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Termite resistance of wood–plastic composites treated with zinc borate and borax | |
RICARDO HERBE CRUZ ESTRADA | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
It has been reported that pinewood residue/recycled high density polyethylene composites with 40 wt% of wood were attacked by termites native to the Yucatan Peninsula (Nasutitermes nigriceps). Thus, this article gives account of how effective environmentally friendly borates are (i.e. borax and zinc borate) to protect this kind of composites. Before biotic exposure, composites’ samples were subjected to 1000 and 2000 h of accelerated weathering, using a ultraviolet-type accelerated tester equipped with UVA-340 fluorescent lamps and respectively impregnated with 1, 2, and 3% aqueous solutions of both borates, following the ASTM D 1413 standard test method as reference. A reduction in the treated samples’ weight loss was observed, which indicated that they increasedtheir resistance to termite attack. No weight losses occurred when the solutions with 3% of both borates were respectively used. Additionally, scanning electron microscopy revealed that these solutions did not damage the composites’ surface. The results show that both borates experimented with have the potential to be used as termiticides for wood–plastic composites without damaging the environment. | |
19-12-2014 | |
Artículo | |
INGENIERÍA Y TECNOLOGÍA | |
Aparece en las colecciones: | Artículos de Investigación Arbitrados |
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