Influence of biocide pre-treatment of wood on performance of exterior coatings

Exterior coatings may not provide sufficient protection of wood against biodeterioration. In order to minimise the decay risk, wood can be impregnated with biocides before finishing. However, pre-treatment of wood may have an effect on some important properties of surface coatings. The authors impre...

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Bibliographic Details
Published in:Surface coatings international. Part B, Coatings transactions Coatings transactions, 2005-03, Vol.88 (1), p.41-48
Main Authors: PAVLIC, M, KRICEJ, B, TOMAZIC, M, PETRIC, M
Format: Article
Language:English
Subjects:
Applied sciences
Coatings. Paints, varnishes and inks
Degradation and preservation
Exact sciences and technology
Film formation and curing, properties, testing
Polymer industry, paints, wood
Wood
Wood. Paper. Non wovens
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Summary:Exterior coatings may not provide sufficient protection of wood against biodeterioration. In order to minimise the decay risk, wood can be impregnated with biocides before finishing. However, pre-treatment of wood may have an effect on some important properties of surface coatings. The authors impregnated spruce wood specimens with a new preservative formulation, containing the ester of boric acid with an alkanolamine. The aim of this research was to establish a possible influence of this biocide on the performance of acrylic and alkyd stains on pre-treated wood. They studied the drying characteristics, stackability, adhesion, and permeability of the coatings. A boron-based preservative in a treated spruce wood had a pronounced influence on the drying of coatings and on the permeability of the acrylic stain. However, the influence on adhesion of the coatings was only indicated.
ISSN:1476-4865
DOI:10.1007/BF02699706