First experiments for the use of microblasting technique with powdered cellulose as a new tool for dry cleaning artworks on paper |
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| Institution: | 1. Dipartimento di Scienze della Terra, Ambiente e Risorse, Università Federico II, via Mezzocannone 8, 80134 Napoli, Italy;2. Dipartimento di Scienze Umane e Sociali, Università Orientale, piazza S. Domenico Maggiore 12, 80134 Napoli, Italy;3. IGG- CNR, via G. Gradenigo 6, 35131 Padova, Italy;4. ICTP-CNR, Via Campi Flegrei, 34, 80078 Pozzuoli, Italy;5. Geozentrum Nordbayern, University of Erlangen-Nürnberg, Schlossgarten 5, 91054 Erlangen, Germany;6. Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark;7. Department of Applied Geosciences and Geophysics, Montanuniversität, Franz-Josef-Straße 18, 8700 Leoben, Austria;8. INGV, Osservatorio Vesuviano, via Diocleziano 328, 80124 Napoli, Italy;9. Centro Musei delle Scienze Naturali, Università Federico II, via Mezzocannone 8, 80134 Napoli, Italy;10. Cultural Heritage Department, Curia of Nola, Naples, Italy;1. LUNAM université du Maine, CNRS UMR 6613, laboratoire d’acoustique de l’université du Maine, avenue Olivier-Messiaen, 72085 Le Mans cedex 9, France;2. DCPCR, Musée du Louvre, Pavillon Mollien, 75058 Paris, France;1. Instituto de Investigaciones en Materiales, Departamento de Materiales Metálicos y Cerámicos, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, Delegación Coyoacán, CP 04510, Mexico;2. Universidad Autónoma Metropolitana-Unidad Iztapalapa, Departamento de Química, San Rafael Atlixco No. 186, Col. Vicentina, Iztapalapa, CP 09340, Mexico;1. Dipartimento di Scienze della Terra e del Mare (DiSTeM), Università degli Studi di Palermo, Via Archirafi, 22, 90123 Palermo, Italy;2. Dipartimento di Biologia, Ecologia e Scienze della Terra (DiBEST), Università della Calabria, Via P. Bucci, Cubo 12/B, 87036 Arcavacata di Rende, Italy;3. Soprintendenza per i Beni Culturali e Ambientali del Mare - Assessorato Regionale dei Beni Culturali e dell’Identità Siciliana, Regione Siciliana, Via Lungarini, 9, 90133 Palermo, Italy;4. Istituto Nazionale di Geofisica e Vulcanologia–Sezione di Palermo, Via Ugo La Malfa, 153, 90146 Palermo, Italy;1. GESAAF, University of Florence, Via S. Bonaventura, 13, 50145 Firenze, Italy;2. Department of Scientific Research, The Metropolitan Museum of Art, Fifth Avenue, 1000, 10028 New York, USA |
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| Abstract: | This research evaluates the use of microblasting technique with powdered cellulose as a new tool for dry cleaning documents. Different cleaning tests were conducted on three documents with different properties following this new approach and the results were compared to those obtained with traditional dry cleaning with erasers. In order to assess changes caused to the supports, the treated documents were examined both before and after cleaning with optical and 3D stereomicroscopy, SEM-EDS and spectrophotometry. The results allow the conclusion that microblasting with powdered cellulose is a feasible technique to remove surface dirt or grime on paper documents. This research proves that the new use of the technique does not entail changes to the surface properties of the treated supports. Moreover, powdered cellulose is chemically stable and compatible with paper documents, preventing negative long-term effects derived from the presence of rubber residues that may remain in paper fibres when using erasers in dry cleaning treatments. |
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| Keywords: | Paper Conservation Dry cleaning Cellulose Documents Microblasting Colour Spectrophotometry 3D stereomicroscopy SEM-EDS |
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