Ink-jet print head having improved adhesion with time, its process of manufacturing and its use in combination with a water-based ink containing acidic species
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United States of America Patent
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Mar 3, 2015
Grant Date -
Mar 17, 2011
app pub date -
Apr 18, 2008
filing date -
Apr 18, 2008
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Abstract
The present invention relates to an ink-jet print head for an ink-jet printer comprising at least a substrate and a photopolymer barrier applied onto said substrate, said photopolymer barrier comprising an adhesive first layer and a second layer made of a photopolymerizable material and applied above said first layer, characterized in that said adhesive first layer is made of a cationically polymerizable material partially polymerized that, when contacted ny a water-based ink containing acidic species, is able to further polymerize, thus improving the photopolymer barrier adhesion on said surface of said substrate with time, the present invention also relates to a process of manufacturing said ink-jet print head and to its use in combination with a water-based ink containing acidic species.
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