Abstract
In this research, the colour characteristics [hue (ho) angle, yellow (b*) colour tone, lightness (L*), red (a*) colour tone, chroma (C*), ∆E*, ∆L*, ∆a*, ∆b*, ∆C*, and ∆H*] of surfaces treated with three distinct types of coatings [solvent-based yacht varnish, which has high hardness and is highly resistant to water, a waxy varnish formulated for interior and exterior wood coatings, consisting of a mixture of natural oils, waxes, and resins, and matte-glossy, solvent-based, acrylic resin-based stone varnish)] on American walnut (Juglans nigra L.) wood were examined and compared. When all types of varnishes are applied to wooden surfaces, decreases in b*, C*, ho, and L* values were observed, while increases in a* values were detected. Reviewing the ∆E* values, 13.59 was identified for stone, 16.62 for yacht, and 12.40 for waxy varnish. Upon examination of the ∆H* values, they were determined as 4.72 for stone, 5.06 for yacht, and 3.42 for waxy varnish. The highest values for the parameters L*, b*, C*, and ho, and the lowest value for a*, were determined on the control experimental samples (without any varnish application). In the study, it was observed that the coating types, each with different chemical compositions, yielded different results.
Published Version
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