Innovative fibreboard from wet-preserved hemp
2013
Kirilovs, E., Riga Technical Univ. (Latvia) | Gusovius, H.-J., Leibniz Inst. for Agricultural Engineering Potsdam-Bornim, Potsdam (Germany) | Dolacis, J., Latvian State Inst. of Wood Chemistry, Riga (Latvia) | Kukle, S., Riga Technical Univ. (Latvia)
The growing popularity of wooden panels renders this market segment increasingly competitive. The article describes a new type of fibre boards e.g. the furniture production, developed in cooperation with ATB (Leibniz-Institute for Agricultural Engineering Potsdam-Bornim) by using a new method of raw material preparation and specific production technologies of ATB. The main raw material is preserved hemp (Cannabis sativa) stalks. The samples are made of raw materials with different wet-preservation time and varying types of binder. For the first time there is used main raw material with short time wet-preservation. Samples that are 8 mm thick correspond to a medium-density fibreboard and that are 16mm thick correspond to a low-density fibreboard, fitting in its mechanical properties to standard BS EN622. On ATB’s experimental processing line 1,200x800x8 mm and 1,200x800x16 mm size board samples are produced and the tests are performed to determine such parameters as bending strength, thickness swelling and thermal conductivity according to EU standard methods.
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