PRETREATMENT AGENT FOR INKJET PRINTING, INK SET, IMAGE FORMING METHOD AND IMAGE FORMED ARTICLE

Title:

PRETREATMENT AGENT FOR INKJET PRINTING, INK SET, IMAGE FORMING METHOD AND IMAGE FORMED ARTICLE

Document Type and Number:

WIPO Patent Application WO/2019/098220

Kind Code:

A1

Abstract:

The present invention relates to a pretreatment agent for inkjet printing of an anionic pigment ink, which contains a pigment and water, on a coated paper. This pretreatment agent is characterized by containing (a) glyoxylic acid, (b) a water-soluble organic solvent having a specific boiling point, (c) a specific polyvalent light metal salt, and water at a specific ratio.

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Inventors:

MITANI YOSHIYUKI (JP)
SATO TAKESHI (JP)
SUZUKI HIROSHI (JP)

Application Number:

PCT/JP2018/042091

Publication Date:

May 23, 2019

Filing Date:

November 14, 2018

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Assignee:

SEIKO PMC CORP (JP)

International Classes:

B41M5/00; B41J2/01; C09D7/20; C09D7/61; C09D7/63; C09D11/322; C09D11/54; C09D133/26

Domestic Patent References:

WO2010074146A1	2010-07-01
WO2004091926A1	2004-10-28

Foreign References:

JP2017189927A	2017-10-19
JP2013527060A	2013-06-27
JP2002332437A	2002-11-22
US20060235129A1	2006-10-19

Attorney, Agent or Firm:

SAKAMOTO Tomohiro (JP)

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