Abstract:
PURPOSE: A functionalizing method of porous metal-organic backbone materials, a solid catalyst using the same and a hydration method using the same are provided to effectively dehydrate alcohol as being operated as solid acid catalyst. CONSTITUTION: A functionalizing method of porous metal-organic backbone materials comprises the following steps: manufacturing suspended solution by mixing a compound which concurrently has thiol group and a location which can be coordinated with the porous metal - organic backbone material; heating the suspended solution from the first step; oxidizing the heated suspended solution with an oxidizer or oxidizing solid material obtained by solid-liquid separating the heated suspended solution by using the oxidizer; separating the solid from the reactant; and drying the separated solid.
Abstract:
A manufacturing method of chalcopyrite type compound by radiating a microwave is provided to supply the chalcopyrite type compound in which non-interactant or oxide is not mixed by improving solubilities of the VI family elemental powder Cu salt which is generated reactant when manufacturing the chalcopyrite type compound consisting of III family element and VI family element, III family element and VI family elemental powder, and to mass-produce efficiently a high purity of chalcopyrite compound because a reaction time is short and a non-interactant does not remain. A mixed solution is manufactured by mixing a Cu salt, a III group element salt and a Vl family elemental powder into a mixture of a chelating agent, and an ionic liquid or the chelating agent and the ionic liquid. The mixed solution is injected in a reactor and heat by irradiating a microwave. The Chalcopyrite type compound is expressed by chemical formula 1 of CuM^1M^22. In the chemical formula 1, M is one or more selected from the III group element. M is one or more selected from the Vl group element.
Abstract:
A porous organic-inorganic hybrid and a moisture adsorbent using the same are provided to increase the amount of adsorbed moisture and facilitate the desorption of moisture even at a temperature of no more than 100°C, by using an iron-containing porous organic-inorganic hybrid. A moisture adsorbent is formed by using iron-terephthalate or iron-benzene tricarbonate. The moisture adsorbent is produced by heating a reactant mixture solution through electric heating and microwave irradiation. The reactant mixture solution is prepared by an iron precursor such as iron or iron salt, an organic ligand such as terephthalic acid or benzene tricarboxylic acid, a solvent, and a reaction accelerant such as a mixture of hydrofluoric acid and nitric acid. The moisture adsorbent has a surface area of 1,700-10,000 m^2/g and a pore volume of 0.8-10 mL/g. Further, a temperature of heating the reactant mixture solution is 100-250°C.
Abstract:
A method for preparing an olefin trimer and a method for preparing an alkylate having a high boiling point by using the olefin timer are provided to increase conversion rate and yield. An olefin trimer is prepared by using an acid catalyst comprising both Bronsted acid and Lewis acid or an acid catalyst obtained by sintering or washing the acid catalyst. Preferably the acid catalyst is prepared by introducing BF3, BCl3, BI3, SbF5, SbCl5, AlCl3, AlBr3, TiCl4, TiBr4, ZrCl4, PF5, FeCl3, FeBr3, SnBr4 or SnCl4 to a porous body such as hydrogen type zeolite or aluminophosphate, or an ion exchange resin having at least one acid group selected from a sulfonic acid group, a carboxyl group and a phosphoric acid group.
Abstract:
A preparation method of porous molecular sieves is provided to make it possible to prepare porous molecular sieves with various particle sizes and allow the prepared porous molecular sieves to be applied to various purposes by performing a hydrothermal or solvothermal reaction and controlling the temperature increasing rate of a heating process for obtaining a high temperature. In a preparation method of a porous molecular sieve by heat-treating a metal precursor and an oxygen precursor or an organic ligand as reaction raw materials in a state that a solvent presents, the preparation method comprises varying a temperature increasing rate that reaches a heat treatment temperature to control the size of an obtained porous molecular sieve. The preparation method comprises using microwave heating or an infrared lamp to maintain a high temperature increasing rate. The preparation method comprises using electrical heating to maintain a low temperature increasing rate. The preparation method comprises injecting reactants into a continuous reactor and reacting the reactants to minimize the temperature increasing rate that reaches a heat treatment temperature.
Abstract:
An electrode active material is provided to reduce a side reaction with an electrolyte and to ensure structural stability, thereby improving performances of a battery. An electrode active material includes acid sites on a partial or whole surface thereof. The electrode active material having controlled acid strength on the surface is manufactured by a step of treating a partial or whole surface of an electrode active material with a resultant formed by chemically reacting (a) a proton-donating or accepting compound, or an electron-pair-donating or accepting compound with (b) a compound having acid sites. The acid strength in the acid site has a Hammett indicator ranging from -10 to 10.
Abstract:
A method for preparing an olefin trimer is provided to improve the selectivity and productivity of the trimerization of an olefin by using a catalyst with improved lifespan, and to allow conversion of the olefin trimer into a high boiling point alkylate useful as an additive for a high-quality solvent and gasoline. A method for preparing an olefin trimer comprises the use of zeolite as a catalyst, wherein the zeolite has inter-crossing micropores formed of micropores containing 12 oxygen atoms, and micropores containing 12 oxygen atoms and/or micropores containing 10-6 oxygen atoms crossing over the same. The olefin trimer obtained by the method is further hydrogenated to provide a high boiling point alkylate. The zeolite having inter-crossing micropores has a Beta, Al-rich Beta, boron-containing Beta zeolite, gallium-containing Beta zeolite, titanium-containing Beta zeolite, CIT-6, Beta zeolite merely formed of silica or Tschernichite structure.
Abstract:
An adsorbent which adsorbs water in a large amount, and can desorb water easily even at a relatively low temperature, and an adsorbent that is excellent in the adsorption amount and adsorption properties by applying a porous organic-inorganic complex are provided. A water adsorbent using a porous organic-inorganic complex is characterized in that the adsorbent has a surface area of not less than 1000 m^2/g, a pore volume of not less than 1.0 ml/g and a pore size of 0.5 to 2 nm, and is obtained by the reaction between a metal precursor and a ligand. A ratio of the water adsorption amount at 100 deg.C to that at a room temperature of the porous organic-inorganic complex is less than 0.2. The metal precursor is at least one metal selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Hg, Mg, Ca, Sr, Ba, Sc, Y, Al, Ga, In, Tl, Si, Ge, Sn, Pb, As, Sb and Bi, or compounds thereof. The porous organic-inorganic complex is prepared by a method comprising the steps of: (1) mixing a metal precursor, an organic material functioning as a ligand, and a solvent to prepare a reactant mixed solution; and (2) irradiating 0.3 to 300 GHz of microwave onto the reactant mixed solution, thereby heating the reactant mixed solution to a temperature or 100 deg.C or more. The porous organic-inorganic complex is prepared in the form of a thick film, a thin film, or a membrane.
Abstract:
A method for preparing a trimer by using an olefin, and a method for preparing an alkylate are provided to improve the selectivity of trimers and to increase the viscosity of an alkylate. A preparation method of a trimer comprises the step of polymerizing an olefin in the presence of a zeolite catalyst comprising a pore having 12 oxygen atoms, a pore crossing with the pore and having 12 oxygen atoms and/or having 6-10 oxygen atoms. Preferably the reaction is carried out at a temperature of 50-100 deg.C and with a space velocity of 0.5-100 h^-1. Preferably the olefin is isobutene; and the zeolite catalyst is zeolite beta, Al-rich beta, boron-containing zeolite, gallium-containing beta zeolite, titanium-containing beta zeolite, CIT-6, beta zeolite comprising silica only, or zeolite having Tschernichite structure.
Abstract:
본 발명은 올레핀의 올리고머화 반응, 특히 삼량체의 생성반응에 관한 것이며 올리고머화 반응에 있어서 상호 교차하는 세공을 갖는 제올라이트를 촉매로 사용하여 선택적으로 삼량체를 얻는 방법을 제공하는 것이다. 본 발명의 삼량체는 네오산(neo-acid)등의 원료로 사용되기도 하며 수소화 반응을 거쳐 고비점 알킬레이트로 전환되어 고급 용제 및 경유 첨가제로 사용될 수 있다. 올리고머화, 제올라이트, 고비점알킬레이트, 삼량체, SUZ-4, ferrierite