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Madera y bosques

versão On-line ISSN 2448-7597versão impressa ISSN 1405-0471


GONZALEZ-LAREDO, Rubén Francisco et al. Wood preservation using natural products. Madera bosques [online]. 2015, vol.21, n.spe, pp.63-76. ISSN 2448-7597.

It is a current concern in the wood preservation field to avoid the use of toxic chemicals and develop new technologies based on low environmental impact agents and sustainable principles. Under this expectation, an intended state-of-the-art is introduced on the application of natural products such as traditional tar and wood oils as well as tannins and plant extracts. A particular revision to heartwood chemical components is offered. The combined methods of using natural and chemical components are reviewed, considering as outstanding the mixtures of natural organic constituents with cooper and boron salts that seem to be under encouraging experimentation. Fungicides and anti-termite applications are commented as well the leaching problem of inorganic salts. Chemical modification of wood structure through the formation of adducts and the treatment with nanomaterials are promising tools that will change the actual view and performance of wood preservation techniques.

Palavras-chave : bark; biocides; extract; fungicide; oil; phenolics; tannins; termites.

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