GASEOUS OR VAPOUR PHASE TREATMENT OF WOOD WITH BORON PRESERVATIVES

GASEOUS OR VAPOUR PHASE TREATMENT OF WOOD WITH BORON PRESERVATIVES

The invention comprises a process for the preservation of timber with a boron based compound, such as trimethyl borate. The timber is dried to a low moisture content, is then subjected to a vapour of the boron compound in a suitable treatment vessel, and after vapour treatment is steam conditioned t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BURTON, R J, VAIOLETI, T M, VINDEN, P
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS
NAILING OR STAPLING MACHINES IN GENERAL
PERFORMING OPERATIONS
PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
TRANSPORTING
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:The invention comprises a process for the preservation of timber with a boron based compound, such as trimethyl borate. The timber is dried to a low moisture content, is then subjected to a vapour of the boron compound in a suitable treatment vessel, and after vapour treatment is steam conditioned to return the moisture content of the timber to a normal working level. The vapour treatment is preferably carried out under heat and reduced pressure.