Synergistic pitch control process utilizing ammonium zirconium a

Details Synergistic pitch control process utilizing ammonium zirconium a Synergistic pitch control process utilizing ammonium zirconium a

1991-09-03

1993-07-27

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621646, 1621682, 1621812, 162199, 162DIG4, D21H 2102

Patent

active

052307743

ABSTRACT:
Pitch control agents comprising a combination of water-soluble zirconium compounds and cationic polymers are described.
Ammonium zirconium carbonate is preferred in combination with poly DADMAC and/or with EPI-DMA polymers.

REFERENCES:
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patent: 3812055 (1974-05-01), Carstens et al.
patent: 3895164 (1975-07-01), Carstens et al.
patent: 3896046 (1975-07-01), Carstens et al.
patent: 3992249 (1976-11-01), Farley
patent: 4313790 (1982-02-01), Pelton et al.
patent: 4950361 (1990-08-01), Bender et al.

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