Hydrophobic cationic terpolymers from acrylamide, unsaturated qu

Details Hydrophobic cationic terpolymers from acrylamide, unsaturated qu Hydrophobic cationic terpolymers from acrylamide, unsaturated qu

1989-10-26

1991-11-26

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5262922, 5263073, C08F22056

Patent

active

050682970

ABSTRACT:
Hydrophobic cationic terpolymers of monomers of (a) acrylamide and/or methacrylamide, (b) dimethylaminoethylmethacrylate methyl chloride and/or dimethylaminoethylmethacrylate methyl sulfate, and (c) vinyl acetate; water-in-oil and oil-in-water emulsions containing said terpolymers; and dewatering of wastes and sludges utilizing said oil-in-water emulsions in which the terpolymers are present essentially in the aqueous phase.

REFERENCES:
patent: 4190717 (1980-02-01), Suzuki
patent: 4857621 (1989-08-01), Ball

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