Paper coating composition with increased thickener efficiency
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Oct 29, 1993
filing date -
Oct 29, 1993
priority date (Note) -
Expired
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Abstract
A paper coating composition is provided having a clay-containing pigment system, a binder, a polysaccharide thickener, and at least 0.005% to 2%, based upon the weight of the polymer, of a blocking agent that serves to prevent more than 25% of the polysaccharide thickener from being adsorbed onto the clay pigment surface. This coating is applied to raw paper for producing a high quality paper with smooth and substantially free of indentations surfaces for good ink to paper transfer.
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