Formation of leather sheet material using hydroentanglement

D - Textiles – Paper – 04 – H

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D04H 1/42 (2012.01) D04H 1/492 (2012.01) C14C 13/00 (2006.01)

Patent

CA 2567988

Leather sheet material is made by hydroentangling a web (4) of mixed reclaimed leather fibres and synthetic fibres. The synthetic fibres are meltable bicomponent fibres which are heated prior to entanglement to fuse and form a supporting network for the leather fibres. A sheet of tissue paper (1a) is laid over the surface of the leather fibre web (4) and hydroentanglement jets (16) are directed through the tissue paper into the web.

Selon l'invention, pour fabriquer un matériau de cuir en feuilles, on lie par jet d'eau un réseau (4) constitué d'un mélange de fibres de cuir et de fibres synthétiques de récupération. Les fibres synthétiques sont des fibres fusibles à deux composantes qui sont chauffées avant d'être liées par jet d'eau de façon qu'elles fondent et qu'elles forment un réseau de support pour les fibres de cuir. Une feuille de papier de soie (1a) est posée sur la surface de la bande (4) de fibres de cuir et les jets d'eau (16) sont dirigés sur la bande à travers le papier de soie.

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