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    • 30. 发明公开
    • 수분의 흡착 및 탈착을 위한 흡착제
    • 吸收水分吸收和吸收
    • KR1020070092592A
    • 2007-09-13
    • KR1020060121071
    • 2006-12-02
    • 한국화학연구원
    • 장종산정성화황영규
    • B01J20/02B01J20/00B01J20/22B82Y30/00
    • B01J20/226B01D53/263B01D53/28B01D2253/204B01D2253/304B01D2253/306B01D2253/308B01D2253/311B01J20/02B01J20/0214B01J20/0218B01J20/0229B01J20/28033B01J20/28066B01J20/28076B01J20/2808B01J20/30B01J20/3078B01J20/3085B01J20/3204B01J20/3208B01J20/3236B01J20/3242B01J20/3248B01J20/3255B01J2220/68C07F11/005
    • 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.
    • 提供了大量吸附水分并且即使在相对低的温度下也容易解吸水的吸附剂,并且提供了通过施加多孔有机 - 无机复合物而具有优异的吸附量和吸附性能的吸附剂。 使用多孔有机 - 无机复合物的吸水剂的特征在于,吸附剂的表面积不小于1000m 2 / g,孔体积不小于1.0ml / g,孔径为0.5-2 并且通过金属前体和配体之间的反应获得。 多孔有机 - 无机络合物在100℃下的水吸附量与室温下的吸附量的比小于0.2。 金属前体是选自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和Bi或其化合物。 通过包括以下步骤的方法制备多孔有机 - 无机复合物:(1)将金属前体,用作配体的有机材料和溶剂混合以制备反应物混合溶液; 和(2)将0.3〜300GHz的微波照射到反应物混合溶液上,从而将反应物混合溶液加热至100℃以上。 多孔有机 - 无机复合体以厚膜,薄膜或膜的形式制备。