Ink jet recording medium

Details Ink jet recording medium Ink jet recording medium

2004-04-15

2009-10-20

Shah, Manish S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C106S031130

Reexamination Certificate

active

07604338

ABSTRACT:
An ink jet recording method for recording on an ink jet recording medium including a support and a colorant receiving layer provided on the support having a porous structure containing at least polymer fine particles, using an ink composition including a colored fine particle dispersion containing at least one kind of hydrophobic dye, at least one kind of hydrophobic polymer and at least one kind of organic solvent having a high boiling point, wherein a void volume per unit thickness (A/B) of the colorant receiving layer calculated by dividing a void volume A (×10−5ml/cm2) of the colorant receiving layer at a void diameter equal to a particle size of the polymer fine particles obtained from a pore distribution curve by a nitrogen gas adsorption method, by a dry film thickness B (μm) of the colorant receiving layer is 2.0 (×10−5ml/cm2/μm) or more.

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