公开(公告)号：US11292165B2

公开(公告)日：2022-04-05

申请号：US16610731

申请日：2017-09-29

Applicant: LG CHEM, LTD

Inventor： Hyun Sup Lee ,  Soon Ho Sun ,  Yi Young Choi ,  Ki Soo Lee ,  Bog Ki Hong ,  Sung Hyun Park ,  Myung Han Lee ,  Chang Kwon Chung

IPC: B29C45/00 ,  B29C45/76 ,  B29L31/40

Abstract: The present application relates to a method for selecting an injection-molded article and a method for manufacturing an injection-molded article. An injection-molded article having excellent crack stability can be produced using the material selected using the described selection method without having to manufacture test articles through injection molding.

公开(公告)号：US20210080367A1

公开(公告)日：2021-03-18

申请号：US16640864

申请日：2018-08-21

Applicant: LG Chem, Ltd.

Inventor： Hyunsup Lee ,  Sung Hyun Park ,  Soon Ho Sun ,  Yi Young Choi ,  Ki Soo Lee ,  Myung Han Lee

IPC: G01N11/08 ,  B29C45/00 ,  G01N25/04 ,  C08F210/16

Abstract: The present invention relates to a method for evaluating an injection physical property of a plastic resin, and a polyethylene resin suitable for an injection molding process and, more particularly, to a novel method for evaluating an injection physical property of a plastic resin, which, when a particular plastic resin is processed by an injection process, can accurately derive injection suitability of the plastic resin and injection pressure in the injection process through a physical property value measured by using a resin specimen, and a polyethylene resin suitable for injection molding.

公开(公告)号：US10766988B2

公开(公告)日：2020-09-08

申请号：US16094722

申请日：2017-11-02

Applicant: LG Chem, Ltd.

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

Abstract: 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：US10544247B2

公开(公告)日：2020-01-28

申请号：US15773748

申请日：2017-11-03

Applicant: LG Chem, Ltd.

Inventor： Sun Mi Kim ,  Yi Young Choi ,  Ki Soo Lee ,  Bog Ki Hong ,  Sung Min Lee ,  Soon Ho Sun ,  Jin Young Park

IPC: C08F4/6592 ,  C08F4/653 ,  C08F210/16 ,  C08F4/659

Abstract: The present disclosure relates to a supported hybrid metallocene catalyst and a method for preparing a polyolefin using the same. When the supported hybrid metallocene catalyst according to the present disclosure is used, a polyolefin with a multimodal molecular weight distribution and excellent environmental stress crack resistance can be prepared.

公开(公告)号：US20190100611A1

公开(公告)日：2019-04-04

申请号：US16087119

申请日：2017-08-07

Applicant: LG Chem, Ltd.

Inventor： Sung Min Lee ,  Yi Young Choi ,  Bog Ki Hong ,  Soon Ho Sun ,  Sun Mi Kim ,  Jin Young Park ,  Ki Soo Lee

IPC: C08F210/16 ,  C08F4/6592

Abstract: The ethylene/1-hexene copolymer according to the present invention has excellent processability and mechanical properties, and thus can be applied to various fields such as food containers.

公开(公告)号：US20190062474A1

公开(公告)日：2019-02-28

申请号：US15773748

申请日：2017-11-03

Applicant: LG Chem, Ltd.

Inventor： Sun Mi Kim ,  Yi Young Choi ,  Ki Soo Lee ,  Bog Ki Hong ,  Sung Min Lee ,  Soon Ho Sun ,  Jin Young Park

IPC: C08F210/16

Abstract: The present disclosure relates to a supported hybrid metallocene catalyst and a method for preparing a polyolefin using the same. When the supported hybrid metallocene catalyst according to the present disclosure is used, a polyolefin with a multimodal molecular weight distribution and excellent environmental stress crack resistance can be prepared.