This paper presents a morphological study of poly(vinyl acetate) (PVAc) based films, either cast from polymer solutions or aqueous emulsions, which are widely used in modern and contemporary art, namely as binding media. Different vinyl films were prepared: single polymer, unpigmented and TiO(2)-pigmented emulsion films, and subjected to accelerated light ageing. The evaluation of the surface changes of these films, over 3500 hours irradiation under a Xenon lamp (lambda >= 300 nm), was characterized by atomic force microscopy (AFM). The samples studied have suffered minor surface changes and revealed pronounced photostability. The AFM results obtained indicate that the most relevant morphological changes that occurred over time were primarily related to the exudation of surfactants, present in the vinyl emulsions. Copyright (C) 2010 John Wiley & Sons, Ltd.
Original languageEnglish
Pages (from-to)1160-1164
JournalSurface And Interface Analysis
Issue numberSI8
Publication statusPublished - Aug 2011


  • AFM
  • degradation
  • paint
  • photostability
  • PVAc
  • vinyl films

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