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Dielectric barrier discharge plasma at atmospheric pressure to enhance pine wood surfaces hydrophilic character and adhesion properties

Abstract : In this paper, the effects of dielectric barrier discharge plasma treatment at atmospheric pressure on wettability, aging behavior and adhesion properties on a Yunnan pine wood surface were investigated. Contact angle, X-ray Photoelectron Spectroscopy and Fourier Transform Infrared Spectroscopy measurements were used to study the changes of surface energy and chemical elements in the wood surface due to dielectric barrier discharge plasma treatments. An increase in the surface energy, in the proportion of-OH, -CO and -COOH functional groups and in the shear bond strength of wood bonded with Urea-formaldehyde, Melamine-formaldehyde and Melamine-Urea- formaldehyde adhesives after plasma treatment were observed. The results indicated that the wood surface hydrophilic character, wettability and adhesion properties were improved. However, the results of aging behavior indicated that wood surface modification of plasma treatment had a limit of time. With the time increased, the modification effects were eventually disappeared.
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https://hal.univ-lorraine.fr/hal-01598423
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Submitted on : Friday, September 29, 2017 - 3:32:11 PM
Last modification on : Monday, May 6, 2019 - 3:52:02 PM

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  • HAL Id : hal-01598423, version 1

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Jun Zhang, Antonio Pizzi, Marie Christine Lagel, Guanben Du, Xiaojian Zhou, et al.. Dielectric barrier discharge plasma at atmospheric pressure to enhance pine wood surfaces hydrophilic character and adhesion properties. Wood Research, Statny Drevarsky Vyskumny Ustav, 2015, 60 (5), pp.773-781. ⟨hal-01598423⟩

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