INK SET AND IMAGE FORMING METHOD
First Claim
1. An ink set, comprising:
- an ink composition comprising a colorant and water;
a pre-treatment liquid comprising an acid and water; and
an overcoat liquid comprising water and particles of a resin, the resin comprising an acidic group selected from the group consisting of a sulfo group, a salt of a sulfo group, a phosphonic acid group, a salt of a phosphonic acid group, a phosphoric acid group, and a salt of a phosphoric acid group.
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Accused Products
Abstract
The invention provides an ink set and an image forming method in which excellent glossiness is obtained in a case where a surface of an image recording material on which an image is formed using an acidic pre-treatment liquid is overcoated. Namely, the invention provides an ink set and an image forming method using the same, the ink set including: an ink composition which includes a colorant and water; a pre-treatment liquid which contains an acid and water; and an overcoat liquid which includes water and particles of a resin, the resin containing an acidic group selected from the group consisting of a sulfo group, a salt of a sulfo group, a phosphonic acid group, a salt of a phosphonic acid group, a phosphoric acid group, and a salt of a phosphoric acid group.
20 Citations
9 Claims
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1. An ink set, comprising:
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an ink composition comprising a colorant and water; a pre-treatment liquid comprising an acid and water; and an overcoat liquid comprising water and particles of a resin, the resin comprising an acidic group selected from the group consisting of a sulfo group, a salt of a sulfo group, a phosphonic acid group, a salt of a phosphonic acid group, a phosphoric acid group, and a salt of a phosphoric acid group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An image forming method, comprising:
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applying a pre-treatment liquid comprising an acid and water to an image recording material; applying, to a surface of the image recording material to which the pre-treatment liquid is applied, an ink composition comprising a colorant and water to form an image; and applying, to at least a part of a side of the image recording material on which the image is formed, an overcoat liquid comprising water and particles of a resin, the resin comprising an acidic group selected from the group consisting of a sulfo group, a salt of a sulfo group, a phosphonic acid group, a salt of a phosphonic acid group, a phosphoric acid group, and a salt of a phosphoric acid group.
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Specification