Abstract
This study is aimed to develop an eco-friendly wood stained extracted from beetroot (Beta vulgaris) and determine the color stability of this stain to UV light irradiation. Natural dyestuff were extracted from beetroot by ultrasonic-assisted method and prepared from aqueous solution with ferrous sulphate, aluminum sulphate, copper sulphate and vinegar mordant mixes. Scots pine (Pinus sylvestris), oriental beech (Fagus orientalis), oak (Quercus petraea) and walnut (Juglans regia) wood specimens were used for the study. After treatment with stain, wood specimens were exposed to UV irradiation for periods of 50, 100 and 150 hours. Results showed that the color change values for all wood specimens colored with beetroot extract had better performance compared to synthetic dye. Beetroot extracts may be used as an upper surface dyestuff for indoor application and toys. Therefore, alternative to synthetic dyes more economical and eco-friendly, wood paints may be developed.
Highlights
Wood is commonly used for different purposes ranging from high-performance constructions to filigree art work
In this study we have focused on the coloring wood material by red beetroot extract and mordant mixes to determine their properties of color change after UV weathering and durability after leaching
Color changes values occurring on Scots pine, oriental beech, walnut and oak wood test samples stained with beetroot extracts and mordant mixes extracts and exposed to UV application for 50, 100, and 150 h are numerically represented in Tables 1 and 2
Summary
Wood is commonly used for different purposes ranging from high-performance constructions to filigree art work. Wood materials need to preservation and coloring by chemicals in terms of environmental health in recent years. International awareness of environment, ecology and pollution control created an upsurge on the interest of people to use more environmentally products. Natural dyes derived from flora and fauna are believed to be safe because of their non-toxic, non-carcinogenic and biodegradable nature (Mirjalili et al 2011). For this reason, the importance of the protection of wood material by natural sources is gaining importance day by day
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