Use of an aqueous suspension and/or dispersion of mineral materials containing a hydrophobic group water-soluble copolymer for making a paper sheet
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United States of America Patent
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Jul 17, 2012
Grant Date -
Feb 18, 2010
app pub date -
Oct 3, 2007
filing date -
Oct 12, 2006
priority date (Note) -
Expired
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Abstract
The invention consists in the use, in a method for manufacturing a sheet of paper, of an aqueous suspension and/or dispersion of mineral materials as an agent for slowing the penetration of the paper coating into said sheet, characterized in that said suspension and/or dispersion contains at least one water-soluble copolymer made up of at least one ethylenically-unsaturated anionic monomer, and at least one ethylenically-unsaturated oxylalkylated monomer terminated by a hydrophobic chain.
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