Controlling the reactivity of silicate solutions: A FTIR, Raman and NMR study

L Vidal, E Joussein, M Colas, J Cornette, J Sanz… - Colloids and Surfaces A …, 2016 - Elsevier
Alkaline silicate solutions are of great interest for several industrial applications. Previous
studies demonstrated the influence of different parameters such as the Si/M (Na, K) molar …

Raman spectroscopy potentiality in the study of geopolymers reaction degree

MC Caggiani, A Coccato, G Barone… - Journal of Raman …, 2022 - Wiley Online Library
Alkali‐activated materials (AAMs) and “geopolymers” are inorganic polymeric materials
obtained by mixing of solid aluminosilicate precursors with an alkaline solution (generally …

Predictive tools to control the structure and the properties of metakaolin based geopolymer materials

A Gharzouni, I Sobrados, E Joussein, S Baklouti… - Colloids and Surfaces A …, 2016 - Elsevier
Geopolymers are innovative mineral binders. These materials are still under research
development in order to better understand the formation mechanism, the local structure and …

Revealing the influence of microparticles on geopolymers' synthesis and porosity

DD Burduhos Nergis, P Vizureanu, I Ardelean… - Materials, 2020 - mdpi.com
Geopolymers are zeolites like structures based on hydrated aluminosilicates units of SiO4
and AlO4. These units, known as poly (sialate), poly (sialate)-siloxo or poly (sialate)-disiloxo …

The effect of an activation solution with siliceous species on the chemical reactivity and mechanical properties of geopolymers

A Gharzouni, E Joussein, B Samet, S Baklouti… - Journal of Sol-Gel …, 2015 - Springer
Precursors are critical parameters in geopolymerization mechanisms because they govern
the reaction kinetics as well as the working properties of the final materials. This study …

Mechanistic studies of silica polymerization from supersaturated aqueous solutions by means of time-resolved light scattering

M Kley, A Kempter, V Boyko, K Huber - Langmuir, 2014 - ACS Publications
Silica polymerization in a supersaturated aqueous solution of sodium silicate is a
fundamental mineralization process with broad relevance for technical applications as well …

Studies on sodium silicate solutions by the method of trimethylsilylation

LSD Glasser, EE Lachowski… - Journal of Applied …, 1977 - Wiley Online Library
The method of trimethylsilylation was used to study anion distributions in sodium silicate
solutions with Na2O: SiO2 ratios of 1: 1 and 1: 3.41 at various concentrations. The …

Use of infrared spectroscopy to study geopolymerization of heterogeneous amorphous aluminosilicates

WKW Lee, JSJ Van Deventer - Langmuir, 2003 - ACS Publications
Geopolymerization is a general term to describe all the chemical processes that are involved
in reacting aluminosilicates with aqueous alkaline solutions to produce a new class of …

Structural analysis of molten Na2O-NaF-SiO2 system by Raman spectroscopy and molecular dynamics simulation

Y Sasaki, H Urata, K Ishii - ISIJ international, 2003 - jstage.jst.go.jp
To determine the effect of F ions on the structure of the molten alkali silicate systems,
quenched Na2O–SiO2–NaF systems were investigated by Raman spectroscopy and …

Degree of reaction and phase content of silica-based one-part geopolymers investigated using chemical and NMR spectroscopic methods

P Sturm, S Greiser, GJG Gluth, C Jäger… - Journal of materials …, 2015 - Springer
One-part geopolymers were synthesized from two different silica materials (a silica-rich
residue from chlorosilane production and a commercial microsilica) and sodium aluminate …