Method for pressure treating boards
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United States of America Patent
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Mar 4, 2003
Grant Date -
Sep 20, 2001
app pub date -
Feb 28, 2001
filing date -
Oct 30, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for treating wood products is provided wherein wood products are treated in an aqueous solution of a silicate, a rheology modifier, a wetting agent and, optionally, borax and/or a bacteriocide or fungicide; the aqueous solution having a pH of at least 9.0, preferably, a pH of 10-14, and most preferably, 13.0. A suitable dye can be added to the aqueous solution to color the wood product. The present invention is also directed to an aqueous solution for pressure treating wood and a wood product prepared according to the method of the present invention.
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