Effect of Iron Oxide on the Protective Photochromism of African Padauk
African padauk is a tree whose wood is an excellent material for producing decorative items. The wood is susceptible to sunlight exposure and degrades severely, even after short exposures, which leads to discoloration. Ultraviolet irradiation is the main factor that produces discoloration. In this s...
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Wiley
2019-01-01
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Series: | Advances in Polymer Technology |
Online Access: | http://dx.doi.org/10.1155/2019/8698746 |
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author | Chen Wang Ye Qin Fang Wang Zhiping Wang Anmin Huang |
author_facet | Chen Wang Ye Qin Fang Wang Zhiping Wang Anmin Huang |
author_sort | Chen Wang |
collection | DOAJ |
description | African padauk is a tree whose wood is an excellent material for producing decorative items. The wood is susceptible to sunlight exposure and degrades severely, even after short exposures, which leads to discoloration. Ultraviolet irradiation is the main factor that produces discoloration. In this study, chemical changes occurring on the wood surfaces were analyzed by Fourier transform infrared spectroscopy. The discoloration of the African padauk was mainly because of the photodegradation of lignin and extractives by ultraviolet radiation. Additionally, the inhibitory effect of different concentrations of red iron oxide coating was investigated. The results revealed that the chromatism ΔE⁎ was considerably reduced with the protection of iron oxide. However, the inhibition of the discoloration rate of the specimens covered with a film of red iron oxide increased with values reaching approximately 80%. The red iron oxide coating had a strong inhibitory effect on the discoloration of the African padauk. |
format | Article |
id | doaj-art-7f1d1201adcb4dec8a3ce09b117124d8 |
institution | Kabale University |
issn | 0730-6679 1098-2329 |
language | English |
publishDate | 2019-01-01 |
publisher | Wiley |
record_format | Article |
series | Advances in Polymer Technology |
spelling | doaj-art-7f1d1201adcb4dec8a3ce09b117124d82025-02-03T01:28:56ZengWileyAdvances in Polymer Technology0730-66791098-23292019-01-01201910.1155/2019/86987468698746Effect of Iron Oxide on the Protective Photochromism of African PadaukChen Wang0Ye Qin1Fang Wang2Zhiping Wang3Anmin Huang4Research Institute of Wood Industry, Chinese Academy of Forestry, Xiangshan Road 2, Haidian 100091, Beijing, ChinaResearch Institute of Wood Industry, Chinese Academy of Forestry, Xiangshan Road 2, Haidian 100091, Beijing, ChinaResearch Institute of Wood Industry, Chinese Academy of Forestry, Xiangshan Road 2, Haidian 100091, Beijing, ChinaResearch Institute of Wood Industry, Chinese Academy of Forestry, Xiangshan Road 2, Haidian 100091, Beijing, ChinaResearch Institute of Wood Industry, Chinese Academy of Forestry, Xiangshan Road 2, Haidian 100091, Beijing, ChinaAfrican padauk is a tree whose wood is an excellent material for producing decorative items. The wood is susceptible to sunlight exposure and degrades severely, even after short exposures, which leads to discoloration. Ultraviolet irradiation is the main factor that produces discoloration. In this study, chemical changes occurring on the wood surfaces were analyzed by Fourier transform infrared spectroscopy. The discoloration of the African padauk was mainly because of the photodegradation of lignin and extractives by ultraviolet radiation. Additionally, the inhibitory effect of different concentrations of red iron oxide coating was investigated. The results revealed that the chromatism ΔE⁎ was considerably reduced with the protection of iron oxide. However, the inhibition of the discoloration rate of the specimens covered with a film of red iron oxide increased with values reaching approximately 80%. The red iron oxide coating had a strong inhibitory effect on the discoloration of the African padauk.http://dx.doi.org/10.1155/2019/8698746 |
spellingShingle | Chen Wang Ye Qin Fang Wang Zhiping Wang Anmin Huang Effect of Iron Oxide on the Protective Photochromism of African Padauk Advances in Polymer Technology |
title | Effect of Iron Oxide on the Protective Photochromism of African Padauk |
title_full | Effect of Iron Oxide on the Protective Photochromism of African Padauk |
title_fullStr | Effect of Iron Oxide on the Protective Photochromism of African Padauk |
title_full_unstemmed | Effect of Iron Oxide on the Protective Photochromism of African Padauk |
title_short | Effect of Iron Oxide on the Protective Photochromism of African Padauk |
title_sort | effect of iron oxide on the protective photochromism of african padauk |
url | http://dx.doi.org/10.1155/2019/8698746 |
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