Abstract: A method of producing adipic acid using glucose as a starting material, in which adipic acid is finally obtained via an alkyl adipate intermediate from a glucaric acid potassium salt.

Abstract: Disclosed is a method of recovering a metal catalyst during production of an adipic acid from glucose. The method of recovering and the metal catalyst may provide economic feasibility of the adipic acid production process.

Abstract: Disclosed are a composition including a Pseudomonas sp. strain having excellent plastic degradation activity and the use thereof. The Pseudomonas sp. Strain may include Pseudomonas sp. JNU 01 (Accession No: KCTC 14861BP).

Abstract: Disclosed are a polyurethane adhesive composition having excellent adhesive performance and a method of preparing the composition. The polyurethane adhesive composition includes an ether-based compound containing an epoxide functional group a polyether carbonate polyol containing a carbonate bond so as to implement a carbon reduction effect. The polyurethane adhesive composition includes a admixture including (i) a polyether carbonate polyol containing a carbonate bond and (ii) an isocyanate compound, and an ether-based compound containing an epoxide functional group.

Abstract: Disclosed are a polyurethane elastomer composition and a method for preparing the same. The polyurethane elastomer composition may have excellent low-temperature property performance and include a polyether carbonate polyol, an isocyanate compound, and a chain extender.

Abstract: The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.

Abstract: The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.

Abstract: Disclosed are a low-carbon polyurethane foam composition and a method for preparing the same. The low-carbon polyurethane foam composition may have improved foam cell uniformity while contributing to carbon reduction goals as a result of applying a polyether carbonate polyol containing a carbonate bond. The method for preparing the low-carbon polyurethane foam composition may include reacting a polyol mixture including a carbonate bond-containing polyether carbonate polyol and a petroleum-based polyether polyol, an isocyanate, and a silicone surfactant.

Abstract: Disclosed are a catalyst used for converting carbon dioxide to methanol by hydrogenation and a method preparing the sane. The caratlys may include: a mesoporous indium oxide; and a catalyst supported on the mesoporous indium oxide. Preferably, a porous structure of the mesoporous indium oxide may have Ia3d symmetry and may include mesopores and micropores interconnecting the mesopores.

Abstract: Disclosed are a composite cellulose nanosheet with excellent transparency and strength and manufacturing method thereof. The manufacturing method of a composite cellulose nanosheet includes: preparing a dispersion including a cellulose nanofiber and a cellulose nanocrystal; preparing a nanosheet support with the dispersion; contacting the nanosheet support with a crosslinking agent; and placing the nanosheet support that has contacted the crosslinking agent between two sheets of barrier materials such as two sheets of glass plate.

Abstract: Disclosed is a method for preparing a catalyst for a gasoline reaction of dimethyl ether that includes reacting a silica source, an aluminum source, and a structural derivative to synthesize a zeolite sol, mixing an alcohol with an organic template to form an emulsion phase, and adding a zeolite sol to the emulsion phase to perform a reaction.

Abstract: Disclosed are a polyol composition using carbon dioxide, a method for preparing a polyurethane foam using the polyol composition, and a polyurethane foam prepared using the method. A method for preparing a polyurethane foam includes reacting isocyanate with a polyol composition containing a polyol compound having a synthetic polyol containing carbon dioxide, a chain extender, and a foaming agent.

Abstract: A polyurethane adhesive composition for carbon emission reduction, and a method of preparing same, includes polyether polyol containing a carbonate linkage, thus exhibiting a carbon emission reduction effect and good or desirable adhesion performance. The polyurethane adhesive composition is obtained by mixing a polyol mixture including polyether polyol containing a carbonate linkage and polytetramethylene glycol with an isocyanate in appropriate amounts and allowing the resulting mixture to react.

Abstract: The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.

Abstract: Disclosed is a method for preparing a catalyst for a gasoline reaction of dimethyl ether that includes reacting a silica source, an aluminum source, and a structural derivative to synthesize a zeolite sol, mixing an alcohol with an organic template to form an emulsion phase, and adding a zeolite sol to the emulsion phase to perform a reaction.

Abstract: A method of preparing a catalyst for synthesizing dimethyl ether from synthetic gas includes preparing a mesoporous ferrierite zeolite (FER), and co-precipitating a precursor of a mesoporous ferrierite zeolite and a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/mesoFER catalyst.

Abstract: Disclosed is a method of manufacturing an electrolyte membrane for fuel cells. The method includes preparing an electrolyte layer including one or more ion conductive polymers that form a proton movement channel, and permeating a gas from a first surface of the electrolyte layer to a second surface of the electrolyte layer.

Abstract: A method for manufacturing a cellulose nanofiber film is provided. The method includes preparing cellulose nanofiber dispersion, performing a chemical crosslinking by adding an epichlorohydrin-based material to the cellulose nanofiber dispersion to prepare a planar body and performing physical crosslinking in which a metal chloride is added to the planar body.

Abstract: A method of manufacturing a cellulose nanofiber film includes: oxidation-treating cellulose fibers with TEMPO (2,2,6,6-tetramethylpiperidin-1-yl)oxyl) to prepare a cellulose fiber dispersion; treating the cellulose fiber dispersion with a high pressure homogenizer to defibrate it and to prepare a cellulose nanofiber suspension; and mixing glycerol or a derivative thereof with the cellulose nanofiber suspension, followed by coating and drying the resultant to form a film.

Abstract: Disclosed is a composite film including a nanocellulose film including cellulose nanofibers stacked in a structure including a plurality of pores; and a polycarbonate resin filling the pores in the nanocellulose film and including a repeating unit that comprises a moiety derived from isosorbide.