Surface wettability of Brazilian tropical wood flooring treated with He plasma

Authors

  • Pedro Henrique G. de Cademartori
  • Silvana Nisgoski
  • Washington L. E. Magalhães
  • Graciela Ines B. de Muniz

Keywords:

Contact angle, glow discharge, plasma treatment, spreading, surface modification, wetting.

Abstract

This study investigated the effect of plasma treatment on changes of surface wettability of wood flooring from two Brazilian tropical species, Hymenaea spp. (rode locus) and Tabebuia spp. (lapacho). Wood flooring samples were plasma treated at low pressure in a helium atmosphere. Energy level was set at 100 W and four glow discharge times (5, 15, 30 and 45 s) were tested. Changes in wettability were investigated by measuring apparent contact angle, droplet volume and spreading contact area.

The results showed less susceptibility of lapacho wood to the plasma treatments, while reduction of apparent contact angle in rode locus wood reached up to 76% for longer discharge times. In general, discharge time of 15 s produced the same effect as discharge of 45 s on wettability, which is important for industrial applications. Visual analyses revealed increase of water droplet spreading on lapacho wood surface, even though the variation of spreading contact area was not significant. Plasma treatment is feasible to improve wettability of tropical woods. Nevertheless, these findings should be investigated further due to the intrinsic characteristics of woods from tropical species.

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References

Acda, M.N.; Devera, E.E.; Cabangon, R.J.; Ramos, H.J. 2012. Effects of plasma modification on adhesion properties of wood. International Journal of Adhesion and Adhesives 32(0):70-75.

Akgül, M.; Korkut, S.; Çamlibel, O.; Candan, Z.; Akbulut, T. 2012. Wettability and surface roughness characteristics of medium density fiberboard panels from rhododendron (Rhododendron ponticum) biomass. Maderas-Cienc Tecnol 14(2):185-193.

Asandulesa, M.; Topala, I.; Dumitrascu, N. 2010. Effect of helium DBD plasma treatment on the surface of wood samples. Holzforschung 64(2):223-227.

Avramidis, G.; Klarhöfer, L.; Maus-Friedrichs, W.; Militz, H.; Viöl, W. 2012. Influence of air plasma treatment at atmospheric pressure on wood extractives. Polymer Degradation and Stability 97(3):469-471.

Avramidis, G.; Militz, H.; Avar, I.; Viöl, W.; Wolkenhauer, A. 2012. Improved absorption characteristics of thermally modified beech veneer produced by plasma treatment. European Journal of Wood and Wood Products 70(5):545-549.

Aydin, I.; Demirkir, C. 2010. Activation of Spruce Wood Surfaces by Plasma Treatment After Long Terms of Natural Surface Inactivation. Plasma Chemistry and Plasma Processing 30(5):697-706.

Cademartori, P.H.G.; Muniz, G.I.B.; Magalhães, W.L.E. 2015. Changes of wettability of medium density fiberboard (MDF) treated with He-DBD plasma. Holzforschung 69(2):187-192.

Carlotti, S.; Mas, A. 1998. Improvement of adhesion of PET fibers to rubber by argon-oxygen plasma treatment. Journal of Applied Polymer Science 69(12):2321-2330.

Chandra, S.; Di Marzo, M.; Qiao, Y.M.; Tartarini, P. 1996. Effect of liquid-solid contact angle on droplet evaporation. Fire Safety Journal 27(2):141-158.

Christiansen, A.W. 1991. How overdrying wood reduces its bonding to phenol-formaldehyde adhesives : a critical review of the literature. Part II, Chemical reactions. Wood and Fiber Science 23(1):69-84.

D’agostino, R.; Favia, P.; Kawai, Y.; Ikegami, H.; Sato, N.; Arefi-Khonsari, F. 2008. Advanced Plasma Technology. Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Denes, A.R.; Tshabalala, M.A.; Rowell, R.; Denes, F.; Young, R.A. 1999. Hexamethyldisiloxane- Plasma Coating of Wood Surfaces for Creating Water Repellent Characteristics. Holzforschung 53 (3): 318-326.

Dineff, P.; Gospodinova, D.; Avramov, I. 2011. Plasma aided flame retardation of wood, wooden products and cellulosic materials. Advances in Materials Sciences 11 (3): 28-42.

Fujimoto, H.; Ogino, T.; Takuda, H.; Hatta, N. 2001. Collision of a droplet with a hemispherical static droplet on a solid. International Journal of Multiphase Flow 27(7):1227-1245.

Hünnekens, B.; Peters, F.; Avramidis, G.; Krause, A.; Militz, H.; Viöl, W. 2016. Plasma treatment of wood-polymer composites: a comparison of three different discharge types and their effect on surface properties. Journal of Applied Polymer Science DOI: 10.1002/app.43376.

International Tropical Timber Organization, I. 2015. Bienal review and assesment of the world timber situation 2013-2014. International Tropical Timber Organization, Yokohama, Japan.

Jamali, A.; Evans, P. 2011. Etching of wood surfaces by glow discharge plasma. Wood Science and Technology 45(1):169-182.

Kannangara, D.; Shen, W. 2008. Roughness effects of cellulose and paper substrates on water drop impact and recoil. Colloids and Surfaces A: Physicochemical and Engineering Aspects 330(2-3):151-160.

Liston, E.M. 1989. Plasma Treatment for Improved Bonding: A Review. The Journal of Adhesion 30(1-4):199-218.

Novák, I.; Popelka, A.; Špitalský, Z.; Mičušík, M.; Omastová, M.; Valentin, M.; Sedliačik, J.; Janigová, I.; Kleinová, A.; Šlouf, M. 2015. Investigation of beech wood modified by radio-frequency discharge plasma. Vacuum 119(0):88-94.

Placinta, G.; Arefi-Khonsari, F.; Gheorghiu, M.; Amouroux, J.; Popa, G. 1997. Surface properties and the stability of poly(ethylene terephtalate) films treated in plasmas of helium-oxygen mixtures. Journal of Applied Polymer Science 66(7):1367-1375.

Potočňáková, L.; Hnilica, J.; Kudrle, V. 2013. Increase of wettability of soft- and hardwoods using microwave plasma. International Journal of Adhesion and Adhesives 45: 125-131.

Riedl, B.; Angel, C.; Prégent, J.; Blanchet, P.; Stafford, L. 2014. Effect of wood surface modification by atmospheric pressure plasma on waterborne coating adhesion. Bioresources 9(3):4908-4923.

Romagnoli, M.; Segoloni, E.; Luna, M.; Margaritelli, A.; Gatti, M.; Santamaria, U.;

Vinciguerra, V. 2013. Wood colour in Lapacho (Tabebuia serratifolia): chemical composition and industrial implications. Wood Science and Technology 47(4):701-716.

Tang, L.; Zhang, R.; Zhou, X.; Pan, M.; Chen, M.; Yang, X.; Zhou, P.; Chen, Z. 2012. Dynamic adhesive wettability of poplar venner with cold oxygen plasma treatment. Bioresources 7(3):3327-3339.

Thenepalli, T.; Jun, A.Y.; Han, C.; Ramakrishna, C.; Ahn, J.W. 2015. A strategy of precipitated calcium carbonate (CaCO3) fillers for enhancing the mechanical properties of polypropylene polymers. Korean Journal of Chemical Engineering 32(6):1009-1022.

Wang, X.S.; Zhao, X.D.; Zhang, Y.; Cai, X.; Gu, R.; Xu, H.L. 2009. Experimental study on the interaction of a water drop impacting on hot liquid surfaces. Journal of Fire Sciences 27(6):545-559.

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How to Cite

G. de Cademartori, P. H., Nisgoski, S., L. E. Magalhães, W., & Ines B. de Muniz, G. (2016). Surface wettability of Brazilian tropical wood flooring treated with He plasma. Maderas-Cienc Tecnol, 18(4), 715–722. Retrieved from https://revistas.ubiobio.cl/index.php/MCT/article/view/2567

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