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Optimising properties of citric acid-sorbitol bonded particleboards with added ammonium dihydrogen phosphate as fire retardant
2025 - IRG/WP 25-41033
Due to the adverse health effects of formaldehyde-based adhesives and their fossil origin, there is an ongoing search for appropriate bio-based adhesives for particleboards. Although there are some possible solutions, their use in construction is limited partly due to their low moisture resistance and flammability. The latter can be improved by adding various fire retardants. A particleboard with ...
L Kopač, S Medved, B Lesar, M Humar
Investigation of the Correlation between Blue-Light and Transparent Wood and Its Impact on Eye cells
2025 - IRG/WP 25-41042
The widespread use of LED blue light (400–480 nm) in modern life has raised concerns due to its potential risks to eye health, including retinal cell damage and vision degradation. Transparent wood, a renewable material with unique optical properties and environmental benefits, shows promising potential for blue light protection applications. This study investigates the modulation of lignin cont...
J-Y Jiang, C W Lin, P-Y Kuo
Preliminary assessment of imidazole as an adhesion system for particleboards
2025 - IRG/WP 25-41043
Particleboards with different combinations of adhesive mixtures containing imidazole, citric acid, and sorbitol were produced. Softwood sawdust from a Swedish sawmill was mixed with an aqueous solution of the chemicals and then dried to 0% moisture content prior to pressing. The boards were pressed to a target density of 700 kg m−3 at either 200 °C or 220 °C for 10 min. The hygroscopic and mec...
A Scharf, H Dernagård, J Oja, G Ormondroyd, S Medved, D Jones