Fabrication of organosilica hollow spheres using organosiloxane-templated sol-gel process

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Title:	Fabrication of organosilica hollow spheres using organosiloxane-templated sol-gel process
Authors:	Hsu-Tung Lu, I-Hsiang Tseng
Contributors:	圖書館
Keywords:	Organosilica hollow spheres Ketimine Co-condensation Porous Sol–gel
Date:	2015-11
Issue Date:	2016-10-14 11:05:59 (UTC+8)
Abstract:	An effective method to synthesize organosilica hollow sphere (OSHS) is achieved by direct co-condensation of tetraethoxysilane and organosiloxane template, 3-(2-butylidene)aminopropyltrimethoxysilane (BAPTMS). 1-Decanol dispersed in ammonia solution creates hydrophobic cores for the direct deposition of silica. Simultaneously, BAPTMS dissolves in oily droplets, and caps with highly reactive methoxy groups to produce hollow structure. The obtained OSHS has mesoporous structure with a specific surface area of 137 m2/g. This method ignores the utilization of shell structure-directing agent and thus prevents complicated template removal process.
Relation:	Journal of Sol-Gel Science and Technology
Appears in Collections:	[Department of Chemical and Materials Engineering] 【化工與材料工程系】期刊論文

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