Startseite Effect of plasma treatment on cell-wall adhesion of urea-formaldehyde resin revealed by nanoindentation
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Effect of plasma treatment on cell-wall adhesion of urea-formaldehyde resin revealed by nanoindentation

  • Johannes Konnerth EMAIL logo , Martin Weigl , Wolfgang Gindl-Altmutter , Georg Avramidis , Arndt Wolkenhauer , Wolfgang Viöl , Martin Gilge und Michael Obersriebnig
Veröffentlicht/Copyright: 30. Januar 2014
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Abstract

Spruce wood surfaces were treated with plasma with the aim of increacing either hydrophilicity or hydrophobicity. The treatments resulted in significant changes in wettability compared to aged and reference samples. Wettability was found to be a very good indicator of macroscopic bond strength. Nanoindentation adhesion measurements identified significant changes in adhesion at the immediate wood surface as a primary source of changes of bond performance, whereas mechanical performance of bulk wood cells was not affected.


Corresponding author: Johannes Konnerth, Institute of Wood Technology and Renewable Resources, Department of Material Science and Process Engineering, BOKU-University of Natural Resources and Life Sciences, Vienna, Konrad Lorenz Strasse 24, A-3430 Tulln, Austria, e-mail:

Acknowledgments

We acknowledge the contribution of our students and technicians Christian Tippelreiter, Clemens Schmidberger and Gerhard Emsenhuber who carried out parts of the laboratory work. This work was co-funded by the Austrian Government within the FFG “Fabrik der Zukunft” program.

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Received: 2013-7-15
Accepted: 2014-1-7
Published Online: 2014-1-30
Published in Print: 2014-8-1

© 2014 by De Gruyter

Artikel in diesem Heft

  1. Frontmatter
  2. Original Articles
  3. Lignin chemistry and topochemistry during kraft delignification of Eucalyptus globulus genotypes with contrasting pulpwood characteristics
  4. Rapid functionalisation of cellulose-based materials using a mixture containing laccase activated lauryl gallate and sulfonated lignin
  5. Aggregation of sodium lignosulfonate above a critical temperature
  6. Impact of iron(II) and oxygen on degradation of oak – modeling of the Vasa wood
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  8. Effects of recovered wood on the formaldehyde release of particleboards
  9. Oxalic acid production and metal removal during fungal degradation of CCA-treated wood in nutrient culture
  10. Analysis of cold temperature effect on stress wave velocity in green wood
  11. Finite element modeling and experimental validation of radio frequency heating (RFH) of curved laminated wood-based panels
  12. Anti-termitic potential of heartwood and bark extract and chemical compounds isolated from Madhuca utilis Ridl. H. J. Lam and Neobalanocarpus heimii King P. S. Ashton
  13. Effects of thermal modification on wood ultrastructure analyzed with crystallographic texture
  14. Short Notes
  15. Potential contribution of anion exclusion to hydroxide penetration in green liquor-modified kraft pulping
  16. Improving the weathering on larch wood samples by electron beam irradiation (EBI)
  17. Effect of plasma treatment on cell-wall adhesion of urea-formaldehyde resin revealed by nanoindentation
  18. Imaging hyphal growth of Physisporinus vitreus in Norway spruce wood by means of confocal laser scanning microscopy (CLSM)
  19. Meetings
  20. Meetings
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