Method for producing high molecular weight polyacrylamide type r

Details Method for producing high molecular weight polyacrylamide type r Method for producing high molecular weight polyacrylamide type r

1974-01-24

1976-01-06

Smith, Edward J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210 54, 260 855AM, 260 855M, 260 855L, C08F 214, C08F 220

Patent

active

039311228

ABSTRACT:
High molecular weight acrylamide polymers useful as flocculants are obtained by copolymerizing acrylamide with a monovinyl monomer in a mixture of water and acetone in the presence of a redox type catalyst comprising a persulfate, an aliphatic amine and at least one Lewis acid selected from the group consisting of chlorides and bromides of aluminum, antimony, lithium and zinc.

REFERENCES:
patent: 3414514 (1968-12-01), Buhl
patent: 3480761 (1969-11-01), Kolodny et al.
patent: 3509113 (1970-04-01), Monagle et al.

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