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Heritage Science
Fig. 8 | Heritage Science

Fig. 8

From: After the paint has dried: a review of testing techniques for studying the mechanical properties of artists’ paint

Fig. 8

Plots showing master curves for the a complex elastic modulus (\(|E^{*}|\)) versus frequency, b \(\tan \phi\) versus temperature, and c the shift factors (\(a_{\mathrm {T}}\)) versus temperature obtained from a DMA experiment on a commercial Galkyd alkyd binding medium that has been aged for 159 days. The complex elastic modulus shows the frequency dependent behavior of the Galkyd binding medium, \(\mathrm {tan}\phi\) provides an estimate of the glass transition temperature for this system, and the shift factors can provide insights into the overall polymer behavior of the Galkyd system. Data reproduced from [69]

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