Multi-purpose absorbent and shred-resistant sheet material

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 5/02 (2006.01) A47J 47/00 (2006.01) B32B 27/04 (2006.01) B32B 37/04 (2006.01) D04H 13/00 (2006.01) B32B 29/00 (2006.01)

Patent

CA 2430976

A shred-resistant and cut-resistant absorbent sheet material (10) including an absorbent substrate (50) and cut-resistant particles (25) discontinuously distributed through the substrate. The absorbent substrate (50) can comprise cellulosic material and the particles (25) comprise polymeric materials having an average size of at least about 100 nanometers, and most preferably between 100 nanometers and 1000 nanometers. In one embodiment, the particles are provided in an amount of between about 10 percent to about 50 percent by weight of the sheet. The sheet material can be made using typical paper making processes. Heat and/or pressure are applied to the sheet material to cause the particles to at least partially flow, so as to bond to the absorbent substrate. The sheets can be provided as a layered structure with a slip- resistant base (40) for home use in the preparation of foodstuffs.

L'invention concerne un matériau en feuille absorbant résistant au broyage et aux coupures, qui comprend un substrat absorbant et des particules résistantes aux coupures réparties de façon discontinue à travers le substrat. Le substrat absorbant peut comprendre une matière cellulosique et les particules renferment des matières polymères ayant une taille moyenne d'au moins 100 nanomètres, de préférence entre 100 et 1000 nanomètres. Dans un mode de réalisation, la quantité des particules est comprise entre environ 10 % et 50 % en pds de la feuille. Le matériau en feuille peut être fabriqué par des processus de fabrication de papier habituels. Une application de chaleur et/ou de pression est exercée sur le matériau en feuille pour entraîner les particules à s'écouler, partiellement au moins, de façon à se lier au substrat absorbant. Les feuilles peuvent avoir une structure stratifiée avec une base antidérapante pour une utilisation domestique dans la préparation d'aliments.

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