公开(公告)号：US20160304637A1

公开(公告)日：2016-10-20

申请号：US15033866

申请日：2014-11-28

Applicant: LG CHEM, LTD.

Inventor： Seung Mi LEE ,  Yi Young CHOI ,  Ki Soo LEE ,  Eun Kyoung SONG ,  Heon Yong KWON ,  Min Seok CHO ,  Dae Sik HONG ,  Hyun Jee KWON ,  Yu Taek SUNG ,  Dong Hoon JEONG

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F10/00 ,  C08F2420/05 ,  C08F2500/18 ,  C08F4/6592

Abstract: The present invention relates to a preparation method of a highly active supported metallocene catalyst which can prepare a polyolefin of high bulk density. More specifically, the present invention provides a method of preparing the supported metallocene catalyst in which one or more metallocene catalysts are loaded on the silica carrier of which the inside is penetrated by more cocatalyst than the prior art and the outside is attached with a substantial amount of the cocatalyst. The catalyst according to the present invention can prepare a polyolefin polymer with improved bulk density and efficiency while maintaining its highly active catalytic characteristic.

Abstract translation: 本发明涉及一种能够制备高堆积密度的聚烯烃的高活性负载金属茂催化剂的制备方法。 更具体地说，本发明提供一种制备负载型茂金属催化剂的方法，其中一种或多种茂金属催化剂装载在二氧化硅载体上，其内部被比现有技术更多的助催化剂渗透，外部附着有大量的 的助催化剂。 根据本发明的催化剂可以制备具有改进堆积密度和效率的聚烯烃聚合物，同时保持其高活性催化特性。

公开(公告)号：US20160159828A1

公开(公告)日：2016-06-09

申请号：US14908819

申请日：2013-10-14

Applicant: LG CHEM, LTD.

Inventor： Yong Ho LEE ,  Eun Kyoung SONG ,  Kyung Jin CHO ,  Ki Soo LEE ,  Se Young KIM ,  Sung Min LEE ,  Hyuck Ju KWON ,  Yi Young CHOI ,  Heon Yong KWON ,  Min Seok CHO ,  Dae Sik HONG

IPC: C07F7/08 ,  C08F210/16 ,  C08F110/02 ,  C07F7/10 ,  C08F4/6592

CPC classification number: C07F7/0803 ,  B01J31/12 ,  B01J31/1608 ,  B01J31/2295 ,  B01J2531/48 ,  C07F7/10 ,  C07F17/00 ,  C08F4/65927 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2410/03 ,  C08F2420/06 ,  C08F210/14 ,  C08F2500/01

Abstract: The present invention relates to a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefinic polymer by using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used for producing olefinic polymers, have outstanding polymerizing ability, and can produce olefinic polymers of ultra high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefinic polymer of ultra high molecular weight can be obtained because it shows high polymerization activity even when it is supported on a carrier and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.

Abstract translation: 本发明涉及一种新的茂金属化合物，包含该金属茂化合物的催化剂组合物及其使用方法。 根据本发明的茂金属化合物及其含有的催化剂组合物可以用于制备烯烃聚合物，具有优异的聚合能力，并且可以制备超高分子量的烯烃聚合物。 特别是使用本发明的茂金属化合物时，即使在载体上负载时也能显示出高的聚合活性，即使在氢的存在下也能保持高的活性，因此可以得到超高分子量的烯属聚合物 因为其氢反应性低。

公开(公告)号：US20240101729A1

公开(公告)日：2024-03-28

申请号：US18273677

申请日：2022-02-18

Applicant: LG CHEM, LTD.

Inventor： Christine Jisoo SONG ,  Jiwon YOON ,  Yi Young CHOI

IPC: C08F10/02 ,  C08F4/659

CPC classification number: C08F10/02 ,  C08F4/65916 ,  C08F2420/01 ,  C08F2500/03 ,  C08F2500/07 ,  C08F2500/12

Abstract: The present disclosure relates to a polyethylene suitable for preparing fibers with enhanced yellow index and filterability in the spinning process by having improved aging lifetime of the polyethylene, and a preparation method of the same.

公开(公告)号：US20230272134A1

公开(公告)日：2023-08-31

申请号：US18019232

申请日：2021-10-21

Applicant: LG CHEM, LTD.

Inventor： Christine Jisoo SONG ,  Jiwon YOON ,  Yi Young CHOI ,  Sunghyun PARK

IPC: C08F210/16 ,  C08F4/6592 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F4/65916 ,  C08F4/6592

Abstract: Provided is a polyethylene. More particularly, provided is a polyethylene which has excellent abrasion resistance and thus is suitable for fiber production.

公开(公告)号：US20170029538A1

公开(公告)日：2017-02-02

申请号：US15303437

申请日：2015-06-03

Applicant: LG CHEM, LTD.

Inventor： 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: C08F110/02

CPC classification number: 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

Abstract: 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.

Abstract translation: 本发明涉及一种制备聚烯烃的方法，其可以容易且有效地制备使用现有的茂金属催化剂难以制备的具有高分子量和各种分子量分布的聚烯烃，以及由此制备的聚烯烃。 制备聚烯烃的方法包括在其中具有特定化学结构的茂金属化合物负载在载体中的茂金属负载型催化剂和氢气的存在下使烯烃单体聚合的步骤。

公开(公告)号：US20190085100A1

公开(公告)日：2019-03-21

申请号：US15765690

申请日：2017-01-12

Applicant: LG CHEM, LTD.

Inventor： Eun Kyoung SONG ,  Hyuck Ju KWON ,  Yi Young CHOI ,  Bog Ki HONG ,  Kyung Jin CHO ,  Joong Soo KIM ,  Sun Mi KIM

IPC: C08F4/6592 ,  C08F4/642

Abstract: The present invention relates to a hybrid supported metallocene catalyst and a polyolefin preparation method using the same. Using the hybrid supported metallocene catalyst can not only significantly reduce the amount of wax produced when polymerizing olefin monomers, but can also enhance the stress cracking resistance of the polyolefin that is prepared.

公开(公告)号：US20180094084A1

公开(公告)日：2018-04-05

申请号：US15566098

申请日：2016-06-13

Applicant: LG CHEM, LTD.

Inventor： Young Suk YOU ,  Kyung Jin CHO ,  Hyuck Ju KWON ,  Yi Young CHOI ,  Ki Soo LEE ,  Eun Kyoung SONG ,  Woo Ri KIM

IPC: C08F4/6592 ,  C08F4/02 ,  C08F10/02 ,  C08F10/14 ,  C08F10/06

Abstract: A method of preparing a supported metallocene catalyst capable of more effectively preparing a polyolefin which may be preferably used for blow molding, etc., because its molecular weight distribution is such that polymer elasticity is increased to improve swell, is provided.

公开(公告)号：US20180016370A1

公开(公告)日：2018-01-18

申请号：US15548736

申请日：2016-03-28

Applicant: LG CHEM LTD

Inventor： Young Suk YOU ,  Se Young KIM ,  Soon Ho SUN ,  Eun Kyoung SONG ,  Seung Mi LEE ,  Yi Young CHOI ,  Ki Soo LEE ,  Sun Mi KIM

IPC: C08F110/02 ,  D01F6/04

Abstract: The present invention relates to polyolefin powder for preparing fiber, and fiber comprising the same. According to the present invention, provided is polyolefin, which exhibits a high molecular weight range and narrow molecular weight distribution and in which the formation of a gel deteriorating the quality of fiber is reduced. Therefore, by using the polyolefin, the present invention exhibits molecular weight, density and narrow molecular weight distribution, which are equivalent to those of conventional polyolefin, but the number of gels having a large particle diameter is remarkably reduced, and therefore, the present invention can provide fiber having excellent tenacity and tensile strength half-life.

公开(公告)号：US20170044278A1

公开(公告)日：2017-02-16

申请号：US15304459

申请日：2015-06-15

Applicant: LG CHEM, LTD

Inventor： Ye Jin LEE ,  Yi Young CHOI ,  Ki Soo LEE ,  Ki Heon SONG ,  Se Young KIM ,  Soon Ho SUN ,  Sun MI KIM ,  Young YOU

IPC: C08F10/14

Abstract: The present invention relates to polyolefin that has high molecular weight, wide molecular weight distribution and high long chain branch content, and thus, has excellent environmental crack resistance and processibility. The polyolefin of the present invention has excellent processibility and stability, and thus, may be preferably used as a food container, a bottle cap, and the like.

Abstract translation: 本发明涉及具有高分子量，宽分子量分布和高长支链含量的聚烯烃，因此具有优异的耐环境开裂性和加工性。 本发明的聚烯烃具有优异的加工性和稳定性，因此可优选用作食品容器，瓶盖等。

公开(公告)号：US20160237188A1

公开(公告)日：2016-08-18

申请号：US15029196

申请日：2014-10-15

Applicant: LG CHEM, LTD.

Inventor： Dae Sik HONG ,  Heon Yong KWON ,  Eun Kyoung SONG ,  Yong Ho LEE ,  Kyung Jin CHO ,  Ki Soo LEE ,  Yi Young CHOI

IPC: C08F210/16

CPC classification number: C08F210/16 ,  B01J31/2295 ,  B01J37/02 ,  C07F17/00 ,  C08F4/6592 ,  C08F4/65925 ,  C08F2420/02 ,  C08F4/65927 ,  C08F2500/01

Abstract: The present invention relates to a method for preparing a hybrid supported metallocene catalyst. More specifically, the present invention relates to a method for preparing a hybrid supported metallocene catalyst by using two or more different types of metallocene compounds. One type of the metallocene compounds shows a high polymerization activity even when it is supported, and thus the catalyst has an excellent activity and can be utilized in the polymerization of olefinic polymers having ultra-high molecular weight. Based on the hybrid supported metallocene catalyst obtained according to the preparation method of the present invention, an olefinic polymer having high molecular weight and the desired physical property can be prepared.

Abstract translation: 本发明涉及一种制备杂化负载金属茂催化剂的方法。 更具体地说，本发明涉及通过使用两种以上不同种类的茂金属化合物来制备杂化负载金属茂催化剂的方法。 一种类型的茂金属化合物即使负载也显示出高的聚合活性，因此催化剂具有优异的活性，可用于聚合具有超高分子量的烯烃聚合物。 基于根据本发明的制备方法获得的杂化负载金属茂催化剂，可以制备具有高分子量和所需物理性质的烯烃聚合物。