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US 12,528,957 B2Granted
White ink jet ink composition and ink jet recording method
AssigneeSeiko Epson Corporation
InventorsRyota Miyasa, Kazuto Aoki
Life of this patent
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Abstract
A white ink jet ink composition according to the present disclosure includes hollow resin particles, resin particles, and water. The hollow resin particles have a glass transition temperature of 120° C. or more, the resin particles are composed of an acrylic resin or a urethane resin, and the content of the resin particles is 5% by mass or more relative to the total mass of the ink composition.
Claims12
A white ink jet ink composition comprising:
- hollow resin particles;
- resin particles;
- a crosslinking agent having a reaction temperature of 130° C. or less;
- and
- water,
- wherein the hollow resin particles have a glass transition temperature of 150° C. or more;
- the resin particles are composed of an acrylic resin or a urethane resin;
- the crosslinking agent is present in the white ink jet ink composition in an amount that ranges between 0.1 to 10% by mass relative to a total mass of the white ink jet ink composition;
- and
- a content of the resin particles is 5% by mass or more relative to a total mass of the white ink jet ink composition.
7 more elements
Dependencies are inferred from the claim text.