Abstract: The present invention relates to a method for preparing a modified conjugated diene-based polymer, and more particularly, provides a method for preparing a modified conjugated diene-based polymer including a step of polymerizing a conjugated diene-based monomer in the presence of an organometal compound in a hydrocarbon solvent to prepare an active polymer which is coupled with an organometal (S1); and a step of reacting or coupling the active polymer prepared in step (S1) with a modifier (S2), wherein step (S1) is continuously performed in two or more polymerization reactors, and a polymerization conversion ratio in a first reactor among the polymerization reactors is 50% or less.

Abstract: Provided are a nanoparticle-polymer fluorescent composite and a method of preparing the same. The method includes preparing magnetite (Fe3O4)nanoparticles, mixing the magnetite (Fe3O4) nanoparticles, an organic polymer having an aliphatic carbon chain, and a solvent for dissolving the organic polymer to prepare a preliminary composite and drying the preliminary composite to form a nanoparticle polymer composite, and irradiating a pulse laser to the nanoparticle polymer composite to change the magnetite (Fe3O4) nanoparticles to Wustite nanoparticles and providing conjugated polymer characteristics to the organic polymer.

Abstract: The present invention relates to a modified conjugated diene-based polymer, a method of preparing the same, and a rubber composition including the same, and more specifically provides a rubber composition which includes a repeating unit derived from a conjugated diene-based monomer having a trans-1,4 bond content of 80 wt % or more and a functional group derived from an alkoxysilane-based modifier, a method of preparing the same, and a rubber composition including the same.

Abstract: The present specification relates to a block polymer and a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly and a redox flow battery including the polymer electrolyte membrane.

Abstract: The present invention relates to a feed additive comprising a Bacillus subtilis strain and a Bacillus licheniformis strain, a feed composition comprising the feed additive, and a method for producing the feed additive.

Abstract: The present invention relates to a modified conjugated diene-based polymer, and more particularly, provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer and includes at one terminal, a functional group derived from a modifier which includes a compound represented by Formula 1, and a method for preparing the same.

Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a substrate; a data line and a thin film transistor disposed on the substrate; a common electrode and a pixel electrode disposed on the thin film transistor and overlapping each other by interposing an insulating layer therebetween; a roof layer formed to be separated from the pixel electrode and the common electrode while interposing a microcavity therebetween and having an injection hole partially exposing the microcavity; a liquid crystal layer filling the microcavity; an overcoat formed on the roof layer to cover the injection hole and sealing the microcavity. The pixel electrode includes an auxiliary electrode that is formed on the data line, the auxiliary electrode overlapping and being insulated from the data line.

Abstract: The present invention relates to a method for measuring a polymer modification ratio, and more particularly, to a method for measuring a polymer modification ratio, which includes preparing a first solution by dissolving a polymer mixture containing a modified polymer and an unmodified polymer in a first solvent, injecting the first solution into a column filled with an adsorbent, adsorbing the modified polymer onto the adsorbent, and eluting the first solution in which the unmodified copolymer is dissolved, transferring the eluted first solution to a detector, injecting a second solvent into the column to elute the second solution in which the adsorbed modified polymer is dissolved, and transferring the eluted second solution to the detector.

Abstract: The present invention relates to a fan with a cold air function which, through supply of liquid oxygen (LOX), has a strong cold air function and at the same time provides an air cleaning effect by supplying oxygen. A fan including a base part (10) equipped with a plurality of buttons (11), a main body part (20) installed on the top of the base part (10), a motor part (30), rotary blades (40) coupled to a motor shaft at the front of the motor part (30), and a protection net (50) installed to surround the rotor blades (40), the fan comprises: a mounting part (60) in which a liquid oxygen (LOX) charge canister (62) is removably mounted; an opening and closing controller (63) for controlling the output amount of an oxygen gas discharged from the charge canister (62) mounted in the mounting part (60); and a discharge pipe (64) which is connected to the opening and closing controller (63) and configured in such a manner that the discharged oxygen gas is diffused through the rotary blades (40) to the front.

Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.

Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.

Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.

Abstract: A curved display device includes: a substrate including a display area; a plurality of thin film transistors disposed on the substrate; a plurality of pixel electrodes respectively connected to the plurality of thin film transistors; a liquid crystal layer disposed on the pixel electrodes and filling a plurality of microcavities; a common electrode facing the plurality of pixel electrodes and separated with the plurality of microcavities; and a roof layer formed on the common electrode. The plurality of microcavities are formed in a matrix form including a plurality of columns and rows, and the display area includes an edge portion and a center portion. A first height of the plurality of microcavities formed at the edge portion of the display area is lower than that a second height of the plurality of microcavities formed at the center portion of the display area.

Abstract: Provided an electronic device including a semiconductor memory. The semiconductor memory may include: a selecting element; a variable resistance element electrically coupled to the selecting element through a first conductive plug; a first line electrically coupled to the variable resistance element through a second conductive plug; a second line electrically coupled to the selecting element through a third conductive plug; and one or more barrier layers arranged to form one or more electrical connections with the variable resistance element or the selecting element or the both and operated as an insulator or conductor according to a resistance state of the variable resistance element during a read operation.

Abstract: A display device includes a substrate, a thin film transistor, a pixel electrode, a roof layer, a plurality of microcavities, a groove, liquid crystal molecules, and an encapsulation layer. The thin film transistor is disposed on the substrate. The pixel electrode is connected to the thin film transistor. The roof layer is disposed on the pixel electrode so as to be spaced apart from the pixel electrode while interposing the plurality of microcavities. The groove is formed in a first surface of the roof layer. The liquid crystal molecules are disposed in the microcavities. The encapsulation layer is disposed on the roof layer and seals the liquid crystal molecules in the microcavities.