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European Journal of Wood and Wood Products

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01-05-2010 | Brief Originals Kurzoriginalia

Hygroscopicity of heat-treated Norway spruce (Picea abies) wood

Authors: Marc Borrega, Petri P. Kärenlampi

Published in: European Journal of Wood and Wood Products | Issue 2/2010

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Hygroscopicity of heat-treated spruce wood is investigated in relation to the mass loss that occurs during the thermal treatment. It is found that the reduction in hygroscopicity is not only due to mass loss, but another mechanism exists. It is hypothesized that this mechanism is related to irreversible hydrogen bonding in the course of water movements within the pore system of the cell walls. Regarding batch experiments with constant amount of water and wood, such hornification occurs during a wetting and drying cycle induced by heating to a predetermined steady-state temperature, provided an intermediate relative humidity prevails at the isothermal stage.

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Title: Hygroscopicity of heat-treated Norway spruce (Picea abies) wood
Authors: Marc Borrega
Petri P. Kärenlampi
Publication date: 01-05-2010
Publisher: Springer-Verlag
Published in: European Journal of Wood and Wood Products / Issue 2/2010
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-009-0371-8

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