Properties of Blue-Stain Masson Pine after Compression and Thermal Modification

Abstract

In this paper, in order to eliminate the adverse effects of blue-stain on the wood surface appearance and improve wood mechanical properties, wood compression process and wood thermal treatment process were applied into the physical modification of blue-stain Masson Pine (Pinus massoniana). The test results showed that when the specimens are hot-pressed with the compression rate of 50%, and then were heat-treated at 220°C for 2h, the wood surface color and dimension stability could be improved significantly. Moreover, the surface hardness and the compression strength of the compressed-thermal treated wood could be increased significantly compared to the untreated blue-stain wood. Based on this study, the biological properties of the specimens after compression and thermal treatments will be investigated in the future.

Evaluation of color changes, wettability, and moisture sorption of heat-treated blue-stained radiata pine lumber

“…Hernandez et al (2016) impregnated blue-stained pine wood using fungal pigments from spalting fungi and found that the fungal pigments were suitable for attenuating the appearance of the blue stain on the wood surface. Yu et al (2010) reported that the combination of compression and heat PEER-REVIEWED ARTICLE bioresources.com treatment can eliminate the adverse effects of blue-stain on the surface of Masson pine wood.…”