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    On the potential of using Nanocellulose for consolidation of painting canvases

    Nechyporchuk, O. and Kolman, K. and Bozec, L. and Bridarolli, A. and Odlyha, Marianne and Oriola, M. and Campo-Francés, G. and Persson, M. and Holmberg, K. and Bordes, R. (2018) On the potential of using Nanocellulose for consolidation of painting canvases. Carbohydrate Polymers 194 , pp. 161-169. ISSN 0144-8617.

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    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.


    Item Type: Article
    Keyword(s) / Subject(s): Conservation, Restoration, Consolidation, Easel paintings, Cellulose nanofibrils (CNF), Cellulose nanocrystals (CNC)
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Research Centres and Institutes: Structural Molecular Biology, Institute of (ISMB)
    Depositing User: Marianne Odlyha
    Date Deposited: 05 Jul 2018 08:16
    Last Modified: 02 Aug 2023 17:42


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