Alkoxylated/cationically modified amide-containing polymers

Details Alkoxylated/cationically modified amide-containing polymers Alkoxylated/cationically modified amide-containing polymers

C - Chemistry, Metallurgy

08

F

402/525

C08F 8/32 (2006.01) C08F 8/44 (2006.01)

Patent

CA 1306831

66530-433 ABSTRACT Pendant amide-containing polymers may be modified in such a way to achieve substituted pendant amide groups des- cribed by the structure: (polymer) Image wherein: R is chosen from the group consisting of hydrogen and lower alkyl (C1-C4) groups, R1 is a multivalent hydrocarbonaceous bridging group containing from 1-20 carbon atoms, X is a tertiary amine or a quaternary ammonium salt functional group, Y is chosen from the group consisting of -OR"', and Image and mixtures thereof, and wherein R"' is chosen from the group consisting of hydrogen, alkyl groups, aryl alkyl, aryl groups and the like, q ranges from 0-50, m ranges from -24, n ranges from 0-24, provided that the sum of m plus n is at least 1. Processes for achieving modified polymers having the above functional group are also disclosed. These polymers find use in water treatment procedures, such as heat exchanger scale inhibition.

526916

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