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 2425646

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

L'invention concerne un élastomère de polyéther-ester contenant d'environ 90 à environ 60 % en poids d'un segment mou de polytriméthylène-éther-ester, et d'environ 10 à environ 40 % en poids d'un segment dur de tétraméthylène-ester. L'invention concerne également l'utilisation dudit élastomère dans des fibres et autres articles formés. Ces fibres présentent d'excellentes propriétés physiques, notamment une résistance et une récupération d'élasticité supérieures.

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