Preparation of water soluble graft copolymers

Details Preparation of water soluble graft copolymers Preparation of water soluble graft copolymers

1996-06-25

1998-08-04

Wyse, Thomas G.

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

Synthetic resins

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

5253288, 525360, C08F 1602, C08F 800

Patent

active

057894884

ABSTRACT:
Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: ##STR1## whereby the cationic monomer (F) is represented by ##STR2## wherein R is hydrogen or a C.sub.1 to C.sub.3 alkyl group, R.sub.1 is the salt of an ammonium cation, and the molar percentage of a:b is from about 95:5 to about 5:95, with the proviso that the sum of a and b equals 100%.

REFERENCES:
patent: 5039757 (1991-08-01), Takaki et al.

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