The Influence of a Thermal Treatment on the Decay Resistance of Wood via FTIR Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Wave number (cm<sup>−1</sup>)</td><td class="align_center">Functional groups</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">3448</td><td class="align_center">OH</td></tr><tr><td class="align_left">2945</td><td class="align_center">CH<sub>3</sub>-CH<sub>2</sub>- (cellulose)</td></tr><tr><td class="align_left">1751</td><td class="align_center">C=O (hemicellulose)</td></tr><tr><td class="align_left">1592</td><td class="align_center">A benzene ring skeleton (lignin)</td></tr><tr><td class="align_left">1508</td><td class="align_center">Aromatic ring skeleton retractable vibration</td></tr><tr><td class="align_left">1425</td><td class="align_center">C-H plane deformation (aromatic ring skeleton)</td></tr><tr><td class="align_left">1373</td><td class="align_center">Condensation of S- and G-type lignin structures</td></tr><tr><td class="align_left">1217</td><td class="align_center">C=O stretching vibration (G-type lignin)</td></tr><tr><td class="align_left">1155</td><td class="align_center">C=O stretching vibration (S-type lignin)</td></tr><tr><td class="align_left">1018</td><td class="align_center">Aryl C–H plane deformation (G- &gt; S-)</td></tr><tr><td class="align_left">831</td><td class="align_center">The deformation out of the plane (S-type lignin)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 2

Table 2: The Influence of a Thermal Treatment on the Decay Resistance of Wood via FTIR Analysis 