Polysilicate microgels as retention/drainage aids in papermaking

Details Polysilicate microgels as retention/drainage aids in papermaking Polysilicate microgels as retention/drainage aids in papermaking

1989-08-07

1990-09-04

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162175, 162178, 1621816, 162183, D21H 2110

Patent

active

049542206

ABSTRACT:
The use of anionic polysilicate microgels with an organic polymer to flocculate pulp and filler fines, such that water removal is easier and fines retention is greater.

REFERENCES:
patent: 4750974 (1988-06-01), Johnson
patent: 4795531 (1989-01-01), Sofia et al.

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