Wasserbasierte Tinte zur Tintenstrahlaufzeichnung und Tintenstrahlaufzeichnungsverfahren

Details

Veröffentlichungs-Nr.

EP3569666

Aktenzeichen

EP19174729

Anmeldetag

15. Mai 2019

Veröffentlichung

9. August 2023

Erteilung

9. August 2023

Rechtsraum

EP

IPC

C09D11/326

Abstract

A water-based ink for ink-jet recording includes: a first resin-dispersed pigment, a second resin-dispersed pigment, and water, wherein the following conditions (1) and (2) are satisfied, Condition (1): Q1 ≥ 1.2 Condition (2): Q2 < 1.2 in the conditions (1) and (2), Q1 and Q2 are represented by the following formulae (i) and (ii), respectively. Q 1 = D 1 a / D 1 p <img class="EMIRef" id="610765733-ia01" /> Q 2 = D 2 a / D 2 p D1a: an average particle size (nm) of the first resin-dispersed pigment after being mixed with an aqueous solution of calcium ions; D1p: an average particle size (nm) of the first resin-dispersed pigment after being mixed with pure water; D2a: an average particle size (nm) of the second resin-dispersed pigment after being mixed with an aqueous solution of calcium ions; D2p: an average particle size (nm) of the second resin-dispersed pigment after being mixed with pure water.

Anmelder

Firma

Brother Kogyo Kabushiki Kaisha

Land

🇯🇵 Japan

Fachgebiete