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Two types of organic-inorganic hybrid base catalysts are prepared. Organic-functionalized molecular sieves (OFMSs), particularly ''amine-immobilized porous silicates'', are designed based on common idea to immobilize catalytic active sites on silicate surface. Silicate-organic composite materials (SOCMs), such as ''ordered porous silicate-quaternary ammonium composite materials'', are the precursors...
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