Physicochemical properties of Pinus massoniana wood subjected to silicone oil heat treatment
Keywords:
Chemical properties, contact angle, lignin, polysaccharides, thermal modification, wettabilityAbstract
In this Study, Pinus massoniana wood was heat treated with silicone oil to modify the chemical composition relative to the unmodified wood. Specifically, polysaccharide, lignin, extractives and ash contents were the properties investigated. The wood samples were first of all pre-heated in a micro-wave oven for 5 minutes to ease heat transfer within the wood. Silicone oil heat treatment was carried out at 150, 180 and 210oC for 2, 4, 8 h. The silicone oil heat treated wood was characterized by Fourier transformed infrared (FTIR), thermogravimetric analysis (TGA), X-ray diffraction (XRD) and contact angle. Results showed that silicone oil heat treatment caused significant decrease in the polysaccharide (P ˂ 0.0001) and ash contents (P ˂ 0.0001) and significant increase in the lignin (P ˂ 0.0001) and extractives contents (P ˂ 0.0001) as the treatment time increased. FTIR results showed that the chemical constituents of the wood were affected by the treatment, while TGA showed that the treated wood resulted in higher thermal stability with increase in the crystallinity index. Silicone oil heat treatment proved to be effective in increasing the contact angle of the wood.
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BEHR, G.; BOLLMUS, S.; GELLERICH, A.; MILITZ, H. 2017. Improvement of mechanical properties of thermally modified hardwood through melamine treatment. Wood Material Science & Engineering 1-9.
BHUIYAN, T. R.; HIRAI, N. 2005. Study of crystalline behavior of heat-treated wood cellulose during treatments in water. Journal of Wood Science 51(1): 42-47.
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CHEN, X.; DORVEL, B.; BOOPALACHANDRAN, P.; KING, S. 2018. Dimensional stability and hardness improvement of southern yellow pine wood using divinylbenzene dioxide. European Journal of Wood and Wood Products 76(2):455-468.
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DA SILVA, M. R.; BRITO, J. O.; GOVONE, J. S.; DE OLIVEIRA MACHADO, G.; JUNIOR, C. C.; CHRISTOFORO, A. L.; LAHR, F. A. R. 2015. Chemical and mechanical properties changes in Corymbia citriodora wood submitted to heat treatment. International Journal of Materials Engineering 5(4): 98-104.
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ESTEVES, B.; GRACA, J.; PEREIRA, H. 2008. Extractive composition and summative chemical analysis of thermally treated eucalypt wood. Holzforschung 62(3): 344-351.
ESTEVES, B.; PEREIRA, H. 2008. Wood modification by heat treatment: A review. BioResources 4(1):370-404.
ESTEVES, B.; VIDEIRA, R.; PEREIRA, H. 2011. Chemistry and ecotoxicity of heat-treated pine wood extractives. Wood Science and Technology 45(4): 661-676.
ESTEVES, B.; MARQUES, A. V.; DOMINGOS, I.; PEREIRA, H. 2008. Heat-induced colour changes of pine (Pinus pinaster) and eucalypt (Eucalyptus globulus) wood. Wood Science and Technology 42(5):369-384.
ETIEGNI, L.; CAMPBELL, A. G. 1991. Physical and chemical characteristics of wood ash. Bioresource technology 37(2): 173-178.
FULLER, B. S.; ELLIS, W. D.; ROWELL, R. M. 1997. Hardened and fire retardant wood products. Google Patents.
GÉRARDIN, P.; PETRIČ, M.; PETRISSAN, M.; LAMBERT, J.; EHRHRARDT, J. J. 2007. Evolution of wood surface free energy after heat treatment. Polymer Degradation and Stability 92(4):653-657.
GOLDSTEIN, I. S. 1977. Wood technology: Chemical aspects. ACS Publications.
GONZÁLEZ-PEÑA, M. M.; CURLING, S. F.; HALE, M. D. 2009. On the effect of heat on the chemical composition and dimensions of thermally-modified wood. Polymer degradation and stability 94(12):2184-2193.
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HERRERA, R.; ERDOCIA, X.; LLANO-PONTE, R.; LABIDI, J. 2014. Characterization of hydrothermally treated wood in relation to changes on its chemical composition and physical properties. Journal of analytical and Applied Pyrolysis (107):256-266.
HILL, C. A. 2007. Wood modification: chemical, thermal and other processes. John Wiley & Sons.
HOSOYA, T.; KAWAMOTO, H.; SAKA, S. 2007. Cellulose–hemicellulose and cellulose–lignin interactions in wood pyrolysis at gasification temperature. Journal of Analytical and Applied Pyrolysis 80(1):118-125.
INARI, G. N.; PETRISSANS, M.; LAMBERT, J.; EHRHARDT, J.; GÉRARDIN, P. 2006. XPS characterization of wood chemical composition after heat-treatment. Surface and Interface Analysis 38(10):1336-1342.
KIM, J. Y.; HWANG, H.; OH, S.; KIM, Y. S.; KIM, U.; CHOI, J. W. 2014. Investigation of structural modification and thermal characteristics of lignin after heat treatment. International Journal of Biological Macromolecules 66:57-65.
KOCAEFE, D.; PONCSAK, S.; BOLUK, Y. 2008. Effect of thermal treatment on the chemical composition and mechanical properties of birch and aspen. BioResources 3(2):517-537.
KONG, L.; TU, K.; GUAN, H.; WANG, X. 2017. Growth of high-density ZnO nanorods on wood with enhanced photostability, flame retardancy and water repellency. Applied Surface Science 407: 479-484.
KOROŠEC, R. C.; LAVRIČ, B.; REP, G.; POHLEVEN, F.; BUKOVEC, P. 2009. Thermogravimetry as a possible tool for determining modification degree of thermally treated Norway spruce wood. Journal of Thermal Analysis and Calorimetry 98(1):189.
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KUČEROVÁ, V.; KAČÍKOVÁ, D.; KAČÍK, F. 2011. Alterations of extractives and cellulose macromolecular characteristics after thermal degradation of spruce wood. Acta Facultatis Xylologiae Zvolen 53(2):77-83.
KUČEROVÁ, V.; LAGAŇA, R.; VÝBOHOVÁ, E.; HÝROŠOVÁ, T. 2016. The Effect of Chemical Changes during Heat Treatment on the Color and Mechanical Properties of Fir Wood. BioResources 11(4):9079-9094.
KUČEROVÁ, V.; VÝBOHOVÁ, E. 2014. Changes of cellulose in hydrolysis of willow (Salix alba L.) wood. Chemicke Listy 108(11):1084-1089.
LENGOWSKI, E. C.; MUÑIZ, G. I. B. D.; KLOCK, U.; NISGOSKI, S. 2018. Potential use of NIR and visible spectroscopy to analyze chemical properties of thermally treated wood. Maderas-Cienc Tecnol 20(4):627-640.
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MILITZ, H.; ALTGEN, M. 2014. Processes and properties of thermally modified wood manufactured in Europe. Deterioration and protection of sustainable biomaterials. ACS Publication 269-285.
MISSIO, A. L.; MATTOS, B. D.; DE CADEMARTORI, P. H.; GATTO, D. A. 2016. Effects of two-step freezing-heat treatments on japanese raisintree (hovenia dulcis thunb.) wood properties. Journal of Wood Chemistry and Technology 36(1):16-26.
MISSIO, A. L.; MATTOS, B. D.; DE CADEMARTORI, P. H.; PERTUZZATTI, A.; CONTE, B.; GATTO, D. A. 2015. Thermochemical and physical properties of two fast-growing eucalypt woods subjected to two-step freeze–heat treatments. Thermochimica Acta 615:15-22.
MITCHELL, R.; SEBORG, R.; MILLETT, M. 1953. Effect of heat on the properties and chemical composition of Douglas-fir wood and its major components. Journal of the Forest Products Research Society 3(4):38-42.
NAIK, T. R.; KRAUS, R. N.; KUMAR, R. 2001. Wood Ash: A New Source of Pozzolanic Material: Report N. REP-435. UMW Center for By-Products Utilization.
O'CONNOR, R. T.; DUPRÉ, E. F.; MITCHAM, D. 1958. Applications of infrared absorption spectroscopy to investigations of cotton and modified cottons Part I: physical and crystalline modifications and oxidation. Textile Research Journal 28(5):382-392.
OKON, K. E.; LIN, F.; CHEN, Y.; HUANG, B. 2017b. Effect of silicone oil heat treatment on the chemical composition, cellulose crystalline structure and contact angle of Chinese parasol wood. Carbohydrate Polymers 164:179-185.
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2019-10-01
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Edet OKON, K., & Ime UDOAKPAN, U. (2019). Physicochemical properties of Pinus massoniana wood subjected to silicone oil heat treatment. Maderas-Cienc Tecnol, 21(4), 531–544. Retrieved from https://revistas.ubiobio.cl/index.php/MCT/article/view/3704
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