Treated porous material
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United States of America Patent
Stats
-
Jun 22, 2021
Grant Date -
Sep 24, 2020
app pub date -
Oct 26, 2016
filing date -
Oct 27, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure describes a treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer, the polymer comprising a polyurethane polymer. The present disclosure further describes a method for preparing a treated cellulosic material comprising providing a cellulosic material; and a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising a polyurethane polymer; and a second treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising a hydrophobic amine.
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