TREATED POROUS MATERIAL
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United States of America Patent
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Mar 14, 2019
app pub date -
Oct 26, 2016
filing date -
Oct 26, 2016
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Abstract
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 comprising a sulfopolyester polymer. The present disclosure further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; and (b) a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising a sulfopolyester polymer.
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