Shear thickening composition with polycarboxylic acid

Details Shear thickening composition with polycarboxylic acid Shear thickening composition with polycarboxylic acid

1984-03-06

1987-05-05

Barr, Josephine L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

166294, 166295, 252 855T, C09K 700

Patent

active

046633669

ABSTRACT:
A shear thickening composition which comprises a water-in-oil emulsion having dispersed in the continuous, oily phase thereof, hydratable, water-expandable hydrophillic clay, wherein said oily phase has a polyamine derivative surfactant dissolved therein and the dispersed aqueous phase comprises an aqueous solution of a polyacrylamide and polycarboxylic acid. These compositions are useful as well control fluids and may be used in deep wells.

REFERENCES:
patent: 3448800 (1969-06-01), Parker et al.
patent: 4128528 (1978-12-01), Frisque et al.
patent: 4173999 (1979-11-01), Messenger
patent: 4391925 (1983-07-01), Mintz et al.
patent: 4397354 (1983-08-01), Dawson et al.

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