Fibers formed of ester condensates and process for forming...

Details Fibers formed of ester condensates and process for forming... Fibers formed of ester condensates and process for forming...

D - Textiles, Paper

01

D

D01D 5/38 (2006.01) C08G 63/12 (2006.01) D01F 6/62 (2006.01)

Patent

CA 2643079

Fibers are formed from ester condensates of polyhydric alcohols and organic polyacids or anhydrides. The process for making the fibers comprises forming a reactive mixture from a polyhydric alcohol and organic polyacid mixture heated to produce a low molecular weight ester condensation product which is subsequently pumped through a spinneret causing additional ester condensation reaction in situ with fiber formation.

Selon la présente invention, des fibres sont formées à partir de produits de condensation de type ester de polyols et de polyacides ou anhydrides organiques. Le procédé de fabrication de fibres comprend la formation d'un mélange réactif à partir d'un polyol et d'un mélange de polyacides organiques chauffés de façon à produire un produit de condensation de type ester à faible masse moléculaire qui est ultérieurement pompé à travers une filière entraînant une réaction in situ supplémentaire de condensation d'ester avec la formation de fibres.

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