Abstract: Provided is a method of manufacturing an ethylene-acrylic acid copolymer including the step of (S1) supplying an ethylene monomer and an acrylic acid comonomer to a polymerization reactor to manufacture an ethylene-acrylic acid copolymer; (S2) supplying an acrylic acid comonomer-containing mixture discharged from a front or rear end of the polymerization reactor and a cleaning solvent to a cleaning unit; and (S3) dissolving an polyacrylic acid derived from the acrylic acid comonomer contained in the mixture in the cleaning solvent. The cleaning solvent includes a polyhydric alcohol-based solvent.

Abstract: The present invention relates to lipids for drug delivery, nanoparticles comprising same, and a composition for drug delivery comprising the nanoparticles. More specifically, the present invention relates to: lipids useful for drug delivery since the lipids can easily form a complex with an anionic drug due to a specific structure thereof, and the complex can be encapsulated inside nanoparticles formed by an amphiphilic block copolymer; nanoparticles comprising same; and a composition for drug delivery comprising the lipids and a composition for drug delivery comprising the nanoparticles.

Abstract: The present invention relates to a high-melt-strength polypropylene resin, and a preparation method therefor. A method for preparing the high-melt-strength polypropylene resin, according to the present invention, comprises the steps of: creating a polypropylene by polymerizing propylene monomers in the presence of a metallocene catalyst; and putting a diene compound and a comonomer into the created polypropylene and unreacted propylene monomers and reacting same, thereby forming a C40 or greater long-chain branch on the main chain of the polypropylene.

Abstract: An organic electroluminescence device includes a first electrode, a second electrode disposed on the first electrode, and functional layers disposed between the first electrode and the second electrode. At least one functional layer of the functional layers includes a compound represented by Formula 1, thereby having low driving voltage, high light emission efficiency, and long life characteristics.

Abstract: The present invention relates to a novel Bifidobacterium bifidum MG731 strain and a composition for preventing or treating cancers, comprising the same. Specifically, the Bifidobacterium bifidum MG731 strain of the present invention has effects of inhibiting the proliferation of cancer cells, decreasing the mobility of cancer cells, inhibiting the neoangiogenesis, and increasing the anticancer immune response as well as reducing the expression of inflammatory factors, thereby having effects of preventing or treating cancers or inflammatory diseases. In addition, when used in combination with an anticancer chemotherapeutic agent or an anticancer immunotherapeutic agent, the Bifidobacterium bifidum MG731 strain of the present invention exhibits a better anticancer effect. In addition, the present invention relates to a novel Lactococcus lactis GEN3033 strain and a composition for preventing or treating cancers, comprising the same.

Abstract: Provided are a compound of Formula (1-10) capable of improving the light-emitting efficiency, stability, and lifespan of an organic electronic element, a composition comprising the same, an organic electronic element using the same, and an electronic device thereof.

Abstract: A battery pack fire extinguishing system includes: a compressor configured to compress a refrigerant; a condenser connected to the compressor through a first conduit and configured to condense the refrigerant; an evaporator connected to the condenser through a second conduit and connected to the compressor through a third conduit, the evaporator being configured to absorb ambient heat; a battery cell on the evaporator; and a refrigerant injector connected to the second conduit, above the battery cell, and configured to melt when vent gas is discharged from a vent hole in the battery cell to inject the refrigerant into the battery cell.

Abstract: The present invention, which is a food composition for alleviating diabetes that contains Schisandra chinensis fruit water and bean juice as active ingredients, has a high inhibitory activity against ?-glucosidase and prevents a rise of the blood sugar after meals, thereby alleviating diabetes. The food composition for alleviating diabetes can be prepared in different forms, such as soy milk, powdered soy milk, other forms of soy milk, or processed bean curd, and used in the preparation of health functional foods for blood sugar control or foods for diabetics according to the Special Purpose Foods of the general foods. In addition, the food composition for alleviating diabetes according to the present invention, when further containing a saccharified material of grain, maintains viscosity similar to that of regular soy milk by preventing agglomeration of the liquid soy milk and improves sensory properties, so it can be suitable for use in beverages such as soy milk or other forms of soy milk.

Abstract: Provided is a catalyst for preparing 1,3-cyclopentanediol by hydrogenation of 4-hydroxy-2-cyclopentenone, the catalyst including: a carrier including ?-Al2O3; and an active metal supported on the carrier.

Abstract: An organic light-emitting device is provided. The device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. Various possibilities for the constituents of chemical structures in Formulas 1 and 2 are presented.

Abstract: The organic compound represented by chemical formula 1 of the present disclosure can implement excellent hole injection and hole transport characteristics. In addition, the hole transport auxiliary layer of the organic light emitting diode of the present disclosure can improve the driving voltage, efficiency, and lifetime characteristics of the organic light emitting diode by including the organic compound represented by Chemical Formula 1 of the present disclosure.

Abstract: The present invention relates to a heterogeneous catalyst for making a dicarboxyl acid aromatic heterocyclic compound and a method for preparing a dicarboxyl acid aromatic heterocyclic compound, and according to the present invention, an oxide with improved yield and purity can be produced by an oxidation reaction of a bio-based aromatic heterocyclic compound under a heterogeneous catalyst.

Abstract: Provided are a compound represented by Formula (1) capable of improving the light-emitting efficiency, stability, and lifespan of an element; a composition comprising the same; an organic electronic element using same; and an electronic device thereof.

Abstract: An organic light-emitting device is provided. The device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. Various possibilities for the constituents of chemical structures in Formulas 1 and 2 are presented.

Abstract: The present disclosure is that plating steel with spangles can be subjected to constant humidity heat treatment. Due to this, the degree of blackening is different depending on the spangle pattern, and then a black plated steel sheet having a marble texture and a beautiful pattern can be obtained when the blackening is completed.

Abstract: The present invention relates to a method for preparing a dicarboxyl acid aromatic heterocyclic compound and a dicarboxyl acid aromatic heterocyclic compound obtained thereby. According to the present invention, an oxide with improved yield and purity can be produced by an oxidation reaction of a bio-based hydroxyl-free aromatic heterocyclic compound under a heterogeneous catalyst.

Abstract: A sidestream smoke removing device includes a housing having a smoking space defined therein, an article inserting part positioned on one end of the housing and having an open area through which a smoking article is inserted into the smoking space, and a sidestream smoke processing part positioned at a distance from an upstream end of the smoking article inserted into the smoking space and configured to process sidestream smoke produced from the smoking article. The sidestream smoke processing part includes a filter including a filter included of pressed activated carbon having a plurality of holes allowing the sidestream smoke to pass therethrough and a ventilation fan configured to allow the sidestream smoke to be discharged through the filter. The sidestream smoke removing device obtains superior functionality in terms of a sidestream smoke removal rate and deodorizing performance while maintaining a suitable flow rate therein.

Abstract: The present invention relates to a polyester or polyurethane polymer comprising a biomass-derived 1,3-cyclopentanediol monomer, and a method for preparing same.