Influence of process conditions on hygroscopicity and mechanical properties of European beech thermally modified in a high-pressure reactor system

References

Altgen, M., Militz, H. (2015) Effect of temperature and steam pressure during the thermal modification process. Proceedings of the 8th European Conference on Wood Modification, Helsinki, Finland, pp. 226–233.Suche in Google Scholar

Arnold, M. (2010) Effect of moisture on the bending properties of thermally modified beech and spruce. J. Mater. Sci. 45, 669–680.10.1007/s10853-009-3984-8Suche in Google Scholar

Biziks, V., Andersons, B., Sansonetti, E., Andersone, I., Militz, H., Grinins, J. (2015) One-stage thermo-hydro treatment (THT) of hardwoods: an analysis of form stability after five soaking-drying cycles. Holzforschung 69, 563–571.10.1515/hf-2014-0083Suche in Google Scholar

Boonstra, M.J., Van Acker, J., Tjeerdsma, B.F., Kegel, E.V. (2007) Strength properties of thermally modified softwoods and its relation to polymeric structural wood constituents. Ann. For. Sci. 64, 679–690.10.1051/forest:2007048Suche in Google Scholar

Borrega, M., Kärenlampi, P. (2008a) Effect of relative humidity on thermal degradation of Norway spruce (Picea abies) wood. J. Wood. Sci. 54, 323–328.10.1007/s10086-008-0953-9Suche in Google Scholar

Borrega, M., Kärenlampi, P. (2008b) Mechanical behavior of heat-treated spruce (Picea abies) wood at constant moisture content and ambient humidity. Holz Roh. Werkst. 66, 63–69.10.1007/s00107-007-0207-3Suche in Google Scholar

Borrega, M., Kärenlampi, P. (2010) Hygroscopicity of heat-treated Norway spruce (Picea abies) wood. Eur. J. Wood Wood. Prod. 68, 233–235.10.1007/s00107-009-0371-8Suche in Google Scholar

Candelier, K., Dumarçay, S., Pétrissans, A., Desharnais, L., Gérardin, P., Pétrissans, M. (2013) Comparison of chemical composition and decay durability of heat treated wood cured under different inert atmospheres: nitrogen or vacuum. Polym. Degrad. Stabil. 98, 677–681.10.1016/j.polymdegradstab.2012.10.022Suche in Google Scholar

Chaouch, M., Dumarçay, S., Pétrissans, A., Pétrissans, M., Gérardin, P. (2013) Effect of heat treatment intensity on some conferred properties of different European softwood and hardwood species. Wood Sci. Technol. 47, 663–673.10.1007/s00226-013-0533-zSuche in Google Scholar

Chow, S.Z., Pickles, K.J. (1971) Thermal softening and degradation of wood and bark. Wood Fiber Sci. 3, 166–178.Suche in Google Scholar

Deutsche Industrie-Norm, DIN 52186. (1978) Prüfung von Holz: Biegeversuch.Suche in Google Scholar

Ding, T., Gu, L., Li, T. (2011) Influence of steam pressure on physical and mechanical properties of heat-treated Mongolian pine lumber. Eur. J. Wood Wood Prod. 69, 121–126.10.1007/s00107-009-0406-1Suche in Google Scholar

Engelhardt, F. (1979) Untersuchungen über die Wasserdampfsorption durch Buchenholz im Temperaturbereich von 110 bis 170°C. Holz Roh. Werkst. 37, 99–112.10.1007/BF02610854Suche in Google Scholar

Engelund, E.T., Thygesen, L.G., Svensson, S., Hill, C.A.S. (2013) A critical discussion of the physics of wood-water interactions. Wood Sci. Technol. 47, 141–161.10.1007/s00226-012-0514-7Suche in Google Scholar

Griffin, D.M. (1977) Water potential and wood-decay fungi. Annu. Rev. Phytopathol. 15, 319–329.10.1146/annurev.py.15.090177.001535Suche in Google Scholar

Hill, C., Ramsay, J., Keating, B., Laine, K., Rautkari, L., Hughes, M., Constant, B. (2012) The water vapour sorption properties of thermally modified and densified wood. J. Mater. Sci. 47, 3191–3197.10.1007/s10853-011-6154-8Suche in Google Scholar

Hillis, W.E. (1984) High-temperature and chemical effects on wood stability. 1. General considerations. Wood Sci. Technol. 18, 281–293.10.1007/BF00353364Suche in Google Scholar

Himmel, S., Mai, C. (2015) Effects of acetylation and formalization on the dynamic vapor sorption behavior of wood. Holzforschung 69, 633–643.10.1515/hf-2014-0161Suche in Google Scholar

Hofmann, T., Wetzig, M., Rétfalvi, T., Sieverts, T., Bergemann, H., Niemz P. (2013) Heat-treatment with the vacuum-press dewatering method: chemical properties of the manufactured wood and the condensation water. Eur. J. Wood Wood Prod. 71, 121–127.10.1007/s00107-012-0657-0Suche in Google Scholar

Hughes, M., Hill, C., Pfriem, A. (2015) The toughness of hygrothermally modified wood – a review. Holzforschung 69, 851–862.10.1515/hf-2014-0184Suche in Google Scholar

Kamdem, D.P., Pizzi, A., Jermannaud, A. (2002) Durability of heat-treated wood. Eur. J. Wood Wood Prod. 60, 1–6.10.1007/s00107-001-0261-1Suche in Google Scholar

Karlsson, O., Torniainen, P., Dagbro, O., Granlund, K., Moren, T. (2012) Presence of water-soluble compounds in thermally modified wood: carbohydrates and furfurals. BioResources 7, 3679–3689.10.15376/biores.7.3.3679-3689Suche in Google Scholar

Kubojima, Y., Okano, T., Ohta, M. (2000) Bending strength and toughness of heat-treated wood. J. Wood Sci. 46, 8–15.10.1007/BF00779547Suche in Google Scholar

Lenth, C.A., Kamke, F.A. (2001) Equilibrium moisture content of wood in high-temperature pressurized environments. Wood Fiber Sci. 33, 104–118.Suche in Google Scholar

Metsä-Kortelainen, S., Antikainen, T., Viitaniemi, P. (2006). The water absorption of sapwood and heartwood of scots pine and norway spruce heat-treated at 170°C, 190°C, 210°C and 230°C. Holz Roh. Werkst. 64, 192–197.10.1007/s00107-005-0063-ySuche in Google Scholar

Militz, H., Altgen, M. (2014) Processes and properties of thermally modified wood manufactured in Europe. In: Deterioration and Protection of Sustainable Biomaterials. Eds. Schultz, T.P., Goodell B., Nicholas, D.D. American Chemical Society, ACS Symposium Series, vol. 1158. pp. 269–285.10.1021/bk-2014-1158.ch016Suche in Google Scholar

Minor, J.L. (1994) Hornification – Its origin and meaning. Prog. Paper Recycl. 3, 93–95.Suche in Google Scholar

Obataya, E., Tomita, B. (2002) Hygroscopicity of heat-treated wood II. Reversible and irreversible reductions in the hygroscopicity of wood due to heating. Mokuzai Gakkaishi 48, 288–295.Suche in Google Scholar

Rautkari, L., Hill, C.A.S. (2014) Effect of initial moisture content on the anti-swelling efficiency of thermally modified Scots pine sapwood treated in a high-pressure reactor under saturated steam. Holzforschung 68, 323–326.10.1515/hf-2013-0078Suche in Google Scholar

Salmen, L., Fahlen, J. (2006) Reflections on the ultrastructure of softwood fibers. Cell. Chem. Technol. 40, 181–185.Suche in Google Scholar

Salmen, L., Olsson, A.M. (1998) Interaction between hemicelluloses, lignin and cellulose: Structure-property relationships. J. Pulp Pap. Sci. 24, 99–103.Suche in Google Scholar

Skaar, C. Wood-Water Relations. Springer Series in Wood Science. Springer, Berlin, 1988.10.1007/978-3-642-73683-4Suche in Google Scholar

Stamm, A.J. (1956) Thermal degradation of wood and cellulose. Ind. Eng. Chem. 48, 413–417.10.1021/ie51398a022Suche in Google Scholar

Stamm, A.J., Hansen, L.A. (1937) Minimizing wood shrinkage and swelling effect of heating in various gases. Ind. Eng. Chem. 29, 831–833.10.1021/ie50331a021Suche in Google Scholar

Tjeerdsma, B.F., Boonstra, M., Pizzi, A., Tekely, P., Militz, H. (1998) Characterisation of thermally modified wood: Molecular reasons for wood performance improvement. Holz Roh. Werkst. 56, 149–153.10.1007/s001070050287Suche in Google Scholar

Vrentas, J.S., Vrentas, C.M. (1991) Sorption in glassy polymers. Macromolecules 24, 2404–2412.10.1021/ma00009a043Suche in Google Scholar

Wangaard, F., Granados, L. (1967) The effect of extractives on water-vapor sorption by wood. Wood Sci. Technol. 1, 253–277.10.1007/BF00349758Suche in Google Scholar

Welzbacher, C., Brischke, C., Rapp, A. (2007) Influence of treatment temperature and duration on selected biological, mechanical, physical and optical properties of thermally modified timber. Wood Mater. Sci. Eng. 2, 66–76.10.1080/17480270701770606Suche in Google Scholar

Willems, W. (2009) A novel economic large-scale production technology for high-quality thermally modified wood. Proceedings of the 4^th European Conference on Wood Modification, Stockholm, Sweden, pp. 31–35.Suche in Google Scholar

Willems, W., Altgen, M., Militz, H. (2015) Comparison of EMC and durability of heat treated wood from high versus low water vapour pressure reactor systems. International Wood Products Journal 6, 21–26.10.1179/2042645314Y.0000000083Suche in Google Scholar

Winandy, J.E., Lebow, P.K. (2001) Modeling strength loss in wood by chemical composition. Part I: An individual component model for Southern pine. Wood Fiber Sci. 33, 239–254.Suche in Google Scholar

Xie, Y., Hill, C.A.S., Sun, D.Y., Jalaludin, Z., Wang, Q. (2012) Effects of extractives on the dynamic water swelling behaviour and fungal resistance of Malaysian hardwood. J. Trop. For. Sci. 24, 231–240.Suche in Google Scholar

Zaman, A., Alén, R., Kotilainen, R. (2000) Thermal behavior of Scots Pine (Pinus sylvestris) and Silver Birch (Betula pendula) at 200–230°C. Wood Fiber Sci. 32, 138–143.Suche in Google Scholar