Ink composition and method for inkjet recording using the same
First Claim
1. An ink composition comprising a colorant, glycerin, a glycol compound, and water,the colorant being a surface-modified pigment dispersible and/or dissolvable in water without any dispersant, the glycerin being present in an amount of 3 to 30% by weight based on the ink composition, the glycol compound being present in an amount of 1 to 20% by weight based on the ink composition and having a molecular weight of 170 to 2,500.
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Abstract
An ink composition containing a surface-modified pigment is provided which can realize anti-clogging properties and images having high print density. The ink composition comprises at least a colorant, glycerin, a glycol compound, and water, the colorant being a surface-modified pigment dispersible and/or dissolvable in water without any dispersant, the glycerin being contained in an amount of 3 to 30% by weight based on the ink composition, the glycol compound being contained in an amount of 1 to 20% by weight based on the ink composition and having a molecular weight of 130 to 3,000.
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19 Claims
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1. An ink composition comprising a colorant, glycerin, a glycol compound, and water,
the colorant being a surface-modified pigment dispersible and/or dissolvable in water without any dispersant, the glycerin being present in an amount of 3 to 30% by weight based on the ink composition, the glycol compound being present in an amount of 1 to 20% by weight based on the ink composition and having a molecular weight of 170 to 2,500.
Specification