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Gewählte Publikation:

Volkel, L; Rusakov, D; Kontturi, E; Beaumont, M; Rosenau, T; Potthast, A.
(2022): Manufacturing heat-damaged papers as model materials for evaluating conservation methods
CELLULOSE. 2022; 29(11): 6373-6391. FullText FullText_BOKU

Direct fire, indirect heat, and extinguishing water cause great damage to cultural assets upon a fire disaster in a library or archive. Conservation and restoration of heat-damaged papers are particularly challenging due to the complexity and severity of the damage. Since valuable originals obviously cannot be used for the development of treatment methods and only to a limited extent for the analysis of the damage, it is necessary to produce model paper materials that have a high degree of similarity to fire-damaged papers, which was addressed in the present study. Three different heating methods were tested to produce model papers of different heating levels. Their altered optical, structural, and chemical properties were analyzed and compared with the results of original fire-damaged samples. The study points out pathways to enable the production of comparable sample materials. Heating between hot plates or in an oven produces papers that have properties quite similar to the originals in terms of surface area, paper structure, cellulose integrity, and interactions with water. Stack heating in the oven has proven to be a particularly effective manufacturing method for larger quantities of model papers.
Autor*innen der BOKU Wien:
Beaumont Marco
Potthast Antje
Rosenau Thomas
Rusakov Dmitrii
Völkel Laura
BOKU Gendermonitor:

Find related publications in this database (Keywords)
Heat-damaged cellulose
Surface structure
Chemical analysis
Heating methods
Thermal aging
Thermal stress

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