B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/00 (2006.01) B41M 5/52 (2006.01) C08G 18/08 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2454906
A water resistant coating composition for ink jet recordable substrates having a pH of less than 7, which includes: (a) an aqueous polyurethane dispersion; and (b) an aqueous solution of a nitrogen containing polymeric dye fixative compound. When applied to a suitable substrate, the coating composition allows for the recording of sharp, waterfast images. A coated ink recordable substrate is also disclosed, which includes a substrate having at least one side and at least one side of the substrate has a coating layer derived from the above described coating composition.
L'invention concerne une composition de revêtement hydrofuge, destinée à des substrats imprimables par jet d'encre, possédant un pH inférieur à 7, comprenant: (a) une dispersion aqueuse de polyuréthanne, et (b) une solution aqueuse d'un composé fixateur de coloration à base de polymère contenant de l'azote. Lorsqu'elle est appliquée à un substrat adéquat, la composition de revêtement permet l'enregistrement d'images nettes, inaltérables à l'eau. L'invention concerne aussi un substrat qui peut être imprimé par jet d'encre, constitué d'un substrat, possédant au moins un côté, et dont au moins un côté est recouvert d'une couche de la composition de revêtement décrite ci-dessus.
Benenati Paul L.
Hill Charles T.
Kahle Charles F.
Kovacs Joseph P.
Lipko Larry E.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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