公开(公告)号：US20220325018A1

公开(公告)日：2022-10-13

申请号：US17608564

申请日：2020-09-28

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  Eun Jung Lee ,  In Sung Park ,  Tae Su Kim ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08F210/08

Abstract: The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)−T(50)≤50 and T(95)−T(90)≥10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.

公开(公告)号：US20210009793A1

公开(公告)日：2021-01-14

申请号：US16770266

申请日：2018-12-24

Applicant: LG Chem, Ltd.

Inventor： Eun Jung Lee ,  Hyun Jin Ju ,  In Sung Park ,  Sang Eun Park ,  Kyung Bok Bae ,  Choong Hoon Lee

IPC: C08L23/08 ,  C08F210/18 ,  C08F4/6592

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.850 to 0.865 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 3.0 g/10 min, and (3) a soluble fraction (SF) of 10 wt % or more at −20° C. in cross-fractionation chromatography (CFC), in which a weight average molecular weight (Mw) of the soluble fraction is in a range of 50,000 g/mol to 500,000 g/mol. The olefin-based polymer according to the present invention exhibits improved anti-blocking properties as a low-density olefin-based polymer.

公开(公告)号：US10023669B2

公开(公告)日：2018-07-17

申请号：US15500859

申请日：2016-03-23

Applicant: LG CHEM, LTD.

Inventor： Hyo Ju Kim ,  Ji Yoon Woo ,  Sang Eun Park ,  Young Woo Lee ,  Choong Hoon Lee ,  Hae Woong Park ,  Ik Je Choe

IPC: C08F110/00 ,  C08F210/16 ,  C08F4/76

Abstract: The present invention relates to an olefin-based polymer exhibiting a single peak when analyzed by gel permeation chromatography (GPC), and having three elution temperatures Te1, Te2 and Te3 when measuring temperature rising elution fractionation (TREF) at a temperature ranging from −20° C. to 120° C. Accordingly, the olefin-based polymer having excellent mechanical strength, and in particular, significantly improved impact strength is provided.

公开(公告)号：US09434752B2

公开(公告)日：2016-09-06

申请号：US14895875

申请日：2013-12-27

Applicant: LG CHEM, LTD.

Inventor： Young Shil Do ,  Choong Hoon Lee ,  Seung Hwan Jung ,  Ji Joong Moon ,  Yoon Hee Cho ,  Sang Eun Park

IPC: C07F7/28 ,  C07F7/00 ,  C07F17/00 ,  C08F4/76

CPC classification number: C07F7/28 ,  C07F17/00 ,  C08F4/76

Abstract: The present invention relates to a dinuclear metallocene compound with a new structure which can manufacture polyolefin having high molecular weight and to a method for preparing the same. The dinuclear metallocene compound according to the present invention is a dinuclear metallocene compound with a new structure, and, unlike a single-site catalyst, has high accessibility to a substrate, and thus, can provide a multi-site catalyst with high activity.

Abstract translation: 本发明涉及具有可制造高分子量聚烯烃的新结构的双核金属茂化合物及其制备方法。 根据本发明的双核茂金属化合物是具有新结构的双核金属茂化合物，并且与单中心催化剂不同，对基材的可及性高，因此可提供高活性的多位点催化剂。

公开(公告)号：US12134668B2

公开(公告)日：2024-11-05

申请号：US17608564

申请日：2020-09-28

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  Eun Jung Lee ,  In Sung Park ,  Tae Su Kim ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08F210/08 ,  C08F2/04 ,  C08F4/6592 ,  C08F210/02 ,  C08F210/16 ,  C08L23/14

Abstract: The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)−T(50)≤50 and T(95)−T(90)≥10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.

公开(公告)号：US12065515B2

公开(公告)日：2024-08-20

申请号：US17603210

申请日：2020-08-27

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  In Sung Park ,  Eun Jung Lee ,  Hyun Jin Ju ,  Tae Su Kim ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08F110/06 ,  C08F4/6592 ,  C08L23/08

CPC classification number: C08F110/06 ,  C08F4/6592 ,  C08L23/0815 ,  C08L2203/30 ,  C08L2205/02 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/03 ,  C08F2500/34 ,  C08F2500/35 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/03 ,  C08F2500/34 ,  C08F2500/35 ,  C08F210/16 ,  C08F4/6592 ,  C08F210/16 ,  C08F2/06 ,  C08L23/142 ,  C08L23/0815

Abstract: The present invention relates to a polypropylene-based composite material having improved physical properties including impact strength at low temperature and at room temperature, flexural strength, flexural modulus, etc., and a method for preparing the same.

公开(公告)号：US11732071B2

公开(公告)日：2023-08-22

申请号：US17050089

申请日：2019-05-03

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  Eun Jung Lee ,  Hyun Jin Ju ,  In Sung Park ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F2420/02 ,  C08F2420/06 ,  C08F2500/12 ,  C08F2500/18

Abstract: An olefin-based copolymer and method of making the same are disclosed herein. In some embodiments, the olefin-based copolymer includes a repeating unit derived from an alpha-olefin, wherein the alphas-olefin is present in the copolymer at 15 wt % to 45 wt %, wherein the copolymer has a density (d) of 0.85 to 0.89 g/cc, a melt index (MI), measured at 190° C. and 2.16 kg load, of 15 g/10 min to 100 g/10 min, and a hardness defined by Equation 1. The olefin-based copolymer has improved hardness and is highly flowable, and may show improved physical properties of tensile strength, elongation rate and flexural modulus.

公开(公告)号：US20220227981A1

公开(公告)日：2022-07-21

申请号：US17612002

申请日：2020-09-28

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  Eun Jung Lee ,  In Sung Park ,  Tae Su Kim ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08L23/12

Abstract: The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)-T(50)≤50 and T(95)-T(90)≥10 are satisfied, wherein T(50), T(90) and T(95) are temperatures at which 50%, 90%, and 95% are melted, respectively, when fractionating a temperature-heat capacity curve from measurement results by the differential scanning calorimetry precise measurement method (SSA). The polypropylene-based composite of the present invention may show excellent impact strength.

公开(公告)号：US20210095062A1

公开(公告)日：2021-04-01

申请号：US17050198

申请日：2019-05-03

Applicant: LG Chem, Ltd.

Inventor： In Sung Park ,  Eun Jung Lee ,  Hyun Jin Ju ,  Sang Eun Park ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC: C08F210/02 ,  C08F210/04 ,  C08F210/14 ,  C08F210/18 ,  C08F4/646 ,  C08F4/649 ,  C08F4/6592

Abstract: An olefin-based copolymer and a method of making the same are disclosed herein. In some embodiments, an olefin-based copolymer has a density (d) of 0.85 to 0.89 g/cc, a melt index (MI), measured at 190° C. and 2.16 kg load, of 15 g/10 min to 100 g/10 min, a number of unsaturated functional groups (total V) per 1,000 carbon atoms of 0.8 or less, a vinylene content, and a vinyl content, wherein the vinylene content, the vinyl content and the total V satisfy (a) vinylene content/total V=0.1 to 0.7 and (b) vinylene content/vinyl content=0.8 to 1.6. The olefin-based copolymer has controlled content and kind of an unsaturated functional group in the olefin-based copolymer and thus, has high flowability, and may show improved physical properties of hardness, flexural strength and tensile strength.

公开(公告)号：US10508165B2

公开(公告)日：2019-12-17

申请号：US15743469

申请日：2016-12-08

Applicant: LG Chem, Ltd.

Inventor： Sang Eun Park ,  Hae Woong Park ,  Choong Hoon Lee ,  Seung Hwan Jung ,  Ji Yoon Woo ,  Hyo Ju Kim ,  Young Woo Lee

IPC: C08F210/16 ,  C08F2/04 ,  C08F4/42 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08F212/08 ,  C08F212/36 ,  C08F236/06 ,  C08F236/04

Abstract: The present invention provides an olefin-based polymer which satisfies the following conditions of (1) to (4) and is capable of exhibiting improved impact strength without degrading mechanical properties such as tensile strength:(1) density (d): from 0.850 to 0.910 g/cc, (2) melting index (MI, 190° C., 2.16 kg load conditions): from 0.1 to 100 g/10 min, (3) molecular weight distribution (MWD): from 1.5 to 3.0, and (4) two peaks are shown in a temperature range of −20° C. to 120° C. when taking measurements of temperature rising elution fractionation (TREF), and a relation of T(90)−T(50)≥60° C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).