Sulfomethylation of high molecular weight polyacrylamide

Details Sulfomethylation of high molecular weight polyacrylamide Sulfomethylation of high molecular weight polyacrylamide

1988-01-29

1991-03-05

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253294, C08F 834

Patent

active

049978900

ABSTRACT:
Improved methods are provided for the sulfomethylation of high molecular weight polyacrylamide polymers which reduce or minimize cross linking and result in polymers which have a reduced specific viscosity (RSV) greater than the polyacrylamide polymer used as the starting material polymer in the process.

REFERENCES:
patent: 4016086 (1977-04-01), Norton
patent: 4090992 (1978-05-01), Scanley
patent: 4703092 (1987-10-01), Fong

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