Comparative study of TEOS-consolidants for adobe building conservation

Four different consolidants for adobe buildings conservation were synthetized and evaluated. Adobe bricks materials tested from several Mining Haciendas of the seventeenth and eighteenth centuries located in Guanajuato, Mexico; these materials were characterized using XRD analysis, granulometry, por...

Full description

Saved in:
Bibliographic Details
Published in:Journal of sol-gel science and technology 2021-03, Vol.97 (3), p.685-696
Main Authors: Salazar-Hernández, Carmen, Puy-Alquiza, María Jesús, Miranda-Avilés, Raúl, Salazar-Hernández, Mercedes, Mendoza-Miranda, Juan Manuel, Mocada-Sánchez, Cristina Daniela, del Ángel-Soto, Julio
Format: Article
Language:English
Subjects:
Additives
Ceramics
Chemistry and Materials Science
Clay
Comparative studies
Composites
environment and building applications
Formulations
Gels
Glass
Inorganic Chemistry
Materials Science
Moisture content
Moisture resistance
Nanoparticles
Nanotechnology
Natural Materials
Optical and Electronic Materials
Original Paper: Sol–gel and hybrid materials for energy
Porosity
Silicon dioxide
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Four different consolidants for adobe buildings conservation were synthetized and evaluated. Adobe bricks materials tested from several Mining Haciendas of the seventeenth and eighteenth centuries located in Guanajuato, Mexico; these materials were characterized using XRD analysis, granulometry, porosity, moisture content, and mechanical resistance. The four consolidants synthetized are formulations based on TEOS (F1); TEOS with silica nanoparticles (F2); TEOS with PDMS-OH (F3) and hybrid consolidant formed by TEOS, PDMS, and nanoparticle silica (F4). The consolidants were tested and evaluated by porosity changes, absorption, and durability. The results show that colloidal silica improves the fulfill porosity by TEOS gels and the PDMS improves the flexibility on TEOS gel avoiding the crack. Thus, the addition of both components to TEOS gel results as an excellent consolidant treatment to adobe materials. Highlights TEOS and different additives are proposed as adobe conservation treatment. Mechanical resistance increases according to the additive consolidant treatment. The different additives shown different penetration capacity that modify the consolidant process. PDMS additive increases the chemical stability on TEOS consolidant.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-020-05461-2