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US 10,695,944 B2Granted
Treated porous material
AssigneeDow Global Technologies LLC
InventorsStephen W. King, Xue Chen
Life of this patent
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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 comprising an olefin-carboxylic acid copolymer; and a modifying agent comprising an epoxy.
Claims9
A method for preparing a treated cellulosic material comprising:
- (a) providing a cellulosic material;
- (b) a first treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising an epoxy resin;
- and
- (c) a second treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising an olefin-carboxylic acid copolymer,
- the first treatment protocol and the second treatment protocol being performed simultaneously such that the epoxy resin and the aqueous dispersion are premixed to prepare a treating agent dispersion.
2 more elements
Dependencies are inferred from the claim text.