Dispersible hydrophilic polymer compositions

Details Dispersible hydrophilic polymer compositions Dispersible hydrophilic polymer compositions

1980-10-14

1984-01-24

Guynn, Herbert B.

Compositions

Leather or fur treating

71DIG1, 252 85C, 252 855R, 2523635, C09K 702, E21B 4300

Patent

active

044275560

ABSTRACT:
A polymer composition for use in aqueous mediums comprising a hydrophilic polymer, a water miscible polar organic liquid which acts as a solvating agent for the hydrophilic polymer, the solvating agent being of a type which forms a semi-solid to viscous mixture with the hydrophilic polymer under certain conditions, and a diluting agent which is a non-solvating agent for the hydrophilic polymer. The polymer compositions can be added to aqueous mediums, particularly heavy brines, to produce well servicing fluids.

REFERENCES:
patent: 2970063 (1961-01-01), Jordan et al.
patent: 3122203 (1964-02-01), Hawkins
patent: 4003838 (1977-01-01), Jackson et al.
patent: 4046197 (1977-09-01), Gruesbeck et al.
patent: 4304677 (1981-12-01), Stauffer et al.
patent: 4330414 (1982-05-01), Hoover
"K8D30--A Fine-Mesh Biopolymer for Liquid Viscosifiers" Published by Kelco, Division of Merck & Co., Inc. 4-1979.

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