Dynamic mechanical analysis (DMA), C-13 solid state NMR and micro-thermomechanical studies of historical parchment
(2003) Journal of Thermal Analysis and Calorimetry : an international forum for thermal studies — Vol. 71, n° 3, p. 939-950 (2003)
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- Abstract
- DMA and solid state C-13 NMR techniques were used to measure historical parchment samples within the framework of the project (MAP) Micro Analysis of Parchment (EC contract No. SMT4-96-2101) in collaboration with the School of Conservation in Copenhagen. DMA was used in both thermal scan and creep modes. Thermal scans provided information on the transitions associated with the collagen polymer. Microthermal analysis was also used to obtain information on the topography and thermal conductivity of sample areas of 100 mum, Localised heating enabled measurements of softening transitions in the sample. This behaviour is influenced by the chemical composition of parchment. C-13 NMR provided information on the carbon atoms associated with the polypeptide chains of the collagen in parchment. The behaviour of samples immersed in water and measured in DMA creep mode was used to measure the shrinkage behaviour of the parchment samples. The different but complementary techniques provided a means for characterising the physicochernical state of parchment samples.
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Citations
Odlyha, M., Cohen, N., Foster, G., Aliev, A., Verdonck, E., & Grandy, D. (2003). Dynamic mechanical analysis (DMA), C-13 solid state NMR and micro-thermomechanical studies of historical parchment. Journal of Thermal Analysis and Calorimetry : an international forum for thermal studies, 71(3), 939-950. https://doi.org/10.1023/A:1023346814391 (Original work published 2003)