METHOD FOR PREPARATION OF DENSIFIED WOOD ARTICLE
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United States of America Patent
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Issued Date -
Nov 17, 2022
app pub date -
Oct 22, 2020
filing date -
Oct 22, 2019
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Abstract
The invention relates to a method for preparing a densified wood article comprising vacuum impregnating a porous low-density type of wood with a specified aqueous phenolformaldehyde resin composition and pressing. The invention also relates to a densified wood article obtainable by the process having a low set-recovery. The invention further relates to the use of an aqueous phenol-formaldehyde resin composition for impregnation of wood for impregnating wood in a process for the manufacture of densified wood articles and to the use densified wood articles in high value-added applications like flooring or furniture and for machine tooling applications.
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