Mechanical properties of wood from Pinus sylvestris L. treated with Light Organic Solvent Preservative and with waterbone Copper Azole

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Fecha de publicación
2013Cita recomendada
Villasante Plágaro, Antonio M.;
Laina, Ruben;
Rojas, J. A. M.;
Rojas, I. M.;
Vignote, Santiago;
.
(2013)
.
Mechanical properties of wood from Pinus sylvestris L. treated with Light Organic Solvent Preservative and with waterbone Copper Azole.
Forest Systems, 2013, vol. 22, núm. 3, p. 416-422.
https://doi.org/10.5424/fs/2013223-03857.
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Aim of study: To determine the effect on wood from Pinus sylvestris of treatment with preservatives on mechanical
properties and to establish the relation between the penetration and compression strenght.
Area of study: Spain.
Material and methods: 40 samples of defect-free wood from Pinus sylvestris L. were treated with Light Organic
Solvent Preservative (Vacsol Azure WR 2601) and 50 with waterborne Copper Azole (Tanalith E 3492). 40 control
samples were not treated (water or preservative). Mechanical resistance to static bending, modulus of elasticity and
compression strength parallel to the grain were compared with untreated wood. Regression analysis between the
penetration and compression strength parallel was done with the samples treated with waterborne preservative.
Main results: The results indicate that the treated wood (with either product) presents a statistically significant
increase in mechanical resistance in all three mechanical characteristics. The results obtained differ from earlier studies
carried out by other authors.
There was no correlation between parallel compression strength and the degree of impregnation of the wood with
waterborne Copper Azole. The most probable explanation for these results concerns changes in pressure during
treatment.
The use of untreated control samples instead of samples treated only with water is more likely to produce significant
results in the mechanical resistance studies.
Research highlights: Treated wood presents a statistically significant increase in MOE, modulus of rupture to static
bending and parallel compression strength.
There was no correlation between parallel compression strength and the degree of impregnation with waterborne
preservative.
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