Water dispersible polyamide ester

Details Water dispersible polyamide ester Water dispersible polyamide ester

C - Chemistry, Metallurgy

08

G

402/183, 400/784

C08G 69/48 (2006.01) C09D 11/10 (2006.01) C09D 177/00 (2006.01)

Patent

CA 1305276

SKP:836 WATER DISPERSIBLE POLYAMIDE ESTER Abstract of the Disclosure The present invention comprises a water dispersible polyamide ester useful in flexographic ink formulations and Cold Seal Release Lacquers. A high AV polyamide is reacted with a polyol to increase molecular weight via ester formation. The polyamide ester is then reacted with a cyclic carboxylic anhydride. A general formula for the product resin is as follows: Image wherein x is an integer of 1-5; R' = a polyamide ester chain of molecular weight 500-2000; where y is an integer of 1-3: R2 is independently at each occurrence the residue of a cyclic carboxylic anhydride bearing at least one free carboxyl group or -R3-?-OH; where R3 is independently at each occurrence R' or a polyamide segment of up to 2000 MM.

575584

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