Mixture of hydroxypropylcellulose and poly(maleic anhydride/alky

Details Mixture of hydroxypropylcellulose and poly(maleic anhydride/alky Mixture of hydroxypropylcellulose and poly(maleic anhydride/alky

1978-04-17

1979-10-02

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 85R, 252 85LC, 252 855C, C08L 128

Patent

active

041698185

ABSTRACT:
In one embodiment this invention provides a fluid composition which comprises an aqueous medium which is thickened with a synergistic viscosity mixture of hydroxypropylcellulose and poly(maleic anhydride/alkyl vinyl ether) as a novel hydrocolloid gelling agent.
An aqueous medium thickened with a present invention gelling agent is applicable as a vehicle for explosive slurries, printing pastes, paint formulations, adhesives, and the like. A thixotropic aqueous medium of this invention is uniquely adapted for use as a hydraulic fluid in well-drilling operations and in secondary oil and gas recovery from subterranean formations.

REFERENCES:
patent: 3793272 (1974-02-01), Koyanagi et al.
patent: 3960736 (1976-06-01), Free et al.
patent: 4021355 (1977-05-01), Holtmyer et al.

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