On sorption hysteresis in wood: Separating hysteresis in cell wall water and capillary water in the full moisture range.

ABSTRACT: Moisture influences most physical wood properties and plays an important role in degradation processes. Like most other porous materials, wood exhibits sorption hysteresis. That is, the moisture content is higher if equilibrium is reached by desorption than if it is reached by absorption under the same ambient climate conditions. The mechanism of moisture uptake by wood are different in the hygroscopic and over-hygroscopic moisture ranges and due to methodical issues, most studies of sorption hysteresis have been performed in the hygroscopic range. In the present study, total sorption hysteresis was separated into hysteresis in cell wall water and capillary water respectively in the whole moisture range by a novel combination of experimental techniques. Wood specimens were conditioned to s

SUBMITTER: Fredriksson M 

PROVIDER: S-EPMC6857914 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature