Process of preparing polyesters having carbonyl group and...

Details Process of preparing polyesters having carbonyl group and... Process of preparing polyesters having carbonyl group and...

C - Chemistry, Metallurgy

08

G

402/186

C08G 63/00 (2006.01)

Patent

CA 1061045

TITLE OF THE INVENTION: Process of Preparing Polyesters Having Carbonyl Group and Ether Linkage in the Principal Chain thereof ABSTRACT OF THE DISCLOSURE There is provided a process of preparing polyesters having carbonyl groups and ether linkages in the principal chain thereof by the reaction of carbon dioxide with vinyl compounds or diene compounds (diolefins) having Alfrey-Price's value of less than -0.9. Said reaction may be carried out in the presence of catalysts as shown below: alkoxides, acetylacatone complexes and alkyl compounds of titanium, magnesium, cobalt, manganese, zinc, aluminium, tin and mercury. - 1 -

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