Polyether ester elastic fiber and fabric, clothing using the...

Details Polyether ester elastic fiber and fabric, clothing using the... Polyether ester elastic fiber and fabric, clothing using the...

D - Textiles, Paper

01

F

D01F 6/86 (2006.01)

Patent

CA 2529842

A polyether ester elastic fiber comprising a polyether ester elastomer containing polybutylene terephthalate as a hard segment and polyoxyethylene glycol as a soft segment and copolymerized with a specific metal organic sulfonate, having a coefficient of moisture absorption of not less than 5 % at 35°C and at a RH of 95 % and a coefficient of water absorption extension of not less than 10 %. The above-mentioned polyether ester elastic fiber has a good moisture-absorbing property, and is reversibly largely expanded or contracted by the absorption or release of water. Therefore, a fabric giving excellent comfortableness can be obtained from said elastic fibers, and can be recycled.

L'invention porte sur une fibre élastique d'élastomère d'ester de polyéther comprenant du téréphtalate de polybutylène en tant que segment dur et du polyoxyéthylène glycol en tant que segment mou ainsi qu'un organosulfonate métallique spécifique, à l'état polymérisé, et présentant une absorption d'eau de 5 % ou plus à 35 ·C, une HR de 95 %, et une élongation après absorption d'eau de 10 % ou plus. Comme ladite fibre présente une excellente absorption d'eau et s'étend et se rétracte remarquablement et réversiblement en fonction de l'absorption ou de la désorption d'eau, on peut en faire des tissus confortables. Elle est de plus recyclable.

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