Claims
- 1. An ink comprising a liquid medium and a water soluble dye present in an amount ranging from 0.5 to 20% by weight, free from cellulose reactive groups, of the formula: ##STR10## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,
- R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, or
- R.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ring,
- a and b are different and are from 2 to 8,
- m is from 1 to 10,
- n is from 0 to 9,
- g is 1/2 or 1,
- p is 1 or 2,
- L is chromium, cobalt, copper or a mixture thereof,
- M is H, ammonium, sodium, potassium or lithium,
- Q is H or SO.sub.3 M,
- T is H or C.sub.1-4 -alkyl,
- D is a phenylazo or naphthylazo group each of which is unsubstituted or substituted by a group selected from sulphonate; carboxylate; C.sub.1-4 -alkyl; C.sub.1-4 -alkoxy; ureido; mono- and di-C.sub.1-4 -alkylamino aminosulphonyl; mono- and di-C.sub.1-4 -alkylaminosulphonyl; aminocarbonyl; mono- or di-C.sub.1-4 -alkylaminocarbonyl; phenylamino; C.sub.1-4 -alkylcarbonylamino; hydroxy, nitro and halogen,
- E is H, C.sub.1-4 -alkyl, halogen and aminosulphonyl,
- B and F are H,
- provided that: when p=1
- X is selected from (i) NR.sup.1 R.sup.2 ; (ii) NR.sup.3 R.sup.4 ; (iii) OR.sup.3 ; and (iv) a monoazo chromophore, derived from a benzene or naphthalene diazo component and a benzene, naphthalene or mono-heterocyclic coupling component and linked to the triazine group through a group --NR.sup.5 -- in which R.sup.5 is selected from H, C.sub.1-4 -alkyl and phenyl; and
- R.sup.3 and R.sup.4 are each independently selected from H, C.sub.1-4 -alkyl, phenyl, naphthyl and phenyl or naphthyl substituted by a group selected from C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkyl-carbonylamino, ureido, mono- and di-C.sub.1-4 -alkylamino, nitro, phenylamino, halogen, carboxylate, sulphonate, hydroxy and unsubstituted and mono- and di-alkylamino-sulphonyl and carbonyl;
- and when p=2
- X is --NR.sup.3 --Z--NR.sup.3 --; and
- Z is selected from C.sub.1-6 -alkylene; phenylene; biphenylene; C.sub.1-4 -alkylenephen-4-ylene; C.sub.1-6 -alkylene, phenylene, biphenylene or C.sub.1-4 -alkylenephen-4-ylene interrupted by a group selected from CH.sub.2, O, S, NR.sup.3 and SO.sub.2 ; and C.sub.1-6 -alkylene; phenylene, biphenylene; C.sub.1-4 -alkylenephen-4-ylene interrupted by a group selected from CH.sub.2, O, S, NR.sup.3 and SO.sub.2 and substituted by a group selected from C.sub.1-4 alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 alkyl-carbonylamino, ureido, mono- and di-C.sub.1-4 -alkylamino, nitro, phenylamino, halogen, carboxylate, sulphonate, hydroxy NH.sub.2 SO.sub.2 --, NH.sub.2 CO-- and mono- and di-alkylaminosulphonyl and carbonyl.
- 2. An ink according to claim 1 wherein NR.sup.1 R.sup.2 is selected from hydroxyethyamino, di(hydroxyethyl)amino and morpholino.
- 3. An ink according to claim 1 wherein R.sup.1 is hydroxyethyl; R.sup.2, B, F and T are H; Q is SO.sub.3 Na; p=1; L is copper; q=1; E is CH.sub.3 ; D is 2,5-disulphophenylazo (Na salt); X is 2-methyl-5-sulphophenylamino (Na salt) and M is Na.
- 4. An ink according to claim 1 wherein R.sup.1 is hydroxyethyl, R.sup.2, T, B and F are H, E is CH.sub.3, M is K, L is copper, Q is SO.sub.3 K, q=1, p=1, D is 2,5-disulphophenylazo (K salt) and X is 5-hydroxy-6-(2-sulphophenyl-azo)-7-sulpho-naphth-2-ylimino (K salt).
- 5. An ink according to claim 1 wherein R.sup.1 is hydroxyethyl; R.sup.2, B, F, Q and T are H; E is CH.sub.3 ; D is 2,5-disulphophenylazo (K salt); M is K; L is copper; q=1; p=1 and X is 5-hydroxy-6-(2-sulphophenyl-azo)-7-sulpho-naphth-2-ylamino (K salt).
- 6. An ink comprising a dye according to claim 1 suitable for a recording system of the type in which the ink is ejected from a small orifice in the form of a droplet directed towards a recording substrate on which an image is to be formed.
- 7. An ink according to claim 1 wherein the dye is dissolved in water or in water and a water-soluble organic solvent.
- 8. An ink according to claim 7 wherein the water soluble solvent is a polyhydric alcohol.
- 9. An ink according to claim 1 wherein X is NR.sup.3 R.sup.4 or OR.sup.3 and R.sup.3 is H or C.sub.1-4 -alkyl and R.sup.4 is selected from H, C.sub.1-4 -alkyl and phenyl or naphthyl carrying a sulphonic acid group, SO.sub.3 M, or phenyl or naphthyl carrying a sulphonic acid group and a group selected from C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylcarbonylamino, ureido, mono- and di-C.sub.1-4 -alkylamino, phenylamino, nitro, halogen, carboxylate, sulphonate and hydroxy.
- 10. An ink according to claim 9 wherein X is selected from NH.sub.2, OCH.sub.3, 3-sulpho-4-nitrophenylimino, 3,5-disulphophenylimino, 2-methyl-5-sulphophenylimino, 3-sulphophenylimino and 2-sulpho-5-methylphenylimino.
- 11. An ink according to claim 1 wherein X is a monoazo chromophore linked to the triazine group through a group --NR.sup.5 --, in which the chromophore is selected from phenylazobenzene, phenylazo-naphthalene, naphthylazobenzene, naphthylazonaphthalene carrying two or three sulphonic acid groups and phenylazobenzene, phenylazo-naphthalene, naphthylazobenzene, naphthylazonaphthalene carrying two or three sulphonic acid groups and a group selected from C.sub.1-4 -alkyl, nitro, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylcarbonylamino, ureido, halogen, hydroxy, mono- and di-C.sub.1-4 -alkylamino and phenylamino.
- 12. An ink according to claim 11 wherein X is selected from 5-hydroxy-6-(2-sulphophenylazo)-7-sulphonaphth-2-ylimino.
- 13. An ink according to claim 1 wherein Z is selected from ethylene, hexamethylene, --SO.sub.2 CH.sub.2 --, --(CH.sub.2).sub.2 O(CH.sub.2).sub.2 --, --C.sub.2 H.sub.4 SO.sub.2 C.sub.2 H.sub.4 --, 2,2'-disulpho-4,4'-diiminostilben-4,4'-ylene, stilben-4,4'-ylene, 4-(eth-2-ylene)phenylene, phen-1,4-ylene, phen-1,4-ylenesulphonyl, 2,2'-disulphodiphen-4,4'-ylene, diphen-4,4'-ylene, diphen-4,4'-ylene ether and di(phen-4,4'-ylene)methane.
- 14. An ink according to claim 1 wherein X is selected from hydroxyethylamino, di(hydroxyethyl)amino and morpholino.
- 15. An ink according to claim 1 carrying 5 or 6 sulphonic acid groups.
- 16. An ink comprising a mixture of the dye according to claim 1 and a dye of the formula: ##STR11## wherein R.sup.1, R.sup.2, p, Q, M and X are as defined in claim 1; B.sup.1 ; D.sup.1, E.sup.1, F.sup.1 and G.sup.1, are selected from H; --SO.sub.3 M; NHCOCH.sub.3 ; --COOM; mono- and di-C.sub.1-4 -alkylamino; C.sub.1-4 -alkyl; C.sub.1-4 -alkoxy; ureido; hydroxy; nitro and halogen or B.sup.1 and D.sup.1 form a second benzene ring fused to ring A which is unsubstituted or substituted by a group selected from H; --SO.sub.3 M; NHCOCH.sub.3 ; --COOM; mono- and di-C.sub.1-4 -alkylamino; C.sub.1-4 -alkyl; C.sub.1-4 -alkoxy; ureido; hydroxy; nitro and halogen, provided that neither F.sup.1 or G.sup.1 is hydroxy; and
- J is selected from: ##STR12## wherein T is H, alkyl or phenyl;
- W is an acyl group selected from the group consisting of aminocarbonyl, aminosulphonyl, C.sub.1-4 -alkylcarbonyl, C.sub.1-4 -alkylsulphonyl, phenylcarbonyl and phenylsulphonyl; and
- V is alkyl or alkoxy.
- 17. An ink mixture according to claim 16 wherein:
- R.sup.1 is hydroxyethyl; R.sup.2, B, F and T are H; Q is SO.sub.3 Na; p=1; L is copper; q=1; E is CH.sub.3 ; D is 2,5-disulphophenylazo (Na salt); X is 2-methyl-5-sulphophenylamino (Na salt) and M is Na; and
- J is 1-hydroxy-3-sulpho-6-imino-naphth-2-yl (Na salt); B.sup.1 and D.sup.1 form a second benzene ring fused to Ring A' and carrying an SO.sub.3 Na group in the position adjacent to the point where D.sup.1 is attached to Ring A; E.sup.1, F.sup.1 and R.sup.2 are H; R.sup.1 is hydroxyethyl; p=1; X is 4,4'-dimino-2,2'-disulphodiphenyl (Na salt) and G.sup.1 is SO.sub.3 Na.
Priority Claims (3)
Number |
Date |
Country |
Kind |
8421556 |
Aug 1984 |
GBX |
|
8507005 |
Mar 1985 |
GBX |
|
8507310 |
Mar 1985 |
GBX |
|
Parent Case Info
This is a division of application Ser. No. 764,997, filed Aug. 12, 1985, now U.S. Pat. No. 4,705,758.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
2643996 |
Widmer et al. |
Jun 1953 |
|
4010150 |
Tabei et al. |
Mar 1977 |
|
4337195 |
Vater et al. |
Jun 1982 |
|
Foreign Referenced Citations (3)
Number |
Date |
Country |
0168961 |
Jan 1986 |
EPX |
56-143275 |
Nov 1981 |
JPX |
1457767 |
Dec 1976 |
GBX |
Non-Patent Literature Citations (1)
Entry |
EP 11873, Bayer, Derwent Abst. 41902C. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
764997 |
Aug 1985 |
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