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Temperature dependence of the fading of basic dyes on acrylic and nylon substrates

Authors
Journal
Polymer Photochemistry
0144-2880
Publisher
Elsevier
Publication Date
Volume
2
Issue
5
Identifiers
DOI: 10.1016/0144-2880(82)90009-4
Disciplines
  • Physics

Abstract

Abstract The effect of temperature on the fading of two basic dyes on acrylic, poly(vinyl alcohol) and nylon substrates has been studied. Arrhenius plots of initial quantum yields of dye fading gave straight lines with nylon as substrate, curves with pronounced inflection points with acrylic, and intermediate behaviour with poly(vinyl alcohol). It was concluded that the less ordered regions of acrylic substrates have such a compact structure, under normal temperature and atmospheric conditions, that the possible conformational and diffusional processes which might normally contribute to dye fading are very restricted, thus ensuring a high resistance to fading. No such restrictions apply with nylon under the same conditions.

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