Fabrication of silica-titania as consolidant and self cleaning for the conservation of andesite stone

Alfa Akustia Widati, Abdulloh Abdulloh, Miratul Khasanah, Rina Kusumawati, Nahar Cahyandaru

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The composites of silica-titania that have consolidant and self-cleaning property have been synthesized by mixing titania and colloidal silica. The coating of stone using silica-titania could improve the mechanical properties of andesite stone. In addition, the coating created the superhydrophilic properties and similar visual appearance with untreated andesite. The self-cleaning performance of treated andesite could remove the 92% of congo red and 67% of methylene blue as staining agents through photocatalysis process.

Original languageEnglish
Pages (from-to)411-418
Number of pages8
JournalInternational Journal of Conservation Science
Volume8
Issue number3
Publication statusPublished - 2017

Keywords

  • Colloidal silica
  • Consolidant
  • Self-cleaning; Andesite
  • Titania

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