The present specification relates to an antibacterial resin and a molded body comprising same, the antibacterial resin comprising a copolymer comprising a first unit derived from styrene and a second unit derived from a monomer represented by chemical formula 1, the weight-average molecular weight of the copolymer being 10,000-1,000,000 g/mol.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
The present specification provides an organic light-emitting device comprising a compound represented by chemical formula 1 and a compound represented by chemical formula 2 or chemical formula 3.
The present invention provides a method for drying wet powder by using a fluidized bed dryer. The drying method includes the steps of: (S1) dividing a lower gas chamber into two or more sections, in a fluidized bed dryer including a gas distribution plate provided with multiple holes, and an upper drying chamber and the lower gas chamber divided by the gas distribution plate; (S2) raising the internal temperature of the upper drying chamber and then supplying wet powder through an inlet port provided at a side of the upper drying chamber; and (S3) supplying fluidized gas at different flow velocities into the two or more sections of the lower gas chamber by using an external blower and introducing the fluidized gas having the different flow velocities into corresponding areas of the upper drying chamber through the gas distribution plate to perform drying of the wet powder.
F26B 3/08 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
F26B 3/10 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
F26B 17/10 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle
F26B 17/14 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity the materials moving through a counter-current of gas
The present application can provide a polymer, an adhesive comprising same, a method for preparing the polymer, and use of the polymer or the adhesive. The present application can provide a polymer capable of forming a material with an excellent antistatic function, a preparation method therefor, and use of the polymer. The present application can provide the polymer, the preparation method therefor and use of the polymer, which can exhibit an antistatic function without the addition of a separate antistatic agent, causing no bleeding out of a component exhibiting the antistatic function, is easily stored, and can stably maintain the performance of an adhesive after being applied to a corresponding adhesive and the like.
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
C09J 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
The present invention provides a method for preparing a cracking furnace fuel, comprising the steps of: preparing a first methane off-gas stream derived from a liquid cracking furnace and a second methane off-gas stream derived from a gas cracking furnace; diverting some of the first methane off-gas stream to a methane off-gas exhaust stream, and obtaining a first fuel gas stream from the rest; obtaining a second fuel gas stream from the second methane off-gas stream; mixing the first and second fuel gas streams, thereby preparing a mixed fuel gas stream; and mixing the mixed fuel gas stream with a hydrogen gas stream.
C10K 3/06 - Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by mixing with gases
The present invention relates to a thermoplastic resin composition, a preparation method therefor and a molded article comprising same, and, according to the present invention, the effect is gained of providing a thermoplastic resin composition and a molded article thereof, the thermoplastic resin composition having fluidity and weather resistance that are equivalent or superior to those of conventional ASA resin, and having the generation of flow marks suppressed, thereby having excellent exterior quality.
C08L 25/12 - Copolymers of styrene with unsaturated nitriles
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
7.
COPOLYMER, ANTIMICROBIAL DEODORANT COMPOSITION COMPRISING SAME, AND METHOD FOR PRODUCING SAME
The present specification relates to a copolymer comprising a first unit derived from starch and a second unit derived from a compound represented by chemical formula 1, an antibacterial deodorant composition comprising the copolymer, and a method for producing same.
C08L 51/02 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to polysaccharides
C08L 101/00 - Compositions of unspecified macromolecular compounds
C08F 255/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group on to polymers of olefins having two or three carbon atoms
C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
The present specification relates to a compound and a molded body comprising same, the compound, represented by chemical formula 1, dissolving at room temperature in at least two of ether, toluene, and ethyl acetate.
C07C 219/20 - Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated
A01N 37/44 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio-analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio-analogue of
The present invention relates to: a catalyst for manufacturing a carbon nanotube comprising a support, a first active layer formed on the surface of the support, and a second active layer formed on the surface of the first active layer, wherein the first active layer comprises cobalt oxide and the second active layer comprises aluminum oxide; and a method for producing a carbon nanotube using the catalyst. The catalyst of the present invention can synthesize low-diameter carbon nanotubes more uniformly and efficiently.
The present specification relates to a polycarbonate resin having a relaxation time of 2-15 seconds at 250°C and a residual phenol content of 3000ppm or less.
C08G 64/00 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
C08G 64/16 - Aliphatic-aromatic or araliphatic polycarbonates
C08G 64/30 - General preparatory processes using carbonates
13.
RESIN COMPOSITION AND BIODEGRADABLE RESIN MOLDED PRODUCT COMPRISING SAME
The present invention relates to a resin composition and a biodegradable resin molded product comprising same. The resin composition of the present invention can exhibit excellent mechanical properties while maintaining inherent biodegradability of polybutylene adipate terephthalate or polylactic acid.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
2422) to a reactor; and contacting, in the reactor, the mixed feed with a catalyst, wherein expression 1 is satisfied. [Expression 1] 0.05 < a/b ≤ 0.3, wherein, in expression 1, a represents the volume of hydrogen in the mixed feed, and b represents the volume of methane in the mixed feed.
C01B 3/38 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
The present invention relates to an electrolysis device comprising: an electrolysis stack in which at least one electrolytic cell including an anode, a cathode, a separator and an electrolyte solution is stacked; an anode inlet part connected to the anode so as to transfer the electrolyte solution; and a cathode outlet part connected to the cathode so as to discharge products and unreacted reactants from the cathode, wherein back pressure is applied to the products and the unreacted reactants, which are discharged through the cathode outlet part.
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
The present invention relates to a lithium metal battery having improved lifespan and improved stability, and to a lithium metal battery comprising: a positive electrode; a lithium metal negative electrode; a separator disposed between the positive electrode and the lithium metal negative electrode; and a nonaqueous electrolyte solution containing an organic solvent, a lithium salt, and a compound represented by chemical formula I as described in the present specification.
The present application relates to: a resin comprising a unit represented by chemical formula 1 and a unit represented by chemical formula 2; a method for preparing same; a resin composition comprising same; and a molded article comprising the resin composition.
C08G 64/16 - Aliphatic-aromatic or araliphatic polycarbonates
C08G 64/08 - Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
C08G 64/30 - General preparatory processes using carbonates
C08G 63/66 - Polyesters containing oxygen in the form of ether groups
C08G 63/64 - Polyesters containing both carboxylic ester groups and carbonate groups
18.
POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION, METHOD FOR MANUFACTURING SAME, AND MOLDED ARTICLE COMPRISING SAME
The present invention relates to a polybutylene terephthalate resin composition, a method for manufacturing same, and a molded article comprising same. The polybutylene terephthalate resin composition according to the present invention simultaneously improves an injection solidification speed and impact strength, which are in a trade-off relationship, by changing a material used, thus satisfying the balance of physical properties such as mechanical properties, fluidity, heat resistance, etc., and providing excellent product reliability and aesthetic quality.
The present invention provides a method for preparing superabsorbent polymer particles, comprising the steps of: supplying, into a polymerization reactor, a composition comprising a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups, an internal cross-linking agent, and a polymerization initiator, and performing a polymerization reaction thereof to thereby obtain a hydrogel polymer; primary drying of the hydrogel polymer in a hot-air dryer to obtain a primary dried body; secondary drying of the primary dried body in a heat conduction-type dryer to obtain a secondary dried body; and pulverizing the secondary dried body to thereby obtain superabsorbent polymer particles.
C08F 20/06 - Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
F26B 3/18 - Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
F26B 3/02 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
20.
NOVEL COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
H10K 85/60 - Organic compounds having low molecular weight
H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
The present specification relates to an ink composition comprising a compound represented by chemical formula 1, a first solvent represented by chemical formula 2, and a second solvent represented by chemical formula 3.
The present invention relates to: a ligand compound having a novel structure; an organic chromium compound; a catalyst composition comprising the organic chromium compound; and an ethylene oligomerization method using same, the ligand compound exhibiting high 1-hexene and 1-octene selectivity while exhibiting high catalyst activity such that ethylene oligomerization can be performed with excellent efficiency.
B01J 31/34 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups of chromium, molybdenum or tungsten
The present invention relates to an antifouling article. More specifically, the present invention relates to an antifouling article capable of preventing fouling caused by an inorganic chloride.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08G 77/18 - Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
C08G 77/24 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen halogen-containing groups
C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon
The present invention relates to a super absorbent polymer which not only has an excellent absorption rate, but also has a low level of rewetting and leakage when applied to products such as diapers and has an excellent absorption capacity.
METHOD FOR EVALUATING QUALITY OF POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE
22 in the Raman spectrum of the surface of the positive electrode active material satisfies preset criteria for the quality evaluation of a positive electrode active material; a positive electrode active material which is determined as a good product by the method and can further improve the performance of a battery; and a method for manufacturing a positive electrode, comprising a step of evaluating the quality of a positive electrode active material by the method for evaluating the quality of a positive electrode active material.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
The present invention relates to: an encapsulant film composition including: an ethylene/alpha-olefin copolymer; an encapsulant film; and a solar cell module.
The present invention relates to a thermoplastic resin composition and an automobile interior part manufactured therefrom. Employing materials different from those conventionally used, the thermoplastic resin composition according to the present invention has enhanced heat resistance and impact resistance, satisfies property balances with mechanical properties, fluidity, and the like, and provides excellent product reliability and appearance quality.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 25/10 - Copolymers of styrene with conjugated dienes
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
The present invention provides a method for preparing a recycled acrylonitrile-butadiene-styrene (ABS) resin, comprising the steps of: preparing an extrusion feed including an ABS-based resin, which comprises a polyurethane, and a metal carboxylate or a hydrate of the metal carboxylate; and supplying the extrusion feed to an extruder, thereby depolymerizing the polyurethane and extruding the extrusion feed, wherein the master index (M) value satisfies 0.2≤M≤0.6.
C08J 11/22 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
The present invention provides a method for preparing recycled polymers, the method comprising the steps of: bringing a recovered polymer containing an additive into contact with an impregnation solvent in an impregnation tank to obtain a slurry containing a swollen polymer and an eluate; separating the slurry into a solid-phase mixture containing the swollen polymer and a liquid-phase mixture containing the eluate by using a solid-liquid separator; obtaining a recycled polymer from the solid-phase mixture and recovering the additive from the liquid-phase mixture, wherein the impregnating solvent is a mixture solvent of two or more solvents.
The present invention pertains to a thermoplastic resin composition comprising: a diene-based graft polymer; a vinyl-based non-grafted polymer including a vinyl aromatic monomer unit that is substituted with an alkyl group and a vinyl cyanide-based monomer unit; a first maleimide-based non-grafted polymer including a maleimide-based monomer unit, a vinyl aromatic monomer unit that is not substituted with an alkyl group, and a vinyl cyanide-based monomer unit; and a second maleimide-based non-grafted polymer including a maleimide-based monomer unit and a vinyl aromatic monomer unit that is not substituted with an alkyl group, wherein the first maleimide-based non-grafted polymer has a lower glass transition temperature than the second maleimide-based non-grafted polymer.
C08L 25/12 - Copolymers of styrene with unsaturated nitriles
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
C08L 35/04 - Homopolymers or copolymers of nitriles
The present specification discloses a composition which is applied to products or elements that, during operation, storage, and/or maintenance thereof, generate heat or could ignite or explode, and thus can effectively counteract the heat, ignition, and explosion. For example, the composition may be applied to an article comprising a plurality of such products or elements, and thus can counteract abnormal heat generation, explosion, and ignition from any one element or product and prevent or minimize the propagation of such heat, explosion, and ignition to other adjacent elements or products. The composition also exhibits excellent manageability and storage stability. The present specification may also provide uses of the composition.
A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
A62D 1/06 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/24 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
H01M 50/682 - Containers for storing liquids; Delivery conduits therefor accommodated in battery or cell casings
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
Disclosed in the present specification is a composition applied to a product or device that generates heat or has the potential to ignite or explode while being operated, stored and/or maintained, so as to be capable of effectively responding to the heat, ignition and explosion. For example, the composition is applied to an item comprising a plurality of the products or devices, so as to be capable of responding to abnormal heat, ignition and explosion that occur in any one device or product, and so as to prevent or minimize the propagation of the heat, ignition and explosion to other adjacent devices or products. The composition also exhibits excellent handling and storage stability. The present specification can also provide use of the composition.
A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
A62D 1/06 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/24 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
H01M 50/682 - Containers for storing liquids; Delivery conduits therefor accommodated in battery or cell casings
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
The present specification discloses a composition which is applied to products or elements that, during operation, storage, and/or maintenance thereof, generate heat or could ignite or explode, and thus can effectively counteract the heat, ignition, and explosion. For example, the composition may be applied to an article comprising a plurality of such products or elements, and thus can counteract abnormal heat generation, explosion, and ignition from any one element or product and prevent or minimize the propagation of such heat, explosion, and ignition to other adjacent elements or products. The composition also exhibits excellent manageability and storage stability. The present specification may also provide uses of the composition.
A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
A62D 1/06 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/24 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
H01M 50/682 - Containers for storing liquids; Delivery conduits therefor accommodated in battery or cell casings
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
34.
POLYETHYLENE COMPOSITION AND BIAXIALLY STRETCHED FILM COMPRISING SAME
The present invention relates to a polyethylene composition which retains excellent mechanical properties and is suitable for a biaxially stretched film owing to excellent stretching stability and high shrinkage resistance.
The present invention relates to an ink composition, an organic material layer comprising same, and an organic light-emitting device comprising the organic material layer.
The present specification discloses a geometric phase optical element, a method for manufacturing same, and use thereof. The present specification discloses a geometric phase optical element suppressed to have no or very little wavelength dependence, a method for manufacturing same, and use thereof. The present specification discloses: a geometric phase optical element with no or little wavelength dependence by using a liquid crystal compound having a specific structure, controlling the thickness of a liquid crystal layer, and adjusting a manufacturing method; a method for manufacturing same; and use thereof.
G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
The present invention relates to: a polyethylene composition which maintains excellent mechanical properties, productivity, and printability, and is suitable for a biaxially stretched film with excellent stretching stability and high shrinkage resistance; and a biaxially stretched film comprising same.
The present invention relates to an evaluation device and an evaluation method for the thermal shrinkage of a separator, which enable the thermal shrinkage of a separator to be easily evaluated.
G01N 25/16 - Investigating or analysing materials by the use of thermal means by investigating thermal coefficient of expansion
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/16 - Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
40.
CATALYST FOR PREPARING UNSATURATED CARBOXYLIC ACIDS AND DERIVATIVES THEROF
The present invention provides a catalyst for preparing unsaturated carboxylic acids and derivatives thereof, which can be used to produce unsaturated carboxylic acids and derivatives thereof at high yields for a long time during the dehydration reaction of hydroxycarboxylic acids or derivatives thereof.
B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups
The present invention relates to: a polyethylene composition which retains excellent mechanical properties and is suitable for a biaxially stretched film owing to excellent stretching stability and high shrinkage resistance; and a biaxially stretched film comprising same.
The present invention relates to an ink composition, an organic material layer comprising same, and an organic light-emitting device comprising the organic material layer.
The present invention provides a method for preparing acrylic acid, comprising the steps of: obtaining a reaction product including unreacted lactic acid, water, light gas components, and acrylic acid, by supplying a lactic acid aqueous solution to a reactor to undergo a dehydration reaction; separating into a lower fraction containing unreacted lactic acid and an upper fraction containing water, light gas components, and acrylic acid, by supplying the reaction product to a first cooling tower; separating into a lower fraction containing water and acrylic acid, by suppling the upper fraction of the first cooling tower to a second cooling tower; and obtaining acrylic acid by purifying the lower fraction of the second cooling tower.
C07C 51/46 - Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
C07C 51/487 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
The present invention relates to a polybutylene terephthalate resin composition, a method for manufacturing same, and a molded product manufactured therefrom. The present invention provides an excellent physical property balance between mechanical strength and flame retardancy at a level equivalent to or higher than that of a polyester resin composite material including a halogen-based flame retardant, has excellent fluidity and processability, and is especially suitable as a material for automotive electrical components.
The present invention relates to a porous polymer particle and a protein purification column using same, the particle comprising a polymer matrix and pores, which are dispersed in the polymer matrix and have a diameter of 50-500 nm, wherein the amount of epoxy included in 1g of the porous polymer particle is 500 umol or more and less than 5000 umol.
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
The present application provides a curable composition, a thermal interface material (TIM), and a use thereof. In the present application, it is possible to enable the curable composition or thermal interface material to exhibit high thermal conductivity and low adhesion with respect to a certain adherend. In addition, in the present application, it is possible to achieve the low adhesion without using an adhesion adjusting component such as a plasticizer, or while minimizing the use ratio of the adhesion adjusting component. In the present application, it is also possible to enable the curable composition to exhibit a precisely controlled curing speed and at the same time have excellent curing properties. In the present application, it is additionally possible to provide a product comprising the curable composition, a cured body thereof, or a thermal interface material.
C07C 219/20 - Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
48.
SOLID ELECTROLYTE PREPARATION METHOD AND SOLID ELECTROLYTE
The present invention relates to a sulfide-based solid electrolyte preparation method and a sulfide-based solid electrolyte prepared thereby, the method comprising the steps of: (A) preparing a reaction mixture by pulverizing each of sulfide-based solid electrolyte raw materials, and then mixing same; (B) processing the reaction mixture into a pellet shape by compressing same; and (C) preparing a fired product by firing the pellet-shaped reaction mixture.
The present invention relates to a method for manufacturing a solid electrolyte, the method including the steps of (S1) mixing sulfide-based solid electrolyte raw materials with a solvent to prepare a precursor mixture and (S2) thermally treating the precursor mixture, wherein the solvent has a relative polarity to water of 0.15 or less, with the content thereof ranging 2 wt% (exclusive) to 5 wt% (inclusive) on the basis of the total weight of the precursor mixture.
The present invention provides a method for preparing acrylic acid, the method comprising the steps of: feeding an aqueous solution of lactic acid to a reactor, followed by dehydration, to obtain a first reaction product containing lactic acid, a lactic acid dimer, water, and acrylic acid; feeding the first reaction product to a first cooling tower and separating the first reaction product into a first cooling tower bottom fraction containing lactic acid and a lactic acid dimer and a first cooling tower top fraction containing water and acrylic acid; feeding the first cooling tower bottom fraction to a lactic acid conversion tank to convert the lactic acid dimer into lactic acid, thereby obtaining a second reaction product; separating lactic acid from the second reaction product to collect lactic acid; and separating acrylic acid from the first cooling tower top fraction to obtain acrylic acid.
C07C 51/46 - Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
C07C 51/487 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
The present invention provides a method for preparing acrylic acid, comprising the steps of: obtaining a reaction product including lactic acid, water, light gas components, and acrylic acid, by supplying a lactic acid aqueous solution to a reactor to undergo a dehydration reaction; separating into a lower fraction containing acrylic acid and lactic acid and an upper fraction containing acrylic acid, water, and light gas components, by supplying the reaction product to a first cooling tower; obtaining a lower fraction containing acrylic acid and water, by supplying the upper fraction of the first cooling tower to a second cooling tower; obtaining a liquid extraction containing acrylic acid and an extraction solvent, by supplying the lower fraction of the second cooling tower to an extraction tower; obtaining a lower fraction containing acrylic acid and lactic acid, by supplying the lower fraction of the first cooling tower and the liquid extraction to an azeotropic distillation tower; and obtaining acrylic acid by supplying the lower fraction of the azeotropic distillation tower to an acrylic acid recovery tower.
C07C 51/46 - Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
C07C 51/487 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
The objective of the present invention is to provide a method for reproducibly preparing a cathode active material precursor with narrow particle distribution.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
53.
ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
The present invention relates to an electrode for a lithium secondary battery, the electrode comprising a porous layer comprising boehmite and barium sulfate as inorganic fine particles, and a lithium secondary battery comprising the electrode for a lithium secondary battery.
The present invention provides a curable composition, a thermal interface material (TIM), and uses thereof. According to the present invention, the curable composition or thermal interface material can exhibit high thermal conductivity while exhibiting low adhesiveness to a predetermined adherend. In addition, the low adhesiveness may be achieved without using an adhesiveness-adjusting component such as a plasticizer, or while minimizing the proportion thereof. Moreover, the curable composition can exhibit a precisely controlled curing speed and have excellent curing properties. The present invention can also provide a product comprising the curable composition, a cured body thereof, or the thermal interface material.
The present invention provides a curable composition, a thermal interface material (TIM), and uses thereof. According to the present invention, the curable composition or thermal interface material can exhibit high thermal conductivity while exhibiting low adhesiveness to a predetermined adherend. In addition, the low adhesiveness may be achieved without using an adhesiveness-adjusting component such as a plasticizer, or while minimizing the proportion thereof. Moreover, the curable composition can exhibit a precisely controlled curing speed and have excellent curing properties. The present invention also provides a product comprising the curable composition, a cured body thereof, or the thermal interface material.
The present application provides a curable composition, a thermal interface material (TIM), and uses thereof. In the present application, the curable composition or thermal interface material can exhibit high thermal conductivity while exhibiting low adhesion to a predetermined adherend. In addition, in the present invention, the low adhesiveness may be achieved without the use of an adhesion-adjusting component such as a plasticizer or with a minimized use ratio thereof. In the present application, the curable composition can also exhibit a precisely controlled cure rate while simultaneously having excellent curing properties. The present application can also provide a product containing the curable composition, a cured body thereof, or the thermal interface material.
An aspect of the present invention provides an analysis method for pore distribution of a porous structure, the analysis method comprising the steps of: observing the cross-section of the porous structure with an electron microscope (SEM) to obtain a raw image of the cross-section of the porous structure; and quantifying the pore distribution in the obtained raw image by using a Voronoi diagram. According to the pore distribution analysis method, it is possible to quantitively analyze the pore distribution of the porous structure.
G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
G01N 23/2251 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material using electron or ion microprobes using incident electron beams, e.g. scanning electron microscopy [SEM]
The present application relates to a resin comprising a unit represented by chemical formula 1, a method for manufacturing same, a resin composition comprising same, and a molded product comprising the resin composition.
C08G 64/30 - General preparatory processes using carbonates
C08G 63/64 - Polyesters containing both carboxylic ester groups and carbonate groups
C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
The present invention relates to a method for producing neopentyl glycol, comprising the steps of: obtaining a first reaction product containing hydroxypivaldehyde through an aldol condensation reaction; contacting the first reaction product with an extractant and distilling same to obtain an extract and a raffinate; supplying the raffinate to a saponification reactor and reducing same with a catalyst; supplying both the extract and the catalyst to an aldol purification column and distilling same to make separation into an upper discharge stream and a lower discharge stream; supplying the lower discharge stream of the aldol purification column to an aqueous reaction vessel to obtain a second reaction product containing neopentyl glycol; and obtaining neopentyl glycol from the second reaction product.
C07C 29/14 - 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 a —CHO group
C07C 29/74 - Separation; Purification; Stabilisation; Use of additives
The present invention provides a method for preparing neopentyl glycol, comprising the steps of: obtaining a first reaction product containing hydroxypivaldehyde by performing an aldol condensation reaction; contacting the first reaction product with an extracting agent and distilling same so as to obtain an extract solution and a raffinate solution; supplying the raffinate solution to a saponification reactor and reducing same with a catalyst, and supplying the catalyst to an integrated recovery column; supplying the extract solution to an aldol purification column and distilling same so as to obtain an upper discharge stream and a lower discharge stream; supplying the upper discharge stream of the aldol purification column to the integrated recovery column and supplying the lower discharge stream to a hydrogenation reactor so as to obtain a second reaction product containing neopentyl glycol; and obtaining the neopentyl glycol from the second reaction product.
C07C 29/14 - 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 a —CHO group
C07C 29/74 - Separation; Purification; Stabilisation; Use of additives
The present invention relates to a method for preparing neopentyl glycol, comprising the steps of: obtaining a first reaction product including neopentyl glycol by hydrogenating in a first hydrogenation reactor; feeding the first reaction product to a flash drum so as to obtain hydrogen and a first stream of degassed solution from which the hydrogen has been degassed; feeding the hydrogen to a second hydrogenation reactor; feeding the first stream of degassed solution to a first heat exchanger so as to reduce the temperature thereof; feeding a portion of the first stream of degassed solution, of which the temperature has been reduced, to the second hydrogenation reactor as a second branched-off stream; conducting hydrogenation reaction in the second hydrogenation reactor to obtain a second reaction product including neopentyl glycol; and subjecting the second reaction product to a neopentyl glycol refining process to obtain neopentyl glycol.
C07C 29/14 - 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 a —CHO group
C07C 29/74 - Separation; Purification; Stabilisation; Use of additives
The present invention provides a method for treating neopentyl glycol wastewater, comprising the steps of: recovering wastewater, which contains a catalyst, from at least one process from among an aldol purification process, an neopentyl glycol purification process and an extractant recovery process, so as to supply volatile organic compounds to a separation column; obtaining, from the separation column for volatile organic compounds, a top effluent stream containing a catalyst and a bottom effluent stream containing wastewater from which the catalyst is removed; and supplying the bottom effluent stream to a wastewater treatment system so as to treat the wastewater.
C02F 1/58 - Treatment of water, waste water, or sewage by removing specified dissolved compounds
C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
B01D 3/32 - Other features of fractionating columns
C07C 29/14 - 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 a —CHO group
C07C 29/74 - Separation; Purification; Stabilisation; Use of additives
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
H10K 85/60 - Organic compounds having low molecular weight
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
H10K 85/60 - Organic compounds having low molecular weight
The present disclosure relates to a poly(arylene ether) resin composition, a preparation method therefor, and a molded article comprising same, and more specifically to a poly(arylene ether) resin composition, a preparation method therefor, and a molded article comprising same, the poly(arylene ether) resin composition comprising: 100 parts by weight of a base resin comprising (a-1) 75-95 wt% of a poly(arylene ether) resin and (a-2) 5-25 wt% of a polystyrene resin; (b) 12-17 parts by weight of two or more types of organic phosphorus-based flame retardants containing different amounts of phosphorus; (c) 10-40 parts by weight of glass fiber; (d) 0.5-5 parts by weight of ground mica; and (e) 1-4 parts by weight of a sulfate of an alkaline earth metal having an average particle size of 0.05-3 μm. According to the present invention, the effect is achieved of providing a poly(arylene ether) resin composition, a preparation method therefor, and a molded article comprising same, the poly(arylene ether) resin composition having mechanical properties such as impact strength, tensile strength, flexural strength, etc., heat resistance, flame resistance, and flame retardancy properties which are all excellent.
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
H10K 85/60 - Organic compounds having low molecular weight
H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
68.
METHOD FOR PREPARATION OF HIGH-PURITY (METH)ACRYLIC ACID
The present invention provides a method for the preparation of a (meth)acrylic acid, the method comprising: a step for obtaining a (meth)acrylic acid aqueous solution by bringing a mixed gas containing (meth)acrylic acid into contact with water in an absorption tower; a step for supplying the obtained (meth)acrylic acid solution to a crystallization unit, crystallizing to obtain purified (meth)acrylic acid, and supplying the mother liquor separated from the purified (meth)acrylic acid to a water separation tower; a step for separating, in the water separation tower, an upper discharge stream containing water and a lower discharge stream containing (meth)acrylic acid and high-boiling by-products; and a step for supplying the lower discharge stream from the water separation tower to a high boiling point by-product separation tower, and supplying the upper discharge stream containing (meth)acrylic acid to the crystallization unit.
The present invention provides a method for preparing (meth)acrylic acid, comprising the steps of: making a mixture gas, which contains (meth)acrylic acid, come in contact with water in an absorption column, thereby obtaining a (meth)acrylic acid aqueous solution; supplying the (meth)acrylic acid aqueous solution to a crystallizer, and crystallizing same, thereby obtaining purified (meth)acrylic acid and a mother liquor separated from the purified (meth)acrylic acid; supplying some of the mother liquor to an extraction column, and supplying the rest to a water separation column; making an extraction solvent come in contact with the mother liquor in the extraction column, and then supplying a discharge stream at the top of the extraction column to the water separation column; separating, in the water separation column, a discharge stream, containing water, at the top of the water separation column from a discharge stream, containing (meth)acrylic acid and high-boiling-point by-products, at the bottom of the water separation column; and supplying, to a high-boiling-point by-product separation column, the discharge stream at the bottom of the water separation column, and supplying, to the crystallizer, a discharge stream, containing (meth)acrylic acid, at the top of the high-boiling-point by-product separation column.
C07C 51/25 - Preparation of carboxylic acids or their salts, halides, or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
70.
METHOD FOR PREPARATION OF HIGH PURITY (METH)ACRYLIC ACID
The present invention provides a method for preparing (meth)acrylic acid, the method comprising the steps of: contacting a mixed gas including (meth)acrylic acid with water in an absorption tower to obtain first and second aqueous (meth)acrylic acid solutions; discharging the first aqueous (meth)acrylic acid solution from a lower portion of the absorption tower and supplying same to a crystallizer, and discharging the second aqueous (meth)acrylic acid solution from a side portion of the absorption tower; supplying the second aqueous (meth)acrylic acid solution to a water separation tower to obtain a distillate including (meth)acrylic acid and high-boiling-point by-products; supplying the distillate to a high-boiling-point by-product separation tower, and supplying an upper discharge stream from the high-boiling-point by-product separation tower to the crystallizer, the upper discharge stream including the (meth)acrylic acid; and obtaining purified (meth)acrylic acid in the crystallizer, and circulating part of mother liquor recovered from the crystallizer to the absorption tower and the remainder to the water separation tower.
The present invention provides a method for preparing (meth)acrylic acid, comprising the steps of: obtaining a (meth)acrylic acid aqueous solution by contacting a mixed gas containing (meth)acrylic acid with water in an absorption tower; supplying the (meth)acrylic acid aqueous solution to an extraction tower, extracting the (meth)acrylic acid aqueous solution by contacting same with an extraction solvent to obtain an extract solution containing the (meth)acrylic acid and the extraction solvent; supplying the extract solution to a solvent purification tower and separating the solvent purification tower into a solvent purification tower lower discharge stream containing (meth)acrylic acid and a solvent purification tower upper discharge stream containing an extraction solvent; supplying the solvent purification tower lower discharge stream to a crystallizer and obtaining (meth)acrylic acid crystallized in the crystallizer; and supplying the mother liquor after the crystallization to a high boiling point by-product separation tower, and circulating a high boiling point by-product separation tower upper discharge stream from which the high boiling point by-product has been removed to the solvent purification tower.
The present invention relates to a flow path plate for an electrolytic cell, and an electrolytic cell comprising same. The flow path plate for an electrolytic cell, according to the present invention, is a flow path plate for an electrolytic cell, which faces an electrode that causes an electrochemical reaction, and comprises: a supply-side flow path part having a plurality of branched flow paths for supplying a raw material fluid; and a channel part comprising a plurality of channels of which one side is connected to the supply-side flow path part and through which the supplied raw material fluid moves, wherein the supply-side flow path part has a plurality of flow path blocks, the branched flow paths are branched into a plurality through the flow path blocks, and the width of the plurality of branched flow paths is uniform.
The present application relates to a composition and a use thereof. The composition of the present application can be applied to a product that generates heat during a driving or maintenance process, and thus can be used as a material that can process the heat. The composition of the present application can be applied to a product in which a plurality of heat-generating elements are integrated, and thus can efficiently process the heat generated from the elements while uniformly maintaining the temperature of the product. In addition, the composition of the present application can applied to the above-mentioned product, and thus, even if abnormal heat generation, an explosion, or ignition occurs in any one among the plurality of elements, can prevent or minimize the effect of such heat generation, explosion, or ignition on the other elements adjacent thereto.
C08K 3/013 - Fillers, pigments or reinforcing additives
C09K 5/02 - Materials undergoing a change of physical state when used
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 50/218 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
74.
COMPOSITE SOLID ELECTROLYTE, METHOD FOR PRODUCING SAME, AND ALL-SOLID-STATE BATTERY INCLUDING SAME
The present invention addresses the problem of improving the atmospheric stability of conventional sulfide-based solid electrolytes, and pertains to a composite solid electrolyte, a method for producing same, and an all-solid-state battery including same. The composite solid electrolyte comprises: sulfide-based solid electrolyte particles; and a polymer coating layer formed on the sulfide-based solid electrolyte particles, wherein the polymer in the polymer coating layer contains a repeating unit represented by formula (I) described herein.
The present invention provides a method for preparing (meth)acrylic acid, the method comprising the steps of: contacting a mixed gas comprising (meth)acrylic acid with an absorption solvent in an absorption tower; supplying a first (meth)acrylic acid solution discharged from a lower portion of the absorption tower to a high-boiling-point by-product separation tower, and supplying an upper discharge stream from the high-boiling-point by-product separation tower to a crystallizer; supplying a second (meth)acrylic acid solution discharged from a side portion of the absorption tower to the crystallizer; and obtaining (meth)acrylic acid crystallized in the crystallizer, and circulating mother liquor recovered from the crystallizer to the absorption tower.
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
H10K 85/60 - Organic compounds having low molecular weight
H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
77.
CATHODE ACTIVE MATERIAL PRECURSOR, PREPARATION METHOD THEREFOR, METHOD FOR PREPARING CATHODE ACTIVE MATERIAL BY USING SAME, AND CATHODE ACTIVE MATERIAL
The present invention relates to a cathode active material precursor capable of implementing a cathode active material in the form of a uniform discrete particle and, specifically, to a cathode active material precursor, a preparation method therefor, a method for preparing a cathode active material by using same, and a cathode active material, the precursor comprising a lithium composite transition metal oxide in a discrete particle form, which has a molar ratio (Li/Me) of lithium to total transition metals of 0.01-0.7, and having a pellet density of 3.0 g/cm3to 4.0 g/cm3.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
The present invention relates to a polymer composition and a use thereof. The present invention can provide a polymer composition having excellent biodegradability and absorption capacity, and a use thereof. The present invention can provide the polymer composition and a use thereof by controlling the ratio of amylose and amylopectin in a polysaccharide component included in the polymer composition and the molecular weight of the polysaccharide component.
The present invention relates to a conductive resin composition, a method for preparing same, and a molded product comprising same. According to the present invention, there is the effect of providing: a conductive resin composition which has excellent moisture stability and heat resistance as well as excellent appearance, rigidity and conductivity, thus minimizing influences by moisture, heat and the like due to exposure to external environments, and therefore is useful especially for exterior parts that replace metals, of automobiles; a method for preparing same; and a molded product comprising same.
C08L 25/10 - Copolymers of styrene with conjugated dienes
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
C08K 7/24 - Expanded, porous or hollow particles inorganic
The present invention relates to a composition for an encapsulant film, an encapsulant film, and a solar cell module which comprise an ethylene/alpha-olefin copolymer. When an encapsulant film is manufactured using the composition for an encapsulant film of the present invention, the dipping time of the ethylene/alpha-olefin copolymer is reduced, and thus the encapsulant film can be more economically produced. In addition, the composition for an encapsulant film prepared using the present invention exhibits an excellent degree of cross-linking.
The present invention relates to an encapsulation film composition, an encapsulation film and a solar cell module, the encapsulation film composition comprising an ethylene/α-olefin copolymer and having excellent compatibility with a cross-linking additive.
C08G 64/16 - Aliphatic-aromatic or araliphatic polycarbonates
C08G 64/08 - Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
H10K 85/60 - Organic compounds having low molecular weight
The present invention provides a method for preparing isopropyl alcohol (IPA), comprising the steps of: (S1) passing reaction water through a first heat exchanger and a second heat exchanger to raise the temperature thereof; (S2) supplying, to a reactor, the reaction water having passed through the second heat exchanger along with a propylene monomer, as a feed stream to produce a gaseous reaction product comprising IPA; (S3) purifying IPA from the gaseous reaction product and recovering process water therefrom; and (S4) passing the process water through the second heat exchanger to cool same, and transferring a portion of the cooled process water to the first heat exchanger, wherein the temperature of the reaction water is primarily raised by coming into contact with the portion of the cooled process water in the first heat exchanger, and then secondarily raised by coming into contact with the process water in the second heat exchanger.
C07C 29/04 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds
C07C 29/76 - Separation; Purification; Stabilisation; Use of additives by physical treatment
C07C 31/12 - Monohydroxylic acyclic alcohols containing four carbon atoms
C07C 29/88 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
C07C 31/10 - Monohydroxylic acyclic alcohols containing three carbon atoms
The present invention relates to a polyester resin composition, a preparation method therefor, and a molded article manufactured therefrom. The polyester resin composition according to the present invention, through changes in raw materials that are used, satisfies the balance of properties, such as mechanical properties, electrical properties, fluidity, and flame retardancy, enough to replace conventional halogen-based flame retardant-containing polyester materials, and provides excellent product reliability, heat resistance, and appearance quality.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
The present specification discloses a polymer composition. The polymer composition comprises a polysaccharide component, and the polysaccharide component comprises a radical polymeric functional group and a non-radical polymeric functional group. The polysaccharide component can form a polymer including: a polymer chain formed by the polymerization of the radical polymeric functional group; and a covalent bond formed by the reaction of the non-radical polymeric functional group. The polymer can form an absorbent material having excellent absorptiveness, a biodegradable material having excellent biodegradability, or a material that is both absorbent and biodegradable. The present application can also provide a use of the polymer composition or the polymer.
The present invention relates to an electrode for a lithium secondary battery and to a lithium secondary battery, the electrode comprising a porous layer which is formed on an electrode substrate, and includes: a binder resin comprising a (co)polymer having a predetermined structure; and inorganic fine particles.
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
H10K 85/60 - Organic compounds having low molecular weight
H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
The present invention relates to a method for producing IPA, the method comprising a purification step using multiple columns, wherein: through a first column, a feed stream containing IPA, NPA, water, and high-boiling point organic matter is separated into a top stream containing a mixture of IPA, NPA, and water, and a bottom stream containing water and high-boiling point organic matter; in the second column, an organic solvent is used to discharge a bottom stream containing IPA and NPA and a top stream where a ternary azeotrope of the solvent, water, and IPA is formed from the top stream of the first column; in the third column having a dividing wall structure, a mixed stream obtained by mixing a branch stream from the bottom stream of the first column and the bottom stream from the second column is supplied to a first region and the mixed stream is separated into a top stream containing water with the high-boiling point organic matter removed therefrom, a side stream containing IPA with NPA removed therefrom, and a bottom stream containing the high-boiling point organic matter and NPA; and the side stream containing IPA is recovered from a second region.
The present invention relates to a polycarbonate resin composition, a preparation method therefor, and a molded article comprising same and, more specifically, to a polycarbonate resin composition comprising: A-1) 20-75 weight% of polycarbonate having a melting index (300 ℃, 1.2 kg) of 15-25 g/10 min; B) 5-25 weight% of a polysiloxane-polycarbonate copolymer; C) 5-45 weight% of glass fiber; D) 2-12 weight% of a liquid phosphorus flame retardant; and E) 1-7 weight% of a phosphazene compound, a method for preparing the polycarbonate resin composition, and a molded article comprising the polycarbonate resin composition. The present invention has the effect of providing: a polycarbonate resin composition which contains post-consumer recycled polycarbonate in a high content and thus increases recycling rate, and which also has excellent impact resistance, heat resistance, and flame retardancy; a method for preparing the polycarbonate resin composition; and a molded article including the polycarbonate resin composition.
The present invention provides: a polyethylene which has excellent compatibility with recycled polyethylene and can exhibit improved mechanical properties; and a method for preparing same.
C08F 4/659 - Component covered by group containing a transition metal-carbon bond
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
A solution state measurement device is disclosed. The solution state measurement device comprises: a probe having a measurement unit with at least one open surface so as to measure the state of a solution; a mesh arranged on a path through which the solution flows into the measurement unit; and a support portion which is arranged on the outside of the probe, and which has an open portion surrounding the at least one open surface of the measurement unit, wherein the open portion defines the path through which the solution flows into the measurement unit, and the mesh can be mounted on the open portion of the support portion.
POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR, METHOD FOR MANUFACTURING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL
The present invention relates to a positive electrode active material precursor, a method for manufacturing same, a positive electrode active material, and a method for manufacturing the positive electrode active material, and provides: a positive electrode active material precursor, the precursor comprising Ni and Mn and including secondary particles formed by the agglomeration of a plurality of primary particles, wherein the secondary particles have a ratio (core area/total area) of the core area to the total area of the particles of 28.7% to 34.1%, and a porosity represented by mathematical formula 1 of 11.3% to 11.7%; a method for manufacturing same; a positive electrode active material including a reaction product of lithium raw material and said precursor; and a method for manufacturing the positive electrode active material using said positive electrode active material.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
97.
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME
The present invention provides a method for preparing isopropyl alcohol, and an apparatus for carrying out the method, the method comprising the steps of: (S1) supplying a feed stream, containing a propylene monomer and water, to a reactor in the presence of a catalyst to perform a gas phase reaction; (S2) partially condensing a reaction product, obtained by means of the gas phase reaction, in a heat exchanger, and then transferring the uncondensed gas phase reaction product to an absorption tower and a portion of the condensed liquid phase reaction product to a pH measurement system connected on-line between the heat exchanger and the absorption tower; (S3) calculating the catalyst content by measuring the pH of the liquid reaction product transferred to the pH measuring system, and supplementing the reactor with the catalyst in an amount corresponding to the calculated content; and (S4) separating isopropyl alcohol contained in the gas phase reaction product in the absorption tower by dissolving the isopropyl alcohol in absorbing water.
C07C 29/03 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
C07C 29/88 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
C07C 31/10 - Monohydroxylic acyclic alcohols containing three carbon atoms
The present specification provides an organic light-emitting element comprising a compound represented by chemical formula 1 and a compound represented by chemical formula 2.
The present specification provides an organic light-emitting device including a compound represented by chemical formula 1 and a compound represented by chemical formula 2.
patents
