Abstract:
PURPOSE: A coating method of a nanoporous material, a coating layer using thereof, a material including thereof, and a thermal control device and system using thereof are provided to seal has in the nanoporous material, and to obtain a lot of active nucleation sites. CONSTITUTION: A coating method of a nanoporous material for thermal controlling comprises the following steps: functioning an organic functional group on the surface of the nanoporous material with nano unit minute pores; functioning the organic functional group on the surface of a substrate to coat the nanoporous material; and covalently bonding the surface of the nanoporous material on the surface of the substrate. The nanoporous material is selected from the group consisting of zeolite, a mesopore material, and a porous organic/inorganic hybrid material.
Abstract:
A method for producing a nanostructure having large pores by microwave-irradiation is provided to shorten a processing time while reducing reactor capacity. A method for producing a nanostructure having large pores comprises the following steps of: mixing precursor, surfactant, water and acid, adjusting pH to 5-7 and aging the mixture; hydrothermally reacting the mixture in a microwave reactor to manufacture a nanostructure; and removing the remaining surfactant in the pores of the nanostructure. The surface area of the nanostructure is 350 m^2/g or greater. The volume of nanopores of 1nm or less is 0.05 cc/g or less. The large pores of the nanostructure have pore size of 20-100nm.
Abstract:
본 발명은 다공성 유무기혼성체 (porous organic inorganic hybrid materials)의 신규 제조방법으로서, 수득되는 다공성 유무기혼성체를 무기염으로 처리하여 정제하는 단계를 포함하며, 특히, 불산을 사용하지 않는 것을 특징으로 하는 제조 방법, 상기 제조 방법에 의하여 제조된 다공성 유무기혼성체 및 이의 촉매적 용도에 관한 것으로서, 상기 다공성 유무기혼성체는 높은 표면적과 분자크기 또는 나노크기의 세공을 갖고 있어 흡착제, 기체 저장, 센서, 멤브레인, 기능성 박막, 촉매 및 촉매 담체 등에 사용될 수 있으며 세공크기보다 작은 게스트 분자를 포집하거나 세공크기를 이용하여 분자들을 분리하는데 사용될 수 있다. 유무기혼성체, 수열합성, 나노입자, 세공물질, 촉매, 마이크로파 합성
Abstract:
본 발명은 결정성의 다공성 유무기 혼성체 및 그의 제조 방법에 관한 것으로서, 구체적으로 결정성의 다공성 유무기 혼성체는 하나 이상의 무기 금속 전구체, 하나 이상의 리간드로 작용할 수 있는 유기 화합물 및 용매를 함유하는 반응물 혼합액을 제조하는 단계 (단계 1); 및 상기 반응물 혼합액으로부터 반응을 통하여 결정성 유무기 혼성체를 형성하는 단계 (단계 2) 를 포함하는 방법에 의해 제조되고, 상기 반응은 3 기압 이하의 압력에서 수행된다. 유무기 혼성체, 수열합성, 나노입자, 세공물질, 흡착제, 휘발성유기화합물(VOC)
Abstract:
PURPOSE: A crystalline porous organic-inorganic hybrid material and a method for preparing the same are provided to increase the speed of a crystallizing process while the high concentration of a synthesizing condition is maintained. CONSTITUTION: A reactant mixed solution containing one or more inorganic metal precursors, one or more organic compounds, and a solvent is prepared. The organic compound functions as ligand. Crystalline porous organic-inorganic hybrid material is prepared based on the reactant mixed solution. The metal precursor is metal containing one or more of Cr, Fe, Al, Cu, Mn, Ti, Zr, Sn, and V. Impurities contained in the crystalline porous organic-inorganic hybrid material is refined.
Abstract:
PURPOSE: Ultraporous organic-inorganic composites produced with inorganic-organic hybrids covalent-bonded with mesocellular mesoporous materials are provided to secure wide surface area, multiple pore structure, large-scale pore volume, and chain flexibility. CONSTITUTION: Ultraporous organic-inorganic composites are produced with inorganic-organic hybrids covalent-bonded with mesocellular mesoporous materials. The mesocellular mesoporous materials have organic groups on the surface thereof. A method for producing the ultraporous organic-inorganic composites comprises the following steps of: mixing organic precursor, inorganic precursor, and surfactant and allowing them to react to obtain mesoporous cellular foam MCF-R; adding the mesoporous cellular foam MCF-R to a mixed precursor solution of metal-organic frameworks(MOF) and non-porous organic-inorganic hybrids(NOIH); and crystallizing the MCF-R-MOF ultraporous organic-inorganic composites.
Abstract:
A preparation method of porous organic-inorganic mesopores is provided to disperse highly precious metals such as palladium by using chelate molecules, increase removal efficiency of harmful substances by preparing inorganic-organic mesopores using mesoporous organic-inorganic silica as a raw material, and easily adsorb a specific lipophilic harmful substance and highly disperse an active metal into cavities of porous mesopores by containing lipophilic groups in the structure of mesopores. A preparation method of porous organic-inorganic mesopores comprises the steps of: (a) mixing a mixed solution of a metal salt and a chelate compound, an organic-inorganic silica precursor, and a polymer surfactant mixture to form a meso-structure; and (b) removing a chelate agent and a surfactant from the meso-structure. The preparation method comprises the step of reducing porous organic-inorganic mesopores into which the metal salt is dispersed to prepare porous organic-inorganic mesopores into which metal is dispersed after performing the step(b). The metal salt is a salt of at least one precious metal of groups 8B to 11B. The metal salt is a palladium(Pd) salt, a platinum(Pt) salt, a gold(Au) salt, and mixtures thereof. The chelate agent is polyethylene glycol, polypropylene glycol, ethylene glycol, or mixtures thereof. The surfactant is selected from an ionic surfactant, an amphoteric polymer surfactant, and Pluronic.
Abstract:
PURPOSE: A porous organic-inorganic hybrid, a manufacturing method thereof, an adsorbent comprising the same, and an application thereof are provided to have excellent adsorbing ability at the low relative humid condition by dipping an ionic compound or a polar compound to the porous organic-inorganic hybrid. CONSTITUTION: A manufacturing method of a porous organic-inorganic hybrid comprises the following step. A supplementary inorganic material is dipped to a moist adsorbent which is the porous organic inorganic hybrid in a crystallized form with constant rate or additionally mixed, and dipping inorganic salt with adsorption or hygroscopic ability to the porous organic inorganic hybrid. The supplementary inorganic material is selected from silica, alumina, mesopore, zeolite, boehmite, layer structured compounds, clay, carbon, graphite, graphene, and a combination thereof. The weight ratio of the supplementary inorganic material to the moist adsorbent is 0.1-200 parts by weight based on 100 parts by weight of organic-inorganic hybrid.
Abstract:
본 발명은 유무기 혼성체 및 거대 메조세공 물질로부터 형성된 공유결합 나노세공 복합체 및 이의 제조방법과 응용에 관한 것으로서, 더욱 상세하게는 금속 유기 골격제(MOF)와 표면에 유기 관능기를 함유하고 있는 10 nm 이상 크기의 거대 메조세공 물질로부터 형성된 공유결합 나노세공 복합체에 관한 것으로, 특히 신규의 유무기 하이브리드 나노세공 복합체는 거대 표면적, 다중 세공구조, 큰 세공부피, 유기물과 무기물 특성이 혼합된 혼성체, 유무기 혼성체의 골격유연성 등을 갖고 있어 수소, 메탄 등 기체 및 액체 저장체, 흡착제, 촉매, 분리막 등으로 광범위하게 사용될 수 있다. 또한 본 발명에서 제조된 유무기 하이브리드 나노세공 복합체의 거대 세공크기, 대표면적 및 높은 세공부피 등은 바이오 분자 담지, 약물전달 물질, 유해물질 제거, 나노입자 담지, 자성체, 센서, 형광체, 태양광 활용 등의 응용분야에 사용될 수 있다. 유-무기 나노세공체, 골격구조 나노세공체, 메조세공체, MOF, MCF