Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1991-05-15
1993-01-19
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621683, D21H 1745
Patent
active
051804735
ABSTRACT:
Disclosed is a paper-making process for preparing a paper from a paper stock suspension, which is characterized by adding water-swellable cationic polymer particles optionally together with an acrylamide polymer to the suspension as a retention-improving agent. In the process, the stability of the retention even under high shearing force in the paper-making step is improved, the load for recovery of white water and treatment of waste water drained is reduced and the abrasion of paper-making wires is reduced.
REFERENCES:
patent: 4759856 (1988-07-01), Farrar et al.
Akune Kenichi
Arai Takeo
Funato Reiko
Inomiya Yukihiro
Itoda Hiroshi
Chin Peter
Mitsui-Cyanamid Ltd.
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