Possibility of using the expanded polystyrene and rape straw to the manufacture of lightweight particleboards

Abstract

The study investigated the possibility of using rape straw and expanded polystyrene for the production of low density particleboards. Particleboards with the core layer made of wood chips or rape straw, partly substituted with polystyrene (7%), were manufactured within the density range of 500 -650 kg/ m 3 , and resinated with MUF resin. Our study confirmed that wood chip-expanded polystyrene (WP) and wood chip-rape straw-expanded polystyrene boards (WRP), of density reduced to 600 kg/m 3 , met the mechanical requirements of the subject standard for boards intended for interior design (including furniture) and used in dry conditions. However, further density reduction required an increased resination of the core layer.

The Possibility to Use Long Fibres from Fast Growing Hemp (Cannabis sativa L.) for the Production of Boards for the Building and Furniture Industry

“…Table 3 shows the relatively high swelling and soaking susceptibility of the boards. Although no substance was applied to improve the hydrophobicity of the boards, the values observed were much greater than the values noted in laboratory tests on chipboards or OSB boards Dziurka et al 2015). The swelling of boards A_3 and B_5 did not exhibit statistically significant differences, and these values were lower than the swelling of the other boards.…”

The effect of some technological production variables on mechanical and physical properties of particleboard manufactured from cotton (Gossypium hirsutum) stalks

“…This can be due to the higher contact area between particles and decrease in the empty spaces between them (Zheng 2006). In addition, decrease in porosity that is the main factor of water absorption improves the resin's performance (Dziurka et al 2015). When temperature increases, hemicellulose chains are destroyed, and when OHgroups are destroyed, fibers, and hence the boards, are less hydrophilic.…”

Kraft scrap paper pulp as a substitute of wood chips in manufacture of particleboards resinated with hybrid pf/pmdi resin

“…Requirements of sustainable wood management make it necessary to search for alternative raw materials for manufacture of particleboards. Some of the well-established alternatives include annual crop residue as a substitute of wood chips in particleboard production (Boquillon et al 2004, Czarnecki and Dukarska 2010, Azizi et al 2011, Dukarska et al 2011, Dukarska et al 2012, Park et al 2012, Dziurka et al 2015, de Melo et al 2015, Kord et al 2016. Utilization of annual crop residue brings obvious benefits, such as reduced wood consumption having a positive effect on board prices, as well as management of plant-origin waste.…”