Polyamide/polyolefin bicomponent fibers and methods of...

Details Polyamide/polyolefin bicomponent fibers and methods of... Polyamide/polyolefin bicomponent fibers and methods of...

D - Textiles, Paper

01

F

D01F 8/12 (2006.01) D01F 8/06 (2006.01) D02G 1/02 (2006.01)

Patent

CA 2208494

Novel bicomponent fibers useful as carpet face fibers have a polyamide domain co-melt-spun with a polyolefin domain. The preferred fibers are sheath-core bicomponent fibers having the polyamide domain as the sheath and the polyolefin domain as the core. The core comprises less than 30% by weight of the fiber and more preferably less than 25% by weight. Such a bicomponent fiber exhibits desirable physical properties which are comparable to fibers formed of 100% polyamide. The polyolefin core may optionally include one or more inert organic fillers so as to further reduce the material cost of producing the fiber.

Nouvelles fibres bicomposantes utiles comme fibres d'endroit de tapis ayant un domaine polyamide filé à l'état fondu en même temps qu'un domaine polyoléfinique. Les fibres de choix sont des fibres bicomposantes de type gaine-âme dont la gaine est constituée du domaine polyamide et l'âme, du domaine polyoléfinique. L'âme comprend moins de 30 % en poids de fibre et, de préférence, moins de 25 %. Une telle fibre bicomposante présente des propriétés physiques recherchées qui sont comparables à celles des fibres formées de polyamide à 100 %. L'âme polyoléfinique peut facultativement comprendre une ou plusieurs charges organiques inertes dans le but de réduire encore davantage le coût des matières premières nécessaires pour produire la fibre.

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