Crosslinkable cellulose derivatives

Details Crosslinkable cellulose derivatives Crosslinkable cellulose derivatives

1991-08-08

1992-06-16

Nutter, Nathan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C09K 700, E21B 4304

Patent

active

051225492

ABSTRACT:
Novel treating fluid compositions containing crosslinkable non-ionic cellulose derivatives and methods of use in petroleum recovery operations are disclosed. The treating fluid polymers are prepared by reacting vinyl monomers having a crosslinkable substituent with a cellulose derivative using a redox system comprising the reaction product of hydrogen peroxide with ferrous salt. The polymers readily crosslink with polyvalent metal ions, such as zirconium and titanium, to form temperature-stable gels useful in petroleum recovery operations.

REFERENCES:
patent: 4982793 (1991-01-01), Holtmyer et al.
Malkiat S. Bains Journal of Polymer Science, part c, Polymer Symposia, pp. 125-151.

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