Process for the production of high molecular weight copolymers o

Details Process for the production of high molecular weight copolymers o Process for the production of high molecular weight copolymers o

1991-03-11

1992-12-15

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524815, 524812, 524555, 5263073, 526 84, 526 87, C08L 4700, C08L 3324

Patent

active

051717832

ABSTRACT:
Water-soluble, high molecular weight, linear copolymers of a diallyl ammonium monomer and an acrylamide monomer are prepared by emulsion copolymerization of a major portion of the acrylamide monomer via stage-addition, and the addition of a chain transfer agent at the conclusion of said copolymerization to prevent branching and cross-linking.

REFERENCES:
patent: 4617362 (1986-10-01), Becker
patent: 4628071 (1986-12-01), Morgan
patent: 4772659 (1988-09-01), Chan
patent: 4925884 (1990-05-01), Hubner

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