Process for making polyetherester

Details Process for making polyetherester Process for making polyetherester

C - Chemistry, Metallurgy

08

G

C08G 63/66 (2006.01) C08G 18/42 (2006.01) C08G 63/668 (2006.01) C08G 63/82 (2006.01) C08G 63/91 (2006.01)

Patent

CA 2145919

Polyetheresters are prepared by reacting a polyether with a carboxylic compound selected from carboxylic acids and anhydrides in the presence of a strong protic acid or a metal salt of a strong protic acid to promote insertion of the carboxylic compound into polyether carbon-oxygen bonds to produce a polyetherester. The polyetheresters are useful for various applications in the polyurethane and unsaturated polyester industries.

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