Abstract: Provided is an isomerization method of cyclohexane dicarboxylic acid using zirconia or titania as an isomerization catalyst.

Abstract: An olefinic polymer and a method for preparing the olefinic polymer are disclosed. The olefinic polymer has excellent melt strength, and thus has excellent bubble stability during blown film molding. The olefinic polymer has (1) a density of 0.9 to 0.95 g/cm3; (2) a melt index (I2.16) of 0.1 to 5.0 g/10 min as measured with a load of 2.16 kg at 190° C.; (3) a ratio between a melt index (I21.6) measured with a load of 21.6 kg and a melt index (I2.16) measured with a load of 2.16 kg at 190° C. (melt flow ratio; MFR) of 20 or more; (4) a melt tension of 55 mN or more at a velocity at break of 350 mm/s; and (5) a maximum velocity at break of 550 mm/s or more.

Abstract: The present invention relates to a battery auto-balancing device and method for an energy storage system, the device comprising: a plurality of battery units each having a battery, a relay for controlling the connection of the batteries to a power line and a battery manager for detecting and transmitting the state of the batteries; and a power converter for detecting the state of the batteries of each of the plurality of battery units, grouping the batteries into a charging group and a discharging group, and performing charging by using the batteries in the charging group or discharging by using the batteries in the discharging group according to a battery operation mode.

Abstract: A wafer boat according to an aspect of the present invention includes: at least one plate on which a plurality of wafers are loaded; and a plurality of pin pairs that are arranged along a first direction from the at least one plate and respectively support corresponding wafers among the plurality of wafers.

Abstract: The present invention relates to a battery parallel wire connection structure of an energy storage system, the system comprising: a power converter provided to select a power line from among a plurality of power lines to supply power; and a plurality of battery managers that are sequentially connected to the power converter and are operated by the power selectively supplied through the power line selected from among the plurality of power lines, wherein the power converter includes a power output port, each of the battery managers includes a power input port and a power output port, and the power input port and the power output port of the battery manager include a power supply port and a plurality of bypass ports, and may be internally wire-connected so that one of the bypass ports of the power input port is connected to the power supply port of the power output port.

Abstract: A method for initial setup of an energy storage system suitable for an installation environment when installing the energy storage system comprises: connecting an energy management system and a user terminal with a USB cable; activating, by the user terminal, a USB network through USB tethering; allocating, by the energy management system, a preset static IP to the USB network; accessing, by the user terminal, a setting server of the energy management system using the static IP; and performing, by the user terminal, initial setup of the energy storage system in the setting server.

Abstract: The present invention relates to a catalyst for a hydrocarbon resin hydrogenation reaction and a preparation method for the same, wherein the catalyst is a nickel powder catalyst including nickel (Ni), copper (Cu), and sulfur (S), and more particularly, a nickel-based catalyst for a hydrogenation reaction, which is added to a hydrogenation reaction in order to improve the color of the hydrocarbon resin. According to an embodiment of the present invention, provided is a catalyst for a hydrogenation reaction, includes 40-80 parts by weight of nickel, 0.01-5 parts by weight of copper, 1-10 parts by weight of sulfur, and 10-60 parts by weight of a silica support based on 100 parts by weight of the entire dried catalyst including a support. Therefore, the catalyst can improve the quality of hydrocarbon resin. Furthermore, the catalyst can provide colorless, odorless, and transparent water-white hydrocarbon resin with improved thermal stability by removing unsaturated bonds in the hydrocarbon resin.

Abstract: A transition metal compound and an olefin polymerization catalyst containing the transition metal compound are disclosed. A method for preparing the transitional metal and a method for preparing the catalyst are disclosed. The transition metal compound has a carbon-bridged cyclopentadienyl-fluorenyl skeleton bearing a substituted bisphenyl group. The olefin polymerization catalyst contains the transition metal compound and a cocatalyst compound.

Abstract: The present invention relates to: a dicyclopentadiene-based resin having excellent compatibility with a base resin and prepared by being copolymerized with a monomer composition comprising a dicyclopentadiene-based monomer and a vinylamide-based monomer; a dicyclopentadiene-based hydrogenated resin; and an adhesive resin composition comprising same. A dicyclopentadiene-based resin according to the present invention is advantageous in terms of having excellent compatibility with various base resins and being providable as an adhesive resin composition capable of achieving remarkably improved adhesive strength.

Abstract: An ingot growing apparatus is disclosed. An ingot growing apparatus according to an aspect of the present invention comprises a growth furnace for growing an ingot, and a main crucible which is accommodated in the growth furnace and accommodates molten silicon, wherein the main crucible comprises: a main crucible bottom portion; a main crucible side portion that extends upwardly from the main crucible bottom portion; and a main crucible inclined portion that has an inclined surface extending upward and outward from the main crucible side portion. In addition, when the molten silicon is supplied from the upper side of the main crucible side portion into the main crucible, the molten silicon is guided into the main crucible along the inclined surface, thereby preventing the molten silicon from splashing around the main crucible.

Abstract: This disclosure relates to a foam-molding mold having channels formed therein and a physical foaming process using the same, and more specifically, the foam-molding mold is characterized by comprising a cavity formed therein for accommodating mixed resin for foaming, and having channels formed therein for guiding gas to the cavity.

Abstract: The present invention relates to a catalyst for olefin polymerization. Specifically, the present invention relates to a hybrid catalyst comprising different transition metal compounds and capable of preparing a polyolefin, particularly a linear low-density polyethylene, which has excellent processability, impact strength, and haze.

Abstract: The present invention relates to an olefin-based polymer, a film prepared therefrom, and preparation methods therefor. An olefin-based polymer according to an embodiment of the present invention has excellent processability, and a film prepared therefrom, particularly, a linear low density polyethylene film has excellent mechanical strength, in particular, drop impact strength.

Abstract: The present invention relates to an olefin-based polymer, a film prepared therefrom, and preparation methods therefor. An olefin-based polymer according to an embodiment of the present invention has excellent processability, and a film prepared therefrom, particularly, a linear low density polyethylene film has excellent mechanical strength and heat sealability, in particular, low-temperature heat sealability.

Abstract: The present invention relates to an inverted perovskite prepared by providing a surface-modified metal oxide nanoparticle as a coating agent for forming an electron transporting layer (or electron transport layer), and using the surface-modified metal oxide nanoparticle as a coating agent prepared in a dispersion type.

Abstract: The present invention relates to an olefin-based polymer and a method for preparing same. Specifically, the present invention relates to an olefin-based polymer for which processability can be controlled according to a change in density, and a method for preparing same. Processability of the olefin-based polymer according to an embodiment of the present invention can be controlled according to a change in density.

Abstract: Provided are an oxidation catalyst for anion exchange membrane water electrolysis exhibiting excellent catalytic activity and electrical conductivity, a uniform particle size distribution and a large surface area, and excellent durability, and a preparation method thereof, an anode for anion exchange membrane water electrolysis and an anion exchange membrane water electrolysis system, each including the oxidation catalyst.

Abstract: The present invention provides a continuous preparation method of cyclododecatriene including: preparing a reaction composition by mixing butadiene, a main catalyst, and a co-catalyst with a toluene solvent; and allowing the reaction composition to react at a reaction pressure higher than a vapor pressure of the butadiene, and a cyclododecatriene composition prepared by the continuous preparation method.

Abstract: The present disclosure relates to a method for crystallizing highly functional polymer by post-processing and crystalline polymer produced by the method, and more specifically, is characterized by producing crystalline polyaryletherketone (PAEK) by heat treating polyaryletherketone (PAEK) provided in the form of pellets or powders at a temperature of glass transition temperature (Tg) to melting point (Tm).

Abstract: The present invention relates to a premelter for pre-melting silicon before supplying to a main crucible capable of accurately measuring an input amount of molten silicon input into an ingot growth crucible, thereby effectively controlling the input amount, and a method for controlling the same. According to an embodiment of the present invention, disclosed is a premelter for pre-melting silicon before supplying to a main crucible, comprising: a preliminary crucible for supplying silicon in a molten state to a main crucible in which an ingot is grown after heating the silicon material in a solid state to become silicon in a molten state; a preliminary crucible moving module configured to tilt the preliminary crucible to one of a first position in which the preliminary crucible contains the solid silicon material or the molten silicon or a second position where the molten silicon in the preliminary crucible flows into the main crucible; and a control unit for controlling the preliminary crucible moving module.