During the 3rd and 7th of June 2024, Daniel Jiménez Desmond assisted the International Conference on Innovation in Art Research and Technology, InART2024, celebrated in Oslo, Norway. This conference aimed to merge natural sciences and conservation, providing a dynamic space for active interaction, scientific exchange, and debates on the central issues of heritage science research. Daniel’s participation was within the topic “Development, testing and characterization of new materials for conservation”.
During the 6th and 7th of June he presented the poster entitled “Searching for a suitable chromatic technique for outdoor-exposed wall paintings” related to his PhD research. Daniel presented the results on the behaviour of nano-silica-based chromatic reintegrations after one year of natural exposure. Paint mock-ups were characterised by colour spectrophotometry, measurements of gloss, X-ray diffraction, Fourier-transform infrared spectroscopy and scanning electron microscopy with energy dispersive X-ray spectroscopy.
Overall, colour variations became stable with time, although precipitation of calcite was observed on the surface. All the chromatic reintegrations presented good bonding properties with the pigments and with the mortar substrate as long as pigments were silicate in nature.
