公开(公告)号：US20240043588A1

公开(公告)日：2024-02-08

申请号：US18265861

申请日：2021-12-02

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Jisong JO ,  Jeong Hyun PARK ,  Sung Dong KIM ,  Munhee LEE ,  Ui Gap JOUNG

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

CPC classification number: C08F210/02 ,  C08F4/65922 ,  C08F4/65916

Abstract: An olefinic polymer and a method for preparing the olefinic polymer are disclosed. The olefinic polymer has excellent melt strength, and thus has excellent bubble stability during blown film molding. The olefinic polymer has (1) a density of 0.9 to 0.95 g/cm3; (2) a melt index (I2.16) of 0.1 to 5.0 g/10 min as measured with a load of 2.16 kg at 190° C.; (3) a ratio between a melt index (I21.6) measured with a load of 21.6 kg and a melt index (I2.16) measured with a load of 2.16 kg at 190° C. (melt flow ratio; MFR) of 20 or more; (4) a melt tension of 55 mN or more at a velocity at break of 350 mm/s; and (5) a maximum velocity at break of 550 mm/s or more.

公开(公告)号：US20240132639A1

公开(公告)日：2024-04-25

申请号：US18265854

申请日：2021-12-02

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Jisong JO ,  Jeong Hynn PARK ,  Sun Dong KIM ,  Munhee LEE ,  Ui Gap JOUNG

IPC: C08F10/14 ,  C08F2/34 ,  C08F4/02 ,  C08F4/14 ,  C08F4/659 ,  C08F4/6592

CPC classification number: C08F10/14 ,  C08F2/34 ,  C08F4/025 ,  C08F4/14 ,  C08F4/65904 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F2500/12

Abstract: An olefin-based polymer, a film prepared from the olefin-based polymer, and preparation methods for manufacturing the olefin-based polymer and the film are disclosed. The olefin-based polymer has excellent processability, and a film prepared from the olefin-based polymer, particularly, a linear low density polyethylene film has excellent mechanical strength, in particular, drop impact strength.

公开(公告)号：US20240084057A1

公开(公告)日：2024-03-14

申请号：US18265871

申请日：2021-12-02

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Jisong JO ,  Jeong Hyun PARK ,  Sung Dong KIM ,  Munhee LEE ,  Ui Gap JOUNG

IPC: C08F210/02

CPC classification number: C08F210/02 ,  C08F2500/18

Abstract: An olefin polymer and a preparation method for manufacturing the olefin polymer are disclosed. The olefin polymer has a high melting point and a high crystallization temperature, thus having excellent heat resistance. Therefore, the olefin polymer may be utilized in spout pouches for high-temperature liquid containers, or the like. The olefin polymer may have a density of 0.9 to 0.95 g/cm3, preferably 0.91 to 0.945 g/cm3, and satisfies the following Equations 1a and 2a:


224.02×d−86.257

公开(公告)号：US20230416427A1

公开(公告)日：2023-12-28

申请号：US18038340

申请日：2021-11-12

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Munhee LEE ,  Sung Dong KIM ,  Ui Gap JOUNG ,  Jeong Hyun PARK ,  Hye Ran PARK ,  Junho SEO ,  Seongjae LIM ,  Jisong JO

IPC: C08F210/16 ,  C08F4/76 ,  C08F4/02

CPC classification number: C08F210/16 ,  C08F2410/04 ,  C08F4/025 ,  C08F4/76

Abstract: The present invention relates to an olefin-based polymer, a film prepared therefrom, and preparation methods therefor. An olefin-based polymer according to an embodiment of the present invention has excellent processability, and a film prepared therefrom, particularly, a linear low density polyethylene film has excellent mechanical strength, in particular, drop impact strength.

公开(公告)号：US20250034299A1

公开(公告)日：2025-01-30

申请号：US18690138

申请日：2022-08-29

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Munhee LEE ,  Ui Gap JOUNG ,  Jeong Hyun PARK ,  Sung Dong KIM ,  Jisong JO ,  Junho SEO ,  Seongjae LIM ,  Hye Ran PARK ,  Daegak KIM

IPC: C08F210/16

Abstract: Provided are a method for preparing an olefin-based polymer and an olefin-based polymer produced using the same. The method for preparing an olefin-based polymer according to an exemplary embodiment may adjust processability of the olefin-based polymer produced using the method by a polymerization temperature. In addition, the method for preparing an olefin-based polymer according to the exemplary embodiment may adjust drop impact strength of a finally obtained film by a polymerization temperature.

公开(公告)号：US20240059816A1

公开(公告)日：2024-02-22

申请号：US18267722

申请日：2021-12-10

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Sung Dong KIM ,  Munhee LEE ,  Ui Gap JOUNG ,  Jeong Hyun PARK ,  Junho SEO ,  Seongjeon LIM ,  Hye Ran PARK ,  Jisong JO

IPC: C08F210/16 ,  C08F2/34 ,  C08F4/659 ,  C08F4/6592 ,  C08L23/08

CPC classification number: C08F210/16 ,  C08F2/34 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08L23/0815 ,  C08L2203/162 ,  C08L2207/066

Abstract: An olefin-based polymer and a method for preparing the olefin-based polymer are disclosed. The olefin-based polymer has excellent heat-sealing property due to the high proportion of a copolymer, which has many branches and is derived from comonomers. The olefin-based polymer has a density of 0.915 to 0.950 g/cm3, a melt index (I2.16) of 0.5 to 1.5 g/10 min as measured with a load of 2.16 kg at 190° C., and a polydispersity index (Mw/Mn) of 2 to 6.

公开(公告)号：US20240059815A1

公开(公告)日：2024-02-22

申请号：US18267678

申请日：2021-12-10

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Sung Dong KIM ,  Munhee LEE ,  Ui Cap JOUNG ,  Jeong Hyun PARK ,  Junho SEO ,  Seongjae LIM ,  Jisong JO ,  Hye Ran PARK

IPC: C08F210/16

CPC classification number: C08F210/16

Abstract: The present invention relates to an olefin-based polymer, and a method for preparing the same. The olefin-based polymer according to an embodiment of the present invention has a wide molecular weight distribution and thus has excellent processability. Moreover, a relatively large number of short-chain branches are present in high molecular weight components of the olefin-based polymer, and thus the olefin-based polymer has excellent mechanical strength and heat-sealing properties.