Printing with differential adhesion

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 1/18 (2006.01) B41M 3/00 (2006.01) B41M 7/00 (2006.01)

Patent

CA 2473334

This invention realtes to the printing of a substrate having a pre-printed "print pattern" with a "design layer" of ink where there is differential adhesion within and without the print pattern. The print pattern is receptive to an ink, and the design layer ink forms a durable image material with good bond to the print pattern, but the ink does not form a durable image material on the portions of the substrate outside the print pattern. The design layer ink is a UV-curable ink, and the print pattern may have a higher surface energy than the portions of the substrate outside the print pattern.

Cette invention concerne l'impression d'un substrat présentant un "motif d'impression" pré-imprimé avec une "couche de conception" d'encre, l'adhésion n'étant pas la même à l'intérieur et à l'extérieur du motif d'impression. Ce motif d'impression est réceptif à l'encre et l'encre de la couche de conception forme un matériau de reproduction durable avec une bonne adhérence au motif d'impression, ce qui n'est pas le cas sur les parties du substrat situées en dehors du motif d'impression. L'encre de la couche de conception est une encre durcissable aux ultraviolets. Le motif d'impression peut présenter une tensions superficielle plus élevée que les parties du substrat situées en dehors du motif d'impression.

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