Dispersion composition and ink-jet printer ink comprising the same
AssigneeHitachi Maxell, Ltd.
InventorsNagayuki Takao, Sachie Kawazu, Kazuki Sakai
Life of this patent
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Abstract
A dispersion composition including a colorant and an acrylic polymer having the furan structure, and an ink for an ink jet printer including such a dispersion composition. This dispersion composition can achieve the satisfactory stability of the colorant irrespective of the kind of the colorant, and allows the inks to be formulated to have the same composition. The ink for an ink jet printer has good storage stability and printing stability.
Claims5
A dispersion composition comprising a colorant and an acrylic polymer having the furan structure, wherein said acrylic polymer comprises 3 to 50 wt. % of the monomer having the furan structure based on the whole weight of the polymer and has an acid value of 30 to 400 mg-KOH/g.
Dependencies are inferred from the claim text.