Open Access
Materials, volume 15, issue 6, pages 2004
13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3 -COO−-R+ (R=H or Na) Additives
2
Department of Theoretical and Applied Mechanics, Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Prosecká 809/76, 19000 Prague, Czech Republic
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Publication type: Journal Article
Publication date: 2022-03-08
PubMed ID:
35329455
General Materials Science
Abstract
The hydration kinetics of Portland-limestone cement pastes with organic additives in the form of acetic acid and sodium acetate were studied by using solid-state 13C, 27Al and 29Si NMR spectroscopy. The evolution of the relative content of various phases was monitored over the period of one month: amorphous and crystalline calcite (in 13C spectra), ettringite, aluminum in C-S-H gel, calcium aluminates and calcium hydroaluminates (in 27Al spectra), as well as alite, belite and silicon in C-S-H gel (in 29Si spectra). The retarding effect of the additives on cement hydration at early age was demonstrated. We show that the kinetics of phase assemblage formation is influenced by the acetate ion adsorption on the surface of the anhydrous cement components and hydrated phases. The kinetics of formation of ettringite in the cement paste, depending on the addition of acetic and or sodium acetate, is discussed in the context of potential thaumasite sulfate attack.
Citations by journals
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1
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Gels
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Gels
1 publication, 33.33%
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Applied Sciences (Switzerland)
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Applied Sciences (Switzerland)
1 publication, 33.33%
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Physics and Chemistry of Minerals
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Physics and Chemistry of Minerals
1 publication, 33.33%
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1
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Citations by publishers
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1
2
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 66.67%
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Springer Nature
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Springer Nature
1 publication, 33.33%
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1
2
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Mazur A. et al. 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives // Materials. 2022. Vol. 15. No. 6. p. 2004.
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Mazur A., Tolstoy P. M., Sotiriadis K. 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives // Materials. 2022. Vol. 15. No. 6. p. 2004.
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TY - JOUR
DO - 10.3390/ma15062004
UR - https://doi.org/10.3390%2Fma15062004
TI - 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives
T2 - Materials
AU - Mazur, Anton
AU - Tolstoy, Peter M.
AU - Sotiriadis, Konstantinos
PY - 2022
DA - 2022/03/08 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2004
IS - 6
VL - 15
PMID - 35329455
SN - 1996-1944
ER -
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@article{2022_Mazur,
author = {Anton Mazur and Peter M. Tolstoy and Konstantinos Sotiriadis},
title = {13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives},
journal = {Materials},
year = {2022},
volume = {15},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {mar},
url = {https://doi.org/10.3390%2Fma15062004},
number = {6},
pages = {2004},
doi = {10.3390/ma15062004}
}
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MLA
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Mazur, Anton, et al. “13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives.” Materials, vol. 15, no. 6, Mar. 2022, p. 2004. https://doi.org/10.3390%2Fma15062004.
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