Densified radiata pine for structural composites
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Universidad del Bío Bío
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A novel wood-based composite has been developed for use in structural applications. The processwas designed to utilize rapidly-grown, low density, wood species. Plantation grown radiata pine isparticularly well suited to this process. This is a laminated composite, where the lamina may be comprisedof various materials, some of which have been treated with the viscoelastic thermal compression (VTC)process. The VTC process increases the density of wood, without causing fractures in the cell wall, thusincreasing strength and stiffness of the wood material. The process may be applied to veneer, sawnwood, or strand composites. The VTC lamina is then bonded to other lamina to produce the final product.The strength and stiffness of this VTC composite exceeds any wood-based composite that is currentlyon the market. For example, modulus of elasticity in bending of over 20 GPa is easily obtainable.
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