Plasma Activation of Wood Surface by Diffuse Coplanar Surface Barrier Discharge

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Authors

ODRÁŠKOVÁ Mária RÁHEĽ Jozef ZAHORANOVÁ Anna TIŇO Radovan ČERNÁK Mirko

Year of publication 2008
Type Article in Periodical
Magazine / Source Plasma Chemistry and Plasma Processing
MU Faculty or unit

Faculty of Science

Citation
Web http://www.springerlink.com/content/084t050427u172k2/
Field Plasma physics
Keywords Oak wood - Plasma activation - Atmospheric pressure plasma - DCSBD - Coplanar discharge
Description Radial cuts of Pedunculate oak (Quercus robur L.) heartwood was activated by Diffuse Coplanar Surface Barrier Discharge (DCSBD) plasma. The plasma treatment resulted in a considerable increase of free surface energy and in the substantial reduction of 50 microL water droplet uptake time. FTIR analysis confirmed the formation of additional polar functional groups on the wood surface due to the plasma treatment. This is consistent with the shift of wood surface pH level towards more acidic values. The energy efficiency of the DCSBD plasma treatment is better comparing to the known volume dielectric barrier discharge treatment method.
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