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Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism

Authorized Users Only
2007
Authors
Radojević, Zagorka
Mitrović, Aleksandra
Article (Published version)
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Abstract
The aim of this work is to examine changes of the montmorillonite mineral rheological characteristics during its activation with sodium carbonate and magnesium hydroxy carbonate. In order to foresee the mechanism of these processes, it was necessary to study the following: The change of the rheological characteristics of the investigated system, i.e. viscosity and thixotropy, with respect to the initial montmorillonite and water system, structural changes caused by migration of Al3+ ions from the octaedric positions into the interlamellar region, by using the structural analysis methods and by monitoring the cation exchange capacity increase during the activation of this mineral, formation of the new anionic clay types, as well as their synthesis and structure in an independent system and formation and emergence of new structures during particle interaction, during which various products are created, in the form of "card house", "band type", "networked band type" or connected by a "lat...ching" mechanism. The changes in rheological characteristics has been studied for the montmorillonite obtained from "Jelenkovac" bentonite by separating fractions smaller than 2 mu m, with Ca2+ and Mg2+ mostly being the exchangeable cations.

Keywords:
X-ray methods / traditional ceramics / spectroscopy / silicate / bentonite
Source:
Journal of the European Ceramic Society, 2007, 27, 2-3, 1691-1695
Publisher:
  • Elsevier Sci Ltd, Oxford

DOI: 10.1016/j.jeurceramsoc.2006.04.152

ISSN: 0955-2219

WoS: 000243265100209

Scopus: 2-s2.0-33751014514
[ Google Scholar ]
12
10
URI
http://rims.institutims.rs/handle/123456789/57
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Radojević, Zagorka
AU  - Mitrović, Aleksandra
PY  - 2007
UR  - http://rims.institutims.rs/handle/123456789/57
AB  - The aim of this work is to examine changes of the montmorillonite mineral rheological characteristics during its activation with sodium carbonate and magnesium hydroxy carbonate. In order to foresee the mechanism of these processes, it was necessary to study the following: The change of the rheological characteristics of the investigated system, i.e. viscosity and thixotropy, with respect to the initial montmorillonite and water system, structural changes caused by migration of Al3+ ions from the octaedric positions into the interlamellar region, by using the structural analysis methods and by monitoring the cation exchange capacity increase during the activation of this mineral, formation of the new anionic clay types, as well as their synthesis and structure in an independent system and formation and emergence of new structures during particle interaction, during which various products are created, in the form of "card house", "band type", "networked band type" or connected by a "latching" mechanism. The changes in rheological characteristics has been studied for the montmorillonite obtained from "Jelenkovac" bentonite by separating fractions smaller than 2 mu m, with Ca2+ and Mg2+ mostly being the exchangeable cations.
PB  - Elsevier Sci Ltd, Oxford
T2  - Journal of the European Ceramic Society
T1  - Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism
EP  - 1695
IS  - 2-3
SP  - 1691
VL  - 27
DO  - 10.1016/j.jeurceramsoc.2006.04.152
ER  - 
@article{
author = "Radojević, Zagorka and Mitrović, Aleksandra",
year = "2007",
abstract = "The aim of this work is to examine changes of the montmorillonite mineral rheological characteristics during its activation with sodium carbonate and magnesium hydroxy carbonate. In order to foresee the mechanism of these processes, it was necessary to study the following: The change of the rheological characteristics of the investigated system, i.e. viscosity and thixotropy, with respect to the initial montmorillonite and water system, structural changes caused by migration of Al3+ ions from the octaedric positions into the interlamellar region, by using the structural analysis methods and by monitoring the cation exchange capacity increase during the activation of this mineral, formation of the new anionic clay types, as well as their synthesis and structure in an independent system and formation and emergence of new structures during particle interaction, during which various products are created, in the form of "card house", "band type", "networked band type" or connected by a "latching" mechanism. The changes in rheological characteristics has been studied for the montmorillonite obtained from "Jelenkovac" bentonite by separating fractions smaller than 2 mu m, with Ca2+ and Mg2+ mostly being the exchangeable cations.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Journal of the European Ceramic Society",
title = "Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism",
pages = "1695-1691",
number = "2-3",
volume = "27",
doi = "10.1016/j.jeurceramsoc.2006.04.152"
}
Radojević, Z.,& Mitrović, A.. (2007). Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism. in Journal of the European Ceramic Society
Elsevier Sci Ltd, Oxford., 27(2-3), 1691-1695.
https://doi.org/10.1016/j.jeurceramsoc.2006.04.152
Radojević Z, Mitrović A. Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism. in Journal of the European Ceramic Society. 2007;27(2-3):1691-1695.
doi:10.1016/j.jeurceramsoc.2006.04.152 .
Radojević, Zagorka, Mitrović, Aleksandra, "Study of montmorillonite and cationic activators sistem rheological characteristic change mechanism" in Journal of the European Ceramic Society, 27, no. 2-3 (2007):1691-1695,
https://doi.org/10.1016/j.jeurceramsoc.2006.04.152 . .

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