PHOTOCURABLE INK COMPOSITION FOR INK-JET PRINTING

WIPO Patent Application WO/2021/199760

A1

The present invention addresses the problem of providing a photocurable ink composition for ink-jet printing which has curability on and adhesiveness to objects to be printed that have surfaces constituted of paper or of sheets of, for example, polyesters, vinyl-based polymers such as poly(vinyl chloride) and ethylene/vinyl acetate copolymers, and which has storage stability and gives cured coating films having low odorousness, low tackiness, abrasion resistance, high resistance to water, high resistance to ethanol, stretchability, and excellent folding endurance. This photocurable ink composition for ink-jet printing comprises vinylmethyloxazolidinone and a monofunctional photopolymerizable monomer having a glass transition temperature of 10°C or lower in amounts of 5-50 mass% and 10-50 mass%, respectively, with respect to the whole ink composition and further includes a colorant and a photopolymerization initiator.

JP2001310551	INK RECEPTIBLE LAYER COMPOSITION FOR INK JET, RECORDABLE MATERIAL AND RECORDING METHOD FOR INK JET
JP4561049	A printing system that prints an image based on information on the number of dots formed in a predetermined area.
JP2004209758	INK SET FOR INK JET

NAKASHIMA OKINORI (JP)
OGASAHARA KOKI (JP)
KAWAMOTO KENJI (JP)

PCT/JP2021/006038

October 07, 2021

February 18, 2021

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SAKATA INX CORP (JP)

B41J2/01; B41M5/00; C09D11/101; C09D11/36

WO2019077364A1	2019-04-25
WO2020179155A1	2020-09-10
WO2003076527A1	2003-09-18
WO2004000950A1	2003-12-31

GB2561984A	2018-10-31
JP2014015503A	2014-01-30
US4639472A	1987-01-27
JP2021042321A	2021-03-18
JP2021042322A	2021-03-18
JP2016529360A	2016-09-23
JP2004083872A	2004-03-18

YAMADA, Yasuyuki et al. (JP)

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