Anionic polymers containing 3-acrylamido-3-methylbutanoic acid a

Details Anionic polymers containing 3-acrylamido-3-methylbutanoic acid a Anionic polymers containing 3-acrylamido-3-methylbutanoic acid a

1987-06-29

1988-03-01

Wyse, Tom

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252180, C02F 512

Patent

active

047284366

ABSTRACT:
A method for preventing calcium phosphate and calcium carbonate scales in industrial cooling waters which comprises treating such waters with a few parts per million of a water-soluble acrylic acid copolymer which contains from 10-80 mole percent of 3-acrylamido-3-methyl butanoic acid, said polymer having a molecular weight within the range of 5-100,000.

REFERENCES:
patent: 3752760 (1973-08-01), Gordon et al.
patent: 3806367 (1974-04-01), Lange et al.
patent: 3898037 (1975-08-01), Lange et al.
patent: 3928196 (1975-12-01), Persinski et al.
patent: 4566973 (1986-01-01), Masler, III et al.
patent: 4584358 (1980-04-01), McCormick et al.

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