B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/00 (2006.01) B32B 7/02 (2006.01) B32B 27/08 (2006.01) G03G 7/00 (2006.01)
Patent
CA 2343149
The invention discloses an ink-based-image-bearing substrate. This substrate includes a coextruded thermoplastic film having at least one layer made from a polymer derived from polypropylene and another layer made from an acidic functional group-bearing polymer. The layer which includes the polymer derived from the polypropylene is oriented in at least the machine direction. The layer which includes the acidic functional group-bearing polymer is the print-receiving layer. The acidic functional group bearing-polymer is preferably ethylene-acrylic acid or ethylene-methacrylic acid. Liquid toner ink is electrostatically printed on the layer which includes the acidic functional group-bearing polymer. Additionally, the invention includes a method for providing the ink-based-image-bearing substrate.
L'invention concerne un substrat de support d'images à base d'encre. Le substrat comprend un film thermoplastique co-extrudé possédant au moins une couche formée d'un polymère dérivé de polypropylène et une autre couche formée d'un polymère comportant un groupe fonctionnel acide. La couche comprenant le polymère dérivé de polypropylène est orientée dans au moins le sens machine. La couche comprenant le polymère comportant le groupe fonctionnel acide constitue la couche de réception d'impression. Le polymère comportant un groupe fonctionnel acide est de préférence un acide acrylique-éthylène ou un acide méthacrylique-éthylène. Une encre colorante liquide est imprimée de manière électrostatique sur la couche comprenant le polymère comportant un groupe fonctionnel acide. L'invention concerne en outre un procédé de formation du substrat de support d'images à base d'encre.
Cleckner Michael Dale
Lu Pang-Chia
Borden Ladner Gervais Llp
Exxonmobil Oil Corporation
Mobil Oil Corporation
LandOfFree
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