公开(公告)号：US20170106564A1

公开(公告)日：2017-04-20

申请号：US15293426

申请日：2016-10-14

Applicant: Korea Kumho Petrochemical Co., Ltd.

Inventor： Ho Soo HWANG ,  Wan Sung LEE ,  Dong Hwan KIM

IPC: B29B9/10 ,  B30B11/08 ,  B29C47/00 ,  B29B7/90 ,  B29C45/00

CPC classification number: B29B9/10 ,  B29B7/90 ,  B29C45/0001 ,  B29C48/022 ,  B29C48/03 ,  B29K2101/12 ,  B29K2105/162 ,  B29K2105/167 ,  B29K2507/04 ,  B29K2995/0005 ,  B29L2031/30 ,  B30B11/08 ,  C08J3/203 ,  C08J5/005 ,  C08J2355/00 ,  C08J2355/02

Abstract: A method of preparing a plastic substrate for electrostatic painting includes preparing a carbon nanotube pellet by molding carbon nanotube powder. The method also includes preparing a conductive resin composition by mixing 0.1 to 10 wt % of the carbon nanotube pellet, 0.1 to 20 wt % of carbon black, and 70 to 99 wt % of a thermoplastic polymer resin. The method further includes molding the conductive resin composition.

公开(公告)号：US20240228293A9

公开(公告)日：2024-07-11

申请号：US18382175

申请日：2023-10-20

Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.

Inventor： Myung Hoon JEONG ,  Hyun Tae KIM ,  Sang Hyo RYU ,  Chung Heon JEONG ,  Wan Sung LEE ,  Woo Ram JUNG ,  Chang Gu KANG

IPC: C01B32/162 ,  B01J21/02 ,  B01J23/22 ,  B01J23/75 ,  B01J23/847 ,  B01J35/00 ,  B01J35/08 ,  B01J37/00 ,  B01J37/08

CPC classification number: C01B32/162 ,  B01J21/02 ,  B01J23/22 ,  B01J23/75 ,  B01J23/8472 ,  B01J35/0026 ,  B01J35/08 ,  B01J37/0018 ,  B01J37/088 ,  C01B2202/30 ,  C01B2202/32 ,  C01B2202/34 ,  C01B2202/36 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/80

Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.

公开(公告)号：US20240408583A1

公开(公告)日：2024-12-12

申请号：US18700556

申请日：2022-03-02

Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.

Inventor： Chung Heon JEONG ,  Sang Hyo RYU ,  Hyun Tae KIM ,  Wan Sung LEE ,  Myung Hoon JEONG ,  Woo Ram JUNG

IPC: B01J23/847 ,  C01B32/162 ,  H01M4/62

Abstract: One embodiment of the present disclosure provides a catalyst for manufacturing carbon nanotubes, including a metal component represented by the following Chemical Formula 1: Cox:[M1,Zr]y:M2z  [Chemical Formula 1] wherein Co represents cobalt or oxides or derivatives thereof, M1 represents at least one metal, or oxides or derivatives thereof, selected from Al, Ca, Si, Ti, and Mg, Zr represents zirconium, or oxides or derivatives thereof, M2 represents at least one metal, or oxides or derivatives thereof, selected from W, V, Mn, and Mo, x/y satisfies 0.2≤x/y≤2.6, and x/z satisfies 6≤x/z≤13.

公开(公告)号：US20240132357A1

公开(公告)日：2024-04-25

申请号：US18382175

申请日：2023-10-19

Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.

Inventor： Myung Hoon JEONG ,  Hyun Tae KIM ,  Sang Hyo RYU ,  Chung Heon JEONG ,  Wan Sung LEE ,  Woo Ram JUNG ,  Chang Gu KANG

IPC: C01B32/162 ,  B01J21/02 ,  B01J23/22 ,  B01J23/75 ,  B01J23/847 ,  B01J35/00 ,  B01J35/08 ,  B01J37/00 ,  B01J37/08

CPC classification number: C01B32/162 ,  B01J21/02 ,  B01J23/22 ,  B01J23/75 ,  B01J23/8472 ,  B01J35/0026 ,  B01J35/08 ,  B01J37/0018 ,  B01J37/088 ,  C01B2202/30 ,  C01B2202/32 ,  C01B2202/34 ,  C01B2202/36 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/80

Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.

公开(公告)号：US20240182309A1

公开(公告)日：2024-06-06

申请号：US18491393

申请日：2023-10-20

Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.

Inventor： Wan Sung LEE ,  Hyun Tae KIM ,  Sang Hyo RYU ,  Chung Heon JEONG ,  Myung Hoon JEONG

IPC: C01B32/162 ,  C23C16/26 ,  C23C16/52

CPC classification number: C01B32/162 ,  C23C16/26 ,  C23C16/52 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/13 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/80

Abstract: An embodiment of the present specification provides a method for preparing a carbon nanotube, comprising: (a) introducing a catalyst into a chemical vapor deposition reactor; and (b) injecting a carbon source gas to synthesize a carbon nanotube, wherein an input of the catalyst and a flow rate of the carbon source gas satisfy the following Formula 1:


0.1 L/g·min≤a/b≤1.1 L/g·min  [Formula 1]



wherein a represents a flow rate (L/min) of the carbon source gas and b represents an input (g) of the catalyst.

公开(公告)号：US20190153209A1

公开(公告)日：2019-05-23

申请号：US16196969

申请日：2018-11-20

Applicant: Korea Kumho Petrochemical Co., Ltd.

Inventor： Ho Soo HWANG ,  Wan Sung LEE ,  Hyung Min KIM ,  Yu Hyun SONG ,  Dong Hwan KIM

IPC: C08L25/10 ,  C08L47/00 ,  C08J3/22 ,  H01B1/24

Abstract: Provided are a conductive resin composition which includes 10 to 40 wt % of a first copolymer having an average particle size of 1 to 5 μm; 30 to 60 wt % of a second copolymer having an average particle size of 0.1 to 1 μm; 10 to 20 wt % of a third copolymer prepared by copolymerizing styrene and butadiene in a weight ratio of 60 to 80:20 to 40; 1 to 10 wt % of a conductive filler; and 5 to 10 wt % of a rubber component, and a method of preparing the same.