Flame-retardant imaged nonwoven fabric

Details Flame-retardant imaged nonwoven fabric Flame-retardant imaged nonwoven fabric

B - Operations, Transporting

32

B

B32B 27/04 (2006.01) B27N 9/00 (2006.01) B32B 27/12 (2006.01) D04H 1/42 (2006.01) D04H 1/46 (2006.01) D04H 1/64 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2431803

A method of forming flame-retardant nonwoven fabrics by hydroentanglement (14 and 22) includes providing a precursor web. The precursor web is subjected to hydroentanglement on a three-dimensional image transfer device (18) to create a patterned and imaged fabric. Treatment with a flame-retardant binder enhances the integrity of the fabric, permitting the nonwoven to exhibit desired physical characteristics, including strength, durability, softness, and drapeability. The treated nonwoven may then be dyed by means applicable to conventional wovens.

L'invention concerne un procédé relatif à l'élaboration de textiles non tissés ininflammables par hydro-enchevêtrement (14 et 22). On soumet une bande précurseur à l'hydro-enchevêtrement sur un dispositif (18) de transfert d'image en trois dimensions, de manière à réaliser un textile à dessins et images. Le traitement avec un liant d'ignifugation améliore l'intégrité du textile non tissé, qui présente ensuite les caractéristiques physiques voulues, à savoir par exemple: résistance, durabilité, douceur et tombant. Enfin, le textile ainsi traité peut être séché par des moyens utilisés pour les tissés conventionnels.

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