Metal chelate compounds and inks
View Patent ↗A metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; and M is a metal or boron; and n is 0 to 4; compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an ink jet printer cartridge containing the ink.
1. A compound of Formula (5) or (6):
wherein:
M is a metal; and
D is a group of Formula (2a), (2b), (2c), (2d) or (2e):
wherein:
Z is H, —OH, —Br, —Cl, —F, —CN, —NO 2 , —PO 3 H 2 , —SO 3 H, —CO 2 H, optionally substituted phosphoramide, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted aralkyl, —SR 1 , —SO 2 R 1 , —SO 2 NR 2 R 3 , —SOR 1 , —OR 1 , —C(O)R 1 , —C(O)OR 1 , —C(O)R 2 R 3 , —NR 2 R 3 , —NHCOR 1 ; and
Y is —CF 3 or any one of the groups defined for Z; and
wherein:
R 1 , R 2 and R 3 are each independently H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl or optionally substituted aralkyl; or
R 2 and R 3 together with the nitrogen to which they are attached form an optionally substituted 5- or 6- membered ring.
2. A compound according to claim 1 wherein Y is CO 2 H or H and Z is H.
3. A compound according to claim 1 or 2 wherein M is nickel.
4. A compound according to claim 1 having any one of the following formulae or a salt thereof, wherein M is nickel:
5. A compound according to claim 1 having the following formulae or a salt thereof, wherein M is nickel:
6. A composition comprising:
(a) one or more compound according to any one of claims 2 , 4 and 5 ; and
(b) one or more water-soluble dye other than a compound according to claim 1 .
7. An ink comprising:
(a) a compound according to any one of claims 2 , 4 and 5 ; and
(b) a liquid medium.
8. An ink according to claim 7 wherein the liquid medium comprises a mixture of water and an organic solvent.
9. A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink according to claim 7 .
10. A substrate printed by means of the process according to claim 9 .
11. An ink jet printer cartridge comprising a chamber and ink, wherein the ink is present in the chamber and the ink is as defined in claim 7 .
12. An ink jet printer containing an ink jet printer cartridge, wherein the ink jet printer cartridge is as defined in claim 11 .