Abstract
Silicate anions were studied using 29Si NMR to investigate the structure-directing effect of a surfactant (sodium dodecylsulfate-SDS) on the distribution of silicate species present in alkaline silicate solutions. The distribution of the anions in the presence of polyelectrolytes was also investigated by 29Si NMR through the use of different bases including tetramethyl ammonium hydroxide (TMAOH) and sodium hydroxide (NaOH). Both SDS and the polyelectrolytic solutions were shown to stabilize low molecular weight silicate species and thus inhibit polymerization.
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This work was supported by CCP of and the University of Western Ontario, Canada.
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Samadi-Maybodi, A., Goudarzi, N., Kirby, C.W. et al. Investigation of the Structure-Directing Effect of Surfactants on the Distribution of Silicate Species Using 29Si-NMR Spectroscopy. J Surfact Deterg 11, 49–54 (2008). https://doi.org/10.1007/s11743-007-1053-3
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DOI: https://doi.org/10.1007/s11743-007-1053-3