Comparison of selected physical and mechanical properties of densified beech wood plasticized by ammonia and saturated steam

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F14%3A00223061" target="_blank" >RIV/62156489:43410/14:00223061 - isvavai.cz</a>
Result on the web
<a href="http://link.springer.com/article/10.1007%2Fs00107-014-0814-8" target="_blank" >http://link.springer.com/article/10.1007%2Fs00107-014-0814-8</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s00107-014-0814-8" target="_blank" >10.1007/s00107-014-0814-8</a>

Result language
angličtina
Original language name
Comparison of selected physical and mechanical properties of densified beech wood plasticized by ammonia and saturated steam
Original language description
Gaseous ammonia treatment in combination with densification of wood has been known for several decades, but these days there is no industrial production of materials modified in this way; also, little has been published in this area of wood science. In this study, selected physical and mechanical properties, i.e. density profile, bending strength, hardness and moisture absorption were investigated for Lignamon (1), which was obtained from the Czech industrial production. Selected properties were also investigated using steam-densified beech (2) and native beech (3) and compared with each other. Densitometry of Lignamon showed a large variability in the density profile compared to that of only densified beech. It is affected by the degree of densification, temperature and moisture gradients, and their relationship to the glass transition of the wood cell wall. Modulus of elasticity, hardness, moisture exclusion and anti-swelling efficiency of Lignamon are enhanced compared to densified
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JJ - Other materials
OECD FORD branch
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Project
<a href="/en/project/EE2.3.20.0269" target="_blank" >EE2.3.20.0269: The establishment of an international research team for the development of new wood-based materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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