Single-sided NMR, in tandem with gas chromatography-mass spectrometry, can be used to investigate the physical and chemical differences between traditional linseed oil paint and water-mixable oil paint. Water-mixable oil paints contain an emulsifier that confers water miscibility, but may also affect the curing process and the intermolecular network formed in a cured paint film. Comparative studies of paint samples of different compositions and ages show some effects the emulsifier has on the chemical and physical properties of paint films. This work highlights the utility of NMR relaxometry in cultural heritage analysis, and suggests further study into the effects of agents affecting the curing process and reactions within a paint film.

Physical and chemical properties of traditional and water-mixable oil paints assessed using single-sided NMR

254th National Meeting (2017)

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