COMPOSITE MATERIAL OF CYCLODEXTRIN AND POROUS SILICA PARTICLE, AND ITS PRODUCTION METHOD, METAL EXTRACTOR, CESIUM EXTRACTOR AND GAS ADSORBER

摘要

PROBLEM TO BE SOLVED: To provide a composite material of cyclodextrin and a porous silica particle useful for extraction of a metal or the like.SOLUTION: This composite material includes a polymer of cyclodextrin and a porous silica particle containing 3.0 mass% or more AlO, and a plurality of pores, where the polymer exists at least any of an outer surface of the porous silica particle and within the pore.