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US 10,300,623 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 method for preparing a treated cellulosic material comprising: providing a cellulosic material; a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising an olefin-carboxylic acid copolymer neutralized at least in part by ammonia or an amine; and a second treatment protocol comprising heating the cellulosic material, wherein at least a portion of the ammonia or the amine is liberated from the cellulosic material.
Claims11
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 an aqueous dispersion comprising a polymer, the polymer comprising an olefin-carboxylic acid copolymer neutralized at least in part by a neutralizing agent comprising ammonia or an amine;
- and
- (c) a second treatment protocol comprising heating the cellulosic material, wherein at least a portion of the ammonia or the amine is liberated from the cellulosic material, and wherein the temperature of the second treatment protocol is 40-180° C.
1 more element
Dependencies are inferred from the claim text.