Multi-layer, flexible transfer tape

Details Multi-layer, flexible transfer tape Multi-layer, flexible transfer tape

B - Operations, Transporting

41

J

B41J 29/367 (2006.01) B41J 31/09 (2006.01) B41M 5/10 (2006.01)

Patent

CA 2305904

The invention relates to a multi-layer, flexible transfer tape with an auxiliary substrate and a pressure-sensitive adhesive layer, and, between the two, at least one binder-containing pigmented transfer layer with a stronger bond towards the adhesive layer than towards the auxiliary substrate. This transfer tape is characterized in that it comprises two binder-containing pigmented transfer layers, one of which is cationic-active and the other anionic-active. As a result, incorrect characters which have been covered by the transfer layer can not subsequently reappear, as undesirable migration of dyes resulting from covering is prevented.

L'invention concerne un ruban transfert multicouche souple comportant un support auxiliaire et une couche auto-adhésive, entre lesquels se trouve au moins une couche de transfert pigmentée contenant des liants, qui présente un pouvoir d'adhérence plus important vis-à-vis de la couche auto-adhésive qu'à l'égard du support auxiliaire. Ce ruban transfert se caractérise en ce qu'il comporte deux couches de transfert pigmentée contenant des liants, une des couches de transfert pigmentées étant ajustée pour avoir une action cationique et l'autre, une action anionique. Ce système permet, lorsque des caractères erronés sont recouverts par ce ruban transfert, d'éviter la migration indésirable de colorants, suite au recouvrement et par conséquent, le fait que des caractères apparaissent recouverts.

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