Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project

Abstract Low-risk removal of embedded surface soiling on delicate heritage objects can require novel alternatives to traditional cleaning systems. Edvard Munch’s monumental Aula paintings (1911–16) have a long history of exposure to atmospheric pollution and cleaning campaigns that have compromised...

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Autores principales:	Lena Porsmo Stoveland, Tine Frøysaker, Maartje Stols-Witlox, Terje Grøntoft, Calin Constantin Steindal, Odile Madden, Bronwyn Ormsby
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Conservation Cleaning Evaluation Mock-ups Unvarnished oil paintings Edvard Munch Fine Arts N Analytical chemistry QD71-142
Acceso en línea:	https://doaj.org/article/0089b81284b146dd8e71ceaee3b8ec5b
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spelling	oai:doaj.org-article:0089b81284b146dd8e71ceaee3b8ec5b2021-11-07T12:15:38ZEvaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project10.1186/s40494-021-00599-w2050-7445https://doaj.org/article/0089b81284b146dd8e71ceaee3b8ec5b2021-11-01T00:00:00Zhttps://doi.org/10.1186/s40494-021-00599-whttps://doaj.org/toc/2050-7445Abstract Low-risk removal of embedded surface soiling on delicate heritage objects can require novel alternatives to traditional cleaning systems. Edvard Munch’s monumental Aula paintings (1911–16) have a long history of exposure to atmospheric pollution and cleaning campaigns that have compromised the appearance and the condition of these important artworks. Soiling removal from porous and water-sensitive, unvarnished oil paintings continues to be a major conservation challenge. This paper presents the approach and results of research into the effect and efficiency of three novel systems used for soiling removal: soft particle blasting, CO2-snow blasting, and Nanorestore Gel® Dry and Peggy series hydrogels. Cleaning tests were performed on accelerated-aged and artificially soiled mock-ups consisting of unvarnished oil paint and chalk-glue grounds. Visual and analytical assessment (magnification using a light microscope and scanning electron microscope, as well as colour- and gloss measurement) was carried out before and after mock-up cleaning tests and the results were compared to those obtained using the dry polyurethane sponges employed in the most recent Aula surface cleaning campaign (2009–11). Although the results varied, the Nanorestore Gel® series proved promising with respect to improved soiling removal efficiency, and reduced pigment loss for the water-sensitive surfaces evaluated, compared to dry sponges.Lena Porsmo StovelandTine FrøysakerMaartje Stols-WitloxTerje GrøntoftCalin Constantin SteindalOdile MaddenBronwyn OrmsbySpringerOpenarticleConservationCleaningEvaluationMock-upsUnvarnished oil paintingsEdvard MunchFine ArtsNAnalytical chemistryQD71-142ENHeritage Science, Vol 9, Iss 1, Pp 1-32 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Conservation Cleaning Evaluation Mock-ups Unvarnished oil paintings Edvard Munch Fine Arts N Analytical chemistry QD71-142
spellingShingle	Conservation Cleaning Evaluation Mock-ups Unvarnished oil paintings Edvard Munch Fine Arts N Analytical chemistry QD71-142 Lena Porsmo Stoveland Tine Frøysaker Maartje Stols-Witlox Terje Grøntoft Calin Constantin Steindal Odile Madden Bronwyn Ormsby Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
description	Abstract Low-risk removal of embedded surface soiling on delicate heritage objects can require novel alternatives to traditional cleaning systems. Edvard Munch’s monumental Aula paintings (1911–16) have a long history of exposure to atmospheric pollution and cleaning campaigns that have compromised the appearance and the condition of these important artworks. Soiling removal from porous and water-sensitive, unvarnished oil paintings continues to be a major conservation challenge. This paper presents the approach and results of research into the effect and efficiency of three novel systems used for soiling removal: soft particle blasting, CO2-snow blasting, and Nanorestore Gel® Dry and Peggy series hydrogels. Cleaning tests were performed on accelerated-aged and artificially soiled mock-ups consisting of unvarnished oil paint and chalk-glue grounds. Visual and analytical assessment (magnification using a light microscope and scanning electron microscope, as well as colour- and gloss measurement) was carried out before and after mock-up cleaning tests and the results were compared to those obtained using the dry polyurethane sponges employed in the most recent Aula surface cleaning campaign (2009–11). Although the results varied, the Nanorestore Gel® series proved promising with respect to improved soiling removal efficiency, and reduced pigment loss for the water-sensitive surfaces evaluated, compared to dry sponges.
format	article
author	Lena Porsmo Stoveland Tine Frøysaker Maartje Stols-Witlox Terje Grøntoft Calin Constantin Steindal Odile Madden Bronwyn Ormsby
author_facet	Lena Porsmo Stoveland Tine Frøysaker Maartje Stols-Witlox Terje Grøntoft Calin Constantin Steindal Odile Madden Bronwyn Ormsby
author_sort	Lena Porsmo Stoveland
title	Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
title_short	Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
title_full	Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
title_fullStr	Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
title_full_unstemmed	Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project
title_sort	evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the munch aula paintings project
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/0089b81284b146dd8e71ceaee3b8ec5b
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Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project

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