Tissue products having substantially equal machine direction...

Details Tissue products having substantially equal machine direction... Tissue products having substantially equal machine direction...

D - Textiles, Paper

21

H

D21H 27/00 (2006.01)

Patent

CA 2547672

A tissue product having a combination of substantially equal tensile energy absorbed (TEA) in the machine direction and the cross-machine direction of the tissue sheet and a significant level of stretch in both directions provides improved perception of strength and resistance to "poke through" in use. TEA is calculated as the area under the stree-strain curve for the tissue sheet. Poke through resistance of the tissue sheet is also represented by a normalized burst strength of from 20 to 40 cm.

L'invention concerne un produit en tissu qui combine une absorption d'énergie de rupture par traction (TEA) sensiblement égale dans le sens machine et dans le sens travers de la feuille de tissu et un niveau d'étirement notable dans les deux sens, permettant ainsi d'obtenir une perception améliorée de la force et de la résistance au déchirement en cours d'utilisation. La TEA est calculée comme étant la zone sous la courbe contrainte-déformation pour la feuille de tissu. La résistance au déchirement de la feuille de tissu est également représentée par une résistance à l'éclatement normalisée comprise entre 20 et 40 cm.

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