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On the potential of using nanocellulose for consolidation of painting canvases
RISE - Research Institutes of Sweden, Material och produktion, IVF. Chalmers University of Technology, Sweden.ORCID-id: 0000-0001-7178-5202
Chalmers University of Technology, Sweden; University of Gothenburg, Sweden.
University of London, UK .
University of London, UK.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 194, s. 161-169Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Nanocellulose has been recently proposed as a novel consolidant for historical papers. Its use for painting canvas consolidation, however, remains unexplored. Here, we show for the first time how different nanocelluloses, namely mechanically isolated cellulose nanofibrils (CNF), carboxymethylated cellulose nanofibrils (CCNF) and cellulose nanocrystals (CNC), act as a bio-based alternative to synthetic resins and other conventional canvas consolidants. Importantly, we demonstrate that compared to some traditional consolidants, all tested nanocelluloses provided reinforcement in the adequate elongation regime. CCNF showed the best consolidation per added weight; however, it had to be handled at very low solids content compared to other nanocelluloses, exposing canvases to larger water volumes. CNC reinforced the least per added weight but could be used in more concentrated suspensions, giving the strongest consolidation after an equivalent number of coatings. CNF performed between CNC and CCNF. All nanocelluloses showed better consolidation than lining with synthetic adhesive (Beva 371) and linen canvas in the elongation region of interest. 

sted, utgiver, år, opplag, sider
Elsevier Ltd , 2018. Vol. 194, s. 161-169
Emneord [en]
Cellulose nanocrystals (CNC), Cellulose nanofibrils (CNF), Conservation, Consolidation, Easel paintings, Restoration, Cellulose derivatives, Image reconstruction, Image segmentation, Nanocellulose, Nanocrystals, Nanofibers, Reinforcement, Suspensions (fluids), Synthetic resins, Carboxymethylated cellulose, Cellulose nanocrystal (CNC), Cellulose nanofibrils, Concentrated suspension, Region of interest, Solids content, Synthetic adhesives, Water volumes, Cellulose, Elongation, Painting, Weight
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Identifikatorer
URN: urn:nbn:se:ri:diva-37977DOI: 10.1016/j.carbpol.2018.04.020Scopus ID: 2-s2.0-85045423631OAI: oai:DiVA.org:ri-37977DiVA, id: diva2:1300119
Tilgjengelig fra: 2019-03-28 Laget: 2019-03-28 Sist oppdatert: 2019-03-28bibliografisk kontrollert

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