ACETYLATED WOOD AND METHOD OF MAKING SAME

Disclosed is acetylated wood having a reduced hemicellulose content and an increased content of lignin and cellulose. The wood can be obtained by a process comprising subjecting the wood to an extraction step so as to provide extracted wood, and subjecting the extracted wood to contact with an acety...

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Bibliographic Details
Main Authors KAPPEN, Theodorus Gerardus Marinus Maria, VAN DOMMELE, Stefan
Format Patent
LanguageEnglish
French
German
Published 31.05.2023
Subjects
CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
METALLURGY
NAILING OR STAPLING MACHINES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
SEPARATION
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Summary:Disclosed is acetylated wood having a reduced hemicellulose content and an increased content of lignin and cellulose. The wood can be obtained by a process comprising subjecting the wood to an extraction step so as to provide extracted wood, and subjecting the extracted wood to contact with an acetylation agent. The extraction step comprises contacting the wood with hot water as an extraction fluid.
Bibliography:Application Number: EP20180723414