| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hughes, Mark
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2022The impact of fibre processing on the mechanical properties of epoxy matrix composites and wood-based particleboard reinforced with hemp (Cannabis sativa L.) fibrecitations
- 2021Effect of single-fiber properties and fiber volume fraction on the mechanical properties of Ioncell fiber compositescitations
- 2021The fiber-matrix interface in Ioncell cellulose fiber composites and its implications for the mechanical performancecitations
- 2017Sensory and Emotional Perception of Wooden Surfaces through Fingertip Touchcitations
- 2017Influence of temperature of thermal treatment on surface densification of sprucecitations
- 2016Effect of log soaking and the temperature of peeling on the properties of Rotary-cut birch (Betula pendula Roth) veneer bonded with phenol-formaldehyde adhesivecitations
- 2015Chemical characteristics of squeezable sap of hydrothermally treated silver birch logs (Betula pendula)citations
- 2015The Effect of Hydrothermal Treatment on the Color Stability and Chemical Properties of Birch Veneer Surfacescitations
- 2015Chemical characteristics of squeezable sap of hydrothermally treated silver birch logs (Betula pendula):Effect of treatment time and the quality of the soaking water in pilot scale experimentcitations
- 2014Internal vapour pressure of plywood during hot pressing process (STSM funded by COST Action FP1006)
- 2011The effect of hydrothermal pre-treatment on the chemical characteristics of the xylem of silver birch
- 2010The combined effects of boron and oil heat treatment on beech and Scots pine wood properties. Part 1:Boron leaching, thermogravimetric analysis, and chemical compositioncitations
- 2010The combined effects of boron and oil heat treatment on the properties of beech and Scots pine wood. Part 2:Water absorption, compression strength, color changes, and decay resistancecitations
- 2004Towards compact optical waveguide devices for active infrared applications
Places of action
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article
The Effect of Hydrothermal Treatment on the Color Stability and Chemical Properties of Birch Veneer Surfaces
Abstract
The effects of hydrothermal pre-treatment on the color of silver birch veneer were determined. Spectrophotometric and chemical analyses of the veneer by means of extraction were conducted to determine the detailed chemical characteristics of the veneers. Results from spectrophotometric analysis revealed a significant increase in lightness (L*) and a decrease in yellowness (b*) in the veneer produced from a log soaked at 70 °C in short-term. Conversely, the effect of long-term storage resulted in a significant reduction in L* and an increase in b*. Chemical analyses of the veneer extract identified a moderate negative correlation between soluble proanthocyanidins content and treatment temperature. A higher amount of wood extractives, such as lipophilic extractives, free monosaccharides, and other organic substances, were obtained from wood material soaked at 70 °C than at 20 °C, which was most likely due to moderate chemical changes during treatment. Comparison of the results between dried veneers and wet veneers from the water extraction study revealed that the dried veneers had higher amounts of lipophilic matter and less water-soluble organic matter than the wet veneers. Other aspects of the loss of soluble proanthocyanidins in the birch veneer during plywood manufacturing are discussed.