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US 2016/0137861 A1Published application
Ink additive combinations for improving printhead lifetime
AssigneeMemjet Technology Limited
InventorsDavid Tyvoll, Simon Fielder, Michele Gimona, Christopher Barton, Jognandan Prashar, Michele Shepard, Iain Blake, Richard Myors, Luke Grassy
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Abstract
An inkjet ink for improving printhead lifetimes includes: an aqueous-based ink vehicle; a colorant; an anti-kogation additive; and an anti-corrosion additive having at least one acetylenic group, the acetylenic group being absent any tertiary or quaternary α-carbon atoms.
Claims20
An inkjet ink comprising:
- an aqueous-based ink vehicle;
- a colorant;
- an anti-kogation additive comprising a first organic compound having at least three moieties selected from the group consisting of:
- —(CH2CH2O)—;
- —(CH2CH(Me)O)—;
- —CH2OH;
- and —CH(OH)—;
- an anti-corrosion additive comprising a second organic compound having at least one acetylenic moiety, the acetylenic moiety being absent any tertiary or quaternary α-carbon atoms,
- wherein the first and second organic compounds are different than each other.
6 more elements
Dependencies are inferred from the claim text.