Brominated pentaerythritolic polyesters and process therefor

Details Brominated pentaerythritolic polyesters and process therefor Brominated pentaerythritolic polyesters and process therefor

C - Chemistry, Metallurgy

08

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402/191

C08G 63/68 (2006.01) C08G 63/682 (2006.01) C08G 63/91 (2006.01) C08J 3/18 (2006.01)

Patent

CA 1055194

A B S T R A C T Polyesters are prepared by reacting penta- erythritol in the liquid phase with HBr and a dicarbox- ylic acid having at least four carbon atoms. Bromine replaces some of the hydroxyls in the pentaerythritol while controlled polymerization occurs between the pentaerythritol and the dicarboxylic acid.

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