Method for the polymerization of water soluble monomers

Details Method for the polymerization of water soluble monomers Method for the polymerization of water soluble monomers

1981-08-28

1982-11-30

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...

526312, 526317, 5263076, 5263077, C08L 3326, C08L 3314

Patent

active

043616879

ABSTRACT:
What is disclosed is a method for making a water soluble polymer of low molecular weight which forms aqueous solutions of low viscosity, which method comprises polymerizing an .alpha.,.beta.-unsaturated water soluble monomer or a mixture of such monomers in a concentrated aqueous solution of said monomer or mixture in the presence of a free radical forming initiator and of formic acid or a water soluble salt thereof as a chain transfer agent.

REFERENCES:
patent: 2564292 (1951-08-01), Wolf
patent: 3941724 (1976-03-01), Bolto

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