Photodegradation of heat treated hardwood veneers.
Identifieur interne : 002555 ( Main/Exploration ); précédent : 002554; suivant : 002556Photodegradation of heat treated hardwood veneers.
Auteurs : Levente Denes [États-Unis] ; Elemer M. LangSource :
- Journal of photochemistry and photobiology. B, Biology [ 1873-2682 ] ; 2013.
Descripteurs français
- KwdFr :
- MESH :
- effets indésirables : Température élevée.
- Arbres, Couleur, Liriodendron, Photolyse, Quercus.
English descriptors
- KwdEn :
- MESH :
- adverse effects : Hot Temperature.
- Color, Liriodendron, Photolysis, Quercus, Trees.
Abstract
This paper outlines an investigation pertaining to color changes of hardwood veneers exposed to elevated temperature. The effects of convection and contact type heat applications on the different species were separately evaluated. The experimental analyses included two-factor, three-level randomized block designs, where the factors were the temperature and the duration of the exposure. Examined species included: Yellow-poplar (Liriodendron tulipifera L.) and red oak (Quercus rubra L.). Two way analysis of variance (ANOVA) indicated major overall effects with significant interactions between the factors for all species/heat-treatment combinations. However, pair wise comparisons (Tukey tests) revealed lack of significant differences within factors for certain levels. The gained information might be useful for adjusting drying or pressing time/temperature relations. Setting the desired colors by necessary processing operations has certain technological, economical and environmental advantages. The use of additional chemicals to create dark surfaces may be reduced or eliminated.
DOI: 10.1016/j.jphotobiol.2012.09.017
PubMed: 23246011
Affiliations:
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The effects of convection and contact type heat applications on the different species were separately evaluated. The experimental analyses included two-factor, three-level randomized block designs, where the factors were the temperature and the duration of the exposure. Examined species included: Yellow-poplar (Liriodendron tulipifera L.) and red oak (Quercus rubra L.). Two way analysis of variance (ANOVA) indicated major overall effects with significant interactions between the factors for all species/heat-treatment combinations. However, pair wise comparisons (Tukey tests) revealed lack of significant differences within factors for certain levels. The gained information might be useful for adjusting drying or pressing time/temperature relations. Setting the desired colors by necessary processing operations has certain technological, economical and environmental advantages. 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B, Biology</Title><ISOAbbreviation>J Photochem Photobiol B</ISOAbbreviation></Journal><ArticleTitle>Photodegradation of heat treated hardwood veneers.</ArticleTitle><Pagination><MedlinePgn>9-15</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jphotobiol.2012.09.017</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S1011-1344(12)00215-1</ELocationID><Abstract><AbstractText>This paper outlines an investigation pertaining to color changes of hardwood veneers exposed to elevated temperature. The effects of convection and contact type heat applications on the different species were separately evaluated. The experimental analyses included two-factor, three-level randomized block designs, where the factors were the temperature and the duration of the exposure. Examined species included: Yellow-poplar (Liriodendron tulipifera L.) and red oak (Quercus rubra L.). Two way analysis of variance (ANOVA) indicated major overall effects with significant interactions between the factors for all species/heat-treatment combinations. However, pair wise comparisons (Tukey tests) revealed lack of significant differences within factors for certain levels. The gained information might be useful for adjusting drying or pressing time/temperature relations. Setting the desired colors by necessary processing operations has certain technological, economical and environmental advantages. The use of additional chemicals to create dark surfaces may be reduced or eliminated.</AbstractText><CopyrightInformation>Copyright © 2012 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Denes</LastName><ForeName>Levente</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>West Virginia University, Division of Forestry and Natural Resources, Percival Hall, Morgantown, WV 26506, USA. dali@fmk.nyme.hu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lang</LastName><ForeName>Elemer M</ForeName><Initials>EM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>11</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>J Photochem Photobiol B</MedlineTA><NlmUniqueID>8804966</NlmUniqueID><ISSNLinking>1011-1344</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003116" MajorTopicYN="N">Color</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006358" MajorTopicYN="N">Hot Temperature</DescriptorName><QualifierName UI="Q000009" MajorTopicYN="Y">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031567" MajorTopicYN="Y">Liriodendron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010782" MajorTopicYN="Y">Photolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029963" MajorTopicYN="Y">Quercus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>06</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>09</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>09</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>12</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>12</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>6</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23246011</ArticleId><ArticleId IdType="pii">S1011-1344(12)00215-1</ArticleId><ArticleId IdType="doi">10.1016/j.jphotobiol.2012.09.017</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Virginie-Occidentale</li></region></list><tree><noCountry><name sortKey="Lang, Elemer M" sort="Lang, Elemer M" uniqKey="Lang E" first="Elemer M" last="Lang">Elemer M. Lang</name></noCountry><country name="États-Unis"><region name="Virginie-Occidentale"><name sortKey="Denes, Levente" sort="Denes, Levente" uniqKey="Denes L" first="Levente" last="Denes">Levente Denes</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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