Paper coating composition with increased thickener efficiency

Details Paper coating composition with increased thickener efficiency Paper coating composition with increased thickener efficiency

D - Textiles, Paper

21

H

D21H 19/40 (2006.01) D21H 19/50 (2006.01) D21H 19/52 (2006.01) D21H 19/60 (2006.01) D21H 19/62 (2006.01)

Patent

CA 2134629

ABSTRACT OF THE INVENTION PAPER COATING COMPOSITION WITH INCREASED THICKENER EFFICIENCY 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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