Ink composition of inkjet recording and method thereof
An ink composition of inkjet recording which includes at least one surfactant containing benzophenone polyoxyethylene glycol-based compound, a colorant, and a solvent. A multi-color ink set that includes the ink composition of inkjet recording, a cartridge of inkjet recording, and an inkjet recording apparatus are also provided.
1. An ink composition of inkjet recording, the ink composition comprising:
at least one surfactant containing benzophenone polyoxyethylene glycol-based compound as illustrated in Chemical Formula 1 below;
a colorant; and
a solvent,
where R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 are each independently hydrogen, halogen, a carboxyl group, a cyano group, an amino group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 heteroalkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C4-C30 heteroaryl group, and X 1 and X 2 are each independently (CH 2 CH 2 O) n H, (CH(CH 3 )CH 2 ) n H or (CH 2 CH 2 O) m1 (CH(CH 3 )CH 2 ) m2 H, n and m1+m2 are each independently an integer of 1 to 10, and m1 and m2 are each independently an integer of 1 to 9.
2. The ink composition of claim 1 , wherein a content of benzophenon polyoxyethylene glycol-based compound is about 0.1 to about 20 parts by weight, a content of the colorant is about 0.1 to about 15 parts by weight, and a content of the solvent is about 70 to about 90 parts by weight respectively based on 100 parts by weight of a total weight of the ink composition.
3. The ink composition of claim 1 , wherein the surfactant further comprises at least one compound selected from the group consisting of compounds represented by Chemical Formula 2 through 5 illustrated below in a content of about 0.1 to about 15 parts by weight based on 100 parts by weight of a total weight of the ink composition;
where R 21 , R 22 , R 23 , R 24 , and R 25 are each independently hydrogen, halogen, a carboxyl group, a cyano group, an amino group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 hetero-alkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C4-C30 hetero-aryl group,
X 2 is a single bond, oxygen, sulphur, NR 26 , a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C1-C20 hetero-alkylene group, a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted C4-C30 heteroarylene group, a substituted or unsubstituted C2-C20 alkenylene group, a substituted or unsubstituted C2-C20 hetero-alkenylene group, a substituted or unsubstituted C3-C30 cycloalkylene group, a substituted or unsubstituted C7-C30 aralkylene group, a carbonyl group, or an ester group, and R 26 is hydrogen, halogen, substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 heteroalkyl group, and
I 2 and n 2 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 31 and R 32 are each independently the same as R 21 ,
X 3 is the same as X 2 , and
I 3 and n 3 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 47 , R 48 , R 49 , R 50 , R 51 , and R 52 are each independently the same as R 21 ,
X 41 and X 42 are each independently the same as X 2 , and
I 4 and n 4 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 56 , R 57 , R 58 , R 59 , R 60 , and R 61 are each independently the same as R 21 ,
Z 5 is the same as R 21 ,
X 51 , X 52 , X 53 and X 54 are each independently the same as X 2 , and
k 5 , I 5 , m 5 , and n 5 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1.
4. The ink composition of claim 3 , wherein the surfactant further comprises the compound of Chemical Formula 4.
5. The ink composition of claim 1 , wherein the ink composition has a viscosity of about 1.5 to about 20 cps.
6. The ink composition of claim 1 , wherein the ink composition has a dynamic surface tension of about 20 to about 40 dyne/cm at 0 Hz, and a dynamic surface tension difference between a dynamic surface tension at 15 Hz and that of at 0 Hz is 0 to about 30 dyne/cm.
7. The ink composition of claim 1 , wherein the colorant is a dye, a pigment, or a self-dispersing type pigment.
8. The ink composition of claim 1 , wherein the solvent is water, a water miscible organic solvent, or a mixture of these solvents.
9. The ink composition of claim 8 , wherein the water miscible solvent is at least one selected from the group consisting of a monohydric alcohol solvent, a ketone solvent, an ester solvent, a polyhydric solvent, a polyhydric alcohol derivative solvent, a nitrogen-containing solvent, and a sulfur-containing solvent.
10. The ink composition of claim 8 , wherein the content of the water-miscible solvent is about 0.1 to about 130 parts by weight based on 100 parts by weight of water.
11. A multi-color ink set having an ink composition of inkjet recording, wherein the ink composition comprises at least one surfactant containing benzophenone polyoxyethlene glycol-based compound as illustrated in Chemical Formula 1 below;
a colorant; and
a solvent,
where R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 are each independently hydrogen, halogen, a carboxyl group, a cyano group, an amino group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 heteroalkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C4-C30 heteroaryl group, and X 1 and X 2 are each independently (CH 2 CH 2 O) n H, (CH(CH 3 )CH 2 ) n H or (CH 2 CH 2 O) m1 (CH(CH 3 )CH 2 ) m2 H, n and m1+m2 are each independently an integer of 1 to 10, and m1 and m2 are each independently an integer of 1 to 9, wherein the multi-color ink set comprises at least two ink compositions having different colors from each other.
12. The multi-color ink set of claim 11 , wherein a content of benzophenon polyoxyethylene glycol-based compound is about 0.1 to about 20 parts by weight, a content of the colorant is about 0.1 to about 15 parts by weight, and a content of the solvent is about 70 to about 90 parts by weight respectively based on 100 parts by weight of a total weight of the ink composition.
13. The multi-color ink set of claim 11 , wherein the surfactant further comprises at least one compound selected from the group consisting of compounds represented by Chemical Formula 2 through 5 illustrated below in a content of about 0.1 to about 15 parts by weight based on 100 parts by weight of a total weight of the ink composition;
where R 21 , R 22 , R 23 , R 24 , and R 25 are each independently hydrogen, halogen, a carboxyl group, a cyano group, an amino group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 hetero-alkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C4-C30 hetero-aryl group,
X 2 is a single bond, oxygen, sulphur, NR 26 , a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C1-C20 hetero-alkylene group, a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted C4-C30 heteroarylene group, a substituted or unsubstituted C2-C20 alkenylene group, a substituted or unsubstituted C2-C20 hetero-alkenylene group, a substituted or unsubstituted C3-C30 cycloalkylene group, a substituted or unsubstituted C7-C30 aralkylene group, a carbonyl group, or an ester group, and R 26 is hydrogen, halogen, substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C1-C20 heteroalkyl group, and
I 2 and n 2 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 31 and R 32 are each independently the same as R 21 ,
X 3 is the same as X 2 , and
I 3 and n 3 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 47 , R 48 , R 49 , R 50 , R 51 , and R 52 are each independently the same as R 21 ,
X 41 and X 42 are each independently the same as X 2 , and
I 4 and n 4 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1;
where R 56 , R 57 , R 58 , R 59 , R 60 , and R 61 are each independently the same as R 21 ,
Z 5 is the same as R 21 ,
X 51 , X 52 , X 53 and X 54 are each independently the same as X 2 , and
k 5 , I 5 , m 5 , and n 5 are each independently an integer of 0 to 100, and at least one of them is 1 or an integer greater than 1.
14. The multi-color ink set of claim 13 , wherein the surfactant further comprises the compound of Chemical Formula 4.
15. The multi-color ink set of claim 11 , wherein the ink composition has a viscosity of about 1.5 to about 20 cps.
16. The multi-color ink set of claim 11 , wherein the ink composition has a dynamic surface tension of about 20 to about 40 dyne/cm at 0 Hz, and a dynamic surface tension difference between a dynamic surface tension at 15 Hz and that of at 0 Hz is 0 to about 30 dyne/cm.
17. The multi-color ink set of claim 11 , wherein the colorant is a dye, a pigment, or a self-dispersing type pigment.
18. The multi-color ink set of claim 11 , wherein the solvent is water, a water miscible organic solvent, or a mixture of these solvents.
19. A cartridge of inkjet recording, the cartridge comprises the multi-color ink set according to claim 11 .
20. An inkjet recording apparatus having the cartridge of inkjet recording according to claim 12 .