公开(公告)号：US10450390B2

公开(公告)日：2019-10-22

申请号：US15507968

申请日：2015-12-15

申请人： LG CHEM, LTD.

发明人： Sung Min Lee ,  Bog Ki Hong ,  Kyung Jin Cho ,  Se Young Kim ,  Chang Woan Han ,  Ki Soo Lee ,  Eun Kyoung Song

IPC分类号： C08F4/00 ,  C08F4/6592 ,  C08F4/652 ,  C08F10/00 ,  C07C13/465 ,  C07D221/18 ,  C08F12/00

摘要： Provided are a novel metallocene compound, a metallocene-supported catalyst, and a method of preparing a polyolefin using the same. The metallocene-supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.

公开(公告)号：US20190284317A1

公开(公告)日：2019-09-19

申请号：US16318259

申请日：2017-07-28

申请人： LG Chem, Ltd.

发明人： Oh Joo Kwon ,  Sol Cho ,  Seung Ki Park ,  Ki Soo Lee ,  Heon Yong Kwon ,  Dae Sik Hong ,  Sung Hyun Park ,  Sung Ho Park ,  Jin Young Lee

IPC分类号： C08F210/16 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/14

摘要： The present disclosure provides an olefin polymer having excellent film processability and physical properties, and a preparation method of the same.

公开(公告)号：US20190225721A1

公开(公告)日：2019-07-25

申请号：US16313640

申请日：2017-11-07

申请人： LG Chem, Ltd.

发明人： Sol Cho ,  Ki Soo Lee ,  Heon Yong Kwon ,  Sung Hyun Park ,  Myung Han Lee ,  Oh Joo Kwon ,  Seung Mi Lee ,  Eun Ji Shin ,  Hyun Jee Kwon ,  Sung Ho Park ,  Seul Ki Im ,  Jin Young Lee

IPC分类号： C08F210/16 ,  C08J5/18

摘要： The present invention provides an olefin polymer in which LCB (long chain branch) is introduced into mLLDPE (metallocene linear low-density polyethylene) to control the storage modulus, whereby the olefin polymer has excellent bubble stability and processing load characteristics and exhibits excellent processability during preparation of a film, and further has excellent mechanical properties and transparency.

公开(公告)号：US10344102B2

公开(公告)日：2019-07-09

申请号：US15504269

申请日：2015-09-04

申请人： LG CHEM, LTD.

发明人： Joong Soo Kim ,  Yu Taek Sung ,  Ki Soo Lee ,  Dae Sik Hong ,  Ki Heon Song ,  Eun Kyoung Song ,  Heon Yong Kwon ,  Yong Ho Lee ,  Dong Hoon Jeong ,  Soon Ho Sun ,  Sun Mi Kim

IPC分类号： C08F4/648 ,  C08L23/08 ,  C08F4/659 ,  C08F210/16 ,  B01J27/24 ,  C08F4/6592 ,  C08F10/02

摘要： Provided is an olefin-based polymer with excellent processability. The olefin-based polymer according to the present invention has a high molecular weight and a broad molecular weight distribution to show excellent processability and improved mechanical properties, thereby being usefully applied according to the intended use.

公开(公告)号：US10316116B2

公开(公告)日：2019-06-11

申请号：US15520359

申请日：2015-12-02

申请人： LG CHEM, LTD.

发明人： Dong Hoon Jeong ,  Heon Yong Kwon ,  Yu Taek Sung ,  Ki Soo Lee ,  Dae Sik Hong ,  Eun Young Shin ,  Soon Ho Sun

IPC分类号： C08F210/16 ,  C08J5/18 ,  B29D7/01 ,  C08F10/14 ,  C08F10/08 ,  C08F210/14 ,  C08F210/02 ,  C08F4/659

摘要： Provided are an olefin-based polymer having excellent melt strength and a film including the same. The olefin-based polymer according to the present invention may have excellent processability, haze and mechanical properties, and in particular, high melt strength, thereby being usefully applied to films, etc.

公开(公告)号：US20190119421A1

公开(公告)日：2019-04-25

申请号：US16094722

申请日：2017-11-02

申请人： LG Chem, Ltd.

发明人： Soon Ho Sun ,  Yi Young Choi ,  Ki Soo Lee ,  Bog Ki Hong ,  Sung Hyun Park ,  Myung Han Lee ,  Sung Min Lee ,  Sun Mi Kim ,  Jin Young Park

IPC分类号： C08F210/16

摘要： The present disclosure relates to an ethylene/alpha-olefin copolymer having excellent processibility. The ethylene/alpha-olefin copolymer according to the present disclosure is excellent in both mechanical properties and processibility.

公开(公告)号：US20180251580A1

公开(公告)日：2018-09-06

申请号：US15760073

申请日：2016-11-24

申请人： LG Chem, Ltd.

发明人： Heon Yong Kwon ,  Eun Young Shin ,  Hyun Jee Kwon ,  Ki Soo Lee ,  Dae Sik Hong ,  Se Young Kim ,  Sung Min Lee

IPC分类号： C08F10/02

摘要： The present disclosure provides a method for preparing a supported hybrid metallocene catalyst which can be used to prepare a polyolefin, a supported hybrid metallocene catalyst prepared by using the method, and a method for preparing a polyolefin using the supported hybrid metallocene catalyst.

公开(公告)号：US09988469B2

公开(公告)日：2018-06-05

申请号：US15303437

申请日：2015-06-03

申请人： LG CHEM, LTD.

发明人： Eun Kyoung Song ,  Heon Yong Kwon ,  Hyuck Ju Kwon ,  Yong Ho Lee ,  Yi Young Choi ,  Dae Sik Hong ,  Ki Soo Lee ,  Kyung Jin Cho

IPC分类号： C08F4/6592 ,  C08F210/16 ,  C08F10/02 ,  C08F110/02 ,  C08F4/659 ,  C08F4/64 ,  C08F10/00

CPC分类号： C08F110/02 ,  C08F4/64 ,  C08F4/65904 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F4/65925 ,  C08F4/65927 ,  C08F10/00 ,  C08F210/16 ,  C08F2420/06 ,  C08F2500/04 ,  C08F2500/03 ,  C08F2500/01

摘要： The present invention relates to a method for preparing polyolefin that can easily and effectively prepare polyolefin having high molecular weight and various molecular weight distributions, which was difficult to prepare using the existing metallocene catalyst, and polyolefin prepared thereby. The method for preparing polyolefin comprises the step of polymerizing olefin monomers, in the presence of a metallocene supported catalyst wherein a metallocene compound having a specific chemical structure is supported in a carrier, and hydrogen gas.

公开(公告)号：US20180016372A1

公开(公告)日：2018-01-18

申请号：US15546474

申请日：2016-12-23

申请人： LG Chem, Ltd.

发明人： Oh Joo Kwon ,  Sol Cho ,  Ki Soo Lee ,  Heon Yong Kwon ,  Dae Sik Hong ,  Sung Hyun Park ,  Myung Han Lee

IPC分类号： C08F210/16

摘要： The low density polyethylene copolymer according to the present invention is characterized in that as LCB (Long Chain Branch) is introduced into LLDPE, the melt strength is remarkably high even without blending with LDPE, and thus it can be advantageously applied to blown film processing and the like.

公开(公告)号：US09827561B2

公开(公告)日：2017-11-28

申请号：US15032008

申请日：2014-11-17

申请人： LG CHEM, LTD.

发明人： Seok Pil Sa ,  Yong Ho Lee ,  Ki Soo Lee ,  Eun Ji Shin

IPC分类号： B01J31/24 ,  C07F9/46 ,  C07F9/572 ,  C07F9/58 ,  C07F9/6506 ,  C07F9/6509 ,  C07F9/655 ,  C07F9/6553 ,  C08F4/42 ,  B01J31/14 ,  C07C2/32 ,  C07F9/28 ,  C08F110/02

CPC分类号： B01J31/2409 ,  B01J31/143 ,  B01J2231/20 ,  B01J2531/002 ,  B01J2531/62 ,  C07C2/32 ,  C07C2531/12 ,  C07C2531/14 ,  C07C2531/22 ,  C07C2531/24 ,  C07F9/28 ,  C07F9/46 ,  C07F9/572 ,  C07F9/58 ,  C07F9/6506 ,  C07F9/650952 ,  C07F9/65515 ,  C07F9/655345 ,  C08F4/42 ,  C08F110/02 ,  C07C11/107 ,  C07C11/02

摘要： The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The present ligand compound is a compound having a certain new structure and enables provision of a catalyst system for olefin oligomerization that can oligomerize ethylene with higher catalytic activity.