期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 172, 期 -, 页码 34-42出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2016.05.050
关键词
Wood protective; Colour measurements; Fourier transform infrared spectroscopy; Hyperspectral imaging; Chemometry
类别
This paper reports the investigation on the effect of protective materials on poplar (Populus sp.) wood modifications as consequence of artificial photo-degradation in controlled environment. The novelty of this work is to try to understand what happens to wood surface under the protective layer. Shellac, beeswax and Linfoil (R) were tested to compare traditional and novel products generally used for wood. The samples, uncovered and covered by these protective layers, were artificially aged. Colour and chemical modifications due to ageing were investigated at different time intervals by reflectance spectrophotometry, Fourier transform infrared spectroscopy and hyperspectral imaging. The obtained data were elaborated by statistical and chemometric tools in order to verify their significance and to assess the relationship between groups of measurements. The results highlighted that shellac, beeswax and Linfoil (R) materials have a very low protective effect on wood photo-degradation for long times of exposure, by little reducing the changes of wood components. (C) 2016 Elsevier B.V. All rights reserved.
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