Oligo(2-alkenyl azlactones)

Details Oligo(2-alkenyl azlactones) Oligo(2-alkenyl azlactones)

C - Chemistry, Metallurgy

08

F

C08F 26/06 (2006.01) C07D 263/42 (2006.01) C07D 498/00 (2006.01) C07D 498/04 (2006.01) C07D 498/14 (2006.01)

Patent

CA 2092403

2092403 9207012 PCTABS00012 This invention provides novel azlactone-functional oligomers of 2-alkenyl azlactones in which oligomerization has occurred predominantly via the 2-alkenyl group. Oligomerization of the 2-alkenyl group provides oligomers having 2 to 15 mer units with predominantly carbon-carbon backbone segments. Oligomerized in this fashion, the novel compositions possess azlactone groups which can be reacted with nucleophiles in the normal ring-opening sense. The oligomers are prepared by a novel process in which both Lewis and Bronsted acidic catalysts are effective. The reactive oligomers find utility as crosslinking agents for polymers containing azlactone-reactable nucleophilic groups.

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