TY - CONF

T1 - Effects of Methyl Methacrylate impregnation on physical properties of timber

AU - Curling, Simon

AU - Spear, Morwenna

AU - Ormondroyd, Graham

AU - Gibson, Robin

N1 - Conference code: 3rd

PY - 2017/9/13

Y1 - 2017/9/13

N2 - The methacrylation of wood was investigated as a method of modifying timber in order to improve its mechanical properties. Samples of pine and spruce wood were impregnated under vacuum with methyl methacrylate monomer using azodiisobutyronitrile as an initiator. Samples cured at moderately elevated temperature (70°C) were conditioned and tested for a number of physical characteristics. Weight percent gains (WPG) of over 80% were observed with pine and over 70% with spruce. In spruce wood in particular, the WPG achieved was dependent on the presence of juvenile or mature wood in the samples. In Three-point bending tests methacrylation significantly increased the modulus of rupture (Fig 1) and modulus of elasticity (Fig 2) values compared to untreated control samples. Compression strength and Janka hardness values were also significantly increased by methacrylate impregnation in both spruce and pine, although the effect was more pronounced in the pine samples

AB - The methacrylation of wood was investigated as a method of modifying timber in order to improve its mechanical properties. Samples of pine and spruce wood were impregnated under vacuum with methyl methacrylate monomer using azodiisobutyronitrile as an initiator. Samples cured at moderately elevated temperature (70°C) were conditioned and tested for a number of physical characteristics. Weight percent gains (WPG) of over 80% were observed with pine and over 70% with spruce. In spruce wood in particular, the WPG achieved was dependent on the presence of juvenile or mature wood in the samples. In Three-point bending tests methacrylation significantly increased the modulus of rupture (Fig 1) and modulus of elasticity (Fig 2) values compared to untreated control samples. Compression strength and Janka hardness values were also significantly increased by methacrylate impregnation in both spruce and pine, although the effect was more pronounced in the pine samples

KW - wood modification

M3 - Paper

SP - 22

EP - 24

T2 - COST Action FP 1407 Conference

Y2 - 14 September 2017 through 15 September 2017

ER -