D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/636.3
D01F 8/12 (2006.01)
Patent
CA 2214189
Novel bicomponent fibers have a polyamide domain and a regenerated polymer domain which is embedded entirely within, and thereby completely surrounded by, the polyamide domain. The preferred bicomponent fibers have a sheath-core structure wherein the polyamide domain constitutes the sheath and the regenerated polymer constitutes the core. Preferably, the fibers are concentric sheath-core bicomponent trilobal fibers having a virgin nylon-6 sheath and a core formed from regenerated nylon-6 obtained from recycled carpet comprised of about 90% nylon-6 and about 10% of non-polymeric contaminants.
Ces nouvelles fibres bicomposées comprennent un domaine de polyamide et un domaine de polymère régénéré, lequel est entièrement inclus dans le domaine de polyamide et donc complètement entouré par celui-ci. Les fibres bicomposées ont de préférence une structure à gaine et noyau, dont la gaine est constituée par le polyamide et le noyau, par le polymère régénéré. Elles ont de préférence un contour trilobé et une structure concentrique formée d'une gaine de nylon-6 vierge et d'un noyau de nylon-6 régénéré à partir de tapis recyclés renfermant environ 90 % de nylon-6 et environ 10 % de contaminants non polymères.
Hoyt Matthew B.
Kent Diane R.
Basf Corporation
Honeywell International Inc.
Robic
LandOfFree
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