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Enhanced urea-formaldehyde adhesive spreading on plasma treated wood particles

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Abstract

It is assumed that improved mechanical properties of plasma treated particleboards are caused by enhanced spreading of urea-formaldehyde adhesive on wood particles. Spreading of adhesive drops was therefore microscopically evaluated based on dimensions and shape of the drops. Plasma treated wood surfaces revealed increased adhesive spreading, which resulted in more contiguous and increased adhesive areas; this was indicated by decreased drop circularity. It is concluded that the plasma treatment increases the adhesive coverage of the particles and therefore enhances the mechanical properties.

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Authors and Affiliations

  1. Department of Wood Biology and Wood Products, Georg-August-University, Büsgenweg 4, 37077, Göttingen, Germany

    Daniela Altgen & Carsten Mai

  2. Application Centre for Plasma and Photonic, Fraunhofer IST, Von-Ossietzky-Str. 100, 37085, Göttingen, Germany

    Martin Bellmann

  3. Department of Plasma- and Laser Technology, University of Applied Sciences and Arts, Von-Ossietzky-Straße 99, 37085, Göttingen, Germany

    Richard Wascher

Authors
  1. Daniela Altgen
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  2. Martin Bellmann
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  3. Richard Wascher
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  4. Carsten Mai
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Corresponding author

Correspondence to Carsten Mai.

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Altgen, D., Bellmann, M., Wascher, R. et al. Enhanced urea-formaldehyde adhesive spreading on plasma treated wood particles. Eur. J. Wood Prod. 74, 617–620 (2016). https://doi.org/10.1007/s00107-016-1026-1

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  • DOI: https://doi.org/10.1007/s00107-016-1026-1

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