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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

Authors
  • Rautkari, Lauri
  • Hill, Callum A.S.
Type
Published Article
Journal
Holzforschung
Publisher
De Gruyter
Publication Date
Sep 07, 2013
Volume
68
Issue
3
Pages
323–326
Identifiers
DOI: 10.1515/hf-2013-0078
Source
De Gruyter
Keywords
License
Yellow

Abstract

The effects of initial moisture content (MC) on anti-swelling efficiency (ASE), mass loss (ML), and equilibrium MC (EMC) at 65% relative humidity of thermally modified Scots pine sapwood under saturated steam (TMSA) has been investigated. ML during the TMSA process was higher with the specimens containing moisture before modification compared with initially dry specimens. Surprisingly, the EMC of the modified specimens with initial moisture was higher than that observed with the modified wood that was initially dry before the modification process. Higher initial MC before thermal modification results in a lower ASE.

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