Journal of Materials Science

, Volume 48, Issue 18, pp 6352–6356 | Cite as

What is the role of the accessibility of wood hydroxyl groups in controlling moisture content?

  • Lauri Rautkari
  • Callum A. S. Hill
  • Simon Curling
  • Zaihan Jalaludin
  • Graham Ormondroyd


It has often been claimed that the equilibrium moisture content (EMC) of wood is controlled by the available hydroxyl group content and their accessibility, but this has not been proven. In the present study, the accessibility of the hydroxyl groups were analysed by deuterium exchange in a dynamic vapour sorption apparatus, and generally poor correlation with the EMC and hydroxyl group accessibility was found. Therefore, the role of the accessibility of wood hydroxyl groups in relation to exerting sole influence on the EMC is disputable. It is concluded that there has to be an additional mechanism to exercise control over the EMC in addition to hydroxyl group accessibility.


Lignin Hemicellulose Sorption Isotherm Equilibrium Moisture Content Crystallinity Index 
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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Lauri Rautkari
    • 1
    • 2
  • Callum A. S. Hill
    • 1
  • Simon Curling
    • 3
  • Zaihan Jalaludin
    • 4
  • Graham Ormondroyd
    • 3
  1. 1.Forest Products Research InstituteJoint Research Institute for Civil and Environmental Engineering, School of Engineering and the Built Environment, Edinburgh Napier UniversityEdinburghUK
  2. 2.Department of Forest Products TechnologySchool of Chemical Technology, Aalto UniversityAaltoFinland
  3. 3.The BioComposites CentreBangor UniversityBangorUK
  4. 4.Forest Research Institute MalaysiaKepongMalaysia

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