Method for the modification of wood
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United States of America Patent
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Feb 7, 2023
Grant Date -
Feb 19, 2015
app pub date -
Mar 21, 2013
filing date -
Mar 21, 2012
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Abstract
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.
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