Porous material composed of layered silica and metal oxide and a process for manufacturing the same
A porous material composed of many SiO4 tetrahedra sheets having interlayer bridges of SiO2. It has pores having a diameter of 10 ANGSTROM or above, and possesses the properties of a solid acid formed by the isomorphous substitution of metal atoms for Si of SiO4 frameworks. It is made by a process i...
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| creator | INAGAKI SHINJI KATO CHUZO OKADA AKANE KURODA KAZUYUKI FUKUSHIMA YOSHIAKI |
| description | A porous material composed of many SiO4 tetrahedra sheets having interlayer bridges of SiO2. It has pores having a diameter of 10 ANGSTROM or above, and possesses the properties of a solid acid formed by the isomorphous substitution of metal atoms for Si of SiO4 frameworks. It is made by a process including introducing an organic substance into interlayer space of crystals of layered silicates to expand the spacing between crystal layers, as well as forming bridges of SiO2 therebetween, bringing the intercalated compounds into contact with a metal salt to link metal atoms to the SiO4 frameworks, and firing the products. The material can withstand a temperature of 800 DEG C., has a pore diameter larger than that of zeolites, etc., and is useful in making an adsorbent or catalyst for molecules having a high molecular weight, such as a catalyst for the catalytic cracking of petroleum. |
| format | Patent |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Porous material composed of layered silica and metal oxide and a process for manufacturing the same |
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