公开(公告)号：US20180030173A1

公开(公告)日：2018-02-01

申请号：US15554935

申请日：2016-06-24

Applicant: LG Chem, Ltd.

Inventor： Suk Youn Kang ,  Hyo Jin Bae ,  Kyoung Hwan Oh ,  Woo Jin Cho ,  Jeong Heon Ahn ,  Sung Hyun Park

IPC: C08F136/06 ,  C08F8/42 ,  C08F8/32

Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a-M1-([Y-M2-(X2)n-1])m-a  [Formula 1] In Formula 1, a, m, n, M1, M2, X1, X2 and Y are the same as defined in the disclosure.

公开(公告)号：US11365269B2

公开(公告)日：2022-06-21

申请号：US16871768

申请日：2020-05-11

Applicant: LG Chem, Ltd.

Inventor： Suk Youn Kang ,  Hyo Jin Bae ,  Hee Jung Jeon ,  Jeong Heon Ahn ,  Heung Yeal Choi ,  Kyoung Hwan Oh ,  Woo Jin Cho

IPC: C08F36/04 ,  C08C19/22 ,  C07F7/10 ,  C08C19/25 ,  C08L15/00 ,  C08C19/44 ,  C08K3/06 ,  C08K5/09 ,  C08F4/54 ,  C08K5/47 ,  C08K5/31 ,  C08K3/04 ,  C08K3/22 ,  C08F136/06 ,  C08F2/06 ,  C08L91/00 ,  C08K5/3437 ,  C08F4/44 ,  C08F8/42 ,  C08K5/549 ,  C08F4/42 ,  C08F236/08 ,  C08L9/00 ,  C08K5/3412 ,  C08F236/06

Abstract: The present invention provides a modifier, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer, and more particularly, a modifier which includes a compound represented by Formula 1 and is capable of improving the mixing properties between a conjugated diene-based polymer and a filler, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer.

公开(公告)号：US10538607B2

公开(公告)日：2020-01-21

申请号：US15554935

申请日：2016-06-24

Applicant: LG Chem, Ltd.

Inventor： Suk Youn Kang ,  Hyo Jin Bae ,  Kyoung Hwan Oh ,  Woo Jin Cho ,  Jeong Heon Ahn ,  Sung Hyun Park

IPC: C08F136/06 ,  C08F8/32 ,  C08F8/42 ,  C08K5/57 ,  B60C1/00 ,  C08F4/08 ,  C08F4/54 ,  C08F4/609 ,  C08F36/04 ,  C08F136/04 ,  C08F210/12 ,  C08K5/00 ,  C08K5/544 ,  C08L9/00

Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a-M1-([Y-M2-(X2)n-1])m-a  [Formula 1] In Formula 1, a, m, n, M1, M2, X1, X2 and Y are the same as defined in the disclosure.

公开(公告)号：US20170275401A1

公开(公告)日：2017-09-28

申请号：US15503900

申请日：2015-11-18

Applicant: LG Chem, Ltd.

Inventor： Kyoung Hwan Oh ,  Won Hee Kim ,  Hyo Jin Bae ,  Jeong Heon Ahn ,  Woo Jin Cho ,  Suk Youn Kang

IPC: C08F36/06 ,  C08F4/54 ,  C07F5/06 ,  C08K5/09

CPC classification number: C08F36/06 ,  B60C1/00 ,  C07F5/068 ,  C08F2/06 ,  C08F2/38 ,  C08F4/06 ,  C08F4/545 ,  C08F4/619 ,  C08F4/622 ,  C08F36/04 ,  C08F136/06 ,  C08K3/04 ,  C08K5/09 ,  C08L9/00 ,  Y02T10/862

Abstract: The present invention provides 1,4-cis polybutadiene having high linearity with an −S/R value of 1 or greater at 100° C., and accordingly, is capable of reducing resistance properties, particularly rolling resistance, and greatly enhancing fuel efficiency properties when used in a rubber composition.

公开(公告)号：US20250169361A1

公开(公告)日：2025-05-22

申请号：US18730488

申请日：2023-06-20

Applicant: LG CHEM, LTD.

Inventor： Seonwoo Kim ,  Jae Seung Ha ,  Sujeong Geum ,  Woo Jin Cho ,  Yongbum Cha ,  Sunghyun Hwang ,  Woochul Lee

IPC: H10K85/60 ,  C07D405/10 ,  C07D407/10 ,  C07D409/10 ,  H10K50/12

Abstract: A compound of Chemical Formula 1: where at least one of R1 to R3 is -L-Ar1, at least one of the remaining R1 to R3, which are not -L-Ar1, is a substituted or unsubstituted heteroaryl group, and the other and R11 are each independently hydrogen, deuterium, or a substituted or unsubstituted aryl or heteroaryl group, L is a direct bond or a substituted or unsubstituted arylene or heteroarylene group, and Ar1 is Chemical Formula A: where any one of Y1, Y2 and Y7 to Y11 is a moiety bonded to L, and the other substituents are as defined in the specification; and an organic light emitting device including the same. When the compound of Chemical Formula 1 is included in an organic material layer of an organic light emitting device, the device exhibits lower driving voltage, and improved light efficiency and service life.

公开(公告)号：US20240349607A1

公开(公告)日：2024-10-17

申请号：US18752757

申请日：2024-06-24

Applicant: LG CHEM, LTD.

Inventor： Jae Seung HA ,  Sujeong Geum ,  Seonwoo Kim ,  Woochul Lee ,  Woo Jin Cho ,  Yongbum Cha

IPC: H10K85/60 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D405/04 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  H10K50/12

CPC classification number: H10K85/6574 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D405/04 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6576 ,  C09K2211/1018 ,  H10K50/12

Abstract: A compound of Chemical Formula 1:




wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **:




Ar1 is a substituted or unsubstituted aryl group, Chemical Formula 1 comprises at least one deuterium, and the other substituents are as defined in the specification; and an organic light-emitting device including the same. When a compound of Chemical Formula 1 is included in an organic light emitting device, the device exhibits lower driving voltage, improved light efficiency, and improved service life characteristics.

公开(公告)号：US20220246848A1

公开(公告)日：2022-08-04

申请号：US17629271

申请日：2021-01-11

Applicant: LG CHEM, LTD.

Inventor： Yongbum Cha ,  Woo Jin Cho ,  Sung Kil Hong ,  Jaegoo Lee

IPC: H01L51/00

Abstract: An organic light emitting device including a hole transport layer comprising a compound of Chemical Formula 1 and an electron blocking layer comprising a compound of Chemical Formula 2, and having improved driving voltage, efficiency, and lifespan.

公开(公告)号：US20200270378A1

公开(公告)日：2020-08-27

申请号：US16871768

申请日：2020-05-11

Applicant: LG Chem, Ltd.

Inventor： Suk Youn Kang ,  Hyo Jin Bae ,  Hee Jung Jeon ,  Jeong Heon Ahn ,  Heung Yeal Choi ,  Kyoung Hwan Oh ,  Woo Jin Cho

IPC: C08F36/04 ,  C08C19/22 ,  C07F7/10 ,  C08C19/25 ,  C08L15/00 ,  C08C19/44 ,  C08K3/06 ,  C08K5/09 ,  C08F4/44 ,  C08F8/42 ,  C08K5/549 ,  C08F4/42 ,  C08F236/08 ,  C08L9/00 ,  C08K5/3412

Abstract: The present invention provides a modifier, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer, and more particularly, a modifier which includes a compound represented by Formula 1 and is capable of improving the mixing properties between a conjugated diene-based polymer and a filler, a modified and conjugated diene-based polymer which is modified using the same, and a rubber composition including the modified and conjugated diene-based polymer.

公开(公告)号：US10604602B2

公开(公告)日：2020-03-31

申请号：US15684472

申请日：2017-08-23

Applicant: LG CHEM, LTD.

Inventor： Hyo Jin Bae ,  Kyoung Hwan Oh ,  Sae Young Yun ,  Jeong Heon Ahn ,  Woo Jin Cho

IPC: C08F136/06 ,  C07F5/00

Abstract: The present invention relates to a neodymium compound represented by Formula 1 and a catalyst for diene polymerization including the same.

公开(公告)号：US10253119B2

公开(公告)日：2019-04-09

申请号：US15503548

申请日：2015-11-18

Applicant: LG Chem, Ltd.

Inventor： Won Hee Kim ,  Hyo Jin Bae ,  Kyoung Hwan Oh ,  Woo Jin Cho ,  Jeong Heon Ahn

IPC: C08F136/06 ,  C08F4/54 ,  C08F2/38 ,  C08F36/06 ,  C08F2/06

Abstract: The present invention provides a method for preparing a conjugated diene-based polymer including preparing a mixture of a molecular weight modifier and a conjugated diene-based monomer; and polymerization reacting the mixture using a catalyst composition including a lanthanide rare earth element-containing compound, modified methylaluminoxane, a halogen compound and an aliphatic hydrocarbon-based solvent, and therefore, capable of preparing a conjugated diene-based polymer having a high cis-1,4-bond content ratio, high linearity and narrow molecular weight distribution.