Retention aids

Details Retention aids Retention aids

1993-09-20

1996-05-14

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162163, 1621643, 162165, 1621811, D21H 2110

Patent

active

055164056

ABSTRACT:
First pass filler retention is obtained by adding a cationic fixative into a filler containing pulp slurry which is also treated using the conventional polyethylene oxide/promoter retention system and as a result a significant increase in the first pass retention of filler is attained.

REFERENCES:
patent: 4070236 (1978-01-01), Carrard et al.
patent: 4313790 (1982-02-01), Pelton et al.
patent: 5173208 (1992-12-01), Chung et al.
Casey, Pulp & Paper, vol. III, (1981) p. 1564.

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