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

1992-05-05

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 87, 5263073, C08F22604

Patent

active

051108836

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

REFERENCES:
patent: 2923701 (1960-02-01), Schuller
patent: 3147218 (1964-09-01), Booth
patent: 3585148 (1971-06-01), Sackis
patent: 3920599 (1975-11-01), Hurlock
patent: 4070930 (1978-03-01), Lim
patent: 4152200 (1979-05-01), Coscia
patent: 4439580 (1984-03-01), Schaper

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