Pressure-sensitive adhesive sheet and laminate of...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 7/06 (2006.01) C09J 7/02 (2006.01) G09F 3/10 (2006.01)

Patent

CA 2222817

There are disclosed a pressure-sensitive adhesive sheet which comprises a substrate sheet, a pressure-sensitive adhesive layer formed on one side of the substrate sheet and a release layer comprising a cured product from an ionizing radiation-curing type releasable resin formed on the other side of the substrate sheet; and a laminate which comprises a plurality of these pressure-sensitive adhesive sheets that are superimposed on one another so that the pressure-sensitive adhesive layer and the release layer directly face each other and the whole surfaces of the pressure-sensitive adhesive layers are covered with the release layers. The above pressure-sensitive adhesive sheets and the laminate formed therefrom can be produced with good workability with a simplified apparatus without the generation of curls, and thus are well suited for use as display labels etc.

Feuille adhésive autocollante constituée d'une feuille servant de substrat, d'une couche adhésive autocollante appliquée sur un côté de la feuille servant de substrat et d'une couche antiadhérente comportant un produit polymérisé provenant d'une résine antiadhérente durcissable par rayonnements ionisants appliqué sur l'autre côté de la feuille servant de substrat, et d'un laminé constitué de plusieurs de ces feuilles adhésives autocollantes superposées de manière que la couche adhésive autocollante et la couche antiadhérente soient placées face à face et que la surface complète des couches adhésives autocollantes soit recouverte de couches antiadhérentes. Les feuilles adhésives autocollantes et le laminé qui en est formé peuvent être fabriqués de manière à être très maniables, à l'aide d'un appareil simplifié n'entraînant pas de roulage; ils conviennent donc bien à la préparation d'étiquettes destinées à l'affichage.

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