A heat-sealable label

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 7/00 (2006.01) G09F 3/10 (2006.01)

Patent

CA 2607828

The present invention relates to a heat-sealable label comprising a carrier layer, a print, and a heat- sealable adhesive layer, wherein the heat-sealable adhesive layer is a dried dispersion comprising polymeric particles having a coalescence temperature at or above 500C and at least 10 % (w/w) of the total mass of said polymeric particles are constituted by particles having an average particle diameter of at least about 0.5 ~m. This particular adhesive layer results in absence of a tendency of the labels to block when winded up in a roll. Thus, a release layer may be omitted, which allows for a label with more versatile surface properties.

La présente invention concerne une étiquette scellable à la chaleur comprenant une couche porteuse, un imprimé et une couche adhésive scellable à la chaleur, la couche adhésive scellable à la chaleur étant une dispersion séchée comprenant des particules polymériques présentant une température de coalescence de 500°C ou plus et au moins 10 % en poids de la masse totale desdites particules polymériques étant constitués de particules présentant un diamètre de particules moyen d~environ 0,5 µm. Cette couche adhésive particulière a pour effet d~éliminer la tendance des étiquettes à faire bloc lorsqu~elles sont enroulées. On peut ainsi supprimer la couche de décollage, ce qui produit une étiquette aux propriétés de surface plus versatiles.

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