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https://doi.org/10.1016/j.colsurfa.2006.05.044

has been cited by the following article:

• TITLE: Comparative Study on Geopolymer Binders Based on Two Alkaline Solutions (NaOH and KOH)

  AUTHORS: Seick Omar Sore, Adamah Messan, Elodie Prud’Homme, Gilles Escadeillas, François Tsobnang

  KEYWORDS: Geopolymer, NaOH, KOH, Metakaolin, Rice Husk Ash, Compressive Strength

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.8 No.6, October 22, 2020

  ABSTRACT: This study specifically investigated the influence of the composition of aluminosilicate material i.e. the substitution of metakaolin by rice husk ash and the nature of alkaline activators (Na+/K+) on mineralogical, structural, physical and mechanical properties of geopolymer binders. This influence was evaluated based on X-ray diffraction (XRD), Fourier Transform InfraRed spectroscopy (FTIR) and Scanning Electron Microscope (SEM analyses, apparent density, water accessible porosity, compressive strength and thermal properties. Two types of geopolymer binder were synthesized according to the type of alkali activator used, the NaOH-based geopolymer and the KOH-based geopolymer. The results of characterization performed after 14 days of curing of geopolymer samples showed that the activation of the aluminosilicate powder using alkaline solution led to change in their microstructure. The highest compressive strength was obtained with the NaOH-based geopolymer.