Zinc white and the influence of paint composition for stability in oil based media

Osmond, Gillian (2014). Zinc white and the influence of paint composition for stability in oil based media. In Issues in contemporary oil paint (pp. 263-281) Cham, Switzerland: Springer International Publishing. doi:10.1007/978-3-319-10100-2_18

Author Osmond, Gillian
Title of chapter Zinc white and the influence of paint composition for stability in oil based media
Title of book Issues in contemporary oil paint
Place of Publication Cham, Switzerland
Publisher Springer International Publishing
Publication Year 2014
Sub-type Research book chapter (original research)
DOI 10.1007/978-3-319-10100-2_18
Open Access Status
Year available 2014
ISBN 978-3-319-10099-9
Chapter number 18
Start page 263
End page 281
Total pages 19
Total chapters 27
Collection year 2015
Language eng
Abstract/Summary Zinc oxide is a prevalent pigment in twentieth century oil based paints. Its reactivity with fatty acids has consequences for paint film properties and stability. Resulting zinc carboxylates are implicated in a variety of deterioration phenomena affecting late nineteenth and twentieth century paintings. Naturally aged artists’ oil paints and reference paint film draw downs are investigated using scanning electron microscopy, and conventional attenuated total reflectance and synchrotron transmission Fourier transform infrared spectroscopy. This study reports results for soybean oil paints and Naples yellow hue pigment mixtures with zinc oxide in addition to previously reported findings for linseed and safflower oil based paints involving zinc oxide alone and in combination with lead and titanium whites. A solvent model examining interactions between zinc oxide and stearic acid or aluminium stearate supports observations made in paint films. The significance of aluminium stearate as a stearic acid source in paint formulations is corroborated and is more significant than oil type or pigment combination for formation of high concentrations and more pronounced separation of saturated C16 and C18 chain zinc carboxylates.
Keyword Zinc oxide
Zinc stearate
Aluminium stearate
Zinc soap
Zinc carboxylate
Oil paint
Q-Index Code B1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Proceedings of the Issues in Contemporary Oil Paint (ICOP) Symposium, 28–29 March, 2013, in Amersfoort, Netherlands.

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Created: Fri, 17 Apr 2015, 12:25:04 EST by Caitlin Maskell on behalf of Aust Institute for Bioengineering & Nanotechnology