The drying of linseed oil investigated by Fourier transform infrared spectroscopy: Historical recipes and influence of lead compounds - Sorbonne Université
Journal Articles Progress in Organic Coatings Year : 2016

The drying of linseed oil investigated by Fourier transform infrared spectroscopy: Historical recipes and influence of lead compounds

Abstract

Lead compounds have been commonly used since the Renaissance period to increase the drying properties of oils. This article presents new insights on the mechanisms involved: Fourier transform infrared spectroscopy (FT-IR) has been used to investigate the effects of lead oxide on the drying process of linseed oil. The changes occurring during the drying of oil and the influence generated by the use of PbO were monitored by integrating absorption bands of interest such as the ν(Osingle bondH) absorption band at 3500 cm−1, and the ν(Csingle bondH) in cis Cdouble bond; length as m-dashCsingle bondH band at 3010 cm−1. Results indicate that the addition of lead oxide accelerates the drying process and reduces the induction time (4 times with 5% PbO), without causing major changes in the mechanisms involved. An optimal amount of 5% PbO was determined, as compared to 1 and 20%. Historical recipes have been reviewed and the effect of specific oil preparation parameters such as the heating of oil while adding PbO addition and the addition of water has been investigated.
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Dates and versions

hal-01270671 , version 1 (08-02-2016)

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Laurence de Viguerie, P.A. Payard, E. Portero, Ph. Walter, M. Cotte. The drying of linseed oil investigated by Fourier transform infrared spectroscopy: Historical recipes and influence of lead compounds. Progress in Organic Coatings, 2016, 93, pp.46-60. ⟨10.1016/j.porgcoat.2015.12.010⟩. ⟨hal-01270671⟩
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