顔料水分散体

Japanese Patent JP7052959

B2

The present invention relates to a pigment water dispersion containing pigment-containing water-insoluble crosslinked polymer A particles, a water-soluble basic compound and water, in which a water-insoluble crosslinked polymer A constituting the particles has a carboxy group and a crosslinked structure containing an ester group derived from a water-insoluble crosslinking agent, a saponification value of the water-insoluble crosslinked polymer A is from 170 to 300 mgKOH/g, and the water-soluble basic compound contains a water-soluble amine compound; a process for producing the pigment water dispersion; a water-based ink for ink-jet printing which contains the pigment water dispersion; and an ink-jet printing method using the water-based ink.

JP5458022	Porphyrazine pigments, ink compositions and colorants containing them
JP2022023499	HEATING DEVICE, LIQUID APPLICATION DEVICE, IMAGE FORMING DEVICE, POST-PROCESSING DEVICE AND TRANSPORTATION DEVICE
JP2001019830	RESIN FOR INK-JET RECORDING SUBSTRATE AND INK-JET RECORDING SUBSTRATE

Tetsuya Eguchi
Hirokazu Momota

JP2020069499A

April 12, 2022

April 08, 2020

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Kao Corporation

B41J2/01; C09D17/00; B41M5/00; C09D11/326

JP2014136777A
JP2016121237A
JP2013124356A
JP2017043653A

Otani Ho
Kataoka Makoto

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