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US 2006/0070549 A1Published application
Self-dispersible colorant and ink composition containing the same
AssigneeSamsung Electronics Co., Ltd.
InventorsYeon-kyoung Jung, Seung-min Ryu
Life of this patent
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Abstract
A self-dispersing colorant containing a triazine moiety and an ink composition including the same are disclosed. The ink composition has excellent storage ability. Further, images formed using the ink composition have excellent light fastness and excellent water resistance.
Claims13
A self-dispersing colorant represented by formula 1:
- , where A is a colorant residue;
- R1 and R2 are each independently chemical bonding, a substituted or unsubstituted C1-C10 alkylene group, a substituted or unsubstituted C6-C10 arylene group, a substituted or unsubstituted C2-C10 heteroarylene group, or a substituted or unsubstituted C4-C10 cycloalkylene group;
- X1 and X2 are each independently a carboxylic acid group, a salt thereof, a sulfonic acid, a salt thereof, or an amino group;
- and
- m is an integer between 1 and 10.
2 more elements
An ink composition comprising a liquid medium and a self-dispersing colorant represented by formula 1:
- , where A is a colorant residue;
- R1 and R2 are each independently chemical bonding, a substituted or unsubstituted C1-C10 alkylene group, a substituted or unsubstituted C6-C10 arylene group, a substituted or unsubstituted C2-C10 heteroarylene group, or a substituted or unsubstituted C4-C10 cycloalkylene group;
- X1 and X2 are each independently a carboxylic acid group, a salt thereof, a sulfonic acid, a salt thereof, or an amino group;
- and
- m is an integer between 1 and 10.
2 more elements
A method of manufacturing an ink composition, comprising:
- combining a liquid medium with a self-dispersing colorant represented by Formula 1:
- , where A is a colorant residue;
- R1 and R2 are each independently chemically bonded a substituted or unsubstituted C1-C10 alkylene group, a substituted or unsubstituted C6-C10 arylene group, a substituted or unsubstituted C2-C10 heteroarylene group, or a substituted or unsubstituted C4-C10 cycloalkylene group;
- X1 and X2 are each independently a carboxylic acid group, a salt thereof, a sulfonic acid, a salt thereof, or an amino group;
- and
- m is an integer between 1 and 10 wherein the self-dispersing colorant is in a range of 1 to 40 parts by weight based on 100 parts by weight of the liquid medium;
- and
- filtering the self-dispersing colorant and the liquid medium.
5 more elements
Dependencies are inferred from the claim text.