Caractérisation, compréhension des mécanismes d’altération et conservation des laques asiatiques issues de contexte archéologique et muséal

Abstract : Asian lacquer is an exceptionally unique natural biomaterial. French museums host a large number of lacquered objects, originating from numerous importations from Asia, from the end of the fifteenth century. Despite the occurrence of lacquerwares in French museum collections, an insufficient amount of studies have been carried on them out up to now. Their specificity, their heritage characteristics and their conservation are little investigated and poorly known. This research project enables to develop an analytical methodology to identify biomolecular markers of vegetal species from which lacquers are harvested, correlate them to their geographic provenance and so trace a part of the history of lacquered objects. It also deals with the study of interaction of lacquers with their environment in order to determinate the factors from which they have to be protected. In fact, Asian lacquer wares are subject to damages due to poor environmental conditions (temperature, humidity). These problems of lacquer conservation are the most frequent one found in the West, since climate conditions are different than in Asia. This project leads to the proposition of visual and physico-chemical criteria of Asian lacquer alteration, at the muti-scale and from the earliest levels of damages.
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Anne-Solenn Le Hô, Chloé Duhamel, Olivier Marescot, Juliette Langlois, Michel Sablier, et al.. Caractérisation, compréhension des mécanismes d’altération et conservation des laques asiatiques issues de contexte archéologique et muséal. Actes du colloque Sciences des matériaux du patrimoine culturel - 2 ; Paris, 20 et 21 novembre 2012, Ministère de la Culture et de la Communication, pp.50-56, 2013, 978-2-11-138533-7. ⟨http://www.culture.gouv.fr/Media/Thematiques/Enseignement-superieur-et-recherche/Archives-anciens-programmes/PNRCC/Actes-colloque-SMPC2/Actes_SMPC2_p50_56⟩. ⟨hal-01552272⟩

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