公开(公告)号：EP3106473A4

公开(公告)日：2017-03-15

申请号：EP15860308

申请日：2015-11-18

申请人： LG CHEMICAL LTD

发明人： KIM WON HEE ,  BAE HYO JIN ,  AHN JEONG HEON ,  JEON HEE JUNG ,  OH KYOUNG HWAN ,  CHO WOO JIN ,  KANG SUK YOUN

IPC分类号： C08F136/06 ,  C08F4/54

CPC分类号： C08F4/545 ,  C07C69/757 ,  C07F5/068 ,  C08F136/06 ,  C08F212/34 ,  C08K5/02

摘要： The present invention provides a catalyst composition exhibiting, by including a lanthanide rare earth element-containing compound; modified methylaluminoxane; a halogen compound; and an aliphatic hydrocarbon-based solvent, excellent catalytic activity even with a small main catalyst amount, capable of preparing a conjugated diene-based polymer having excellent catalytic activity and thereby having high cis-1,4-bond content ratio, high linearity, and narrow molecular weight distribution, and capable of reducing polymerization reaction time, and a method for preparing the same.

公开(公告)号：EP3222640A4

公开(公告)日：2017-11-22

申请号：EP15861989

申请日：2015-11-18

申请人： LG CHEMICAL LTD

发明人： KIM WON HEE ,  BAE HYO JIN ,  OH KYOUNG HWAN ,  CHO WOO JIN ,  AHN JEONG HEON

IPC分类号： C08F36/06 ,  C08F2/06 ,  C08F2/38 ,  C08F4/06 ,  C08F4/619 ,  C08F4/622

CPC分类号： C08F136/06 ,  C08F36/06 ,  C08F4/545 ,  C08F2/38

摘要： The present invention provides a method for preparing a conjugated diene-based polymer, the method comprising the steps of: preparing a mixture of a molecular weight regulator and a conjugated diene-based monomer; and performing a polymerization reaction of the mixture using a catalyst composition containing a lanthanum-based rare earth element-containing compound modified methyl aluminoxane, a halogen compound, and an aliphatic hydrocarbon-based solvent, and thus the method an prepare a conjugated diene-based polymer, which has a high content of cis-1,4-bonds, high linearity, and a narrow molecular weight distribution.

公开(公告)号：EP3225635A4

公开(公告)日：2017-12-06

申请号：EP15863701

申请日：2015-11-27

申请人： LG CHEMICAL LTD

发明人： BAE HYO JIN ,  KIM WON HEE ,  JEON HEE JUNG ,  CHOI SEUNG HO ,  OH KYOUNG HWAN ,  KIM DONG HUI ,  PARK HYUN WOONG ,  CHOI WON MUN ,  AHN JEONG HEON ,  KANG SUK YOUN

IPC分类号： C08C19/25 ,  B60C1/00 ,  C08C19/22 ,  C08C19/26 ,  C08F36/04 ,  C08K3/04 ,  C08K3/36 ,  C08L9/00 ,  C08L15/00

CPC分类号： C08C19/25 ,  B60C1/00 ,  C07F7/1836 ,  C07F7/184 ,  C08C19/22 ,  C08C19/26 ,  C08F4/46 ,  C08F4/48 ,  C08F36/04 ,  C08F212/08 ,  C08F236/06 ,  C08F236/10 ,  C08K3/04 ,  C08K3/36 ,  C08L9/00 ,  C08L9/06 ,  C08L15/00 ,  C08F4/545

摘要： The present invention relates to a modified styrene-butadiene copolymer with a high modification ratio, including a functional group derived from a modifier represented by Formula 1, a preparation method thereof, a rubber composition including the same, and a tire manufactured from the rubber composition.

公开(公告)号：EP3222639A4

公开(公告)日：2017-11-22

申请号：EP15860487

申请日：2015-11-18

申请人： LG CHEMICAL LTD

发明人： OH KYOUNG HWAN ,  KIM WON HEE ,  BAE HYO JIN ,  AHN JEONG HEON ,  CHO WOO JIN ,  KANG SUK YOUN

IPC分类号： C08F36/04 ,  B60C1/00 ,  C08F2/06 ,  C08F2/38 ,  C08F4/06 ,  C08F4/619 ,  C08F4/622 ,  C08F136/06 ,  C08K3/04 ,  C08L9/00

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

摘要： The present invention provides a 1,4-cis-polybutadiene which has a high linearity with a stress/relaxation (S/R) value of greater than 1 at 100°C, thereby being capable, when applied to a rubber composition, of reducing resistance characteristics, in particular rolling resistance or rotation resistance, and significantly improving fuel efficiency characteristics, and a rubber composition comprising the same.

公开(公告)号：EP3034523A4

公开(公告)日：2017-05-03

申请号：EP14849045

申请日：2014-09-30

申请人： LG CHEMICAL LTD

发明人： NOH KYUNG SEOP ,  PARK CHURL YOUNG ,  KIM WON HEE ,  JEON SANG JIN ,  CHOI RA YUN ,  KIM BYUNG SEOK ,  CHOI JI HO

IPC分类号： C08F210/04 ,  C08F4/6592 ,  C08F210/06 ,  C08F210/08

CPC分类号： C08F210/06 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F210/04 ,  C08F210/08 ,  C08F4/65927 ,  C08F2500/12 ,  C08F2500/15