Oil Media on Paper: Investigating the Effect of Linseed Oils on Lignocellulosic Paper Supports

Penelope Banou*, Stamatis Boyatzis, Konstantinos Choulis , Thanasis Karabotsos, Dimitris Tsimogiannis, Lamprini-Areti Tsakanika, Constantina Tzia, Athena Alexopoulou

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

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Abstract

Condition assessment of works of art created with oil media on paper could be a complex matter when presenting problems of damage due to the absorption of oil binders by the paper support, since they depend on several factors and occur in variable conditions. The present work refers to the results of an investigation on the effect of linseed oils on the color, opacity, morphology, tensile strength, and chemical properties of lignocellulosic papers, in comparison to that of pure cellulosic papers. Lignocellulosic papers are involved in research on new, yet significant, parameters that might influence the behavior of the oil-impregnated areas of the supports upon aging. The research was applied to mock-ups, made of two types of lignocellulosic paper impregnated with three types of linseed oil and subjected to accelaratated ageing in specific conditions of relative humidity and temperature in closed environment. The research involved colorimetry, opacity, tensile strength, pH measurements, SEM, FTIR, and VOC analysis with GC-MS. The results indicated that thermal-humid ageing caused the gradual darkening of the oil-impregnated mock-ups, alterations in opacity, and decrease of pH values, depending mainly on the formulation of linseed oil, as well as a reduction in tensile strength. FTIR analysis results indicated that the chemical changes that occur upon ageing supported the recorded optical and mechanical alterations, while VOC emissions are both associated with the paper type and the kinetics of degradation of the different types of linseed oil.
Original languageEnglish
Pages (from-to)266-286
Number of pages21
JournalAnalytica
Volume3
Issue number3
DOIs
Publication statusPublished - 2 Jul 2022
Externally publishedYes
EventIMA-2021: 12th International Conference on Instrumental Methods of Analysis: Modern Trends and Applications - Aristotle University of Thessaloniki, Thessaloniki, Greece
Duration: 20 Sep 202123 Sep 2021
http://aclab.web.auth.gr/ima2021/#xl_xr_page_index

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