Aqueous drag reduction with novel acrylamide-N-alkyl acrylamide

Details Aqueous drag reduction with novel acrylamide-N-alkyl acrylamide Aqueous drag reduction with novel acrylamide-N-alkyl acrylamide

1987-12-28

1989-02-07

Terapane, John F.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523175, 5263072, 5263071, C08K 500, C08L 3900

Patent

active

H00005770

ABSTRACT:
A method for reducing frictional drag of water in flow through pipes comprising adding about 5 to about 100 ppm of a water soluble copolymer to said water, said copolymer having the formula: ##STR1## wherein R.sub.1 is an alkyl or cycloalkyl group having about 6 to about 22 carbon atoms, R.sub.2 is the same or different alkyl group as R.sub.1 or hydrogen, x is about 90.0 to about 99.9 mole %, and y is about 0.1 to about 10.0 mole %.

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