The influence of calcium content on the mixture of sodium silicate with different additives: Na 2 CO 3 , NaOH and AlO(OH)

Abstract : This paper focuses on the influence of calcium on sodium silicate solutions activated with three additives: sodium carbonate, sodium hydroxide and boehmite. The calcium was added in two forms, calcite sand and slaked lime, as these two materials are widely used to restore historical coatings in Morocco. The aim of this work is to synthesize potential coatings from mixtures of a sodium silicate solution and traditional restoration materials. Several mixtures were synthesized and characterized by XRD, FTIR, SEM and the Vickers hardness test. Primary results demonstrated that lime was a highly reactive component in the mixtures when compared with calcite. Moreover, FTIR showed that the evolution of the Si-O-M band is different for these multiple mixtures. The mixtures composed of calcite, sodium silicate solution and boehmite presented good adherence to fired bricks that are used as masonry elements in historical construction.
Type de document :
Article dans une revue
Liste complète des métadonnées

https://hal-unilim.archives-ouvertes.fr/hal-01877713
Contributeur : Beatrice Derory <>
Soumis le : jeudi 20 septembre 2018 - 11:32:23
Dernière modification le : lundi 19 août 2019 - 16:14:04

Identifiants

Citation

F. Allali, Emmanuel Joussein, N. Idrissi Kandri, S. Rossignol. The influence of calcium content on the mixture of sodium silicate with different additives: Na 2 CO 3 , NaOH and AlO(OH). Construction and Building Materials, Elsevier, 2016, 121, pp.588 - 598. ⟨10.1016/j.conbuildmat.2016.06.034⟩. ⟨hal-01877713⟩

Partager

Métriques

Consultations de la notice

59