Preparation of submicron-sized porous titanium oxide particles by the swelling process
作者： Jhin-Hong You , Keh-Ying Hsu
DOI: 10.1016/J.CHERD.2010.01.033
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摘要: Abstract A method to prepare submicron-sized porous titanium oxide (TiO2) particles is studied in this work. Polystyrene (PS) template were prepared by emulsifier-free emulsion polymerization. The polymer templates dispersed the aqueous solution have been used for entrapping titanium(IV) isopropoxide (TTIP), swelling process a suitable solvent mixture containing (good or poor solvent), TiO2 precursor and chelating agent (AcAc), within templates, followed hydrolysis/condensation reaction of TTIP confined PS addition agent. influence various parameters, such as mixtures different weight ratios between desiccative TTIP, AcAc amounts, amounts type, on size, bulk, composition was investigated. Porous thermal decomposition at 500 °C.
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