Napped fabric and process

Details Napped fabric and process Napped fabric and process

D - Textiles, Paper

06

C

D06C 11/00 (2006.01)

Patent

CA 2341714

A fabric having at least one hydraulically napped surface comprised of tangled fibers is disclosed. Because the fiber tangles are created from intact, undamaged fibers, fabric strength is not adversely affected by treatment. In addition, laundering enhances entanglement and the aesthetic qualities attributed to this fabric property: surface texture (hand), resistance to pilling, drapeability, and the like. These subjective characteristics have been quantified using values from the Kawabata Evaluation System. A process for creating such fabrics has also been disclosed. The fabric passes through one or two treatment zone in which high pressure fluids (e.g., water) are directed at the fabric surface as the fabric moves away from a support member. In the case of dual treatemnt zones, a substantially lower pressure is used in the second treatment zone.

L'invention concerne un tissu possédant au moins une surface lainée selon un procédé hydraulique et comprenant des fibres enchevêtrées. L'enchevêtrement des fibres étant obtenu à partir de fibres intactes, la résistance du tissu ne se trouve pas affectée négativement par le traitement. De plus, le blanchissage favorise l'enchevêtrement et les qualités esthétiques attribuées aux propriétés de ce tissu: texture de surface (toucher), résistance au boulochage, drapé, etc. Ces caractéristiques subjectives ont été quantifiées à l'aide de valeurs du Système d'Evaluation Kawabata. L'invention concerne également un procédé de fabrication de ce type de tissu. Le tissu passe par une ou deux zones de traitement dans lesquelles des fluides haute pression (par exemple, de l'eau) sont dirigés vers la surface du tissu alors que le tissu se sépare d'un élément de support. Dans le cas de zones de traitement doubles, on utilise une pression sensiblement inférieure dans la seconde zone de traitement.

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