Original

Wood Science and Technology

, Volume 45, Issue 2, pp 359-368

First online:

Improved bondability of wax-treated wood following plasma treatment

  • Georg AvramidisAffiliated withFaculty of Natural Sciences and Technology, University of Applied Sciences and Arts
  • , Gunthard ScholzAffiliated withDepartment of Wood Biology and Wood Products, Georg-August-University of Göttingen
  • , Evelyn NothnickAffiliated withFaculty of Natural Sciences and Technology, University of Applied Sciences and Arts
  • , Holger MilitzAffiliated withDepartment of Wood Biology and Wood Products, Georg-August-University of Göttingen
  • , Wolfgang ViölAffiliated withFaculty of Natural Sciences and Technology, University of Applied Sciences and ArtsLaser-Laboratorium Göttingen e.V. Email author 
  • , Arndt WolkenhauerAffiliated withFaculty of Natural Sciences and Technology, University of Applied Sciences and Arts

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Abstract

In this study, the impact of a plasma treatment using dielectric barrier discharge at atmospheric pressure on wax-treated beech was investigated by surface energy determination and adhesion tests. Measurements of the surface energy revealed a strong increase in surface polarity along with increased surface energy as a result of the plasma treatment, pointing to increased adhesion properties. To evaluate the adhesion properties of a polyvinyl acetate (PVAc) adhesive on beech treated with montan ester wax and synthetic Fischer–Tropsch wax, a special peel test was applied. This peel test provided evidence of increased adhesion of the PVAc after plasma treatment of both materials investigated.