-
公开(公告)号：US12098158B2
公开(公告)日：2024-09-24
申请号：US17422998
申请日：2020-03-04
申请人： LG Chem, Ltd.
发明人： Insun Lee , Seok Hwan Kim , Byung Seok Kim , Donghyeon Gwon , Sangjin Jeon , Seyoung Kim
IPC分类号： C07F17/00 , C08F4/6592 , C08F4/76 , C08F210/06
CPC分类号： C07F17/00 , C08F4/65927 , C08F4/76 , C08F210/06
摘要： The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same,
wherein M, X1, X2, R1 to R9 are described herein.-
公开(公告)号：US12065560B2
公开(公告)日：2024-08-20
申请号：US17602495
申请日：2020-06-11
申请人： LG Chem, Ltd.
发明人： Byung Seok Kim , Insun Lee , Seok Hwan Kim , Jung Won Lee , Donghyeon Gwon , Seyoung Kim , Heekwang Park , Jihwa Ye
IPC分类号： C08F210/16 , C08F4/6592 , C08F210/06 , C08L23/16 , C08F210/02
CPC分类号： C08L23/16 , C08F4/65927 , C08F210/06 , C08F210/16 , C08F210/02 , C08F2500/12 , C08F2500/27 , C08F2500/33 , C08F2500/34 , C08F2800/20 , C08L2201/10 , C08L2203/30
摘要： The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.
-
公开(公告)号：US20220098225A1
公开(公告)日：2022-03-31
申请号：US17422998
申请日：2020-03-04
申请人： LG Chem, Ltd.
发明人： Insun Lee , Seok Hwan Kim , Byung Seok Kim , Donghyeon Gwon , Sangjin Jeon , Seyoung Kim
摘要： The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, R1 to R9 are described herein.
-
公开(公告)号：US11913923B2
公开(公告)日：2024-02-27
申请号：US18127457
申请日：2023-03-28
申请人： LG Chem, Ltd.
发明人： Hyunsup Lee , Seok Hwan Kim , Heekwang Park , Ki Soo Lee , Sangjin Jeon , Myunghan Lee
CPC分类号： G01N30/88 , G01N33/442 , G01N2030/027
摘要： A method for evaluating physical properties of a melt-blown plastic resin, and, more specifically, to a novel method for evaluating physical properties are provided. When a particular plastic resin is processed by a melt-blown process, a stretching diameter value after the process of the plastic resin can be accurately derived from a physical property value measured using a specimen of the resin.
-
5.发明申请公开(公告)号：US20220056163A1
公开(公告)日：2022-02-24
申请号：US17438185
申请日：2020-08-14
申请人： LG Chem, Ltd.
发明人： Sanghoon Lee , Sangeun An , Seok Hwan Kim , Daesik Hong , Donghyeon Gwon
IPC分类号： C08F4/6592 , C08F2/38 , C08F110/06 , C08F4/646
摘要： The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.
-
公开(公告)号：US20210080437A1
公开(公告)日：2021-03-18
申请号：US16645298
申请日：2018-09-11
申请人： LG Chem, Ltd.
发明人： Hyunsup Lee , Seok Hwan Kim , Heekwang Park , Ki Soo Lee , SangJin Jeon , Myunghan Lee
摘要： A method for evaluating physical properties of a melt-blown plastic resin, and, more specifically, a novel method for evaluating physical properties are provided. When a particular plastic resin is processed by a melt-blown process, a stretching diameter value after the process of the plastic resin can be accurately derived from a physical property value measured using a specimen of the resin.
-
公开(公告)号：US20200223962A1
公开(公告)日：2020-07-16
申请号：US16635730
申请日：2018-11-01
申请人： LG Chem, Ltd.
发明人： Seok Hwan Kim , Hyunsup Lee , Seong Min Chae , Taejin Kim , Dae Sik Hong , Sang Jin Jeon , Hee Kwang Park
IPC分类号： C08F110/06 , C07F17/00
摘要： The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
-
公开(公告)号：US11759977B2
公开(公告)日：2023-09-19
申请号：US16963695
申请日：2019-11-04
申请人： LG Chem, Ltd.
发明人： Heekwang Park , Hye Kyung Lee , Ha Na Park , Kyung Seop Noh , Hyunsup Lee , Seong Min Chae , Heon Yong Kwon , Sangjin Jeon , Seok Hwan Kim
IPC分类号： C08F110/06 , C08F4/6592 , B29B9/12 , B29K23/00 , C08K5/098 , C08K5/12
CPC分类号： B29B9/12 , C08F4/6592 , C08F110/06 , B29K2023/12 , C08F4/65927 , C08K5/098 , C08K5/12
摘要： The present invention provides a polypropylene resin pellet that is environment friendly, has excellent workability, and enables preparation of fine denier fiber, and a method for preparing the same.
-
公开(公告)号：US20230023983A1
公开(公告)日：2023-01-26
申请号：US17942559
申请日：2022-09-12
申请人： LG Chem, Ltd.
发明人： Byung Seok Kim , Insun Lee , Seok Hwan Kim , Hye Kyung Lee , Heekwang Park , Daesik Hong , Sangjin Jeon
IPC分类号： B01J37/04 , C08F4/6592 , C08F10/06
摘要： Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.
-
公开(公告)号：US11504706B2
公开(公告)日：2022-11-22
申请号：US16957270
申请日：2018-12-14
申请人： LG Chem, Ltd.
发明人： Byung Seok Kim , Insun Lee , Seok Hwan Kim , Hye Kyung Lee , Heekwang Park , Daesik Hong , Sangjin Jeon
IPC分类号： B01J37/04 , C08F4/6592 , C08F10/06
摘要： Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.015 秒)
