Method of minimizing untoward effect of contaminants, such...

Details Method of minimizing untoward effect of contaminants, such... Method of minimizing untoward effect of contaminants, such...

D - Textiles, Paper

21

H

9/69

D21H 23/00 (2006.01) D21H 21/02 (2006.01)

Patent

CA 1276756

METHOD OF MINIMIZING UNTOWARD EFFECT OF CONTAMINANTS, SUCH AS PITCH, IN THE PAPERMAKING OPERATION ABSTRACT OF THE DISCLOSURE Disclosed is a method of minimizing the untoward effect of contaminants, such as pitch and related materials, in the papermaking operation. An aqueous dispersion of water-dis- persible synthetic pulp, such as polypoyolefin pulp, is added to a pulp slurry comprised of cellulosic pulp, at a point prior to sheet formation. The synthetic pulp adsorbs a sub- stantial amount of the pitch present in the pulp slurry and prevents it from depositing on the papermaking apparatus.

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