Bonded paper pigments

Details Bonded paper pigments Bonded paper pigments

D - Textiles, Paper

21

H

9/59, 400/9321

D21H 17/37 (2006.01) C08K 3/34 (2006.01) D21H 17/68 (2006.01)

Patent

CA 2020207

This invention pertains to novel bonded pigments used in paper products. A novel composition useful in removing undesirable pitch from the papermaking process and papermaking equipment and fixing the pitch into the paper, whilst simulta- neously improving the optical, physical and printability properties of newsprint and groundwood specialties comprising: (a) a precipitated sodium aluminosilicate having a primary particle size in the range of about 10 to 60 nanometers, and secondary agglomerations of about 1 to 50 microns; and (b) a high molecular weight cationic polyacrylamide polymer having a molecular weight of about 100,000 to about 50,000,000.

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