公开(公告)号：US20240191009A1

公开(公告)日：2024-06-13

申请号：US18517575

申请日：2023-11-22

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Han Baek LEE ,  Hoo-Chae KIM ,  Jae Yun KIM ,  Seung Hyun DO ,  Beom Su JANG

IPC分类号： C08F136/06 ,  C08C19/20 ,  C08C19/22 ,  C08C19/25 ,  C08F4/54 ,  C08L9/06 ,  C08L91/00

CPC分类号： C08F136/06 ,  C08C19/20 ,  C08C19/22 ,  C08C19/25 ,  C08F4/545 ,  C08L9/06 ,  C08L91/00 ,  C08L2205/025 ,  C08L2205/035

摘要： Provided is a rubber mixture, which includes a unit structure derived from a first conjugated diene-based monomer and is functionalized with at least one of the compounds represented by Formulas 1 to 6; and a second low molecular weight rubber polymer, which includes a unit structure derived from a second conjugated diene-based monomer and is functionalized with at least one of the compounds represented by Formulas 1 to 6.

公开(公告)号：US20240132357A1

公开(公告)日：2024-04-25

申请号：US18382175

申请日：2023-10-19

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

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

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

CPC分类号： 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

摘要： 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：US20240124687A1

公开(公告)日：2024-04-18

申请号：US18095828

申请日：2023-01-11

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Jae Young KO ,  Eunjoo KIM ,  Seung Hyun KIM ,  Kyeongjun CHO

IPC分类号： C08K5/548 ,  C08F236/10 ,  C08K3/36

CPC分类号： C08K5/548 ,  C08F236/10 ,  C08K3/36

摘要： Disclosed is a method for preparing a wet master batch elastomer composition, comprising a first step of feeding silica particles and an organic silane coupling agent into an SSBR polymer solution; and a second step of grinding the silica particles, while stirring the SSBR polymer solution into which the silica particles and the organic silane coupling agent are fed, wherein a ratio of an average particle size of the ground silica particles to an average particle size of the silica particles is less than or equal to 0.8, and wherein the wet master batch elastomer composition has a bound rubber content of 30 to 80 wt. %.

公开(公告)号：US20240076468A1

公开(公告)日：2024-03-07

申请号：US18154991

申请日：2023-01-16

申请人： Hyundai Motor Company ,  Kia Corporation ,  Kyungshin Cable ,  Korea Kumho Petrochemical Co., Ltd.

发明人： Seung-Woo Choi ,  Dong-Bum Seo ,  Kyun Oh ,  Yu-Hyun Song ,  Yang-Jin Kwon ,  Joo-Han Lee

IPC分类号： C08K3/04 ,  C08K3/08 ,  C08K3/22 ,  C08L101/12 ,  H01B1/24

CPC分类号： C08K3/041 ,  C08K3/042 ,  C08K3/08 ,  C08K3/22 ,  C08L101/12 ,  H01B1/24 ,  C08K2003/085 ,  C08K2003/2231 ,  C08K2003/2237 ,  C08K2201/001 ,  C08L2203/202

摘要： An embodiment resin composition for shielding electromagnetic waves, based on a total weight of the resin composition, includes 20 to 80 wt % of thermoplastic resin, 1 to 50 wt % of a conductive filler, and 0.1 to 30 wt % of an additive. The conductive filler includes carbon fiber, carbon nanotube, carbon black, or combinations thereof

公开(公告)号：US20230391908A1

公开(公告)日：2023-12-07

申请号：US18033227

申请日：2021-10-20

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Gi Jung KIM ,  Seulgi KIM ,  Jinwoo PARK

IPC分类号： C08F212/10 ,  C08F8/00 ,  C08F6/10

CPC分类号： C08F212/10 ,  C08F6/10 ,  C08F8/00

摘要： Disclosed is a method for preparing polymer polyol comprising the steps of: (a) polymerizing polyol and aromatic vinyl monomer in the presence of an organic diluting agent; (b) additionally inputting and polymerizing polyol, aromatic vinyl monomer and unsaturated nitrile monomer in the product of step (a); and (c) removing the organic diluting agent from the product of step (b), wherein the organic diluting agent is compatible with the polymer of the aromatic vinyl monomer.

公开(公告)号：US11834395B2

公开(公告)日：2023-12-05

申请号：US17944676

申请日：2022-09-14

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Kee Yoon Roh ,  Jung Hee Jang ,  Je Young Park ,  Nam Hyun Cho

IPC分类号： C07C29/20

CPC分类号： C07C29/20 ,  C07C2601/14 ,  C07C29/20 ,  C07C35/21

摘要： An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A, comprising: (a) heating a reactor in which bisphenol A, a solvent, and a ruthenium supported catalyst are added; (b) supplying hydrogen into the reactor to react; and (c) blocking the supply of hydrogen to react.

公开(公告)号：US11661499B2

公开(公告)日：2023-05-30

申请号：US17335809

申请日：2021-06-01

申请人： Korea Kumho Petrochemical Co., Ltd.

发明人： Dong Eun Kang

IPC分类号： C08L9/06 ,  C08K5/544 ,  C08K5/548 ,  C08K5/5425 ,  C07F7/08

CPC分类号： C08L9/06 ,  C07F7/081 ,  C08K5/544 ,  C08K5/548 ,  C08K5/5425 ,  C08L2205/025 ,  C08L2205/06

摘要： Embodiments of the present invention provide a functionalized processing aid represented by the following Chemical Formula 1 in which a silane-based compound and a cardanol-derived structure are combined, a preparation method thereof, and a rubber composition including the same:

(R1)3Si—R2—Z-(E)n  [Chemical Formula 1]



in Chemical Formula 1, the definitions of R1, R2, Z, E, and n are as described in the specification.

公开(公告)号：US20220395823A1

公开(公告)日：2022-12-15

申请号：US17778644

申请日：2021-04-08

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Ji Won PARK ,  Kyoungho ROW ,  Jin Woo PARK

IPC分类号： B01J35/02 ,  B01J21/04 ,  B01J21/10 ,  B01J37/00 ,  B01J37/08 ,  C07C49/603

摘要： A catalyst molded body, a production method thereof and a method for preparing cyclic ketone using the same, including: (a) producing a mixed powder including a catalyst powder and a binder; (b) producing a slurry by mixing an aqueous alkali hydroxide solution with the mixed powder; and obtaining a catalyst molded body by molding and heat-treating the slurry.

公开(公告)号：US11434319B2

公开(公告)日：2022-09-06

申请号：US16291618

申请日：2019-03-04

申请人： Korea Kumho Petrochemical Co., Ltd.

发明人： Gi Jung Kim ,  Seul Gi Kim ,  Seung Moo Huh ,  Jin Woo Park

IPC分类号： C08G18/08 ,  C08F212/10 ,  C08G18/48 ,  C08G18/63 ,  C08L25/12 ,  C08L71/00 ,  C08F283/06

摘要： Provided is a method of preparing a polymer polyol, including steps of: (a) polymerizing a polyol and a monomer in presence of a diluent to prepare a primary particle dispersed liquid; and (b) feeding an additional polyol and monomer into the primary particle dispersed liquid and polymerizing to prepare a secondary particle dispersed liquid.

公开(公告)号：US20220010107A1

公开(公告)日：2022-01-13

申请号：US17335809

申请日：2021-06-01

申请人： Korea Kumho Petrochemical Co., Ltd.

发明人： Dong Eun KANG

IPC分类号： C08L9/06 ,  C08K5/544 ,  C08K5/548 ,  C08K5/5425 ,  C07F7/08

摘要： Embodiments of the present invention provide a functionalized processing aid represented by the following Chemical Formula 1 in which a silane-based compound and a cardanol-derived structure are combined, a preparation method thereof, and a rubber composition including the same: (R1)3Si—R2—Z-(E)n  [Chemical Formula 1] in Chemical Formula 1, the definitions of R1, R2, Z, E, and n are as described in the specification.