Melt processable polyesters and poly(imide-esters)

C - Chemistry – Metallurgy – 08 – G

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C08G 73/16 (2006.01) C08G 63/672 (2006.01)

Patent

CA 2162843

Isotropic polyester containing repeat unit derived from 4,4'-bis(3-hydroxyphenoxy)biphenyl, and especially poly(imide-esters) containing that diol, trimellitic anhydride and at least one diamine and/or aminocarboxylic acid. Such polyesters have a good combination of physical and melt properties, making them easy to shape and useful for mechanical parts and fibers.

Polyesters isotropiques contenant une unité de répétition dérivée de 4,4'-bis(3-hydroxyphénoxy)biphényle, et notamment poly(imide esters) contenant ce diol, de l'anhydride trimellitique et au moins une diamine et/ou de l'acide aminocarboxylique. Ces polyesters présentent une bonne combinaison de propriétés physiques et de fusion qui en facilitent le façonnage et permettent de les utiliser pour réaliser des pièces mécaniques et des fibres.

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