KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeong, Chung Heon
Ryu, Sang Hyo
Kim, Hyun Tae
Lee, Wan Sung
Jeong, Myung Hoon
Jung, Woo Ram
Abstract
One embodiment of the present disclosure provides a method of preparing a catalyst for manufacturing carbon nanotubes, which includes: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) thermally decomposing the precursor solution by spraying the precursor solution into a reactor; and (c) obtaining a catalyst, wherein the catalyst includes a metal component represented by the following Chemical Formula 1:
One embodiment of the present disclosure provides a method of preparing a catalyst for manufacturing carbon nanotubes, which includes: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) thermally decomposing the precursor solution by spraying the precursor solution into a reactor; and (c) obtaining a catalyst, wherein the catalyst includes 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.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Mokwon
Kang, Dongil
Ku, Junhwan
Kim, Jaeyun
Ryu, Wonyeong
Park, June
Lee, Yonggun
Lee, Hanbaek
Choi, Bona
Hwang, Seungsik
Abstract
A solid electrolyte membrane includes a solid electrolyte, a high-molecular-weight polymer binder having a weight average molecular weight of about greater than 75,000 gram/mole (g/mol) but less than or equal to 1,000,000 g/mol, and a low-molecular-weight non-polar liquid rubber (non-polar elastomer), wherein the low-molecular-weight non-polar liquid rubber has a weight average molecular weight of about 2,000 g/mol to about 75,000 g/mol, and a viscosity of about 1 centipoises (cps) to about 100,000 cps. An all-solid-state secondary battery includes the solid electrolyte membrane.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Seung Hyun
Ko, Jae Young
Cho, Kyeongjun
Kim, Eunjoo
Abstract
Disclosed is a method of preparing a wet master batch elastomer composition, including: a first step of inputting silica particles and an organic silane coupling agent into a SSBR polymer solution; a second step of stirring the SSBR polymer solution containing the silica particles and the organic silane coupling agent to pulverize the silica particles while surface-modifying the silica particles with the organic silane coupling agent; a third step of removing a solvent from the SSBR polymer solution containing the surface-modified and pulverized silica particles, followed by drying and solidification to obtain a silica-SSBR composite; and a fourth step of compounding the silica-SSBR composite with one or more additives selected from the group consisting of silica particles, an organic silane coupling agent, a softener, a crosslinking activator, an antioxidant, a vulcanization accelerator, and a vulcanizing agent, wherein the wet master batch elastomer composition includes 8 to 20 parts by weight of the organic silane coupling agent based on 100 parts by weight of the SSBR polymer solution.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
Choi, Bo Na
Park, June
Ryu, Won Yeong
Hwang, Seung Sik
Kim, Mok Won
Lee, Yong Gun
Abstract
Disclosed is a binder for forming a solid electrolyte film, comprising a first copolymer that includes structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer; and a second copolymer including a structural unit derived from at least one of a polar monomer and a non-polar monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
Choi, Bo Na
Park, June
Ryu, Won Yeong
Hwang, Seung Sik
Kim, Mok Won
Lee, Yong Gun
Abstract
Disclosed are a binder for forming a solid electrolyte film, which includes a copolymer including structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Yang, Sunkyu
Lee, Jin-Hee
Lee, Na Rae
Kim, Hyung Jin
Kang, Sang Hun
Abstract
An embodiment of the present specification provides a method for manufacturing a maleimide-based quaternary copolymer, the method comprising the steps of: (a) preparing a suspension comprising a monomer mixture and an initiator, the monomer mixture containing an N−substituted maleimide-based monomer, a styrene-based monomer, an α-alkylstyrene-based monomer, and a vinyl cyanide-based monomer; and (b) polymerizing the suspension, wherein the initiator includes an azo-based initiator and two or more types of hydroperoxide-based initiators, and step (b) comprises the steps of: (b1) polymerizing the suspension at a first temperature; and (b2) polymerizing the product of step (b1) at a second temperature, the second temperature being higher than the first temperature.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, You Seok
Kim, Gi Jung
Song, Yu Hyun
Abstract
One embodiment of the present specification provides: a flame retardant resin composition comprising a composite flame retardant and a styrene-based resin, wherein the composite flame retardant is composited by adsorbing a phosphorus-based flame retardant on the surface of expanded graphite, and the expanded graphite has a foaming initiation temperature of 180 °C or higher; and a flame retardant resin molded article manufactured by molding said flame retardant resin composition.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Seung-Il
Jung, Yeong Min
Seo, Ho Bin
Kim, Seohyun
Abstract
nn-X , where A is a block composed of an aromatic vinyl monomer, B is a block composed of a conjugated diene monomer, C is a first coupling agent, X is a second coupling agent, n is an integer of 2 to 4, and the second coupling agent is a non-aromatic compound having two or more epoxy groups.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
C04B 26/26 - Bituminous materials, e.g. tar, pitch
10.
SOLID ELECTROLYTE MEMBRANE AND ALL-SOLID-STATE BATTERY COMPRISING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
Park, June
Choi, Bona
Ryu, Wonyeong
Kim, Yunkyoung
Kim, Youngbok
Kim, Donghyeon
Lee, Jieun
Kim, Yeeun
Abstract
Disclosed are a solid electrolyte membrane and an all-solid-state battery comprising same, the solid electrolyte membrane comprising: a solid electrolyte; and a block copolymer comprising a unit structure derived from an aromatic vinyl monomer and a unit structure derived from a conjugated diene-based monomer.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Hyun Jeong
Lee, Byung Yong
Ryu, Won Yeong
Park, June
Choi, Bo Na
Abstract
disclosureDisclosed are, inter alia, a composition for forming an anode of a lithium secondary battery including an anode active material, a conductive material, and a binder. Particularly, the binder contains a triblock copolymer which has a soft block derived from an aliphatic or alicyclic diene-based monomer and forming a rubbery phase at a room temperature; and a first hard block and a second hard block connected to both ends of the soft block, respectively, derived from an aromatic ring-containing ethylenically unsaturated monomer, and forming a glassy phase at a room temperature, and wherein the binder includes particles with an average diameter (D50) of 1 μm or more and 50 μm or less.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choi, Sung Kyu
Song, Yu Hyun
Lee, Joo Han
Abstract
Provided in one embodiment of the present specification are a heating composite resin composition and a plastic molded product manufactured by injection-molding same, the composition comprising a polyamide resin and a conductive filler, wherein the conductive filler comprises carbon nanotubes, carbon black, and carbon fiber, the weight ratio of the carbon fiber to the carbon nanotubes is 10-40, and the weight ratio of the carbon fiber to the carbon black is 0.8-2.0.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
13.
PREPARING METHOD OF POLYMER POWDER FOR BINDER AND BINDER COMPOSITION
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, June
Choi, Bona
Ryu, Wonyeong
Abstract
A method of preparing polymer powder which is able to serve as a binder for a particulate material through dry mixing, and a binder composition including the polymer powder are disclosed.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08J 3/07 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from polymer solutions
14.
HEATING COMPOSITE RESIN COMPOSITION USING CARBON-BASED CONDUCTIVE FILLER AND PLASTIC MOLDED ARTICLE USING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choi, Sung Kyu
Song, Yu Hyun
Kang, Min Sung
Abstract
An embodiment of the present specification provides: a heating composite resin composition and a plastic molded article manufactured by injection molding of the composition, the composition comprising an olefin-based resin and a conductive filler, the conductive filler comprising carbon nanotubes, carbon black, and carbon fibers, wherein the weight ratio of the carbon fibers to the carbon nanotubes is 10-40, and the weight ratio of the carbon fibers to the carbon black is 0.8-2.0.
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
15.
CATALYST FOR MANUFACTURING CARBON NANOTUBES AND CARBON NANOTUBE AGGREGATE MANUFACTURED USING THE SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeong, Chung Heon
Ryu, Sang Hyo
Kim, Hyun Tae
Lee, Wan Sung
Jeong, Myung Hoon
Jung, Woo Ram
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:
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeon, Jong Jin
Ahn, Duseong
Yang, Kun-Ho
Abstract
Disclosed are a composition for latex polymerization including: a conjugated diene-based monomer; an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, and an ionic compound and having an ionic conductivity of 275 μs/cm or more, a latex for dip molding polymerized therefrom, and a dip molded article using the same.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeon, Jong Jin
Yang, Kun Ho
Abstract
One embodiment of the present specification provides a composition for latex polymerization, comprising a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, an ionic organic compound, and an ionic inorganic compound, wherein the weight ratio of the ionic inorganic compound to the ionic organic compound is 4.7 or more.
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Keeyoon
Cho, Namhyun
Kim, Heesu
Jang, Sanghun
Choi, Junghei
Abstract
Disclosed is a method for preparing an aliphatic nitrile-based compound by subjecting an aliphatic compound having two or more carboxyl groups to a direct substitution reaction with a nitrile-based compound.
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton
C07C 255/02 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
C07C 255/19 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton
19.
STABILIZER, POLYMER POLYOL PREPARED USING STABILIZER AND METHOD FOR PREPARING POLYMER POLYOL
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Jinwoo
Kim, Gi Jung
Kim, Seulgi
Kim, Dong Ho
Choi, Yejin
Abstract
Disclosed is a polymer polyol stabilizer, prepared by reacting: a polyol having a hydroxyl value of 5 to 100 mgKOH/g and containing ethylene oxide in an amount of 50 wt % or more; and a reactive unsaturated compound having one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds, a polymer polyol polymerized by comprising the polymer polyol stabilizer, and a method for preparing the polymer polyol.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeong, Myung Hoon
Kim, Hyun Tae
Ryu, Sang Hyo
Jeong, Chung Heon
Lee, Wan Sung
Jung, Woo Ram
Kang, Chang Gu
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Kim, Dong Eon
Abstract
One embodiment provides a method of preparing a phthalonitrile-based compound, including: (a) preparing a mixture including a phthalic acid-based compound and a nitrile-based compound; and (b) reacting the mixture, wherein step (b) is performed under supercritical conditions of the nitrile-based compound.
C07C 253/16 - Preparation of carboxylic acid nitriles by reaction of cyanides with lactones or compounds containing hydroxy groups or etherified or esterified hydroxy groups
KOREA KUMHO PETROCHEMICAL CO, LTD. (Republic of Korea)
Inventor
Choung, Sung Hun
Lee, Ha Jung
Han, Jeong Weon
Abstract
One embodiment of the present specification provides a method for preparing a latex composition for dip-forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, a farnesene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; (b) adding an additive including an emulsifier and an inorganic solvent to the monomer mixture; and (c) polymerizing the monomer mixture to prepare a copolymer latex, wherein a weight ratio of the farnesene monomer to a total weight of the conjugated diene-based monomer and the farnesene monomer is 5 to 55%.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Lee, Han Baek
Kim, Hoo-Chae
Kim, Jae Yun
Do, Seung Hyun
Jang, Beom Su
Abstract
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Lee, Wan Sung
Kim, Hyun Tae
Ryu, Sang Hyo
Jeong, Chung Heon
Jeong, Myung Hoon
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:
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Yun Kyoung
Park, June
Ryu, Wonyeong
Choi, Bona
Lee, Jieun
Kim, Yeeun
Kim, Youngbok
Kim, Donghyeon
Abstract
The present invention relates to a solid electrolyte membrane for an all-solid-state battery, and an all-solid-state battery comprising same, the solid electrolyte membrane comprising: a binder containing 22-34% by weight of styrene with respect to the total weight of a styrene-butadiene-styrene copolymer; and a solid electrolyte.
BINDER COMPOSITION FOR ALL SOLID STATE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, SLURRY COMPOSITION AND ALL SOLID STATE SECONDARY BATTERY COMPRISING THE SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Jeong Geun
Suh, Jae Kon
Song, In Oh
Choi, Young Gil
Abstract
Disclosed are a binder composition for an all-solid-state secondary battery, including a copolymer including a conjugated diene-based monomer, an aromatic vinyl-based monomer, and an ethylenically unsaturated acid monomer, a trithiocarbonate-based compound, a mercaptan-based compound, and a solvent, wherein a weight average molecular weight (Mw) of the copolymer is 50,000 to 200,000, and a molecular weight distribution (Mw/Mn) is 1 to 5, a method of preparing the same, a slurry composition for a cathode or a solid electrolyte including the same, and a secondary battery manufactured therefrom.
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
27.
BINDER FOR ANODE OF SECONDARY BATTERY, ANODE MIXTURE FOR SECONDARY BATTERY, ANODE AND SECONDARY BATTERY INCLUDING THE SAME
KOREA KUMHO PETROCHEMICAL CO., LTD (Republic of Korea)
Inventor
Kim, Jeong Geun
Choi, Young Gil
Lee, Yong Jun
Abstract
Disclosed are a binder for a secondary battery anode including styrene-butadiene-based rubber with a core-shell structure and nitrile-butadiene-based rubber with a gel content of 15% or more, wherein a weight ratio of the styrene-butadiene-based rubber and the nitrile-butadiene-based rubber is 65:35 to 99:1, an anode mixture for a secondary battery, and an anode and a secondary battery including the same.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ko, Jae Young
Kim, Eunjoo
Kim, Seung Hyun
Cho, Kyeongjun
Abstract
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. %.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Joe, Daejune
Kwon, Min Sung
Lee, Dae Hyung
Sung, Gihyun
Yoon, Hyeong Ho
Kwag, Gwanghoon
An, Jae Yeon
Abstract
One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below:
One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below:
One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below:
In Chemical Formula 1, R1a and R1b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R2a and R2b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R3a and R3b are each independently a substituted or unsubstituted straight or branched-chain alkylene group having 1 to 16 carbon atoms, R4a, R4b, R5a, and R5b are each independently hydrogen, a substituted or unsubstituted straight or branched alkyl group having 1 to 16 carbon atoms, or a substituted or unsubstituted straight or branched-chain heteroalkyl group having 1 to 16 carbon atoms, m1 and m2 are each an integer from 0 to 2, and when m1 and m2 are each 0, a plurality of OR2a and OR2b are the same or different, and when m1 and m2 are each 2, a plurality of R1a and R1b are the same or different, and x is an integer from 1 to 5.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Lee, Young Rok
Kim, Jae Woo
Row, Kyoung Ho
An, Ick Jin
Park, Jin Woo
Kim, Yu Mi
Abstract
A preparation process of 5-ethylidene-2-norbornene, including: introducing dicyclopentadiene into a dicyclopentadiene decomposition reactor to thermally decompose the dicyclopentadiene; introducing a product of the above step into a cyclopentadiene purification tower; introducing 1,3-butadiene, a solvent, and cyclopentadiene separated from the top of the cyclopentadiene purification tower into a Diels-Alder reactor to react the same; introducing a product of the immediate above step into a 1,3-butadiene removal tower to recover 1,3-butadiene from the top; introducing a mixture at the bottom of the 1,3-butadiene removal tower into a desolvation tower, and recycling a solvent and unreacted raw materials recovered from the top of the desolvation tower to the dicyclopentadiene decomposition reactor; introducing a mixture at the bottom of the desolvation tower into a 5-vinyl-2-norbornene separation tower to separate 5-vinyl-2-norbornene; and introducing the 5-vinyl-2-norbornene into an isomerization reactor to react the same.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Choi, Seung-Woo
Seo, Dong-Bum
Oh, Kyun
Song, Yu-Hyun
Kwon, Yang-Jin
Lee, Joo-Han
Abstract
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
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
32.
DISPERSION STABILIZER BASED ON AT LEAST TWO TYPES OF POLYOLS AND METHOD OF PREPARING THE SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Jinwoo
Kim, Gi Jung
Kim, Seulgi
Song, Jae Yeong
Abstract
Provided are a polymer polyol dispersion stabilizer, which is prepared by reacting a first polyol having a hydroxyl value (OHV) of 5 to 50 mgKOH/g and an ethylene oxide content of less than 20 wt %, a second polyol having an OHV of 50 to 100 mgKOH/g and an ethylene oxide content of 20 wt % or more, and a reactive unsaturated compound having one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds, and a method of preparing the same.
C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
33.
DISPERSION STABILIZER BASED ON AT LEAST TWO TYPES OF POLYOLS AND PREPARATION METHOD THEREFOR
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Jin Woo
Kim, Gi Jung
Kim, Seul Gi
Song, Jae Yeong
Abstract
Disclosed are a dispersion stabilizer of a polymer polyol and a preparation method therefor, the dispersion stabilizer being prepared by a reaction of: a first polyol having a hydroxyl value of 5-50 mgKOH/g and an ethylene oxide content of less than 20 wt%; a second polyol having a hydroxyl value of 50-100 mgKOH/g and an ethylene oxide content of 20 wt% or more; and a reactive unsaturated compound having at least one carbon-carbon double bond and at least two carbon-oxygen double bonds.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Seulgi
Kim, Gi Jung
Park, Jinwoo
Abstract
Disclosed are a preparation method for a polymer polyol and a polymer polyol prepared thereby, the method comprising the steps of: (a) reacting a first mixture containing an initiator, a polyol, a diluent, a stabilizer, a styrene-based monomer, and a nitrile-based monomer; and (b) continuously adding, to the first mixture, a second mixture containing an initiator, a polyol, a stabilizer, a styrene-based monomer, and a nitrile-based monomer, followed by reaction, wherein each of the stabilizers of the first mixture and the second mixture is contained at a weight ratio of 1:1-3.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Seulgi
Kim, Gi Jung
Park, Jinwoo
Abstract
Disclosed is a process for producing a polymer polyol, comprising: (a) reacting a first mixture comprising an initiator, a polyol, a diluent, a stabilizer, a styrene-based monomer and a nitrile-based monomer; and (b) continuously adding, to the first mixture, a second mixture comprising an initiator, a polyol, a stabilizer, a styrene-based monomer and a nitrile-based monomer to react, wherein the first mixture and second mixture comprise the stabilizer in a weight ratio of 1:1 to 3, respectively, and a polymer polyol produced according to the process.
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Gi Jung
Kim, Seulgi
Park, Jinwoo
Abstract
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kang, Eunsoo
Lee, Ha Jung
Choung, Sung Hun
Abstract
Provided in one embodiment of the present invention is a latex composition for dip molding, and a dip-molded product produced therefrom, the composition comprising: a copolymer latex obtained by polymerizing a monomer mixture comprising a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; and a polyester polyol.
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
C08G 63/12 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
KOREA KUMHO PETROCHEMICAL CO., LTD (Republic of Korea)
Inventor
Kang, Eunsoo
Lee, Ha Jung
Choung, Sung Hun
Abstract
An embodiment of the present specification provides a latex composition for dip-forming, comprising a copolymer latex obtained by polymerizing a monomer mixture of a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; and a polyester polyol, and a dip-formed article prepared therefrom.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Lee, Han Baek
Kim, Hoo-Chae
Park, June
Do, Seung Hyun
Choi, Bona
Abstract
Disclosed is a binder composition for an all-solid-state battery including a conjugated diene-based rubber polymer and a solvent, wherein a content of a cis bond in the conjugated diene-based rubber polymer is 90% by weight or more.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Abstract
The present disclosure relates a system of preparing a phthalonitrile-based compound using a continuous process, the preparation system including: a first reaction unit filled with a mixture including a phthalic acid-based compound and a nitrile-based compound; a second reaction unit connected to the first reaction unit; and a discharge unit connected to the second reaction unit, and in the second reaction unit, there is a fluid flow from the first reaction unit direction to the discharge unit direction, wherein the length of the second reaction unit in the fluid flow direction is 10 fold or more the mean square root of the cross-sectional area perpendicular to the fluid flow direction; and a method of preparing a phthalonitrile-based compound using the same.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Tae Hee
Ko, Jae Young
Abstract
An embodiment of the present specification provides a method of preparing a copolymer, which includes steps of: (a) adding a polymerization initiator to a monomer mixture including an aromatic vinyl-based monomer, a first conjugated diene-based monomer, and a farnesene monomer to initiate a reaction; and (b) adding a second conjugated diene-based monomer.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08F 236/22 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having three or more carbon-to-carbon double bonds
C08F 8/42 - Introducing metal atoms or metal-containing groups
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Jang, Sang Hun
Choi, Jung Hei
Abstract
A method of preparing a thiomethylphenol derivative is disclosed, the method including: (a) carrying out a primary reaction of a phenol derivative represented by the following Chemical Formula 2, a mercaptan derivative represented by R4SH, and paraformaldehyde at a reaction temperature T1 under conditions in which a heterocyclic base having 3 to 10 carbon atoms and an acid are simultaneously present; and (b) carrying out a secondary reaction at a reaction temperature T2 to prepare a thiomethylphenol derivative represented by the following Chemical Formula 1, wherein T1
C07C 323/16 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
C07C 315/02 - Preparation of sulfonesPreparation of sulfoxides by formation of sulfone or sulfoxide groups by oxidation of sulfides, or by formation of sulfone groups by oxidation of sulfoxides
43.
CATALYST FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBE AGGREGATE PRODUCED USING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeong, Chung Heon
Ryu, Sang Hyo
Kim, Hyun Tae
Lee, Wan Sung
Jeong, Myung Hoon
Jung, Woo Ram
Abstract
xyzz wherein Co stands for cobalt or an oxide or derivative thereof, M1 is at least one metal selected from among Al, Ca, Si, Ti, and Mg, or an oxide or derivative thereof, Zr stands for zirconium or an oxide or derivative thereof, M2 is at least one metal selected from among W, V, Mn, and Mo, or an oxide or derivative thereof, 0.2≤x/y≤2.6, and 6≤x/z≤13.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeong, Chung Heon
Ryu, Sang Hyo
Kim, Hyun Tae
Lee, Wan Sung
Jeong, Myung Hoon
Jung, Woo Ram
Abstract
xyzz wherein Co stands for cobalt or an oxide or derivative thereof, M1 is at least one metal selected from among Al, Ca, Si, Ti, and Mg, or an oxide or derivative thereof, Zr stands for zirconium or an oxide or derivative thereof, M2 is at least one metal selected from among W, V, Mn, and Mo, or an oxide or derivative thereof, 0.2≤x/y≤2.6, and 6≤x/z≤13.
C01B 32/162 - Preparation characterised by catalysts
C23C 16/442 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using fluidised bed processes
45.
Rubber composition for tire tread and manufacturing method thereof
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Kim, Hee Su
Abstract
An embodiment of the present invention provides a method for preparing a phthalonitrile-based compound, comprising: (a) feeding a mixture comprising a phthalic acid-based compound and a nitrile-based compound into a first reaction part to react; (b) transferring a resulting product of step (a) to a second reaction part connected to the first reaction part to react under the condition of 350 to 400° C.; and (c) obtaining a phthalonitrile-based compound at a discharge part connected to the second reaction part, wherein the second reaction part has a length in a fluid flow direction which is 10 times or more of a square root of an average cross-sectional area perpendicular to the fluid flow direction.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jeon, Jong Jin
Ahn, Duseong
Yang, Kun-Ho
Abstract
Disclosed are: a composition for latex polymerization; latex for dip molding, polymerized therefrom; and dip molded products using same, wherein the composition comprises a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, and an ionic compound, and has the ionic conductivity of 275 μs/cm or more.
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Jang, Jung Hee
Park, Je-Young
Cho, Nam Hyun
Abstract
An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A comprising the steps of:(a) heating a reactor into which bisphenol A, a solvent, and a ruthenium-supported catalyst are added; (b) causing a reaction while supplying hydrogen into the reactor; and (c) causing a reaction after blocking the hydrogen supply.
C07C 37/82 - SeparationPurificationStabilisationUse of additives by physical treatment by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by physical treatment by chemisorption
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Kim, Hee Su
Abstract
An embodiment of the present invention provides a method for preparing a phthalonitrile-based compound, the method comprising the steps of: (a) adding a mixture including a phthalic acid-based compound and a nitrile-based compound into a first reaction unit to cause a reaction; (b) transferring the product obtained in step (a) to a second reaction unit connected to the first reaction unit to cause a reaction under a condition of 350-400 °C; and (c) obtaining a phthalonitrile-based compound from a discharge unit connected to the second reaction unit, wherein the length of the second reaction unit in the direction of fluid flow is 10 times or more of the square root of the average cross-sectional area perpendicular to the direction of fluid flow.
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
C07C 255/51 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Jang, Jung Hee
Park, Je Young
Cho, Nam Hyun
Abstract
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.
C07C 29/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds in six-membered aromatic rings in non-condensed rings substituted with hydroxy groups
51.
STABILIZER, POLYMER POLYOL PREPARED USING SAME, AND PREPARATION METHOD THEREFOR
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Jinwoo
Kim, Gi Jung
Kim, Seulgi
Kim, Dong Ho
Choi, Yejin
Abstract
Disclosed herein are a polymer polyol stabilizer, a polymer polyol polymerized containing same, and a preparation method therefor, wherein the polymer polyol stabilizer is prepared through a reaction between: a polyol ranging in hydroxyl value from 5 to 100 mg KOH/g, with an ethylene oxide content of 50wt% or greater; and a reactive unsaturated compound bearing one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kang, Eunsoo
Han, Jeong Weon
Choung, Sung Hun
Abstract
Provided is a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing starch, an emulsifier and an inorganic solvent into the monomer mixture; and (c) preparing a copolymer latex by introducing a polymerization initiator, wherein the copolymer includes the starch in a main chain thereof.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Kim, Dong Eon
Abstract
Provided in one embodiment is a method for preparing a phthalonitrile-based compound, comprising the steps of: (a) preparing a mixture comprising a phthalic acid-based compound and a nitrile-based compound; and (b) reacting the mixture, wherein step (b) is performed under supercritical conditions of the nitrile-based compound.
C07C 253/02 - Preparation of carboxylic acid nitriles by reaction of nitrogen oxide with organic compounds
C07C 255/51 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton
54.
MOLDED CATALYST, PRODUCTION METHOD FOR SAME, AND METHOD FOR PRODUCING CYCLIC KETONE USING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Ji Won
Row, Kyoungho
Park, Jin Woo
Abstract
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choung, Sung Hun
Han, Jeong Weon
Kang, Eunsoo
Abstract
An exemplary embodiment provides a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing an additive including an inorganic solvent, an emulsifier and starch into the monomer mixture; and (c) preparing a copolymer latex by polymerizing the monomer mixture, wherein a content of the starch is 0.1 to 4.9 parts by weight with respect to 100 parts by weight of the monomer mixture.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choi, Namsun
Oh, Dong Hoon
Lim, Young Woo
Abstract
One embodiment of the present invention provides a rubber composition comprising: a rubber matrix; and a multi-walled carbon nanotube aggregate, wherein the multi-walled carbon nanotube aggregate is composed of multi-walled carbon nanotubes having an average number of walls of 12 or less.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Jang, Jung Hee
Park, Yuncheol
Abstract
Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition:
Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition:
wherein n is 0, 2, 4 or 6.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Ji Won
Row, Kyoungho
Park, Jin Woo
Abstract
The present specification relates to a molded catalyst, a production method for same, and a method for producing a cyclic ketone using same, comprising: (a) a step for producing a mixed powder comprising a catalyst powder and a binder; (b) a step for producing a slurry by mixing an alkali hydroxide aqueous solution into the mixed powder; and (c) a step for obtaining a molded catalyst by molding and heat treating the slurry.
B01J 21/10 - MagnesiumOxides or hydroxides thereof
B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
C07C 45/79 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
C07C 49/603 - Unsaturated compounds containing a keto group being part of a ring of a six-membered ring, e.g. quinone methides
59.
SYSTEM FOR MANUFACTURING PHTHALONITRILE-BASED COMPOUND AND METHOD FOR MANUFACTURING PHTHALONITRILE-BASED COMPOUND USING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Abstract
Disclosed are a system for manufacturing a phthalonitrile-based compound using a continuous process and a method for manufacturing a phthalonitrile-based compound using same, the system comprising: a first reaction unit that is filled with a mixture containing a phthalonitrile-based compound and a nitrile-based compound; a second reaction unit that is connected to the first reaction unit; and a discharge unit that is connected to the second reaction unit, wherein in the second reaction unit, a fluid flow exists in a direction from the first reaction unit to the discharge unit, and the length of the second reaction unit in the direction of the fluid flow is 10 times or more of the square root of the average cross-sectional area perpendicular to the direction of the fluid flow.
C07C 253/02 - Preparation of carboxylic acid nitriles by reaction of nitrogen oxide with organic compounds
C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton
C07C 315/02 - Preparation of sulfonesPreparation of sulfoxides by formation of sulfone or sulfoxide groups by oxidation of sulfides, or by formation of sulfone groups by oxidation of sulfoxides
C07C 323/18 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
61.
Rubber polymer, method for preparing thereof, and rubber composition comprising the same
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Lee, Han Baek
Kim, Hoo-Chae
Lee, Seung-Hwon
Do, Seung Hyun
Joe, Daejune
Abstract
Disclosed are a rubber polymer including a unit structure derived from a conjugated diene-based monomer and at least one of compounds represented by Chemical Formula 1 to Chemical Formula 4, a method of preparing the same, and a rubber composition including the same.
C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
C08C 19/20 - Incorporating sulfur atoms into the molecule
C08C 19/25 - Incorporating silicon atoms into the molecule
C08C 19/26 - Incorporating metal atoms into the molecule
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Gi Jung
Kim, Seulgi
Park, Jinwoo
Abstract
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.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Oh, Dong Hoon
Choi, Namsun
Lim, Young Woo
Abstract
An embodiment of the present invention provides a racing tire rubber composition comprising: 30-60 wt % of rubber, 10-30 wt % of carbon black, 1-20 wt % of carbon nanotubes, and 10-50 wt % of oil; and a method for manufacturing same.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Choung, Sung Hun
Jeon, Jong Jin
Yang, Kun-Ho
Abstract
According to an exemplary embodiment of the present invention, provided is a latex composition for dip molding, which includes a copolymer latex formed by polymerizing an isoprene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer, wherein a dip-molded article made of the latex composition for dip molding exhibits a durability test result of 45 minutes or more.
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
C08F 236/14 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated containing elements other than carbon and hydrogen
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Jang, Jung Hee
Park, Yuncheol
Abstract
Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition:
wherein n is 0, 2, 4 or 6.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Jae Yun
Jung, Yeong Min
Park, Soo Jung
Noh, Eun Kyung
Kang, Dong Eun
Abstract
Proposed is a rubber composition for a tire tread, which includes: a solution-polymerized elastomer having a conjugated diene-based monomer unit, a solution-polymerized elastomer having an aromatic vinyl monomer unit and a conjugated diene-based monomer unit, or a combination thereof, at 100 parts by weight; and a plasticizer containing an aromatic petroleum resin and an aliphatic olefin polymer, at 10 to 50 parts by weight. Further, a manufacturing method of the rubber composition for a tire tread is proposed.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
69.
Method for manufacturing multi-wall carbon nanotubes using continuous type process
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ryu, Sang Hyo
Sung, Hyun Kyung
Jeong, Chung Heon
Kim, Dong Hwan
Abstract
A method for manufacturing multi-wall carbon nanotubes, includes the steps of: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) perform thermal decomposition while spraying the precursor solution into a reactor, thereby forming a catalyst powder; and (c) introducing the catalyst powder into a fluidized-bed reactor heated to 600-900° C. and spraying a carbon-based gas and a carrier gas to synthesize multi-wall carbon nanotubes from the catalyst powder, wherein steps (a) to (c) are performed in a continuous type and wherein the catalyst powder contains metal components according to equation 1 below. Ma:Mb=x:y, wherein Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0≤x≤7.5, and 2.5≤y≤8.0.
C01B 32/162 - Preparation characterised by catalysts
B01J 8/24 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles according to "fluidised-bed" technique
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
B82Y 40/00 - Manufacture or treatment of nanostructures
70.
Rubber composition for tires including carbon nanotubes, and method for producing same
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choi, Nam Sun
Oh, Dong Hoon
Ryu, Sang Hyo
Jeong, Chung Heon
Abstract
An embodiment of the present invention provides a rubber composition for tires and a method for producing same, wherein the rubber composition for tires includes: carbon nanotubes including structural defects on at least a portion of the surface and having a thermal decomposition temperature equal to or less than 600° C.; and a rubber matrix.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Ahn, Du Seong
Kwag, Gwanghoon
Suh, Jae Kon
Abstract
A composition for seeded polymerization includes: a seed copolymer which has a compound having dithioate, a mercaptan compound, a first aromatic vinyl monomer, and a first conjugated diene monomer, and has an average particle diameter of 10-30 nm; a second aromatic vinyl monomer; and a second conjugated diene monomer.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
B60C 11/00 - Tyre tread bandsTread patternsAnti-skid inserts
72.
System for producing 1,3-butadiene and method of producing 1,3-butadiene using the system
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Row, Kyoung Ho
Yun, Yong Hee
Park, Jin Woo
Kim, Jae Woo
Abstract
One aspect of the present disclosure provides a system for producing 1,3-butadiene, which includes: a first supply unit, by which a first feed including a butene raw material, oxygen and steam is supplied; a second supply unit, by which a second feed including a butene raw material and oxygen is supplied; and a reaction unit, which includes a catalyst fixed bed and in which an oxidative dehydrogenation reaction takes place, wherein the first supply unit is connected to a front end of the reaction unit, and the second supply unit is connected to an intermediate end of the reaction unit.
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
C07C 5/48 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
C07C 5/32 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Ahn, Du Seong
Kwag, Gwanghoon
Suh, Jae Kon
Abstract
A composition for seeded polymerization includes: a compound having dithioate; a mercaptan compound; an aromatic vinyl monomer; and a conjugated diene monomer.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
C08K 5/36 - Sulfur-, selenium-, or tellurium-containing compounds
C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Oh, Dong Hoon
Choi, Namsun
Lim, Young Woo
Abstract
An embodiment of the present invention provides a racing tire rubber composition comprising: 30-60 wt% of rubber, 10-30 wt% of carbon black, 1-20 wt% of carbon nanotubes, and 10-50 wt % of oil; and a method for manufacturing same.
C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
75.
ADDITIVE COMPOSITION AND METHOD FOR PREPARING SAME
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Jang, Jung Hee
Park, Yuncheol
Cho, Nam Hyun
Abstract
According to an aspect of the present invention, an additive composition comprises a fixed amount of alpha methyl styrenated phenol, and thus can be used together with a main agent part or a curing agent part for paint and can inhibit the problem of discoloration.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Roh, Kee Yoon
Jang, Jung Hee
Park, Yun Cheol
Cho, Nam Hyun
Abstract
An additive composition includes a specific amount of α-methylstyrenated phenol, can be mixed with a main material part or curing agent part for paint, and can suppress the occurrence of a discoloration issue.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ryu, Sang Hyo
Sung, Hyun Kyung
Jeong, Chung Heon
Kim, Dong Hwan
Abstract
Provided is a catalyst for manufacturing multi-wall carbon nanotubes, the catalyst including metal components according to Ma:Mb=x:y, and having a hollow structure with a thickness of 0.5-10 μm. In the above equation, Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0≤x≤7.5, and 2.5≤y≤8.0.
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Jae Yun
Jung, Yeong Min
Park, Soojung
Abstract
A method of manufacturing a rubber composition is provided. The method includes: (a) allowing a mixture including a conjugated diene-based monomer to react in the presence of a first catalyst; (b) introducing a carboxylic acid-based compound into the product of the step (a) to deactivate the first catalyst; and (c) introducing a second catalyst and a conjugated diene-based monomer into the product of the step (b) and allowing the second catalyst and the conjugated diene-based monomer to react with the product of the step (b).
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Roh, Kee Yoon
Cho, Nam Hyun
Jang, Jung Hee
Park, Yuncheol
Abstract
An embodiment of the present invention provides an epoxy reactive diluent, wherein in an epoxy reactive diluent composition, the content of a compound represented by chemical formula 1 below is 85 wt% or more relative to a total weight of the composition. [Chemical formula 1] In chemical formula 1, n is 0, 2, 4, or 6.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Cho, Hanjoung
Ko, Jae Young
Kim, Tae Hee
Park, Cheol Min
Abstract
Provided is a copolymer composed of an aromatic vinyl monomer, a conjugated diene monomer, and a functional monomer including two or more nitrogen atoms and a method of preparing the copolymer.
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08F 236/14 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated containing elements other than carbon and hydrogen
C08L 55/00 - Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
81.
Method of preparing high solids content polymer polyols having low viscosity
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Gi Jung
Kim, Seul Gi
Huh, Seung Moo
Park, Jin Woo
Abstract
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.
C08G 18/63 - Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
C08L 25/12 - Copolymers of styrene with unsaturated nitriles
C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Gi Jung
Kim, Seul Gi
Huh, Seung Moo
Abstract
Provided is a method of preparing a polymer polyol including steps of (a) respectively batchwise feeding a polyol and a monomer in a weight ratio of 40 to 60:40 to 60 into a reactor to prepare a mixture; and (b) polymerizing the mixture for 1 to 5 hours to prepare monodispersed particles.
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08G 18/63 - Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Lee, Hae Ri
Lee, Jin Hee
Bang, Han Bae
Lee, Bum Suk
Ma, Ki Young
Abstract
A method for manufacture of foaming polystyrene particles comprises the steps of: dissolving styrene monomers, a styrene resin, expanded graphite, and a bulk polymerization initiator in a reactor to prepare organic phase polystyrene ; subjecting the organic phase polystyrene to bulk polymerization; mixing deionized water, a dispersant, and a surfactant to prepare an aqueous phase mixture; feeding a suspension polymerization initiator and the aqueous phase mixture to the reactor to conduct suspension polymerization to prepare polystyrene particles; and feeding a foaming agent to the reactor to prepare foaming polystyrene particles.
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Choi, Nam Sun
Oh, Dong Hoon
Ryu, Sang Hyo
Jeong, Chung Heon
Abstract
An embodiment of the present invention provides a rubber composition for tires and a method for producing same, wherein the rubber composition for tires includes: carbon nanotubes including structural defects on at least a portion of the surface and having a thermal decomposition temperature equal to or less than 600ºC; and a rubber matrix.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Park, June
Ko, Jae Young
Abstract
According to an embodiment of the present invention, there is provided a method of preparing a copolymer which includes (a) polymerizing an aromatic vinyl monomer and a conjugated diene-based monomer in the presence of a solvent, a first randomizing agent, and a catalyst to prepare a first copolymer including the aromatic vinyl monomer in an amount of 15 to 40 wt %; and (b) reacting the first copolymer with one or more of a second randomizing agent different from the first randomizing agent and an additional aromatic vinyl monomer to prepare a second copolymer.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 4/48 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from alkali metals selected from lithium, rubidium, caesium, or francium
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
86.
Method of preparing rubber composition including syndiotactic 1,2-polybutadiene
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Jae Yun
Jung, Yeong Min
Abstract
Provided is a method of preparing a rubber composition, which includes (a) reacting a conjugated diene-based monomer with one or more of compounds in the presence of a first catalyst; (b) adding a conjugated diene-based monomer to a product of the step (a) and inducing a reaction; and (c) adding a second catalyst and a conjugated diene-based monomer to a product of the step (b) and inducing a reaction.
C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
C08F 4/602 - Component covered by group with an organo-aluminium compound
C08F 4/609 - Catalysts containing a specific non-metal or metal-free compound organic
C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08F 4/12 - Metallic compounds other than hydrides and other than metallo-organic compoundsBoron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium, or rare earths
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
C08F 4/54 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides together with other compounds thereof
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Yun Jung
Kim, Jae Woo
Yun, Yong Hee
Park, Ji Won
Row, Kyoung Ho
Abstract
According to an embodiment of the present invention, there are provided a catalytic body, a method of manufacturing the same, and a method of preparing 1,3-butadiene using the same. The catalytic body includes an inactive support; an intermediate layer disposed on a surface of the inactive support; and an active layer disposed on a surface of the intermediate layer, wherein the active layer includes catalyst powder and a binder.
C07C 5/32 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Yun Jung
Kim, Jae Woo
Yun, Yong Hee
Park, Ji Won
Row, Kyoung Ho
Abstract
An embodiment of the present invention provides: a catalyst molded product including an inert support, an intermediate layer positioned on the surface of the inert support, and an active layer positioned on the surface of the intermediate layer, wherein the active layer includes a catalyst powder and a binder; a method for producing same; and a 1,3-butadiene production method using same.
C07C 5/48 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Kim, Jae Yun
Jung, Yeong Min
Abstract
According to an embodiment of the present invention, there is provided a method of preparing a rubber composition, which includes (a) synthesizing a living polymer by solution polymerization of a monomer mixture including a conjugated diene-based monomer in the presence of a first catalyst; (b) reacting some ends of the living polymer with a coupling agent; (c) reacting the remaining ends of the living polymer with an organotin halide compound to prepare an end-modified conjugated diene-based polymer solution; and (d) adding a second catalyst and a conjugated diene-based monomer to the end-modified conjugated diene-based polymer solution to induce solution polymerization.
C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCompositions of derivatives of such polymers
C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
C08C 19/44 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C07C 29/145 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of ketones with hydrogen or hydrogen-containing gases
B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
C07C 29/143 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of ketones
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Park, Ji Won
Yun, Yong Hee
Row, Kyoung Ho
Abstract
One aspect of the present invention provides a metal oxide catalyst which is involved in a hydrogenation reaction for converting ketones into alcohol, wherein the metal oxide catalyst is a metal oxide catalyst having a spinel structure of following formula (1), a method for producing the same, and a method for producing alcohol using the same. XAl2O4, wherein X is nickel or copper.
B01J 23/70 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper
B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
C07C 29/132 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group
92.
METHOD FOR MANUFACTURING MULTI-WALL CARBON NANOTUBES USING CONTINUOUS TYPE PROCESS
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ryu, Sang Hyo
Sung, Hyun Kyung
Jeong, Chung Heon
Kim, Dong Hwan
Abstract
An embodiment of the present invention provides a method for manufacturing multi-wall carbon nanotubes, the method comprising the steps of: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) perform thermal decomposition while spraying the precursor solution into a reactor, thereby forming a catalyst powder; and (c) introducing the catalyst powder into a fluidized-bed reactor heated to 600-900°C and spraying a carbon-based gas and a carrier gas to synthesize multi-wall carbon nanotubes from the catalyst powder, wherein steps (a) to (c) are performed in a continuous type and wherein the catalyst powder contains metal components according to equation 1 below. Ma:Mb = x:y, wherein Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y = 10, 2.0≤x≤7.5, and 2.5≤y≤8.0.
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 8/18 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles
93.
CATALYST FOR MASS PRODUCTION OF MULTI-WALL CARBON NANOTUBES
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ryu, Sang Hyo
Sung, Hyun Kyung
Jeong, Chung Heon
Kim, Dong Hwan
Abstract
An embodiment of the present invention provides a catalyst for manufacturing multi-wall carbon nanotubes, the catalyst comprising metal components according to Ma:Mb = x:y, and having a hollow structure with a thickness of 0.5-10 ㎛. In the above equation, Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y = 10, 2.0≤x≤7.5, and 2.5≤y≤8.0.
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Jung, Woo Ram
Kim, Dong Hwan
Kim, Sung Ryul
Lee, Hee Myung
Abstract
An embodiment of the present invention provides conductive gloves each comprising: a glove; and a coating layer formed on at least a portion of a surface of the glove, wherein the coating layer is formed by coating and drying a conductive composition containing a carbon nanotube dispersion and an elastomer, and the carbon nanotube dispersion contains 1-10 wt% of carbon nanotubes, 0.1-10 wt% of a first surfactant, and a first solvent as the balance.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
D06M 11/74 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphiteTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbidesTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with graphitic acids or their salts
95.
Method for preparing a solution of a rare-earth alkyl phosphate
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Lee, Hyung Jae
Heo, Ji Hyun
Abstract
Disclosed is a method of preparing a rare-earth alkyl phosphate solution, the method including step (a) of preparing an alkyl phosphate amine salt solution by reacting an organic amine with an alkyl phosphate in a first solvent; step (b) of preparing a rare-earth metal salt solution by reacting a rare-earth metal oxide with an acid in the second solvent; and step (c) of mixing and reacting the alkyl phosphate amine salt solution with the rare-earth metal salt solution.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Ryu, Sang Hyo
Sung, Hyun Kyung
Jeong, Chung Heon
Kim, Dong Hwan
Abstract
The present invention relates to a catalyst and a continuous process for mass production of multi-walled carbon nanotube. More particularly, it relates to a catalyst for mass production of multi-walled carbon nanotube as well as a continuous process for the mass production of multi-walled carbon nanotube.
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Cho, Hanjoung
Ko, Jae Young
Kwon, Min Sung
Lee, Dae Hyung
Noh, Eun Kyung
Park, Cheol Min
Ji, Sang Chul
Abstract
One aspect of the present invention provides an end-modified conjugated diene polymer represented by Formula 1 below:
20 saturated or unsaturated hydrocarbon chains; X is carbon (C), silicon (Si), or nitrogen (N); a is 1 or 2; and n is an integer of 1 to 200, and a method for preparing the same.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08C 19/22 - Incorporating nitrogen atoms into the molecule
C08C 19/25 - Incorporating silicon atoms into the molecule
C08C 19/44 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
98.
Electroconductive resin composition and molded product thereof
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Hwang, Ho Soo
Lee, Wan Sung
Abstract
An electroconductive resin composition and a molded product thereof. The electroconductive resin includes 100 parts by weight of a thermoplastic polymer resin; 0.5 to 5 parts by weight of a carbon nanotube aggregate formed of a plurality of carbon nanotubes having an average outer diameter of 8 to 50 nm and an average inner diameter that is 40% or more of the average outer diameter; and 5 to 15 parts by weight of carbon black.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
Oh, Dong Hoon
Sung, Hyun Kyung
Ryu, Sang Hyo
Jeong, Chung Heon
Kim, Ki Hong
Kim, Dong Hwan
Abstract
According to one aspect of the present invention, carbon nanotubes whose diameter, length, crystallinity, purity and the like are adjusted to predetermined ranges are added to a thermoplastic resin, and thus the thermoplastic resin can be provided with improved electrical conductivity.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
Kim, Ho Soo
Lee, Sup Joo
Kim, Hyung Jin
Jung, Joon Hee
Abstract
An embodiment of the present invention provides a thermoplastic resin composition comprising: 10-35 wt% of a first graft copolymer resin, in which 55-65 parts by weight of a diene-based rubber polymer and 35-45 parts by weight of a monomer mixture are graft polymerized, the monomer mixture having an aromatic vinyl monomer and a vinyl cyano monomer mixed respectively at a weight ratio of 60-80:20-40; 10-30 wt% of a first copolymer resin in which an aromatic vinyl monomer and a vinyl cyano monomer are mixed respectively at a weight ratio of 60-80:20-40; 30-75 wt% of a polycarbonate resin; and 2-8 wt% of a conductive filler.
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
C08L 25/12 - Copolymers of styrene with unsaturated nitriles
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates