D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/40 (2006.01)
Patent
CA 2555532
The present invention is directed to a hydroentangled flame retardant nonwoven fabric, and more specifically, to a cellulosic flame retardant fabric comprising a self extinguishing fiber so as to minimize the total percentage of fabric weight lost upon burning in accordance with technical bulletin 604. Use of natural fiber fabrics in bedding components is desirable due to the softness and durability associated with the fabrics; however, natural fiber, such as cellulose, is highly flammable and therefore lacks the ability to provide the proper flammability protection often sought out in bedding components. In accordance with the present invention, a small amount of self- extinguishing fiber, such as a modacrylic fiber, was blended with the natural fiber and hydroentangled to form a nonwoven composite fabric that is soft, flame retardant, and suitable for bedding articles.
L'invention concerne un tissu non tissé ignifuge hydrolié, et plus précisément un tissu cellulosique ignifuge qui comprend une fibre à auto-extinction permettant de réduire au minimum le pourcentage total de perte de poids de tissu à la combustion, conformément au bulletin technique 604. L'utilisation de fibres naturelles dans les articles de literie est souhaitable en raison de la douceur et de la durabilité inhérentes à ces tissus. Néanmoins, la fibre naturelle, du type cellulose, est très inflammable et n'assure donc pas la protection contre l'incendie appropriée souvent recherchée dans les articles considérés. On décrit donc une petite quantité de fibre à auto-extinction, du type fibre monoacrylique, qui est mélangée avec la fibre naturelle et hydroliée de manière à former un tissu composite non tissé doux, ignifuge et approprié aux articles de literie.
Hartgrove Herbert
Rabon Gregory
Rindall Russell
Polymer Group Inc.
Sim & Mcburney
LandOfFree
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