Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method
An aqueous additive solution for an ink composition, containing a compound represented by general formula (A) as defined herein; a compound represented by general formula (II) as defined herein; and water, an aqueous colorant solution for an ink composition, containing a compound represented by general formula (A) as defined herein; a compound represented by general formula (II) as defined herein; water; and a colorant, and an ink composition containing a compound represented by general formula (A) as defined herein; a compound represented by general formula (II) as defined herein.
1. An aqueous additive solution for an ink composition, the aqueous additive solution comprising:
a compound represented by the following general formula (A);
a compound represented by the following general formula (II); and
water,
wherein, in general formula (A), T 1 , T 2 , and T 3 each independently represent *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , *—NH—CH 2 CH(OH)CH 2 -Rt, *-OM, a halogen atom, or a substituted or unsubstituted arylamino group, provided that at least one of T 1 , T 2 , or T 3 represents *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , or *—NH—CH 2 CH(OH)CH 2 -Rt; * represents a bonding site to a triazine ring, n represents an integer of 1 to 5, and Rt represents CO 2 M, SO 3 M, or PO(OM) 2 ; M represents a hydrogen atom or a counter cation; if a plurality of n are present, the plurality of n may be the same or different; and if a plurality of M are present, the plurality of M may be the same or different;
in general formula (II), Ar 20 represents a benzene ring or a naphthalene ring; R 21 to R 28 each independently represent a hydrogen atom or a substituent; R 21 and R 22 may be bonded to each other to form a ring; R 23 and R 24 may be bonded to each other to form a ring; R 25 and R 26 may be bonded to each other to form a ring; R 27 and R 28 may be bonded to each other to form a ring; R 29 represents a substituent; if Ar 20 represents a benzene ring, k represents an integer of 0 to 4; if Ar 20 represents a naphthalene ring, k represents an integer of 0 to 6; if a plurality of R 29 are present, the plurality of R 29 may be the same or different; and if a plurality of R 29 are present, the plurality of R 29 may be bonded together to form a ring; provided that the compound represented by general formula (II) has at least one hydrophilic group.
2. The aqueous additive solution for an ink composition according to claim 1 , wherein the compound represented by the general formula (A) is at least one compound selected from the following compound group (a):
wherein M in a compound of the compound group (a) represents a hydrogen atom or a counter cation; and if a plurality of M are present in the compound, the plurality of M may be the same or different.
3. The aqueous additive solution for an ink composition according to claim 1 , wherein at least one of R 21 to R 29 in the general formula (II) has an ionic hydrophilic group.
4. The aqueous additive solution for an ink composition according to claim 1 , wherein a content of the compound represented by the general formula (II) is 5.0% to 20.0% by mass based on a total mass of the aqueous additive solution for an ink composition.
5. The aqueous additive solution for an ink composition according to claim 1 , wherein a content of the compound represented by the general formula (A) is 0.01% to 1.0% by mass based on a total mass of the aqueous additive solution for an ink composition.
6. The aqueous additive solution for an ink composition according to claim 1 , further comprising a chelating agent.
7. The aqueous additive solution for an ink composition according to claim 6 , wherein a content of the chelating agent is 0.001% to 1.0% by mass based on a total mass of the aqueous additive solution for an ink composition.
8. The aqueous additive solution for an ink composition according to claim 1 , further comprising a preservative.
9. The aqueous additive solution for an ink composition according to claim 8 , wherein a content of the preservative is 0.01% to 1.0% by mass based on a total mass of the aqueous additive solution for an ink composition.
10. The aqueous additive solution for an ink composition according to claim 1 , further comprising a buffering agent.
11. The aqueous additive solution for an ink composition according to claim 1 , having a pH value of 6.5 to 9.0 at 25° C.
12. An aqueous colorant solution for an ink composition, the aqueous colorant solution comprising:
a compound represented by the following general formula (A);
a compound represented by the following general formula (II);
water; and
a colorant,
wherein, in general formula (A), T 1 , T 2 , and T 3 each independently represent *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , *—NH—CH 2 CH(OH)CH 2 -Rt, *-OM, a halogen atom, or a substituted or unsubstituted arylamino group, provided that at least one of T 1 , T 2 , or T 3 represents *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , or *—NH—CH 2 CH(OH)CH 2 -Rt; * represents a bonding site to a triazine ring, n represents an integer of 1 to 5, and Rt represents CO 2 M, SO 3 M, or PO(OM) 2 ; M represents a hydrogen atom or a counter cation; if a plurality of n are present, the plurality of n may be the same or different; and if a plurality of M are present, the plurality of M may be the same or different;
in general formula (II), Ar 20 represents a benzene ring or a naphthalene ring; R 21 to R 28 each independently represent a hydrogen atom or a substituent; R 21 and R 22 may be bonded to each other to form a ring; R 23 and R 24 may be bonded to each other to form a ring; R 25 and R 26 may be bonded to each other to form a ring; R 27 and R 28 may be bonded to each other to form a ring; R 29 represents a substituent; if Ar 20 represents a benzene ring, k represents an integer of 0 to 4; if Ar 20 represents a naphthalene ring, k represents an integer of 0 to 6; if a plurality of R 29 are present, the plurality of R 29 may be the same or different; and if a plurality of R 29 are present, the plurality of R 29 may be bonded together to form a ring; provided that the compound represented by general formula (II) has at least one hydrophilic group.
13. An ink composition comprising:
a compound represented by the following general formula (A);
a compound represented by the following general formula (II);
water; and
a colorant,
wherein, in general formula (A), T 1 , T 2 , and T 3 each independently represent *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , *—NH—CH 2 CH(OH)CH 2 -Rt, *-OM, a halogen atom, or a substituted or unsubstituted arylamino group, provided that at least one of T 1 , T 2 , or T 3 represents *—NH—(CH 2 ) n -Rt, *—NH—(CH 2 ) n —OH, *—N—{(CH 2 ) n —OH} 2 , or *—NH—CH 2 CH(OH)CH 2 -Rt; * represents a bonding site to a triazine ring, n represents an integer of 1 to 5, and Rt represents CO 2 M, SO 3 M, or PO(OM) 2 ; M represents a hydrogen atom or a counter cation; if a plurality of n are present, the plurality of n may be the same or different; and if a plurality of M are present, the plurality of M may be the same or different;
in general formula (II), Ar 20 represents a benzene ring or a naphthalene ring; R 21 to R 28 each independently represent a hydrogen atom or a substituent; R 21 and R 22 may be bonded to each other to form a ring; R 23 and R 24 may be bonded to each other to form a ring; R 25 and R 26 may be bonded to each other to form a ring; R 27 and R 28 may be bonded to each other to form a ring; R 29 represents a substituent; if Ar 20 represents a benzene ring, k represents an integer of 0 to 4; if Ar 20 represents a naphthalene ring, k represents an integer of 0 to 6; if a plurality of R 29 are present, the plurality of R 29 may be the same or different; and if a plurality of R 29 are present, the plurality of R 29 may be bonded together to form a ring; provided that the compound represented by general formula (II) has at least one hydrophilic group.
14. The ink composition according to claim 13 , wherein the compound represented by the general formula (A) is at least one compound selected from the following compound group (a):
wherein M in a compound of the compound group (a) represents a hydrogen atom or a counter cation; and if a plurality of M are present in the compound, the plurality of M may be the same or different.
15. The ink composition according to claim 13 , further comprising a chelating agent, wherein a content of the chelating agent is 0.001% to 1.0% by mass based on a total mass of the ink composition.
16. The ink composition according to claim 13 , further comprising a preservative.
17. The ink composition according to claim 16 , wherein a content of the preservative is 0.001% to 0.5% by mass based on a total mass of the ink composition.
18. The ink composition according to claim 13 , further comprising a buffering agent.
19. An ink jet recording method comprising: ejecting the ink composition according to claim 13 with a recording head for an ink jet process.