公开(公告)号：US11440984B2

公开(公告)日：2022-09-13

申请号：US16769814

申请日：2018-12-24

Applicant: LG Chem, Ltd.

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

IPC: C08F210/16 ,  C08F210/02 ,  C07F7/28 ,  C08F210/08 ,  C08F210/14

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) a molecular weight distribution (MWD) in a range of 1.0 to 3.0, and (4) a number average molecular weight (Mn) and a Z+1 average molecular weight (Mz+1) satisfying the Equation 1, {Mn/(Mz+1)}×100>15. The olefin-based polymer according to the present invention is a low-density olefin-based polymer and exhibits excellent tensile strength due to having improved molecular weight as compared to the flow index.

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：US11518870B2

公开(公告)日：2022-12-06

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 ,  C08F210/16 ,  C08F4/6592 ,  C08F4/653 ,  C08F210/18

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：US11339235B2

公开(公告)日：2022-05-24

申请号：US16640263

申请日：2018-12-21

Applicant: LG Chem, Ltd.

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

IPC: C08F210/16 ,  C08F4/6592 ,  C08F2/01 ,  C08F2/04 ,  C08F210/14

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.850 g/cc 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, (3) a melt temperature (Tm) of 10° C. to 100° C., and (4) a hardness (H, Shore A), the density (d) and the melt temperature (Tm) satisfying Equation 1, and Equation 2 or 3. The olefin-based polymer according to the present invention has low hardness and improved foaming properties, and exhibits improved impact strength at compounding.

公开(公告)号：US20210115173A1

公开(公告)日：2021-04-22

申请号：US16770750

申请日：2018-12-24

Applicant: LG Chem, Ltd.

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

IPC: C08F210/18 ,  C08F210/08 ,  C08F210/02 ,  C08F4/6592 ,  C08F4/659

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) the density (d) and the melt temperature (Tm) satisfying Tm (° C.)=a×d−b of Equation 1 (2,350

公开(公告)号：US11542352B2

公开(公告)日：2023-01-03

申请号：US16770750

申请日：2018-12-24

Applicant: LG Chem, Ltd.

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

IPC: C08F210/16 ,  C08F4/6592 ,  C08F210/18 ,  C08F4/659 ,  C08F210/02 ,  C08F210/08 ,  C08L23/08

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) the density (d) and the melt temperature (Tm) satisfying Tm (° C.)=a×d−b of Equation 1 (2,350

公开(公告)号：US20200369807A1

公开(公告)日：2020-11-26

申请号：US16769814

申请日：2018-12-24

Applicant: LG Chem, Ltd.

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

IPC: C08F210/16 ,  C08F210/14 ,  C08F210/08 ,  C07F7/28

Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) a molecular weight distribution (MWD) in a range of 1.0 to 3.0, and (4) a number average molecular weight (Mn) and a Z+1 average molecular weight (Mz+1) satisfying the Equation 1, {Mn/(Mz+1)}×100>15. The olefin-based polymer according to the present invention is a low-density olefin-based polymer and exhibits excellent tensile strength due to having improved molecular weight as compared to the flow index.

公开(公告)号：US20200010657A1

公开(公告)日：2020-01-09

申请号：US16304869

申请日：2017-09-18

Applicant: LG Chem, Ltd.

Inventor： Hyo Ju Kim ,  In Sung Park ,  Sang Eun Park ,  Hae Woong Park ,  Kyung Bok Bae ,  Choong Hoon Lee

IPC: C08L23/12 ,  C08F210/16 ,  C08L23/08 ,  C08F4/659 ,  C08F4/6592 ,  C08L23/14

Abstract: The present invention relates to a polypropylene-based resin composition which exhibits mechanical properties such as excellent strength and more improved impact strength, and a molded article comprising the same. The polypropylene-based resin composition comprises: a polypropylene-based resin; and an olefin-based copolymer, and shows two or more elution temperatures at a predetermined temperature range when analyzing the olefin-based copolymer by temperature rising elution fractionation (TREF).