Terpolymer of oxyalkyene acrylates, acrylamides and quaternary monomers
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United States of America Patent
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Jan 1, 1991
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N/A
app pub date -
Apr 14, 1989
filing date -
Apr 14, 1989
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Expired
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Abstract
Water soluble terpolymers based on (1) an acrylamide or acrylamide derivative, (2) a cationic vinyl monomer and (3) a hydrophilic vinyl monomer of the formula CH.sub.2 C(R)C(O)O(CH.sub.2 (CH.sub.2).sub.m O).sub.n E where R and E are each hydrogen or alkyl, m is an integer from 1 to 3 and n is an integer from 1 to 25 are useful flocculants.
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