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Title: Low-density cardoon (Cynara cardunculus L.) particleboards bound with potato starch-based adhesive
Authors: Monteiro, S.
Lina Nunes
Martins, J.
Magalhães, F.
Carvalho, L.
Keywords: Low-density particleboards;Starch-based adhesive;Cardoon;Physico-mechanical properties
Issue Date: 11-Aug-2020
Publisher: MDPI Initiatives
Abstract: In the present work, and for the first time, totally biosourced low-density particleboards were produced using cardoon particles (a no added value by-product from the Portuguese cheese making industry), bound with a potato starch adhesive. Different starch/cardoon ratios (0.6, 0.8, 1 and 1.2) were tested and the effect of different bio-based additives (chitosan, wood fiber and glycerol) on the performance of the adhesive system was evaluated. The best result was obtained for a formulation with a starch/cardoon mass ratio of 0.8, a chitosan/starch mass ratio of 0.05 and a water/starch mass ratio of 1.75. The particleboards produced had a density of 323 kg-m-3, internal bond strength of 0.35 and thickness swelling of 15.2%. The values of density and internal bond strength meet the standard requirements of general-purpose lightweight boards for use in dry conditions according to CEN/TS 16368 specification. Moreover, the susceptibility of the formulations with best results was established against subterranean termites and one decay fungi.
Appears in Collections:DE/NCE - Comunicações a congressos e artigos de revista

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