Method for manufacture of polymeric pyrrolidinium methanesulfona

Details Method for manufacture of polymeric pyrrolidinium methanesulfona Method for manufacture of polymeric pyrrolidinium methanesulfona

1985-01-28

1986-09-02

Henderson, Christopher A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253282, 525344, C08F 834

Patent

active

046097082

ABSTRACT:
There are provided polymeric pyrrolidinium methanesulfonate viscosifiers which are useful in chemical waterflooding and in drilling fluids. These compounds may be formed by an unexpected cyclization reaction of quaternary diallyl amino groups on polymeric backbones involving the reaction of such groups with bisulfite salts.

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