Effects of Surfactant and Polyelectrolyte on Distribution of Silicate Species in Alkaline Aqueous Tetraoctylammonium Silicate Solutions Using 29Si NMR Spectroscopy

被引：0
作者：
Nasser Goudarzi
M. A. Chamjangali
A. H. Amin
Mohammad Goodarzi
机构：
[1] Shahrood University of Technology,Faculty of Chemistry
[2] Islamic Azad University,Young Researchers Club
来源：
Applied Magnetic Resonance | 2013年 / 44卷
关键词：
Nuclear Magnetic Resonance; Sodium Dodecyl Sulfate; Nuclear Magnetic Resonance Spectroscopy; Silicate Solution; Cationic Polyelectrolyte;
D O I：
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摘要：
In the present work, the structure-directing effect of the surfactant sodium dodecyl sulfate (SDS) on the distribution of the silicate species present in alkaline aqueous silicate solutions is studied using silicon-29 nuclear magnetic resonance (NMR) spectroscopy. Also, the distribution of silicate anions in the presence of polyelectrolytes is investigated using 29Si NMR spectroscopy through the use of different bases including tetraoctylammonium hydroxide and sodium hydroxide as templates (their cations) in these solutions. Both the SDS and polyelectrolytic solutions are shown to stabilize low molecular weight silicate species and thus inhibit polymerization.
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页码：1095 / 1103
页数：8
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