PROCESS FOR MODIFYING LIGNOCELLULOSE-CONTAINING PRODUCTS AND PRODUCING WOOD-BASE MATERIALS THEREFROM AND THUS OBTAINABLE LIGNOCELLULOSE-CONTAINING PRODUCTS

In a first aspect the present invention relates to a process for modifying lignocellulose-containing products including wood and wood-base materials where as a wood-modifier for impregnating the lignocellulose-containing products a low molecular weight phenol formaldehyde resin is employed which is...

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Bibliographische Detailangaben
Hauptverfasser:	BIZIKS, Vladimir, BICKE, Sascha, MILITZ, Holger, MAI, Carsten
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY NAILING OR STAPLING MACHINES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS 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 THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	In a first aspect the present invention relates to a process for modifying lignocellulose-containing products including wood and wood-base materials where as a wood-modifier for impregnating the lignocellulose-containing products a low molecular weight phenol formaldehyde resin is employed which is dissolved in a solvent and which has a number average molecular weight of 600 g/mol or less. In a further aspect the present invention is directed to a process for producing lignocellulose-containing products including wood or wood-base materials comprising the step of modifying according to the invention at least a portion of the lignocellulose-containing products according to the present invention and subsequently producing these products. In a preferred embodiment ply materials are produced from veneers. The present invention further relates to modified lignocellulose-containing products obtainable by a process according to the invention. Finally, the present application is directed to the use of low molecular weight phenol formaldehyde resins as wood modifiers in lignocellulose-containing products including wood and wood-base materials for improving color stability.