Journal article Open Access

Assessment of the chemical change in heat treated pine wood by near infrared spectroscopy

Zuzana Vidholdová; Anna Sandak; Jakub Sandak


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  <identifier identifierType="URL">https://zenodo.org/record/2635541</identifier>
  <creators>
    <creator>
      <creatorName>Zuzana Vidholdová</creatorName>
      <affiliation>Technical University in Zvolen</affiliation>
    </creator>
    <creator>
      <creatorName>Anna Sandak</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-2515-0991</nameIdentifier>
      <affiliation>InnoRenew CoE; University of Primorska; Trees and Timber Institute CNR-IVALSA</affiliation>
    </creator>
    <creator>
      <creatorName>Jakub Sandak</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-9190-677X</nameIdentifier>
      <affiliation>InnoRenew CoE; University of Primorska; Trees and Timber Institute CNR-IVALSA</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Assessment of the chemical change in heat treated pine wood by near infrared spectroscopy</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>Pine</subject>
    <subject>Heat treatment</subject>
    <subject>xylograms</subject>
    <subject>FT-NIR</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-04-10</date>
  </dates>
  <resourceType resourceTypeGeneral="JournalArticle"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="issn">1336-3824</alternateIdentifier>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/2635541</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.17423/afx.2019.61.1.03</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/innorenew</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Fourier-transform near-infrared spectroscopy (FT-NIR) was used as none-destructive&amp;nbsp;method to determinate changes in the chemical structure of heat-treated wood. For this purpose,&amp;nbsp;pine sapwood (Pinus sylvestris L.) was treated at different temperatures (from 100 &amp;deg;C to 240 &amp;deg;C)&amp;nbsp;and for three durations(1, 3 or 5 hours). The effects of chemical changes on the FT-NIR spectra are linked to absorbance changes of functional groups (&amp;ndash;OH, &amp;ndash;CH, &amp;ndash;CO and &amp;ndash;CH2) of lignin,&amp;nbsp;hemicelluloses and cellulose. Gradual degradation of amorphous portion of cellulose was&amp;nbsp;caused by high temperature, while crystalline and semi-crystalline portions of cellulose&amp;nbsp;seem to be less affected by the thermal treatment. The effect of various intensities of heat&amp;nbsp;treatment on chemical changes of wood polymers varied depending on temperature and&amp;nbsp;duration. Presentation of spectra in the form of the xylograms shows clear tendency of&amp;nbsp;degradation kinetic. Evaluation of thermal stability of selected wood component and/or&amp;nbsp;comparison of the influence of modification process parameters can be carried out.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/739574/">739574</awardNumber>
      <awardTitle>Renewable materials and healthy environments research and innovation centre of excellence</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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