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1 Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

1 2014

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An attempt to use postconsumer MDF as a raw material for the manufacture of particleboards

Borysiuk P., Byczek M., Jenczyk-Tołłoczko I., Boruszewski P., Monder S.

Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

2014

No. 87

7--11

An attempt to use postconsumer MDF as a raw material for the manufacture of particleboards. The aim of the study was to determine the influence of addition of mechanically grinded postconsumer MDF to the inner layer of particleboards on its properties. Three-layer particleboards with a predetermined density of 650 kg/m3 and a thickness of 16 mm and a weight fraction of MDF particles of 10, 20, 30 and 50 % to the inner layer were prepared. Manufactured boards were tested for the density and density distribution, MOR, MOE, IB, swelling and water absorption after 2 and 24 hours soaking in water. It was observed, that the addition of grinded postconsumer MDF to the inner layer of particleboards (in amount of 10 – 50 %) generally does not have negative effect on their mechanical properties and has a positive influence on the reduction of swelling and water absorption, especially when exposed to water for 24 h.