Method for treating a lignocellulosic material
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United States of America Patent
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Jan 1, 2002
Grant Date -
N/A
app pub date -
Dec 10, 1999
filing date -
Jun 12, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of manufacturing a finished product from a length of a lignocellulosic material, such as a length of solid wood or chip board, includes the steps of impregnating the length of lignocellulosic material through its depth with an impregnating composition comprising a mineral oil, a non-aqueous solvent for the material oil such as dichloromethane or super critical carbon dioxide, and a thermosetting resin and, if necessary, a catalyst therefore dissolved in the mineral oil and solvent. Thereafter, the non-aqueous solvent is removed and the product is subjected to an elevated temperature to polymerize the thermosetting resin to bind the mineral oil into the lignocellulosic material.
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