Process for the prevention of scale formation in wood pulp produ

Details Process for the prevention of scale formation in wood pulp produ Process for the prevention of scale formation in wood pulp produ

1993-08-18

1995-08-15

Dang, Thi

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With cleaning, preserving or conditioning of apparatus

162 72, 162199, 162DIG4, D21C 320

Patent

active

054416027

ABSTRACT:
Hydrolyzed copolymers of (A) maleic anhydride with (B) at least one mono-ethylenically unsaturated monomer other than acrylic acid or methacrylic acid or with a mixture of (B) and (C) acrylic acid or methacrylic acid are effective for inhibiting the formation of calcium carbonate scale in wood pulp production.

REFERENCES:
patent: 3929635 (1975-12-01), Buriks et al.
patent: 4049546 (1977-09-01), Rock
patent: 4126549 (1978-11-01), Jones et al.
Derwent 85-212681/35 (Abstract).
Derwent 86-140582/22 (Abstract).

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