Polyether ester elastomer comprising polytrimethylene ether...

Details Polyether ester elastomer comprising polytrimethylene ether... Polyether ester elastomer comprising polytrimethylene ether...

C - Chemistry, Metallurgy

08

G

C08G 63/672 (2006.01) C08G 63/66 (2006.01)

Patent

CA 2427211

A polyether ester elastomer comprising about 90 - about 60 weight % polytrimethylene ether ester soft segment and about 10 - about 40 weight % trimethylene ester hard segment, and use thereof in fibers and other shaped articles. The fibers have excellent physical properties, including superior strength and stretch recovery.

Cette invention, qui a trait à un élastomère d'ester de polyéther contenant, en pourcentage pondéral, de 90 à 60 % environ d'un segment mou d'éther-ester de polytriméthylène et de 10 à 40 % environ d'un segment dur d'un ester de triméthylène, concerne également l'utilisation de cet élastomère dans des fibres et autres articles formés. Ces fibres possèdent de remarquables propriétés physiques, notamment en matière de résistance à la traction et de récupération après étirage.

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