Sheet-formed fibrous material with improved strength property
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United States of America Patent
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Oct 29, 2013
Grant Date -
May 19, 2011
app pub date -
Apr 2, 2009
filing date -
Apr 3, 2008
priority date (Note) -
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Abstract
A method of improving a strength property of a sheet-formed fibrous material formed from an aqueous slurry of cellulose fiber, including coating at least one face of the material with a coating formulation including a polysaccharide containing at least two carboxylic groups and low molecular weight organic mono-, di- or poly-carboxylic acid in an aqueous carrier, keeping the coated face at a temperature of 50° C. or more for a time sufficient to obtain the desired improvement including drying of the material.
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