/16

摘要： The present invention relates to a method for preparing a carbon nanotube fiber assembly, and the manufacturing efficiency of a carbon nanotube fiber comprising single-wall carbon nanotubes can be improved by controlling the molar ratio of a carbon source and of a reducing gas in a carrier gas.

公开(公告)号：EP3514110A1

公开(公告)日：2019-07-24

申请号：EP18820843.3

申请日：2018-01-25

申请人： LG Chem, Ltd.

发明人： OH, Eugene ,  KIM, Juhan ,  KIM, Ji Eun ,  LEE, Jaehong ,  LEE, Won Jae

IPC分类号： C01B32/168

摘要： The present invention relates to a method for enhancing tensile strength of a carbon nanotube (CNT) fiber aggregate, comprising dispersing a CNT fiber aggregate with chlorosulfonic acid (CSA), followed by thermal treatment, wherein a particular magnitude of tension is applied upon the thermal treatment, whereby the CNT fiber aggregate is increased in alignment level and tensile strength.

公开(公告)号：EP3480345A2

公开(公告)日：2019-05-08

申请号：EP17890807.5

申请日：2017-11-22

申请人： LG Chem, Ltd.

发明人： KIM, Juhan ,  OH, Eugene ,  KIM, Ji Eun ,  LEE, Jaehong ,  LEE, Won Jae

IPC分类号： D01F9/12 ,  D01D5/00 ,  D01F1/10 ,  C01B32/158

摘要： The present invention relates to a method for controlling the strength of a carbon nanotube fiber aggregate, wherein the strength of the carbon nanotube fiber aggregate can be improved by controlling the molar ratio of the carbon source to reducing gas.

公开(公告)号：EP3315519A1

公开(公告)日：2018-05-02

申请号：EP16814757.7

申请日：2016-06-24

申请人： LG Chem, Ltd.

发明人： KANG, Suk Youn ,  BAE, Hyo Jin ,  PARK, Sung Ho ,  AHN, Jeong Heon ,  KIM, Ji Eun ,  OH, Kyoung Hwan

IPC分类号： C08F4/54 ,  C08F4/08 ,  C08F4/609 ,  C08F36/04 ,  C08F136/04 ,  C08F210/12 ,  C08L9/00 ,  B60C1/00

摘要： The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following chemical formula (1) as well as a rare earth metal compound, an alkylating agent and a halogen compound, showing excellent catalyst activity and polymerization reactivity, and having high linearity and excellent processability. Chemical formula (1): (X 1 ) a -N-(X 2 ) 3-a , wherein a, X 1 and X 2 are as defined in the description.

摘要翻译： 本发明提供一种用于制备共轭二烯聚合物的催化剂组合物和由其制备的共轭二烯聚合物，所述共轭二烯聚合物包含下列化学式（1）中的官能团试剂以及稀土金属化合物， 烷基化剂和卤素化合物，显示出优异的催化剂活性和聚合反应性，并具有高线性和优异的可加工性。 化学式（1）：（X1）a-N-（X2）3-a，其中a，X1和X2如说明书中所定义。

公开(公告)号：EP3533910A1

公开(公告)日：2019-09-04

申请号：EP17865887.8

申请日：2017-10-27

申请人： LG Chem, Ltd. ,  Postech Academy-Industry Foundation

发明人： OH, Eugene ,  KIM, Juhan ,  KIM, Ji Eun ,  LEE, Won Jae ,  CHO, Hyunjung ,  LEE, Kun-Hong

IPC分类号： D01F9/12 ,  D06M10/02 ,  D01D1/06 ,  D02G3/44

摘要： The present invention relates to a method for producing a carbon nanotube fiber aggregate and provides a carbon nanotube fiber aggregate having an improved level of alignment through ultrasonic wave application and low speed recovery.

公开(公告)号：EP3527555A1

公开(公告)日：2019-08-21

申请号：EP18861528.0

申请日：2018-09-05

申请人： LG Chem, Ltd.

发明人： CHOI, Seung Ho ,  KIM, Ji Eun ,  CHOI, Won Mun ,  JOE, Dae June

IPC分类号： C07D207/267 ,  C08K5/3415 ,  C08F36/04 ,  C08F8/30

摘要： The present invention relates to a compound represented by Formula 1, a method for preparing the same, and a modified conjugated diene-based polymer having a high modification ratio and including a functional group derived from the compound.