Pulp slurry drainage improver

Details Pulp slurry drainage improver Pulp slurry drainage improver

1985-05-06

1987-11-03

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621686, D21H 338

Patent

active

047041900

ABSTRACT:
Drainage of pulp slurry can be markedly improved without impairing the uniformity of paper quality by adding to the pulp slurry a poly-monoallylamine resin represented by the formula: ##STR1## wherein X is Cl, Br, I, HSO.sub.4, HSO.sub.3, H.sub.2 PO.sub.4, H.sub.2 PO.sub.3, HCOO, CH.sub.3 COO or C.sub.2 H.sub.5 COO, n is a number of 10 to 100,000, and m is 0 or 1, or a modified resin of the poly-monoallylamine resin.

REFERENCES:
patent: 3728214 (1973-04-01), Espy
patent: 4021484 (1977-05-01), Toda et al.

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