Preservative compositions for wood and like materials

Details Preservative compositions for wood and like materials Preservative compositions for wood and like materials

B - Operations, Transporting

27

K

B27K 3/52 (2006.01)

Patent

CA 2676011

Disclosed are compositions and processes for the preservation of porous materials, particularly porous fibrous material, such as wood, wood composites, other processed wood materials, paper, board, card, textiles, rope, cordage and leather Also for horticultural and agricultural application to plants or growing media prevent the growth and spread of fungal and other disease The compositions contain salts of one or more preservative metals and carboxylic acids having one or a plurality of hydroxyl groups rendered soluble by means of complex formation with boric acid or a water soluble salt thereof Application of the compositions of this invention to the porous organic material may be by any means used with conventional preservative solutions, for example soaking, spraying, brushing and vacuum or pressure application or other contact of the solution with the material to be treated.

L'invention porte sur des agents de protection et sur leurs procédés de préparation. Les agents de protection sont destinés à la protection de plantes, de milieux de croissance et de matériaux poreux, tels que les produits du bois. Les agents de protection contiennent des complexes composés de sels métalliques protecteurs, d'acides carboxyliques sélectionnés incluant au moins un groupe fonctionnel hydroxyle, et d'acide borique ou d'un sel hydrosoluble de celui-ci. L'application des agents de protection peut être effectuée par n'importe quel moyen utilisé avec des solutions de protection classiques, par exemple, par trempage, pulvérisation, brossage et application de vide ou de pression, ou autre contact avec le substrat à traiter.

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