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Received:January 18, 2018Revised:January 19, 2018
基金项目:
Effects of Thermal Treatment on Color in Eucalyptus urophylla Wood
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Abstract:
Thermal treatment is one of the most effective methods to modify wood color, which can change wood color from original to deeper even puce with an increase of temperature and duration during thermal treatment process. Eucalyptus urophylla wood was chosen as material treated by the temperature of 180, 190, 200, 210 and 220 ℃ for 1, 2, 3, 4, and 5 hours respectively, according to Random Complete Block Design method. The range of variance value of ΔE * and ΔH * is increased. However, the range of variance value of ΔC * is decreased, that indicates that the color of the wood is changed from original to puce. There is a significant difference at the 0.01 level between color change and treat temperature and duration, respectively. The temperature of thermal treatment has a more effective than thermal treatment duration.
Key words:  thermal treatment; Eucalyptus urophylla; chroma difference; color difference; hue difference

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