Method for forming an image on corrugated cardboard comprising applying a treatment liquid, first ink composition, and second ink composition
First Claim
1. An image forming method comprising:
- applying a treatment liquid containing at least one kind of acidic compound and having a pH of equal to or lower than 2 onto a corrugated cardboard substrate of 10≤
L*≤
90 on a CIELab color scale;
applying a first ink composition, which contains a coloring material and water and in which a total content of resin particles and wax particles is equal to or less than 2% by mass with respect to a total mass of the first ink composition, to a treatment liquid-applied surface of the corrugated cardboard substrate onto which the treatment liquid is applied by an ink jet method under a condition of an amount of a liquid droplet of equal to or greater than 10 picoliters; and
applying a second ink composition, which contains a resin, a wax, and water and in which a content of a coloring material is equal to or smaller than 0.5% by mass with respect to a total mass of the second ink composition, onto the first ink composition applied to the corrugated cardboard substrate;
whereinwax refers to a polymer compound having a melting point that is equal to or lower than 170°
C., and resin refers to a polymer compound that does not have a melting point or has a melting point that is higher than 170°
C.
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Accused Products
Abstract
Provided are an image forming method and a corrugated cardboard. The image forming method includes applying a treatment liquid containing at least one kind of acidic compound and having a pH of equal to or lower than 2 onto a corrugated cardboard substrate of L*≤90, applying a first ink composition, which contains a coloring material and water and in which a total content of resin particles and wax particles is equal to or less than 2% by mass with respect to a total mass of the first ink composition, to a treatment liquid-applied surface of the corrugated cardboard substrate onto which the treatment liquid is applied by an ink jet method under a condition of an amount of a liquid droplet of equal to or greater than 10 picoliters, and applying a second ink composition, which contains a resin, a wax, and water and in which a content of a coloring material is equal to or smaller than 0.5% by mass with respect to a total mass of the second ink composition, onto the first ink composition applied to the corrugated cardboard substrate.
6 Citations
20 Claims
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1. An image forming method comprising:
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applying a treatment liquid containing at least one kind of acidic compound and having a pH of equal to or lower than 2 onto a corrugated cardboard substrate of 10≤
L*≤
90 on a CIELab color scale;applying a first ink composition, which contains a coloring material and water and in which a total content of resin particles and wax particles is equal to or less than 2% by mass with respect to a total mass of the first ink composition, to a treatment liquid-applied surface of the corrugated cardboard substrate onto which the treatment liquid is applied by an ink jet method under a condition of an amount of a liquid droplet of equal to or greater than 10 picoliters; and applying a second ink composition, which contains a resin, a wax, and water and in which a content of a coloring material is equal to or smaller than 0.5% by mass with respect to a total mass of the second ink composition, onto the first ink composition applied to the corrugated cardboard substrate;
whereinwax refers to a polymer compound having a melting point that is equal to or lower than 170°
C., and resin refers to a polymer compound that does not have a melting point or has a melting point that is higher than 170°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification