Abstract
Bamboo is a widely utilized product. The use of dyes in coloring is now becoming important in bamboo dyeing as color can provide consumer appeal and improve aesthetics. Unlike wood, bamboo has a relatively uniform color, which is beige on the inside and green on the outside. Another important step in bamboo processing is preservation. This research examines bamboo colored using synthetic dyes using textile dyes which are azo group, natural dyes derived from the extraction of sappan wood, and examines the addition of borax boric preservatives. There are four treatments: natural dyes with preservatives, natural dyes only, synthetic dyes with preservative, and synthetic dyes only. Several tests were carried out, namely retention, penetration, staining evaluation using the CIELab method, and color change tests. It was found that natural dyes exhibited higher retention than synthetic ones, and both dyes without preservatives surpassed those with preservatives. Penetration was higher in natural dyes and those with preservatives. In comparison to the natural dyes, the color produced from synthetic dyes has a higher red intensity and a darker brightness level. While the addition of preservatives produces a lighter color with a higher brightness value. All treatments showed discoloration due to UV light exposure.
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More From: IOP Conference Series: Earth and Environmental Science
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