Hydroentangled nonwoven web containing recycled synthetic...

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 1/46 (2006.01) A47K 10/32 (2006.01) A47L 13/16 (2006.01) D04H 3/10 (2006.01) D04H 5/02 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2426027

A hydraulically entangled nonwoven fabric that includes recycled synthetic fibers and fiber-like materials having at least one thread element composed of synthetic material with at least one irregular distortion generated by hydraulic fracture of the thread element to separate it from a bonded fibrous material while the bonded fibrous material is suspended in a liquid. This material may be used as a wiper or an absorbent material. A method of forming the material includes the steps of: (a) providing a layer of recycled synthetic fibers and fiber-like materials having at least one thread element composed of synthetic material containing at least one irregular distortion generated by hydraulic fracture of the thread element to separate it from a bonded fibrous material while the bonded fibrous material is suspended in a liquid; (b) hydraulically entangling the layer to form a nonwoven web; and (c) drying the web.

L'invention concerne un tissu non-tissé enchevêtré par procédé hydraulique, comprenant des fibres synthétiques recyclées et des matériaux de type fibre contenant au moins un fil constitué d'une matière synthétique et présentant au moins une déformation irrégulière obtenue par fracturation hydraulique du fil de manière à le séparer d'un matériau fibreux collé, alors que ce matériau est en suspension dans un liquide. Ce matériau peut être utilisé comme chiffon ou comme matériau absorbant. L'invention concerne un procédé permettant de former ledit matériau, consistant (a) à fournir une couche composée de fibres synthétiques recyclées et de matériaux de type fibre présentant au moins un fil constitué d'une matière synthétique contenant au moins une déformation irrégulière obtenue par fracturation hydraulique du fil de manière à séparer ce fil d'un matériau fibreux collé, alors que ce matériau est en suspension dans un liquide; (b) à enchevêtrer par procédé hydraulique la couche susmentionnée, de manière à former une bande de tissu non-tissé; puis, (c) à sécher cette bande.

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