Abstract
Four types of industrial waste from wood processing, namely a mixed hardwood-softwood powder, pine and beech sawdust, and bark were liquefied and tested as binders for particleboards (PB) made of recycled wood. The liquefaction reaction was carried out at elevated temperature with a mixture of solvents from polyhydroxyl alcohols such as glycerine and propylene glycol, and p-toluenesulfonic acid as a catalyst. Then the liquefied woods (LWs) were characterized in terms of their suitability for PB production as a partial substitute for synthetic urea-formaldehyde (UF) resin. The standard properties of PBs such as tensile strength, bending strength and modulus of elasticity, density, moisture content, swelling after 24 h, water absorption, and formaldehyde content were measured. All tests were performed in comparison to a standard PB bonded by UF resin. It was demonstrated that the substitution of UF resin up to 20% of LW did not have a significant effect on the mechanical properties. PB made of recycled wood produced with LW possessed good mechanical properties that meet the European standard quality demands for PBs.
Acknowledgments
This research was carried out within the statutory project ST-2-BMD/2015, financed by the Polish Ministry of Science and Higher Education and partially within ReGaP project “Recycling of used Wood in Germany and Poland” financed within the framework of Polish-German cooperation for sustainable development by the Ministry of Science and Higher Education and the German Federal Ministry of Education and Research. The authors would like to acknowledge the contribution of the COST Action FP1105.
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©2016 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- The COST action FP1105 – a research network to understand wood cell wall structure, biopolymer interaction and composition
- Selected Articles
- COST Action FP1105: effect of raw materials and pulping conditions on the characteristics of dissolved kraft lignins
- Topography effects in AFM force mapping experiments on xylan-decorated cellulose thin films
- COST-FP1105: Properties of PLA films reinforced with unmodified and acetylated freeze dried nanofibrillated cellulose
- Exploitation of liquefied wood waste for binding recycled wood particleboards
- Urea-formaldehyde (UF) resins prepared by means of the aqueous phase of the catalytic pyrolysis of European beech wood. COST Action FP1105
- Topochemical kinetic mechanism of cellulase hydrolysis on fast-growing tree species. COST Action FP1105
- Original Articles
- Contribution of lignin to the strength properties in wood fibres studied by dynamic FTIR spectroscopy and dynamic mechanical analysis (DMA)
- Combustion behavior of Scots pine (Pinus sylvestris L.) sapwood treated with a dispersion of aluminum oxychloride-modified silica
- Thermogravimetric analyses (TGA) of lignins isolated from the residue of corn stover bioethanol (CSB) production
- In situ detection of the fracture behaviour of moso bamboo (Phyllostachys pubescens) by scanning electron microscopy
- Dynamic moisture sorption and hygroexpansion of Populus euramericana Cv. under two cyclic hygrothermal conditions
Artikel in diesem Heft
- Frontmatter
- Editorial
- The COST action FP1105 – a research network to understand wood cell wall structure, biopolymer interaction and composition
- Selected Articles
- COST Action FP1105: effect of raw materials and pulping conditions on the characteristics of dissolved kraft lignins
- Topography effects in AFM force mapping experiments on xylan-decorated cellulose thin films
- COST-FP1105: Properties of PLA films reinforced with unmodified and acetylated freeze dried nanofibrillated cellulose
- Exploitation of liquefied wood waste for binding recycled wood particleboards
- Urea-formaldehyde (UF) resins prepared by means of the aqueous phase of the catalytic pyrolysis of European beech wood. COST Action FP1105
- Topochemical kinetic mechanism of cellulase hydrolysis on fast-growing tree species. COST Action FP1105
- Original Articles
- Contribution of lignin to the strength properties in wood fibres studied by dynamic FTIR spectroscopy and dynamic mechanical analysis (DMA)
- Combustion behavior of Scots pine (Pinus sylvestris L.) sapwood treated with a dispersion of aluminum oxychloride-modified silica
- Thermogravimetric analyses (TGA) of lignins isolated from the residue of corn stover bioethanol (CSB) production
- In situ detection of the fracture behaviour of moso bamboo (Phyllostachys pubescens) by scanning electron microscopy
- Dynamic moisture sorption and hygroexpansion of Populus euramericana Cv. under two cyclic hygrothermal conditions