Resistance of selected wood-based materials glued with nano-SiO2/UF resin to A. niger infestation
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2017, Vol 97, Issue
Abstract
Resistance of selected wood-based materials glued with nano-SiO2/UF resin to A. niger infestation The aim of the study was to investigate the resistance of particleboards and plywood glued with nano-SiO2 urea-formaldehyde resin (UF) to Aspergillus niger. Mycological tests were performed as described in EN-ISO 846 standard by visual inspection of the fungus presence on the surface of the boards after 5, 10, 14, and 21 days of incubation. The study demonstrated that particleboard was more resistant to A. niger attack than plywood. The most resistant were the samples of particleboard glued with nano-SiO2/UF at the ratio of 2 parts by weight (pbw) of nano-SiO2 per 100 parts by weight of the resin. Supplementation of the resin with nano-SiO2 significantly reduced and slowed the development of fungal spores on the board surface. The plywood samples lacked any resistance to the fungus, irrespective of the filling (starch or nano-SiO2) used for gluing the sheets of veneer.
Authors and Affiliations
Dorota Dukarska, Grzegorz Cofta, Julia Krzykowska
Keywords
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