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Reed canary grass as light-weight core in particleboards
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology. (Virkeslära)
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology. (Virkeslära)
2013 (English)In: Pro Ligno, ISSN 1841-4737, E-ISSN 2069-7430, Vol. 9, no 4, 469-476 p.Article in journal (Refereed) Published
Abstract [en]

 Particle boards are an important material for furniture production. In this sector, two tasks have had priority during recent years: to reduce the weight of the panels and to reduce the formaldehyde emission. As the production methods have been more or less the same for decades, these tasks have to be tackled by reducing or replacing the raw material in the board production.

 

In this study, the possibility of replacing wood with reed canary grass (Phalaris arundinacea L.) to obtain a light-weight particle board has been studied. The boards studied were three-layered with a core of wood/reed canary grass particles and a surface of 100 % wood particles. A protein-based adhesive was tested as an alternative to a UMF adhesive to reduce the formaldehyde emission. Different combinations of densities between 250 and 450 kg/m3 were included in the study and no additional treatments were made to the raw materials.

 

The results showed poor mechanical and swelling properties of all the tested boards regardless of the design. The main explanation of the poor properties is the poor wetting of the reed canary grass surface by the adhesives. A pre-treatment of the reed canary grass particles with steam, lipase enzyme or alkali is suggested to increase the wettability.

Place, publisher, year, edition, pages
Brasov: Publishing House of Transilvania University of Brasov , 2013. Vol. 9, no 4, 469-476 p.
Keyword [en]
light-weight panel, non-lignified plants, protein adhesive, three-layer chipboard, urea formaldehyde
National Category
Wood Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-30350OAI: oai:DiVA.org:lnu-30350DiVA: diva2:663485
Available from: 2013-11-11 Created: 2013-11-11 Last updated: 2017-12-06Bibliographically approved
In thesis
1. Strategic raw material supply for the particleboard-producing industry in Europe: Problems and challenges
Open this publication in new window or tab >>Strategic raw material supply for the particleboard-producing industry in Europe: Problems and challenges
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Particleboard was invented to increase the utilization of wood and it soon became an important core material for furniture production. Nowadays, other industries such as the pulp and papermaking industry and the thermal energy recovery industry claim the same type of raw material. This leads to increasing competition and higher prices than in the past when that kind of wood raw material was widely available and of low price. The particleboard-producing industry is therefore seeking opportunities to reduce the competition and ensure the future supply of lignocellulosic raw material for their products.

The purpose of the work summarised in this thesis was to investigate the strategic supply of lignocellulosic raw materials for particleboard production and to evaluate alternatives for the supply of lignocellulosic raw material for particleboard production.

To encompass the complex field of strategic raw material supply, several publications have considered different stages along the supply chain. These papers range from empirical studies to practical tests on a laboratory scale. In this thesis, some of the papers are linked together, building the base for the overall results.

The results show that the task of increasing the supply of lignocellulosic raw material as primary raw material source is limited by several factors, but that improved product design coupled with a suitable recycling concept can greatly increase the availability of lignocellulosic raw material as a secondary source. Alternatively, the use of non-wood plants might be an opportunity to substitute wood as raw material but there are still some problems relating to the particle properties which must be overcome first.

Place, publisher, year, edition, pages
Växjö: Linnaeus University Press, 2016. 68 p.
Series
Linnaeus University Dissertations, 254/2016
Keyword
Biomass production, Lignocellulosic raw material, Non-wood plants, Particleboard, Pulp and paper, Recycling, Thermal energy recovery, Wood plants
National Category
Wood Science Bioenergy
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
urn:nbn:se:lnu:diva-53700 (URN)978-91-88357-21-2 (ISBN)
Public defence
2016-06-08, Fullriggaren, Sjöfartshögskolan, Kalmar, 09:00 (English)
Opponent
Supervisors
Available from: 2016-08-18 Created: 2016-06-17 Last updated: 2016-11-24Bibliographically approved

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Trischler, JohannNilsson, JonazSandberg, Dick

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