公开(公告)号：US20220340698A1

公开(公告)日：2022-10-27

申请号：US17639480

申请日：2021-04-16

Applicant: LG Chem, Ltd.

Inventor： Jin Sam Gong ,  Eun Jung Lee ,  Young Woo Lee ,  Jung Ho Jun ,  Jin Kuk Lee ,  Sang Hyun Hong ,  Jong Gil Kim ,  Hye Ji Lee ,  Sang Wook Han

IPC: C08F210/16 ,  C08F4/6592

Abstract: The present invention relates to a composition for an encapsulant film, including an ethylene/alpha-olefin copolymer having excellent volume resistance and light transmittance, and an encapsulant film using the same.

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：US20220282010A1

公开(公告)日：2022-09-08

申请号：US17630216

申请日：2020-12-17

Applicant: LG Chem, Ltd.

Inventor： Jin Sam Gong ,  Eun Jung Lee ,  Young Woo Lee ,  Jung Ho Jun ,  Jin Kuk Lee

IPC: C08F210/08

Abstract: The present invention relates to a composition for an encapsulant film, including an ethylene/alpha-olefin copolymer having high volume resistance and light transmittance, and an encapsulant film using the same.

公开(公告)号：US20210032274A1

公开(公告)日：2021-02-04

申请号：US16614217

申请日：2018-07-27

Applicant: LG Chem, Ltd.

Inventor： Young Shil Do ,  Jin Sam Gong ,  Eun Jung Lee ,  Choong Hoon Lee ,  Seung Hwan Jung ,  Yoon Hee Cho ,  Hyo Jung Han

IPC: C07F7/28 ,  C08F10/02

Abstract: A transition metal compound represented by Chemical Formula I and a method for preparing the same, catalyst compositions including the same, and olefin-based polymers prepared from the same are disclosed herein. The transition metal catalyst has excellent structural stability together with excellent catalytic activity and can exhibit excellent copolymerizability even at a high temperature. In an embodiment, an olefin-based polymer prepared using a catalyst composition including the transition metal compound has a density of 0.91 g/cc or less.

公开(公告)号：US10590215B2

公开(公告)日：2020-03-17

申请号：US16388612

申请日：2019-04-18

Applicant: LG CHEM, LTD.

Inventor： Yoon Hee Cho ,  Jin Sam Gong ,  Jung Ho Jun ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07D333/76 ,  C08F210/16 ,  C07F7/00 ,  C07F7/02 ,  C07F7/28 ,  C08F4/6592 ,  C08F10/00 ,  C07F7/10 ,  C07F17/00

Abstract: The present disclosure provides a novel transition metal compound having excellent structural stability together with polymerization reactivity, and thereby is useful as a catalyst in preparing an olefin-based polymer, particularly, a high molecular weight and low density olefin-based polymer, and a catalyst composition including the same.

公开(公告)号：US10550204B2

公开(公告)日：2020-02-04

申请号：US16213546

申请日：2018-12-07

Applicant: LG CHEM, LTD.

Inventor： Yoon Hee Cho ,  Jung Ho Jun ,  Jin Sam Gong ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07D333/76 ,  C07D215/02 ,  C08F4/6592 ,  C07F17/00 ,  C07F7/00 ,  C07F7/28 ,  C08F10/00 ,  C08F4/64 ,  C08F10/02 ,  C08F210/16

Abstract: The present disclosure provides a novel transition metal compound having excellent structural stability together with polymerization reactivity, and thereby is useful as a catalyst in preparing an olefin-based polymer, particularly, a low density olefin-based polymer, and a catalyst composition including the same.

公开(公告)号：US10280236B2

公开(公告)日：2019-05-07

申请号：US16121157

申请日：2018-09-04

Applicant: LG CHEM, LTD.

Inventor： A Rim Kim ,  Dong Eun Kim ,  Jin Sam Gong ,  Seung Hwan Jung ,  Hae Woong Park

IPC: C07F7/10 ,  C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F4/76 ,  C07F7/08 ,  C07F7/28 ,  C08F4/659

Abstract: The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition including the transition metal compound. The novel ligand compound and the transition metal compound of the present invention may be usefully used as the catalyst of a polymerization reaction for preparing an olefin polymer having a low density relative to a CGC catalyst. In addition, a product having a low melt index (MI) and a high molecular weight may be manufactured using the olefin polymer polymerized using the catalyst composition including the transition metal compound.

公开(公告)号：US09815924B2

公开(公告)日：2017-11-14

申请号：US14655020

申请日：2013-12-24

Applicant: LG CHEM, LTD.

Inventor： Sung Ho Choi ,  Choong Hoon Lee ,  Ji Yoon Woo ,  Hyo Ju Kim ,  Jin Sam Gong

IPC: H01L31/048 ,  C08F210/16 ,  C08L51/00 ,  C08K5/132 ,  C08K5/134 ,  C08K5/52 ,  C08J5/18 ,  H01L31/18 ,  H01L31/049 ,  C08L23/08 ,  C08K5/544 ,  C08L23/00 ,  C08F255/02 ,  C08F8/42 ,  C08L51/06 ,  H01L23/29 ,  C09J151/06 ,  C08K5/14 ,  C08K5/5425 ,  C09D143/04 ,  C09D151/06

CPC classification number: C08F210/16 ,  C08F8/42 ,  C08F255/02 ,  C08J5/18 ,  C08J2323/08 ,  C08J2451/06 ,  C08J2451/08 ,  C08K5/132 ,  C08K5/1345 ,  C08K5/14 ,  C08K5/52 ,  C08K5/5425 ,  C08K5/544 ,  C08L23/00 ,  C08L23/08 ,  C08L23/0815 ,  C08L51/003 ,  C08L51/06 ,  C08L2203/204 ,  C08L2203/206 ,  C08L2205/025 ,  C09D143/04 ,  C09D151/06 ,  C09J151/06 ,  H01L23/29 ,  H01L23/296 ,  H01L31/048 ,  H01L31/0481 ,  H01L31/049 ,  H01L31/18 ,  H01L2924/0002 ,  Y02E10/20 ,  Y02E10/50 ,  C08F230/08 ,  H01L2924/00

Abstract: Embodiments of the present application relate to an encapsulant film, a method for manufacturing an encapsulant film, an optoelectronic device, and a method for manufacturing an optoelectronic device, and can provide superior adhesive force with a front substrate and a back sheet, and specifically having long-term adhesive and heat resistance properties. Also, the present application can provide the encapsulant which does not have a negative effect on parts, such as optoelectronic elements or wire electrodes encapsulated in the optoelectronic devices, and on a working environment, and which can maintain superior workability and economic feasibility in device manufacturing.

公开(公告)号：US12240967B2

公开(公告)日：2025-03-04

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 ,  C08F4/659 ,  C08F210/16 ,  C08F4/6592 ,  C08L23/0807

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：US12240926B2

公开(公告)日：2025-03-04

申请号：US17630216

申请日：2020-12-17

Applicant: LG Chem, Ltd.

Inventor： Jin Sam Gong ,  Eun Jung Lee ,  Young Woo Lee ,  Jung Ho Jun ,  Jin Kuk Lee

IPC: C08F210/16 ,  C08F210/02 ,  C08F210/08

Abstract: The present invention relates to a composition for an encapsulant film, including an ethylene/alpha-olefin copolymer having high volume resistance and light transmittance, and an encapsulant film using the same.