Method for reducing pitch deposition using copolymer of N-vinyl

Paper making and fiber liberation – Processes and products – Non-fiber additive

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Details

1621683, 162199, 162DIG4, D21H 1326, D21H 2102

Patent

active

055974481

ABSTRACT:
Pitch in paper mills is controlled by treating paper mill systems with a water soluble polymer which contains a lower alkyl N-vinyl amide or a hydrolyzed lower alkyl N-vinyl amide.

REFERENCES:
patent: 3597314 (1971-08-01), Laube et al.

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