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

被引：0
|
作者：
Marc Borrega
Petri P. Kärenlampi
机构：
[1] University of Joensuu,Faculty of Forest Sciences
来源：
European Journal of Wood and Wood Products | 2010年 / 68卷
关键词：
Mass Loss; Hemicellulose; Equilibrium Moisture Content; Pulp Fibre; Wood Cell Wall;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：233 / 235
页数：2
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