Alcohol is an unnecessary additive in the silicon alkoxide sol-gel process

D. Avnir; V. R. Kaufman

doi:10.1016/S0022-3093(87)80368-X

Alcohol is an unnecessary additive in the silicon alkoxide sol-gel process

D. Avnir^*
, V. R. Kaufman

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Letter › peer-review

86 Scopus citations

Abstract

It is unnecessary to add alcohol to a polymerizing silicon tetramethoxide-H₂O sol-gel system as a co-solvent. The alcohol released during the reaction is sufficient to convert the initially biphasic system into a homogeneous one, resulting in the usual highly transparent, porous xerogel. We suggest that the alcohol-free sol-gel system may replace in many cases the traditional H₂O-alcohol-alkoxide system.

Original language	English
Pages (from-to)	180-182
Number of pages	3
Journal	Journal of Non-Crystalline Solids
Volume	92
Issue number	1
DOIs	https://doi.org/10.1016/S0022-3093(87)80368-X
State	Published - 2 Jun 1987

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10.1016/S0022-3093(87)80368-X

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title = "Alcohol is an unnecessary additive in the silicon alkoxide sol-gel process",

abstract = "It is unnecessary to add alcohol to a polymerizing silicon tetramethoxide-H2O sol-gel system as a co-solvent. The alcohol released during the reaction is sufficient to convert the initially biphasic system into a homogeneous one, resulting in the usual highly transparent, porous xerogel. We suggest that the alcohol-free sol-gel system may replace in many cases the traditional H2O-alcohol-alkoxide system.",

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AB - It is unnecessary to add alcohol to a polymerizing silicon tetramethoxide-H2O sol-gel system as a co-solvent. The alcohol released during the reaction is sufficient to convert the initially biphasic system into a homogeneous one, resulting in the usual highly transparent, porous xerogel. We suggest that the alcohol-free sol-gel system may replace in many cases the traditional H2O-alcohol-alkoxide system.

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Alcohol is an unnecessary additive in the silicon alkoxide sol-gel process

Abstract

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