Method for the modification of wood

The invention is directed to a process for the continuous acetylation of wood elements. The process particularly combines a batchwise impregnation step, with a continuous reaction step. In order to realize this, a collection step is built-in, so as to allow batches of impregnated wood elements to be...

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Main Authors POL, BERNARDUS JOZEF MARIA, BUSSEMAKER, PAUL, PAINTER, BENJAMIN, KAPPEN, THEODORUS GERARDUS MARINUS MARIA, VAN DOMMELE, STEFAN, DE WIT, GERRIT ARIE
Format Patent
LanguageEnglish
Published 02.06.2016
Subjects
BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
DRYING
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
HEATING
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
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Summary:The invention is directed to a process for the continuous acetylation of wood elements. The process particularly combines a batchwise impregnation step, with a continuous reaction step. In order to realize this, a collection step is built-in, so as to allow batches of impregnated wood elements to be fed into a reactor in a continuous manner. Very high acetylation contents can be obtained, at a level that had not been achievable before in a continuous and non-catalyzed acetylation process.
Bibliography:Application Number: AU20130237359