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Decay resistance of acetylated and hexanoylated hardwood and softwood species exposed to Coniophora puteana

Hill, C. A. S.; Curling, S.F.; Kwon, J.H.; Marty, V.

Authors

C. A. S. Hill

S.F. Curling

J.H. Kwon

V. Marty



Abstract

The effect of chemical modification with acetic or hexanoic anhydride upon the decay resistance of wood was studied. Both sapwoods and heartwoods of the following trees were investigated: Japanese larch, Larix kaempferi (Lamb.) Carrière; Korean pine, Pinus koraiensis Siebold et Zucc. as softwoods and European beech (only sapwood), Fagus sylvatica L.; oriental white oak, Quercus aliena Blume) as hardwoods. After chemical modification, the samples were exposed to the brown rot fungus Coniophora puteana (FPRL 11E). The study focussed on whether weight percentage gain or degree of hydroxyl substitution were the main factors controlling decay resistance. It was found that decay resistance is associated primarily with cell wall bulking rather than hydroxyl substitution. However, there are nonetheless differences in behaviour between the acetylated and hexanoylated wood and the possible reasons for these differences are discussed.

Journal Article Type Article
Publication Date Jan 1, 2009
Deposit Date Dec 3, 2009
Publicly Available Date Dec 3, 2009
Journal Holzforschung
Print ISSN 0018-3830
Publisher De Gruyter
Peer Reviewed Peer Reviewed
Volume 63
Issue 5
Pages 619-625
DOI https://doi.org/10.1515/hf.2009.124
Keywords Biomaterials
Public URL http://researchrepository.napier.ac.uk/id/eprint/3583
Publisher URL http://dx.doi.org/10.1515/HF.2009.124
Contract Date Dec 3, 2009

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