An ink jet recording medium

Details An ink jet recording medium An ink jet recording medium

B - Operations, Transporting

41

M

B41M 5/00 (2006.01) B41M 5/52 (2006.01) D06P 5/30 (2006.01)

Patent

CA 2213637

An ink sorptive coating for ink jet recording media, and ink jet recording media that contain the same, wherein the ink jet recording medium contains a substrate having coated on a surface of the substrate the ink sorptive coating layer. The ink sorptive coating layer contains (1) a polymer or copolymer that comprises a polyalkyl oxazoline monomer unit or a polyphenyl oxazoline monomer unit, or a copolymer that comprises a polyalkyl oxazoline monomer unit and a polyphenyl oxazoline monomer unit, and (2) a hydroxyl group (-OH) containing polymer or copolymer. The ink sorptive coating provides the ink jet media with improved image quality, dry time and a low degree of curl.

Revêtement adsorbant l'encre pour supports d'enregistrement à jet d'encre; supports à jet d'encre munis de ce revêtement. Le support à jet d'encre est constitué d'un substrat recouvert à sa surface de la couche de revêtement adsorbant l'encre, couche qui renferme (1) un polymère ou copolymère contenant une unité monomère de polyalkyloxazoline ou une unité monomère de polyphényloxazoline, ou encore un copolymère contenant une unité monomère de polyalkyloxazoline et une unité monomère de polyphényloxazoline, et (2) un polymère ou copolymère renfermant un groupe hydroxyle (-OH). Le revêtement adsorbant l'encre communique au support pour jet d'encre une meilleure qualité d'image, un meilleur temps de séchage et un faible degré d'enroulement.

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