Article: Impact of biological incising to improve phenolic resin retention and hardness of various wood species.

Abstract

In this study, aspen, yellow birch, and sugar maple samples were treated with four different fungi for 2, 4, and 8 weeks, for biological incising to improve wood permeability. The four fungal species were Ophiostoma piceae (wood staining fungus), Gliocladium roseum (mold fungus), Trametes versicolor, and Irpex lacteus (white-rot fungi). The fungal bio-incised wood samples and control samples not exposed to fungi were then impregnated with a low molecular weight phenol-formaldehyde (PF) resin and cured in an oven to improve wood hardness. The treated wood samples were tested for hardness according to European Standard EN 1534. Generally, bio-incising ...

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