Assessing the swelling behavior of oil paint in fatty acid methyl esters (FAMEs)†

Chiara Biribicchi, Michael Doutre, Gabriele Favero · 2024

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Description

Art restorers need solvents that clean a painting without swelling or stripping its paint. Chiara Biribicchi, Michael Doutre, and Gabriele Favero tested a family of gentle, plant-derived solvents, the fatty acid methyl esters, on aged zinc white oil paint in 2024. Under a microscope they watched paint fragments swell over fifteen minutes as solvent chain length varied.

The solvents caused only low to moderate swelling, in line with earlier solvent studies. Swelling rose or fell with the solvent's polarity, chain length, and how fast it soaked in. The team also warns that the same soaking can leach small molecules out of the paint. Careful solvent choice, they conclude, is essential in conservation work.

Catalog record

CREATORChiara Biribicchi, Michael Doutre, Gabriele Favero
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE26 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11650782

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