Développement de nouveaux traitements de protection à base d'acide carboxylique pour la conservation d'objets en fer du patrimoine culturel

Abstract : Without any protection treatment, lots of artefacts or elements from our cultural heritage slowly decay because of atmospheric corrosion. Therefore there is a need for temporary, cheap, easy-to-use and non-toxic protection systems, fitting to the actual environmental laws. These treatments could give new solutions to the conservators for protecting the artefacts and sometimes avoid them complex and expensive restoration works. Long chain carboxylic acids have been chosen for this purpose, and used in different kinds of treatments. Their good performances are proved by electrochemical measurements and artificial and natural ageing tests. In parallel with this work, the iron (III) carboxylate, which is the compound responsible for the inhibition properties, has been studied in term of morphology, structure, and chemical properties, thanks to many analytical techniques. This work finally leads to propose a specific and adapted solution for each element or artefact that has to be treated- depending on its surface, its environmental conditions of exposure, the emergency of its treatment, and the financial and human means available.
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Stéphanie Hollner. Développement de nouveaux traitements de protection à base d'acide carboxylique pour la conservation d'objets en fer du patrimoine culturel. Autre [cond-mat.other]. Université Henri Poincaré - Nancy 1, 2009. Français. ⟨NNT : 2009NAN10062⟩. ⟨tel-01748465⟩

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