Structural model of gelation processes of a sodium silicate sol destabilized by calcium ions: combination of SAXS and rheological measurements

6533b7d9fe1ef96bd126cb22

RESEARCH PRODUCT

Structural model of gelation processes of a sodium silicate sol destabilized by calcium ions: combination of SAXS and rheological measurements

Aldo F. Craievich André Nonat Fabien Gaboriaud Denis Chaumont

subject

Materials science Small-angle X-ray scattering Silica gel Sodium chemistry.chemical_element Mineralogy Sodium silicate Calcium Condensed Matter Physics Silicate Viscoelasticity Electronic Optical and Magnetic Materials Condensed Matter::Soft Condensed Matter chemistry.chemical_compound chemistry Chemical engineering Rheology Materials Chemistry Ceramics and Composites

description

This study deals with the physico-chemical processes involved in the formation of basic fractal silica gels derived from a sodium silicate sol destabilized by calcium ions. Using small-angle X-ray scattering and dynamic rheological measurements, structural and viscoelastic properties have been investigated in situ during aggregation and gelation processes. The experimental results lead to a consistent model that describes the structural features and aggregation mechanisms involved in the formation of these gels.

year	journal	country	edition	language
2005-02-01	Journal of Non-Crystalline Solids

https://doi.org/10.1016/j.jnoncrysol.2004.11.019

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