Modified acrylamide polymers for enhanced oil recovery
- 1 February 1985
- journal article
- research article
- Published by Wiley in Journal of Applied Polymer Science
- Vol. 30 (2) , 875-885
- https://doi.org/10.1002/app.1985.070300234
Abstract
Copolymers of sodium acrylate and N‐methyl‐, N‐isopropyl‐, N‐n‐butyl‐, and N‐t‐butylacrylamide were prepared. The viscosities of these copolymers in 0.01% and 2.00% NaCl and their resistances to shear were compared with those of several partially hydrolyzed polyacrylamides. The poly(N‐alkylacrylamide‐co‐sodium acrylate demonstrated somewhat better retention of viscosity in brine than did analagous partially hydrolyzed polyacrylamides. N‐alkyl substitution increased sensitivity to shear in low salt solutions.Keywords
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