Aufzeichnungsverfahren unter Verwendung Wässriger Tinte mit Indigo

Details

Veröffentlichungs-Nr.

EP4725998

Anmeldetag

8. Oktober 2024

Veröffentlichung

15. April 2026

Rechtsraum

EP

IPC

(MIZOE TAIGA et al.)(SEIKO EPSON CORP et al.)

Abstract

An image recording method comprising the following steps: i) applying an aqueous pre-treatment liquid onto at least a part of a recording region S of a surface of a substrate; and ii) attaching an aqueous inkjet ink onto at least a part of the recording region S, the aqueous inkjet ink comprises indigo pigment particles selected from a synthetic process or a bio-based process, a polymeric dispersant and a water-soluble organic solvent, the indigo pigment particles have an average particle size equal to 30 nm or more and equal to 1000 nm or less, the polymeric dispersant is a block co-polymer having an average molecular weight equal to 1.2 kDa or more and comprises a hydrophobic block and a hydrophilic block. An ink set containing the aqueous inkjet ink comprising indigo pigment particles selected from a bio-based process, a polymeric dispersant and a water-soluble organic solvent is also provided.

Anmelder

Firma

AGFA NV

Land

🇧🇪 Belgien