Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol is sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
C04B 30/02 - Compositions for artificial stone, not containing binders containing fibrous materials
D06M 11/79 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
F16L 59/02 - Shape or form of insulating materials, with or without coverings integral with the insulating materials
The present application relates to a polycarbonate including a unit represented by Chemical Formula 1, a composition including the same and a molded article prepared from the composition.
Provided is a compound of Chemical Formula 1 or 2:
Provided is a compound of Chemical Formula 1 or 2:
wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3:
Provided is a compound of Chemical Formula 1 or 2:
wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3:
wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.
H10K 85/60 - Organic compounds having low molecular weight
C07D 237/08 - Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 239/26 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 239/74 - Quinazolines; Hydrogenated quinazolines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
C07D 241/12 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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
A curable composition or a thermal interface material exhibiting low adhesion force to a predetermined adherend while having a low density as well as exhibiting a high thermal conductivity is provided. It also has excellent flame retardant properties, and exhibits ejection properties and thixotropy suitable for processes in a state where halogen flame retardants or phosphorus-based flame retardants are not used, or the use ratio thereof is minimized.
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
A resin composition or a cured body thereof exhibiting low adhesion force to a predetermined adherend while exhibiting high thermal conductivity is provided. Also, the low adhesion force can be achieved without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized. A product containing the curable composition or the cured body thereof is also provided.
Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
where A′1 represents Chemical Formula 2-a,
Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
where A′1 represents Chemical Formula 2-a,
Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
where A′1 represents Chemical Formula 2-a,
the dotted line is fused with an adjacent ring, Ar′1 is substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, D is deuterium, and the other substituents are as defined in the specification. The organic light emitting device has excellent driving voltage, efficiency and lifespan when the compound of Chemical Formula 1 and the compound of Chemical Formula 2 are combined and used as a host for a red light emitting layer.
A composition which can be cured at room temperature; and can form a heat dissipation material exhibiting an appropriate level of hardness, low adhesion force, and excellent thermal conductivity, is provided. In addition, the composition can achieve the low adhesion force, and the like without using a plasticizer or the like, or in a state where even if the plasticizer is used, the use ratio thereof is minimized. A product containing the composition, or a cured body thereof is also provided.
Monomer Composition for Preparing Super Absorbent Polymer Film, Preparation Method for Super Absorbent Polymer Film Using the Same, and Super Absorbent Polymer Film Prepared from the Same
Provided are a monomer composition for producing a superabsorbent polymer film, the monomer composition comprising an acrylic acid-based monomer having acidic groups, at least part of which is neutralized, a crosslinking agent, a cellulose-based thickener, a moisturizer, a polymerization initiator, a polyvalent metal salt, and a solvent, and being capable of producing a superabsorbent polymer film showing excellent absorption performances, particularly, an improved initial absorption rate while having a thin thickness, a method of producing a superabsorbent polymer film using the same, and a superabsorbent polymer film produced therefrom.
The present invention relates to a thermoplastic resin composition including a diene-based graft polymer; a first polymer including a vinyl cyanide-based monomer and an alkyl-substituted styrene-based monomer; a second polymer including a vinyl cyanide-based monomer, an aromatic vinyl-based monomer, and a (meth)acrylate-based monomer; a third polymer including a vinyl cyanide-based monomer and an alkyl-unsubstituted styrene-based monomer and having a weight-average molecular weight of 80,000 to 220,000 g/mol; a fourth polymer including a vinyl cyanide-based monomer and an alkyl-unsubstituted styrene-based monomer and having a weight-average molecular weight of 1,500,000 to 5,000,000 g/mol; and a fifth polymer including an olefin-based monomer and having a density of 970 to 1,000 kg/m3 measured in accordance with ASTM D1505, wherein the fifth polymer is included in 0.10 to 3.00 parts by weight with respect to 100 parts of the diene-based graft polymer, the first polymer, the second polymer, the third polymer, and the fourth polymer.
A UV curing adhesive composition, an adhesive film comprising the same, a polarizing film comprising the same, and a display device comprising polarizing film are described herein, wherein the UV curing adhesive composition comprises a monofunctional acrylate, a polyfunctional acrylate, a silane coupling agent, a cationic initiator, and a photosensitizer.
A method for replicating a holographic optical element and a holographic optical element replicated thereby are provided. The holographic optical element is larger than a master. The master has a holographic grating pattern generated on the master by interference of the reflected, diffracted or transmitted beam generated by irradiating the master having a specific diffraction grating pattern formed thereon with a laser beam.
In the present disclosure, there are provided a vinyl alcohol-based copolymer including a first repeating unit derived from an olefin, a second repeating unit containing a hydroxyl group, and a third repeating unit containing a cyanoalkyloxy group formed by a reaction of the repeating unit containing a hydroxyl group and an unsaturated nitrile-based compound, wherein the third repeating unit is included in an amount of 2 mol % or more and less than 10 mol % with respect to 100 mol % of a total amount of the second repeating unit and the third repeating unit; a method for preparing the same; and a gas barrier film including the same. The vinyl alcohol-based copolymer has excellent moisture stability, thereby exhibiting excellent gas barrier properties even in a humid environment.
The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.
A resin composition or a cured body thereof that exhibits low adhesion force to a predetermined adherend while exhibiting high thermal conductivity is provided. Also, the low adhesion force can be achieved without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized. A product comprising the curable composition or the cured body thereof is also provided.
A precursor for a positive electrode active material and a method of making the same are disclosed herein. In some embodiments, a method includes forming precursor seeds for a positive electrode active material by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to a reaction solution, and growing precursor particles for a positive electrode active material from the precursor seeds by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to the reaction solution containing the precursor seeds, wherein feed rates for the transition metal aqueous solution and the ammonium cationic complexing agent to grow the precursor particles are two or more times greater than feed rates for the transition metal aqueous solution and the ammonium cationic complexing agent to grow the precursor seeds.
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
wherein R1, R2, and n1 are described herein.
Provided is a method for preparing an asymmetric linear carbonate, the method comprising: subjecting two kinds of different symmetric linear carbonates to a transesterification reaction in the presence of a metal alkoxide catalyst to prepare an asymmetric linear carbonate, wherein the metal of the metal alkoxide is at least one selected from the group consisting of aluminum (Al), magnesium (Mg), germanium (Ge), gallium (Ga), cobalt (Co), calcium (Ca), hafnium (Hf), iron (Fe), nickel (Ni), niobium (Nb), molybdenum (Mo), lanthanum (La), rhenium (Re), scandium (Sc), silicon (Si), tantalum (Ta), tungsten (W), yttrium (Y), zirconium (Zr) and vanadium (V). Also provided is an asymmetric linear carbonate including the metal alkoxide catalyst.
Disclosed is a transition metal compound that exhibits high activity and high comonomer incorporation in olefin polymerization and can be used for preparing a polyolefin having a BOCD structure, a method for preparing the same, and a catalyst composition including the same.
C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic System
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
The present disclosure relates to a preparation method for a super absorbent polymer capable of minimizing bubble loss during foam polymerization by a radical polymerization method. According to the preparation method of the present disclosure, a super absorbent polymer having a high surface area can be manufactured by forming many small and uniform pores. Since it exhibits an excellent absorption rate, it can be used in various products requiring high absorption properties.
C08J 9/08 - 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 chemical blowing agent developing carbon dioxide
An encapsulant composition for an optical device; comprises an ethylene/alpha-olefin copolymer having high volume resistance and light transmittance. An encapsulant film for an optical device using the same is also provided.
The present application relates to a polycarbonate including units represented by Chemical Formula 1a or 1b and Chemical Formula 1c, a composition including the same, and a molded article prepared from the composition.
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
wherein A1 to A4, X, Y, and n are described herein.
A method for preparing polyphenylene oxide, the method capable of reducing energy cost by eliminating the need for a separate process of separating and purifying ortho-cresol which is produced after an alkylation reaction of phenol, and preparing polyphenylene oxide with excellent processability in excellent yields under mild oxidative coupling reaction conditions, is provided.
C08G 65/44 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols by oxidation of phenols
24.
Cross-Linked Polyolefin Separator and Method for Producing Same
A crosslinked polyolefin separator having an average value of light transmittance of 30% or more in a region of 380 nm to 700 nm, after four sides of the separator are fixed and allowed to stand at 130° C. for 30 minutes. A method for manufacturing the crosslinked polyolefin separator is also provided. The crosslinked polyolefin separator has a low shutdown temperature to provide improved safety. The crosslinked polyolefin separator also has a high meltdown temperature and is inhibited from die-drooling.
The present disclosure pertains to a GUCY2C-binding polypeptide and uses thereof and, specifically, to a GUCY2C-binding polypeptide, a fusion protein including same, a chimeric antigen receptor, an immune cell expressing the chimeric antigen receptor, and a use thereof for treatment and/or diagnosis of cancer.
Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan:
Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan:
Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan:
where A is a benzene ring fused with the two adjacent rings, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, Ar1-Ar5 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are defined in the specification, provided that at least one of Ar4 and Ar5 is substituted with at least one deuterium, or at least one R2 is deuterium.
The present disclosure relates to a toxic waste treatment process and treatment apparatus including: a temperature raising operation of raising a temperature of a toxic waste solid to a heat treatment temperature selected from 300° C. to 600° C. at an average temperature raising rate of 5° C./min or less; and a heat treatment operation of heat-treating the toxic waste solid at the heat treatment temperature.
The catalyst for methane reformation according to an exemplary embodiment of the present application consists of a porous metal support; and a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1:
The catalyst for methane reformation according to an exemplary embodiment of the present application consists of a porous metal support; and a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1:
Sr1-xAxTi1-yByO3-δ [Chemical Formula 1]
wherein all the variables are described herein.
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
29.
Method Of Preparing Positive Electrode Active Material For Lithium Secondary Battery, Positive Electrode Active Material For Lithium Secondary Battery, And Positive Electrode For Lithium Secondary Battery And Lithium Secondary Battery Which Include The Same
A method of preparing a positive electrode active material having a high ratio of charge and discharge capacity at a charge end voltage of 4.1 V to 4.175 V to charge and discharge capacity at a charge end voltage of 4.2 V to 4.275 V and having an excellent initial charge and discharge capacity is provided.
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 4/525 - 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
A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.
C07C 29/76 - Separation; Purification; Stabilisation; Use of additives by physical treatment
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
B01F 25/431 - Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
Disclosed is a novel transition metal compound that exhibits excellent catalytic activity in polyethylene polymerization and is useful for preparing polyethylene having a high intramolecular short-chain branch content without deteriorating physical properties such as molecular weight, melting point, and density; a catalyst composition comprising the same; and a method for preparing polyethylene using the same.
B01J 31/38 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups of titanium, zirconium or hafnium
32.
Polyethylene Resin Composition and Film Comprising the Same
The present disclosure relates to a polyethylene resin composition capable of improving transparency and moisture barrier properties without deterioration in physical properties of a film, and a film including the same, wherein the polyethylene resin composition comprises a nucleating agent and a lubricant both containing a cation of a same metal selected from Group 2 or Group 12 metals.
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
H10K 85/60 - Organic compounds having low molecular weight
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
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
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
The present disclosure relates to a preparation method of a super absorbent polymer having excellent basic absorbency and liquid permeability at the same time by optimizing the degree of cross-linking of a base resin powder and a surface cross-linked layer, and a super absorbent polymer prepared therefrom. The preparation method of a super absorbent polymer includes the steps of: forming a hydrogel polymer by cross-linking and polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer having at least partially neutralized acidic groups and an internal cross-linking agent; drying, pulverizing and classifying the hydrogel polymer to form a base resin powder; and forming a surface cross-linked layer by further cross-linking a surface of the base resin powder in the presence of a surface cross-linking agent, wherein the water-soluble ethylene-based unsaturated monomer has a degree of neutralization of less than 70 mol % in the step of forming a hydrogel polymer, and the preparation method further includes a step of further neutralizing the base resin powder by treating the base resin powder with a basic solution during the step of forming a surface cross-linked layer or after the step of forming a surface cross-linked layer.
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08L 101/14 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
36.
THERMOPLASTIC RESIN COMPOSITION AND EXTERIOR MATERIAL INCLUDING THE SAME
The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition included 90 to 99.5% by weight of styrene-based resins each including 5 to 30% by weight of acrylate rubber having a DLS average particle diameter of 0.25 to 0.32 μm or a TEM average particle diameter of 0.2 to 0.27 μm based on a total weight of the styrene-based resins; and 0.5 to 10% by weight of a polyamide resin, and an exterior material including the thermoplastic resin composition. According to the present disclosure, a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniformity, low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition may be provided.
Provided is an antibacterial composition comprising at least one compound including a quaternary ammonium structure having an acrylate group or a methacrylate group, and having an antibacterial strength A of 90% or more against at least one strain selected from Gram-positive bacteria and Gram-negative bacteria, and an acute oral toxicity dose LD50 of 300 mg/Kg or more, where the antibacterial strength A equals (1−Asample/AReference)×100, where Asample equals an absorbance of an inoculated medium solution incubated with the antibacterial composition, and AReference equals an absorbance of an inoculated medium solution incubated without addition of the antibacterial composition.
A compound of Chemical Formula 1 or 2 and an organic light emitting device including the same are provided. The compound, when used as a material for an organic material layer of an organic light emitting device, provides improved efficiency, low driving voltage, and enhanced lifespan of the organic light emitting device.
A compound of Chemical Formula 1 or 2 and an organic light emitting device including the same are provided. The compound, when used as a material for an organic material layer of an organic light emitting device, provides improved efficiency, low driving voltage, and enhanced lifespan of the organic light emitting device.
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
39.
Positive Electrode Active Material and Method of Preparing the Same
A positive electrode active material, a method of preparing the same, and a positive electrode and lithium secondary battery including the same are disclosed herein. In some embodiments, a positive electrode active material includes a lithium transition metal oxide which contains 60 mol % or more of nickel based on a total number of moles of transition metals excluding lithium in the lithium transition metal oxide, wherein the oxide is in a form of a secondary particle which is an aggregate of primary particles, wherein the lithium transition metal oxide satisfies Equation 1:
A positive electrode active material, a method of preparing the same, and a positive electrode and lithium secondary battery including the same are disclosed herein. In some embodiments, a positive electrode active material includes a lithium transition metal oxide which contains 60 mol % or more of nickel based on a total number of moles of transition metals excluding lithium in the lithium transition metal oxide, wherein the oxide is in a form of a secondary particle which is an aggregate of primary particles, wherein the lithium transition metal oxide satisfies Equation 1:
1
≤
x
y
≤
20
A positive electrode active material, a method of preparing the same, and a positive electrode and lithium secondary battery including the same are disclosed herein. In some embodiments, a positive electrode active material includes a lithium transition metal oxide which contains 60 mol % or more of nickel based on a total number of moles of transition metals excluding lithium in the lithium transition metal oxide, wherein the oxide is in a form of a secondary particle which is an aggregate of primary particles, wherein the lithium transition metal oxide satisfies Equation 1:
1
≤
x
y
≤
20
Wherein x is a minimum area of a rectangle including all pores having an area greater than 0.002 μm2 among closed pores distributed in the secondary particle, and y is a total sum of areas of the pores having an area greater than 0.002 μm2 among the closed pores distributed in the secondary particle.
Provided is a compound of Chemical Formula 1:
Provided is a compound of Chemical Formula 1:
wherein: A1 represents Chemical Formula 1-a:
Provided is a compound of Chemical Formula 1:
wherein: A1 represents Chemical Formula 1-a:
where X is O or S; and Ar1 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and A2 is Chemical Formula 1-b or Chemical Formula 1-c:
Provided is a compound of Chemical Formula 1:
wherein: A1 represents Chemical Formula 1-a:
where X is O or S; and Ar1 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and A2 is Chemical Formula 1-b or Chemical Formula 1-c:
Provided is a compound of Chemical Formula 1:
wherein: A1 represents Chemical Formula 1-a:
where X is O or S; and Ar1 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and A2 is Chemical Formula 1-b or Chemical Formula 1-c:
wherein: L1 to L4 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one of N, O and S; Ar2 to Ar5 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; D is deuterium; and n is an integer of 0 to 5, and an organic light emitting device including the same. An organic light-emitting device containing the compound exhibits improved efficiency, driving voltage and/or lifespan characteristics.
C07D 419/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur 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 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 419/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
H10K 85/60 - Organic compounds having low molecular weight
An organic light emitting device having improved efficiency, driving voltage, and lifespan is provided. The organic light emitting device comprises an anode, a cathode, and a light emitting between the anode and the cathode, and the light emitting layer comprises a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
An organic light emitting device having improved efficiency, driving voltage, and lifespan is provided. The organic light emitting device comprises an anode, a cathode, and a light emitting between the anode and the cathode, and the light emitting layer comprises a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
H10K 85/60 - Organic compounds having low molecular weight
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 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
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by the following Chemical Formula 1 and a compound represented by the following Chemical Formula 2, is provided.
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by the following Chemical Formula 1 and a compound represented by the following Chemical Formula 2, is provided.
H10K 85/60 - Organic compounds having low molecular weight
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 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
An antibacterial composition according to an exemplary embodiment of the present technology comprises one or more compounds comprising a quaternary ammonium structure having an acrylate group or a methacrylate group, in which a critical micelle concentration of the compound comprising the quaternary ammonium structure is 0.1 wt % to 3 wt %.
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 disclosure relates to a lithium secondary battery. Since the lithium secondary battery according to the present disclosure includes a lithium transition metal oxide having a stabilized lattice structure with a hetero-element introduced therein, gas generation during charging and discharging can be suppressed, and improved safety and lifespan can be achieved.
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 a compound capable of lowering the flammability of a non-aqueous electrolyte when included in the non-aqueous electrolyte and improving the life properties of a battery by forming an electrode-electrolyte interface which is stable at high temperatures and low in resistance, and relates to a compound represented by Formula I descried herein, a non-aqueous electrolyte solution and a lithium secondary battery both including the compound,
The present invention relates to a compound capable of lowering the flammability of a non-aqueous electrolyte when included in the non-aqueous electrolyte and improving the life properties of a battery by forming an electrode-electrolyte interface which is stable at high temperatures and low in resistance, and relates to a compound represented by Formula I descried herein, a non-aqueous electrolyte solution and a lithium secondary battery both including the compound,
n, m, Ak, and X are described herein.
Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising: an anode; a cathode; and a light emitting layer therebetween, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising: an anode; a cathode; and a light emitting layer therebetween, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:
Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising: an anode; a cathode; and a light emitting layer therebetween, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:
R1 is hydrogen, deuterium, or a substituted or unsubstituted C6-30 aryl or C2-60 heteroaryl containing one or more of N, O and S; Ar1, Ar2, Ar′1, and Ar′2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and the other substituents are as defined in the specification.
H10K 85/60 - Organic compounds having low molecular weight
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 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
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 405/10 - 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 linked by a carbon chain containing aromatic rings
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07D 209/88 - Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
The present invention relates to a compound represented by Formula 1, a pharmaceutically acceptable salt thereof, or an isomer thereof, and a pharmaceutical composition for treating or preventing proteasome-mediated diseases, comprising the same as an active ingredient.
An ethylene/alpha-olefin copolymer having excellent physical properties showing reduced immersion time of a crosslinking agent and a high degree of crosslinking, and a composition for an encapsulant film, comprising the same, is described herein.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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
The present application relates to a polycarbonate including a unit represented by Chemical Formula 1a; and a unit represented by Chemical Formula 1b, a composition including the same and a molded article prepared from the composition.
The present disclosure relates to a polyethylene suitable for preparing fibers with enhanced yellow index and filterability in the spinning process by having improved aging lifetime of the polyethylene, and a preparation method of the same.
A curable composition is capable of forming a thick film having excellent curing characteristics even at a relatively low temperature and is capable of securing an excellent level of thermal conductivity as well as a desired level of appropriate adhesion force while having fast curing characteristics. A battery pack to which the curable composition is applied, and a device comprising the battery pack are also provided.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08K 13/04 - Ingredients characterised by their shape and organic or inorganic ingredients
C09K 5/14 - Solid materials, e.g. powdery or granular
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
H01M 50/293 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
52.
Modified Conjugated Diene-Based Polymer, Method for Preparing the Same and Rubber Composition Including the Same
The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a method for preparing the same and a rubber composition including the same, and provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer, and a functional group derived from a modifier, and satisfies conditions (i) to (vii), a method for preparing the same and a rubber composition including the same.
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
The present disclosure relates to a composite filler comprising: porous inorganic particles including a sintered body of calcium-based particles and pores distributed in the sintered body; and a biodegradable carrier, and a product including the same.
Crosslinked Structure-Containing Polyolefin Porous Substrate, Method for Manufacturing the Same, and Crosslinked Structure-Containing Separator for Lithium Secondary Battery Including the Same
A crosslinked structure-containing polyolefin porous substrate is provided. The crosslinked structure-containing polyolefin porous substrate has a crosslinked structure including polymer chains interconnected directly with one another, wherein the polyolefin porous substrate includes, in a height direction extending from one surface to the other surface, a first region contacted with the one surface and a second region extended from an outside of the first region toward the other surface. Polyolefin contained in the first region and polyolefin contained in the second region have a difference in crosslinking degree of 10% or more. A method for manufacturing the crosslinked structure-containing polyolefin porous substrate is also provided. Even though the separator including the crosslinked structure-containing polyolefin porous substrate has a crosslinked structure, it shows a low shutdown temperature and a high meltdown temperature.
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
The present disclosure relates to an electrode binder composition for a rechargeable battery and an electrode mixture including the same. The electrode binder composition comprising an emulsified polymer particle having a core-shell structure can maintain a structural stability of the electrode even in repeated charge and discharge cycles, while having excellent properties in terms of a binding force, a mechanical property or the like, thereby improving the overall performance of the rechargeable battery.
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
C08F 265/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of acids, salts or anhydrides
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
56.
Polypropylene Resin Composition and Method for Preparing the Same
In the present disclosure, there are provided a polypropylene resin composition including an ethylene propylene copolymer, and a method of preparing the same. In particular, the polypropylene resin composition of the present disclosure may be prepared by using a continuous reactor in the presence of a metallocene compound having a specific structure. The polypropylene resin composition of the present disclosure can exhibit high transparency together with excellent elongation by optimizing the xylene soluble, the content of ethylene, and the melt index, together with a narrow molecular weight distribution.
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
C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
57.
Roll Mill for Super Absorbent Polymer and Method for Preparing Super Absorbent Polymer Using the Same
A roll mill for super absorbent polymer that grinds introduced super absorbent polymer particles and discharges them. The roll mill for super absorbent polymer includes at least one pair of rollers that have plural corrugations formed on each outer perimeter surface of the roller, and are arranged parallel to each other while being spaced by a roll gap, and the number of corrugations per unit circumference of the roller may be 0.89/mm˜1.15/mm. Also disclosed is a method for preparing super absorbent polymer using the roll mill.
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
wherein A1 to A4, X, Y, n1 and n2 are described herein.
A preparation method for an ethylene-vinyl alcohol copolymer capable of obtaining a high-purity ethylene-vinyl alcohol copolymer without an excessive washing process is described herein. According to the present disclosure, an efficiency of the washing process for obtaining the ethylene-vinyl alcohol copolymer after performing saponification on ethylene-vinyl acetate can be increased, thereby improving productivity, and minimizing the amount of wastewater generated.
The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1:
The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1:
Sr1-xAxTi1-yByO3-δ [Chemical Formula 1]
wherein all the variables are described herein.
B01J 37/02 - Impregnation, coating or precipitation
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
61.
BATTERY CELL INCLUDING ELECTROLYTE ION CONCENTRATION MEASUREMENT UNIT AND METHOD FOR MEASURING ELECTROLYTE CONCENTRATION USING SAME
The present invention relates to a battery cell including an electrolyte ion concentration measurement unit and a method for measuring an electrolyte concentration using same. The battery cell according to the present invention comprises a measurement unit in which a first electrode plate, an insulation film, and a second electrode plate are sequentially stacked on one another, wherein the measurement unit is inserted between a separator of the battery cell and an electrode thereof, and thus can directly measure an electrolyte concentration between the separator and the electrode. Therefore, the battery cell can be simply manufactured and has excellent stability. In addition, according to the present invention, the method for measuring an electrolyte concentration of a secondary battery using the battery cell enables measurement of electrolyte concentration in real time even during the use of the battery and can measure an electrolyte concentration of the separator more accurately and quickly than a conventional technology.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/374 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer therebetween, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency and lifetime:
Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer therebetween, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency and lifetime:
wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:
Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer therebetween, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency and lifetime:
wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:
Ar1, Ar2, Ar′1, and Ar′2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O and S; R1 is hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O and S; and the other substituents are as defined in the specification.
The present invention relates to use of a compound of chemical formula 1 or a pharmaceutically acceptable salt thereof as a selective agonist of the melanocortin-4-receptor (MC4R).
Provided is an absorbent article exhibiting an improved effect of preventing the body fluid from leaking by including a superabsorbent polymer film having excellent absorbency in three-dimensional gathers.
A61F 13/494 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
65.
POLYIMIDE-BASED POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, AND OPTICAL DEVICE USING THE SAME
The present disclosure relates to a polyimide-based resin film comprising a polyimide-based resin containing a polyimide repeating unit represented by Chemical Formula 1 and a polyimide repeating unit represented by Chemical Formula 2, a substrate for display device, and an optical device using the same.
This invention relates to a curable composition for forming high refractive index optical material and optical material comprising the same, and more specifically, to a curable composition for forming high refractive index optical material comprising an episulfide compound and a sulfur-containing polymer compound, and optical material comprising the same.
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
67.
CROSSLINKED HYALURONIC ACID HYDROGEL CROSSLINKED USING CROSSLINKER AND POLYOL, AND FILLER COMPRISING SAME
The purpose of the present invention is to provide: a crosslinked hyaluronic acid hydrogel in which a crosslinking agent and a polyol are used to reduce toxicity during crosslinking, and thereby enhance safety while increasing persistence in the body; and a filler composition including the crosslinked hyaluronic acid hydrogel.
Provided is a method for preparing a deuterated anthracene compound, the method including synthesizing a deuterated anthracene compound by reacting a halogenated benzene having at least one deuterium with an enolate. Also provided is a reaction composition; a deuterated anthracene compound; and a composition containing the deuterated anthracene compound.
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material for an organic material layer of the organic light emitting device, and provides improved efficiency, low driving voltage, and increased lifespan of the organic light emitting device.
A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material for an organic material layer of the organic light emitting device, and provides improved efficiency, low driving voltage, and increased lifespan of the organic light emitting device.
C07D 403/04 - 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 directly linked by a ring-member-to-ring- member bond
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 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
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
A graft copolymer, and a graft copolymer composition having excellent particulate dispersibility in a curable resin such as an epoxy resin and is applicable as a particulate impact reinforcing agent, a curable resin composition including same, and methods of preparing them.
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
C08J 3/00 - Processes of treating or compounding macromolecular substances
71.
Positive Electrode Active Material for Lithium Secondary Battery, Preparation Method Thereof, and Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Which Include the Positive Electrode Active Material
A high-nickel positive electrode active material and a method of making the same is disclosed herein. In some embodiments, the material includes a lithium transition metal oxide, wherein the lithium transition metal oxide is secondary particles, wherein each secondary particle is an aggregate of primary particles, and wherein the oxide has an amount of nickel of 80 atm % or more, a first coating layer formed on a surface of the secondary particle and on surfaces of a portion or all of the primary particles, the first coating layer contains nickel and manganese, and has a layered structure, and a second coating layer formed on an outer surface of the first coating layer, the second coating layer contains boron. The active material has improved stability and initial capacity and crack generation at an interface between primary particles is also suppressed.
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
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 4/525 - 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
A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps of: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO3) and hydrocarbon acid.
B01J 23/80 - 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 zinc, cadmium or mercury
B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
B01J 37/02 - Impregnation, coating or precipitation
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
73.
Preparing Method of Super Absorbent Polymer Sheet and Super Absorbent Polymer Sheet Prepared Therefrom
The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.
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
B01J 20/30 - Processes for preparing, regenerating or reactivating
74.
Compound And Organic Light Emitting Device Comprising The Same
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:
wherein A1 to A4, X, Y and n are described herein.
A precursor for a positive electrode active material and a method of making the same are disclosed herein. In some embodiments a method includes forming precursor seeds for a positive electrode active material by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to a reaction solution, and growing precursor particles for a positive electrode active material by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to the reaction solution containing the precursor seeds, wherein the co-precipitation reaction to grow the precursor particles proceeds while continuously increasing feed rates of the transition metal aqueous solution and the ammonium cationic complexing agent.
Provided is a positive electrode active material which includes an inner region that is a region from the center of the positive electrode active material particle to R/2; and an outer region that is a region from R/2 to the surface of the positive electrode active material particle, wherein R is a distance from the center of the positive electrode active material particle to the surface thereof. The positive electrode active material further includes 30% to 80% of crystallites A with respect to a total number of crystallites in the outer region of the positive electrode active material, the crystallites A having high crystallite long-axis orientation degree and crystallite c-axis orientation degree. Thus, the positive electrode active material can achieve excellent capacity characteristics and service life characteristics.
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
77.
BRANCHED POLY(3-HYDROXYPROPIONIC ACID)POLYMER, AND METHOD FOR PREPARATION THEREOF
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, in which variations in centrifugal retention capacity of superabsorbent polymer particles to be prepared are reduced by controlling heat treatment temperature conditions in a surface crosslinking step, thereby improving absorption properties of the superabsorbent polymer finally prepared.
Provided is an organic light-emitting device having improved driving voltage, efficiency and lifespan, the device comprising an anode, a cathode, and a light emitting layer including a light emitting layer that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2 between the anode and the cathode:
Provided is an organic light-emitting device having improved driving voltage, efficiency and lifespan, the device comprising an anode, a cathode, and a light emitting layer including a light emitting layer that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2 between the anode and the cathode:
where Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; R1 is each independently hydrogen or deuterium; R2 to R6 and R9 to R11 are each independently hydrogen or deuterium; one of R7 and R8 is
Provided is an organic light-emitting device having improved driving voltage, efficiency and lifespan, the device comprising an anode, a cathode, and a light emitting layer including a light emitting layer that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2 between the anode and the cathode:
where Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; R1 is each independently hydrogen or deuterium; R2 to R6 and R9 to R11 are each independently hydrogen or deuterium; one of R7 and R8 is
and the other is hydrogen or deuterium; Ar3 and Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and the other substituents are as defined in the specification.
H10K 85/60 - Organic compounds having low molecular weight
C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
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 405/10 - 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 linked by a carbon chain containing aromatic rings
C07D 405/12 - 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 linked by a chain containing hetero atoms as chain links
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 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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
C07F 7/08 - Compounds having one or more C—Si linkages
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
C08G 63/82 - Preparation processes characterised by the catalyst used
81.
HETEROCYCLIC COMPOUND AS DIACYLGLYCEROL KINASE INHIBITOR AND USE THEREOF
The present invention relates to a heterocyclic compound, represented by chemical formula 1, exhibiting a diacylglycerol kinase inhibitor activity, a pharmaceutical composition comprising same as an active ingredient, and a use thereof.
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime is provided.
An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime is provided.
H10K 85/60 - Organic compounds having low molecular weight
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
C07D 405/10 - 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 linked by a carbon chain containing aromatic rings
C07F 7/08 - Compounds having one or more C—Si linkages
H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 405/12 - 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 linked by a chain containing hetero atoms as chain links
C07D 209/88 - Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
A pressure-sensitive adhesive composition for forming a pressure-sensitive adhesive layer, which is applied to a flexible device, thereby effectively responding to repeated deformation and recovery, causing no defects (for example, observation of deformation traces and the like) before and after deformation, having excellent cuttability and workability, causing no lifting, delamination, and/or bubble generation, and exhibiting a transmittance at a level capable of omitting a polarizing plate is provided.
C09J 133/06 - 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
This invention relates to a method for preparing super absorbent polymer, where wherein colloidal silica is added during coarse grinding, and/or silica is introduced during surface crosslinking. According to the preparation method of super absorbent polymer of the invention, super absorbent polymer that maintains excellent absorption properties, and simultaneously, exhibits improved vortex time and anti-caking efficiency, can be provided.
B01J 20/30 - Processes for preparing, regenerating or reactivating
B01J 20/10 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
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
Provided is a heat integration separation system including a first column, a second column, a compressor, a first heat exchanger and a second heat exchanger, wherein an upper discharge stream of the first column passes through the compressor to be compressed and then heat-exchanged with a lower discharge stream of the second column in the second heat exchanger, wherein an upper discharge stream of the second column is heat-exchanged with a lower discharge stream of the first column in the first heat exchanger, and wherein the heat integration separation system satisfies Equation 1 (refer to the specification).
Positive Electrode Active Material for Lithium Secondary Battery, Method of Preparing the Same, and Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery which Include the Positive Electrode Active Material
A method of preparing a positive electrode active material includes mixing a positive electrode active material precursor with a lithium raw material and performing a primary heat treatment, and performing a secondary heat treatment at a temperature lower than that of the primary heat treatment to prepare a positive electrode active material. The primary heat treatment and the secondary heat treatment are respectively performed in an oxygen atmosphere. The secondary heat treatment is performed in the oxygen atmosphere with an oxygen concentration of 50% or more.
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
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
87.
AMORPHOUS MELANOCORTIN RECEPTOR AGONIST AND METHOD FOR PREPARING SAME
The present invention relates to an amorphous compound represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The amorphous compound represented by formula 1 of the present invention may be characterized by XPRD patterns, DSC profiles, and/or a NMR spectrum.
The present invention relates to a cover window for a flexible display device of substrate-less type which simultaneously achieves a physical property balance between flexibility and high hardness even without a substrate film, particularly has almost no damage to the film even by repetitive bending or folding operation, and thus, can be easily applied to bendable, flexible, rollable, or foldable mobile devices, display devices, and the like, and a flexible display device including the same.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, in which degradation of physical properties of the polymer due to a mechanical force generated during a surface crosslinking process is minimized by controlling operating conditions of a surface crosslinking reactor in the step of surface crosslinking, thereby improving absorption properties of the superabsorbent polymer finally prepared.
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
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08F 220/06 - Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
Exemplary embodiments relate to a polyphenylene sulfide resin composition and a molded article for automotive parts, which is manufactured using the same and has excellent insulating properties and impact resistance, which can be applied to drive motor terminal assemblies and the like.
The present invention relates to a crystalline form III represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form III represented by formula 1 of the present invention may be characterized by XRPD patterns, TG/DTA profiles, an NMR spectrum, and/or DVS profiles.
A dust amount estimating apparatus, which estimates the amount of dust generated in a process for generating BPA prills from liquid BPA introduced into a prill tower. The dust amount estimating apparatus includes a fine particle amount estimating unit to estimate the amount of fine particles generated in the prill generating process from flow rate information of the liquid BPA introduced into the prill tower using a learned fine particle amount estimating model; and a dust amount estimating unit configured to estimate the amount of dust generated in the prill generating process from the amount of fine particles estimated by the fine particle amount estimating unit using a learned dust amount estimating model.
B01D 46/02 - Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
B01J 2/00 - Processes or devices for granulating materials, in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
93.
Polypropylene Resin Composition and Non-Woven Fabric Prepared Using the Same
In the present disclosure, there are provided a polypropylene resin composition including an ethylene propylene copolymer, and a nonwoven fabric produced therefrom. In particular, the polypropylene resin composition of the present disclosure may be prepared by using a continuous reactor in the presence of a metallocene compound having a specific structure. The polypropylene resin composition of the present disclosure can maintain high strength together with excellent processability. Thus, the polypropylene resin composition of the present disclosure can produce a soft nonwoven fabric, as compared to the existing products, by optimizing xylene soluble, the content of ethylene, a melt index, a crystallization temperature, a tensile strength and a flexural modulus, together with the narrow molecular weight distribution.
Provided is a novel compound of Chemical Formula 1:
Provided is a novel compound of Chemical Formula 1:
Provided is a novel compound of Chemical Formula 1:
wherein: A is a thiazole ring or an oxazole ring fused with an adjacent ring: L1 is a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; R1 is
Provided is a novel compound of Chemical Formula 1:
wherein: A is a thiazole ring or an oxazole ring fused with an adjacent ring: L1 is a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; R1 is
Provided is a novel compound of Chemical Formula 1:
wherein: A is a thiazole ring or an oxazole ring fused with an adjacent ring: L1 is a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; R1 is
Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; L2 to L5 are each independently a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; R2 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; D is deuterium; and n is an integer of 0 to 5, and an organic light emitting device comprising the same.
The present invention relates to a crystalline form II represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form II represented by formula 1 of the present invention may be characterized by XRPD patterns, DSC profiles, TGA profiles, and/or DVS profiles.
C07D 403/06 - 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 only aliphatic carbon atoms
96.
Resin, Preparation Method Therefor, Resin Composition, and Molded Article
A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed in herein. In some embodiments, a resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2:
A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed in herein. In some embodiments, a resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2:
wherein, in Chemical Formulae 1 and 2, Ar1, Ar2, R1, r1, X1 to X4, X9, X10, Z1, Z2, Z5, La, La″, a, b, p, t, m, n, L11, l11, X11 to X16, Z11 to Z13, Lb, Lb′, a′, b′, p′, C″, m″ and n″ are defined herein.
Provided is a method for preparing an acrylic acid including: dehydrating a lactic acid aqueous solution in a reaction unit to prepare a reaction product stream; passing the reaction product stream through a cooling unit and a refining unit sequentially and supplying a discharge stream from the refining unit to an acrylic acid separation column; and separating an unreacted lactic acid as a side discharge stream and separating the acrylic acid as an upper discharge stream in the acrylic acid separation column.
C07C 51/487 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
C07C 51/48 - Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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
98.
Method Of Preparing Positive Electrode Active Material And Positive Electrode Active Material
A positive electrode active material and a method of making the same, a positive electrode including the same, and a lithium secondary battery including the same are disclosed herein. In some embodiments, a method includes (A) sintering a mixture of a positive electrode active material precursor containing 70 mol % or more of nickel (Ni), based on a total amount of metals in the precursor, and a lithium-containing raw material to prepare a pre sintered product, (B) sintering a mixture of the pre-sintered product and an aluminum-containing raw material in an oxygen atmosphere containing 20 vol % to 100 vol % of oxygen to prepare a lithium transition metal oxide, wherein a concentration of oxygen is reduced according to sintering time, and (c) heat treating a mixture of the lithium transition metal oxide and a boron-containing raw material to form a coating layer on the lithium metal oxide.
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 4/36 - Selection of substances as active materials, active masses, active liquids
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 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
99.
Positive Electrode Active Material for Lithium Secondary Battery and Method for Preparing the Same
A positive electrode active material for a lithium secondary battery having improved high-temperature life and an increase in resistance, and a method for preparing the same are disclosed herein. In some embodiments, a positive electrode active material includes a powder of a positive electrode active material and a lithium boron compound coating layer on the surface of the powder, wherein the lithium boron compound coating layer has a peak intensity ratio of two peaks in the spectrum of Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) that is equal to the peak intensity ratio of the corresponding peaks of LiBO2 within a range of ±50%.
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
Provided is a compound of Chemical Formula 1:
Provided is a compound of Chemical Formula 1:
Provided is a compound of Chemical Formula 1:
wherein: D is deuterium; L1 is a direct bond or a substituted or unsubstituted arylene group; Ar1 is a substituted or unsubstituted aryl group; R1 to R9 are the same as or different from each other, and are each independently hydrogen or deuterium; and a1 is an integer from 1 to 8, and an organic light emitting device including the same. Because the compound includes deuterium in the anthracene core, it exhibits improved mobility of electrons and holes, and improved molecular stability, and an organic light emitting device including the compound has excellent driving voltage, efficiency and service life.
C07D 407/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
H10K 85/60 - Organic compounds having low molecular weight