Production of paper from a suspension with high electrolyte...

Details Production of paper from a suspension with high electrolyte... Production of paper from a suspension with high electrolyte...

D - Textiles, Paper

21

H

D21H 21/10 (2006.01) D21H 17/37 (2006.01) D21H 17/42 (2006.01) D21H 17/68 (2006.01) D21H 23/14 (2006.01)

Patent

CA 2166696

Paper is made by adding nonionic or anionic polymeric retention aid to a suspension that contains a high electrolyte content, shearing the flocculated suspension, aggregating the sheared suspension by adding anionic particulate material (especially bentonite), and draining the suspension.

Fabrication de papier par adjonction d'un auxiliaire de rétention polymère anionique ou non ionique, à une suspension à forte teneur en électrolyte, par cisaillement de la suspension floculée, par agrégation de la suspension cisaillée par adjonction d'un matériau particulaire anionique (en particulier de la bentonite) et enfin par drainage de la suspension.

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