Terpolymers of acrylamide, alkylacrylamide and betaine monomers

Details Terpolymers of acrylamide, alkylacrylamide and betaine monomers Terpolymers of acrylamide, alkylacrylamide and betaine monomers

1988-10-19

1989-11-21

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526287, 5263072, C08F 2606

Patent

active

048824054

ABSTRACT:
A water or brine soluble terpolymer having the structure: ##STR1## wherein X is selected from the group consisting of ##STR2## wherein x is about 1 to about 95 mole percent; y is about 0.1 to about 5.0 mole percent; R.sub.1 is methyl or hydrogen; z is 1 to 29 mole percent; R.sub.2 is an alkyl group of 1-5 carbon atoms; R.sub.3 is an alkyl group of 3 to 4 carbon atoms; R.sub.4 is an alkyl group of 1-5 carbon atoms; and R.sub.5 is an alkyl group of 4-20.

REFERENCES:
patent: 4650848 (1987-03-01), Schulz
patent: 4742135 (1988-05-01), Schulz

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