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Open AccessFeature PaperArticle

Comparing Colorfastness to Light of Wood-Staining Fungal Pigments and Commercial Dyes: An Alternative Light Test Method for Color Fastness

Department of Wood Science & Engineering, Oregon State University; Corvallis, OR 97331, USA
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Coatings 2018, 8(5), 189; https://doi.org/10.3390/coatings8050189
Received: 17 April 2018 / Revised: 12 May 2018 / Accepted: 18 May 2018 / Published: 19 May 2018
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Abstract

Colorfastness to light is an essential quality for textiles exposed to sunlight for a significant length of time. In this study, the colorfastness (specifically to light) of fabrics dyed with wood-staining (spalting) fungal pigments was compared to the colorfastness of commercial dyes. A short-duration immersion dying method without heat was used to minimize both water and energy usage. Both mordanted and unmordanted fabrics were tested and compared for colorfastness. Additionally, a new method of testing for colorfastness to light was developed. Results indicate that the wood-staining fungal pigments demonstrate superior colorfastness to light over commercial dyes when the employed dyeing method is used. Additionally, the colorfastness to light testing method developed using the L-2 Blue Wool Standard and QUV Accelerated Weathering Machine is a viable alternative to current standard colorfastness to light testing methods. View Full-Text
Keywords: fungi pigments; dyes, colorfastness; light; UV fungi pigments; dyes, colorfastness; light; UV
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hinsch, E.M.; Robinson, S.C. Comparing Colorfastness to Light of Wood-Staining Fungal Pigments and Commercial Dyes: An Alternative Light Test Method for Color Fastness. Coatings 2018, 8, 189.

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