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Effect of Hydration–Dehydration Processes on the Structure and Porosity of Detemplated Silica Fibers

Author: Kovalenko V. V.   Tel'biz G. M.   Bobonich F. M.  

Publisher: Springer Publishing Company

ISSN: 0040-5760

Source: Theoretical and Experimental Chemistry, Vol.40, Iss.1, 2004-01, pp. : 64-68

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Abstract

A study was carried out on the conditions of template removal (calcination or extraction by solvents) and hydration–dehydration processes on the hexagonal structure and porosity of detemplated fibers. The hydration–dehydration cycle leads to a decrease in fiber porosity, especially in fiber detemplation by extraction with surfactant solvents such as ethanol and acetic acid.