Polymer containing pendant tertiary alkyl amine groups useful in

Details Polymer containing pendant tertiary alkyl amine groups useful in Polymer containing pendant tertiary alkyl amine groups useful in

1987-12-28

1990-08-07

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166274, 252 8554, E21B 4322

Patent

active

049459899

ABSTRACT:
A polymer having pendant tertiary alkyl amine groups is disclosed having a minimum solubility parameter of 6.85 (cal/cc).sup.1/2 or less. That minimum solubility parameter is reduced to 6.85 (cal/cc).sup.1/2 or less by control of the number of pendant tertiary alkyl amine groups and by the selection of said tertiary alkyl amine groups. The polymer can be formed by reacting either polyglycol (such as polypropylene glycol) or a polyolefin (such as polybutadiene) with a secondary amine, such as diisobutylamine.

REFERENCES:
patent: 4609043 (1986-09-01), Cullick

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