Preparation of vinyl ether terminated polyesters

Details Preparation of vinyl ether terminated polyesters Preparation of vinyl ether terminated polyesters

C - Chemistry, Metallurgy

07

C

C07C 67/02 (2006.01) C07C 67/29 (2006.01) C07C 69/44 (2006.01) C07C 69/76 (2006.01) C08G 63/21 (2006.01) C08G 63/66 (2006.01) C08G 63/676 (2006.01) C08G 63/91 (2006.01)

Patent

CA 2142269

Vinyl ether terminated ester oligomers having a range of molecular weights are prepared by reacting a vinyl ether terminated polybasic ester with a polyol in the presence of a catalyst. Continual removal of a hydroxy monovinyl ether avoids formation compounds containing acetal moieties. Alternatively, a polybasic ester is chain extended with a polyol with continual removal of the alcohol by-product. Then, the terminal ester moieties are end capped with a monohydroxy vinyl ether. The oligomers have application in coatings and the like.

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