Actinic ray curable ink-jet ink, image forming method and ink-jet recording apparatus
AssigneeKonica Minolta Medical & Graphic, Inc.
InventorToshiyuki Takabayashi
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Abstract
An actinic ray curable ink-jet ink including a photoinitiator, a photopolymerizable composition, pigment particles, a dispersing agent having an amine value and an acid value, with the proviso that the amine value is larger than the acid value, wherein the pigment particles has an avergae particle diameter of from 0.08 to 0.25 μm and a number of the pigment particles having a particle diameter of not less than 1 μm is less than 6.0×105/μl, the particle diameter being measured with a dynamic light scattering method.
Claims15
An actinic ray curable ink-jet ink comprising a photoinitiator, a photopolymerizable composition, pigment particles, a dispersing agent having an amine value and an acid value, with the proviso that the amine value is larger than the acid value,
- wherein the pigment particles has an average particle diameter of from 0.08 to 0.25 μm and a number of the pigment particles having a particle diameter of not less than 1 μm is less than 6.0×105/μl, the particle diameter being measured with a dynamic light scattering method.
Dependencies are inferred from the claim text.