The stability of paintings and the molecular structure of the oil paint polymeric network

Abstract A molecular-level understanding of the structure of the polymeric network formed upon the curing of air-drying artists’ oil paints still represents a challenge. In this study we used a set of analytical methodologies classically employed for the characterisation of a paint film—based on inf...

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Autores principales:	Francesca Nardelli, Francesca Martini, Judith Lee, Anna Lluvears-Tenorio, Jacopo La Nasa, Celia Duce, Bronwyn Ormsby, Marco Geppi, Ilaria Bonaduce
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ed10ffd9b8d648ab90370137e4650d5b
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spelling	oai:doaj.org-article:ed10ffd9b8d648ab90370137e4650d5b2021-12-02T16:24:50ZThe stability of paintings and the molecular structure of the oil paint polymeric network10.1038/s41598-021-93268-82045-2322https://doaj.org/article/ed10ffd9b8d648ab90370137e4650d5b2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93268-8https://doaj.org/toc/2045-2322Abstract A molecular-level understanding of the structure of the polymeric network formed upon the curing of air-drying artists’ oil paints still represents a challenge. In this study we used a set of analytical methodologies classically employed for the characterisation of a paint film—based on infrared spectroscopy and mass spectrometry—in combination with solid state NMR (SSNMR), to characterise model paint layers which present different behaviours towards surface cleaning with water, a commonly applied procedure in art conservation. The study demonstrates, with the fundamental contribution of SSNMR, a relationship between the painting stability and the chemical structure of the polymeric network. In particular, it is demonstrated for the first time that a low degree of cross-linking in combination with a high degree of oxidation of the polymeric network render the oil paint layer sensitive to water.Francesca NardelliFrancesca MartiniJudith LeeAnna Lluvears-TenorioJacopo La NasaCelia DuceBronwyn OrmsbyMarco GeppiIlaria BonaduceNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Francesca Nardelli Francesca Martini Judith Lee Anna Lluvears-Tenorio Jacopo La Nasa Celia Duce Bronwyn Ormsby Marco Geppi Ilaria Bonaduce The stability of paintings and the molecular structure of the oil paint polymeric network
description	Abstract A molecular-level understanding of the structure of the polymeric network formed upon the curing of air-drying artists’ oil paints still represents a challenge. In this study we used a set of analytical methodologies classically employed for the characterisation of a paint film—based on infrared spectroscopy and mass spectrometry—in combination with solid state NMR (SSNMR), to characterise model paint layers which present different behaviours towards surface cleaning with water, a commonly applied procedure in art conservation. The study demonstrates, with the fundamental contribution of SSNMR, a relationship between the painting stability and the chemical structure of the polymeric network. In particular, it is demonstrated for the first time that a low degree of cross-linking in combination with a high degree of oxidation of the polymeric network render the oil paint layer sensitive to water.
format	article
author	Francesca Nardelli Francesca Martini Judith Lee Anna Lluvears-Tenorio Jacopo La Nasa Celia Duce Bronwyn Ormsby Marco Geppi Ilaria Bonaduce
author_facet	Francesca Nardelli Francesca Martini Judith Lee Anna Lluvears-Tenorio Jacopo La Nasa Celia Duce Bronwyn Ormsby Marco Geppi Ilaria Bonaduce
author_sort	Francesca Nardelli
title	The stability of paintings and the molecular structure of the oil paint polymeric network
title_short	The stability of paintings and the molecular structure of the oil paint polymeric network
title_full	The stability of paintings and the molecular structure of the oil paint polymeric network
title_fullStr	The stability of paintings and the molecular structure of the oil paint polymeric network
title_full_unstemmed	The stability of paintings and the molecular structure of the oil paint polymeric network
title_sort	stability of paintings and the molecular structure of the oil paint polymeric network
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ed10ffd9b8d648ab90370137e4650d5b
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The stability of paintings and the molecular structure of the oil paint polymeric network

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