Method for increasing the water resistance of a porous material, compositions therefor and porous materials treated according to the method
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United States of America Patent
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Apr 12, 2016
Grant Date -
Sep 20, 2012
app pub date -
Oct 15, 2010
filing date -
Dec 3, 2009
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Abstract
The present invention relates to a method for increasing the water resistance of a porous material, in particular wood, in which method a block-polymer comprising at least one hydrophobic block and at least one hydrophilic block, is dissolved in a fluid and applied to the material under supercritical conditions.
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