High standard viscosity quaternary mannich microemulsions

Details High standard viscosity quaternary mannich microemulsions High standard viscosity quaternary mannich microemulsions

1997-07-23

2000-02-15

Reddick, Judy M.

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...

524812, 524815, 524827, C08L 3900

Patent

active

060254327

ABSTRACT:
Inverse microemulsions are disclosed wherein the dispersed micelles containing water and an (alk)acrylamide-based polymer substituted with at least one mole percent of quaternized tertiary aminomethyl groups i.e. the aqueous phase, contain from about 20 percent to about 40 percent, by weight, of polymer solids and the microemulsion has a Standard Viscosity of at least about 3.3 cps. A method of making said microemulsions and use thereof to dewater dispersions of suspended solids are also taught.

REFERENCES:
patent: 4010131 (1977-03-01), Phillips et al.
patent: 4079027 (1978-03-01), Phillips et al.
patent: 4956399 (1990-09-01), Kozakiewicz et al.
patent: 5627260 (1997-05-01), Huang et al.
patent: 5670615 (1997-09-01), Huang et al.

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