Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2001-01-03
2003-01-28
Klemanski, Helene (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031490, C106S031510, C106S031500, C106S031520, C106S031580, C008S661000, C008S664000, C008S676000, C008S680000, C008S681000, C008S682000, C008S684000, C008S128100
Reexamination Certificate
active
06511535
ABSTRACT:
The present invention relates to a method for printing fibrous textile materials using the ink-jet printing technique.
Ink-jet printing processes have been used in the textile industry for some years. Such processes make it possible to dispense with the otherwise customary production of a printing screen, so that considerable savings can be made in terms of cost and time. Especially in the case of the production of pattern originals it is possible to respond to a change in requirements within a significantly shorter period of time.
Such ink-jet printing processes should especially have optimum characteristics from the standpoint of application technology. In this connection mention may be made of characteristics such as the viscosity, stability, surface-tension and conductivity of the inks used. Furthermore, higher demands are being made of the quality of the resulting prints, e.g. in respect of colour strength and fastness to wetting. Those demands are not met by the known processes in all characteristics, so that there is still a need for new processes for the ink-jet printing of textiles.
The present invention relates to a process for printing fibrous textile materials in accordance with the ink-jet printing technique wherein the fibrous materials are printed with an aqueous ink that comprises at least one acid dye and that has a viscosity of from 1 to 40 mPa·s.
Suitable acid dyes for the process according to the invention include, for example, the dyes described under “Acid Dyes” in the Colour Index, 3 rd edition (3rd revision 1987 inclusive Additions and Amendments up to No. 85). The anionic dyes that can be used may belong to a wide variety of dye classes and may contain one or more sulfonic acid groups. They include, for example, triphenylmethane dyes having at least two sulfonic acid groups, heavy-metal-free monoazo and disazo dyes each having one or more sulfonic acid groups, and heavy-metal-containing, namely copper-, chromium-, nickel- or cobalt-containing, monoazo, disazo, azomethine and formazan dyes, especially metallised dyes, that contain two molecules of azo dye, or one molecule of azo dye and one molecule of azomethine dye, bonded to a metal atom, especially such dyes containing mono- and/or dis-azo dyes and/or azomethine dyes as ligands and a chromium or cobalt ion as central atom, as well as anthraquinone dyes, especially 1-amino-4-arylaminoanthraquinone-2-sulfonic acids and 1,4-diarylamino- or 1-cycloalkylamino-4-arylaminoanthraquinonesulfonic acids.
There come into consideration as anionic acid dyes, for example:
a) triphenylmethane dyes of formula
wherein
R
71
, R
72
, R
73
and R
74
are each independently of the others C
1
-C
4
alkyl and R
75
is C
1
-C
4
alkyl, C
1
-C
4
alkoxy or hydrogen;
b) monoazo and disazo dyes of formulae
wherein
R
76
is benzoylamino, phenoxy, chlorophenoxy, dichlorophenoxy or methylphenoxy, R
77
is hydrogen, benzoyl, phenyl, C
1
-C
4
alkyl, phenylsulfonyl or methylphenylsulfonyl, and the substituents R
78
are each independently of the other hydrogen or a phenylamino or N-phenyl-N-methylaminosulfonyl;
wherein
the phenyl ring B
10
may be substituted by halogen, C
1
-C
4
alkyl and sulfo and R
79
is &agr;-bromoacryloylamino;
wherein
R
76
has the meanings given above; and
c) 1:2 metal complex dyes, such as the 1:2 chromium complex dyes of the azo and azomethine dyes of formulae
wherein
R
80
is hydrogen, sulfo or phenylazo and R
81
is hydrogen or nitro, and the phenyl ring B
10
may be substituted by halogen, C
1
-C
4
alkyl and sulfo;
d) 1:2 metal complex dyes, such as the symmetric 1:2 chromium complex dyes of the azo dyes of formulae
wherein
the phenyl ring B
10
may be substituted by halogen, C
1
-C
4
alkyl and sulfo and R
82
and R
83
are each independently of the other hydrogen, nitro, sulfo, halogen, C
1
-C
4
alkylsulfonyl, C
1
-C
4
alkylaminosulfonyl or —SO
2
NH
2
; and
wherein
R
84
is hydrogen, C
1
-C
4
alkoxycarbonylamino, benzoylamino, C
1
-C
4
alkylsulfonylamino, phenyl-sulfonylamino, methylphenylsulfonylamino or halogen, R
85
is hydrogen or halogen and R
86
is C
1
-C
4
alkylsulfonyl, C
1
-C
4
alkylaminosulfonyl, phenylazo, sulfo or —SO
2
NH
2
, the hydroxy group in the benzo ring D
10
being bound in the o-position relative to the azo group on the benzo ring D
10
;
symmetric 1:2 cobalt complexes of the azo dyes of formulae
wherein
R
87
is an —OH or —NH
2
group, R
88
is hydrogen or C
1
-C
4
alkylaminosulfonyl and R
89
is nitro or C
1
-C
4
alkoxy-C
1
-C
4
alkyleneaminosulfonyl, and
asymmetric 1:2 chromium complex dyes of the azo dyes of formulae
wherein
one substituent R
90
is hydrogen and the other is sulfo;
wherein
R
81
is hydrogen or nitro, the phenyl rings B
10
may be substituted by halogen, C
1
-C
4
alkyl and sulfo and R
85
is hydrogen or halogen; and
wherein
the phenyl ring B
10
may in each case be substituted by halogen, C
1
-C
4
alkyl and sulfo, R
81
is hydrogen or nitro, R
91
is hydrogen, methoxycarbonylamino or acetylamino and R
86
is C
1
-C
4
alkylsulfonyl, C
1
-C
4
alkylaminosulfonyl, phenylazo, sulfo or —SO
2
NH
2
;
1:2 chromium complex dyes of the azo dyes of formulae (7) and (8);
1:2 chromium mixed complexes of the azo dyes of formulae (7) and (8); and
the copper complex of formula
wherein
the benzo rings D
20
are substituted by sulfo or by sulfonamido;
e) anthraquinone dyes of formulae
wherein
R
79
is &agr;-bromoacryloylamino, the substituents R
92
are each independently of the others hydrogen or C
1
-C
4
alkyl and R
93
is hydrogen or sulfo;
wherein
the substituents R
94
are each independently of the other cyclohexyl or a diphenyl ether radical that may be substituted by sulfo and by the radical —CH
2
—NH—R
79
in which R
79
has the meanings given above; and
wherein
R
79
is &agr;-bromoacryloylamino, R
92
has the meanings given for formula (15) and R
95
is C
4
-C
8
alkyl;
f) metal-free anionic anthraquinone dyes of formulae
wherein
(R
96
)
1-5
denotes from 1 to 5 identical or different substituents selected from the group C
1
-C
4
alkyl unsubstituted or substituted by C
2
-C
4
alkanoylamino (which may in turn be substituted in the alkyl group by halogen) or by benzoylamino; C
1
-C
4
alkoxy; C
2
-C
4
alkanoylamino and C
2
-C
4
hydroxyalkylsulfamoyl; R
97
is C
1
-C
4
alkyl, C
5
-C
7
cycloalkyl unsubstituted or substituted by C
1
-C
4
alkyl, or phenyl unsubstituted or substituted by phenoxy, C
1
-C
4
alkyl or by sulfo, the phenoxy group in turn being unsubstituted or substituted in the phenyl ring by C
1
-C
4
alkyl, C
1
-C
4
alkoxy, halogen or by sulfo, especially by C
1
-C
4
alkyl or by sulfo; R
98
and R
99
are each independently of the other C
1
-C
4
alkyl unsubstituted or substituted by C
2
-C
4
alkanoylamino (which may in turn be substituted in the alkyl group by halogen) or phenoxy unsubstituted or substituted in the phenyl ring by C
1
-C
4
alkyl, C
1
-C
4
alkoxy, halogen or by sulfo, especially by C
1
-C
4
alkyl or by sulfo; and
g) monoazo dyes of formulae
wherein
R
100
is halogen, trifluoromethyl or
in which R
103
is cyclohexyl and R
104
is C
1
-C
4
alkyl, or the radicals R
103
and R
104
, together with the nitrogen atom linking them, form an azepinyl ring; R
101
is hydrogen or halogen and R
102
is hydrogen or is phenoxy unsubstituted or substituted in the phenyl ring by halogen;
wherein
R
105
is hydrogen, halogen or sulfo; R
106
is hydrogen; halogen; phenoxy or phenoxysulfonyl unsubstituted or substituted in the phenyl ring by C
1
-C
4
alkyl, C
1
-C
4
alkoxy or by halogen; or a radical of formula
in which R
110
is phenyl unsubstituted or substituted by C
1
-C
4
alkyl, C
1
-C
4
alkoxy, halogen or by sulfo, R
111
is hydrogen or C
1
-C
4
alkyl and X
50
is halogen; R
107
is hydroxy or amino; and R
108
and R
109
are each independently of the other hydrogen or halogen;
wherein
R
112
and R
113
are each independently of the other hydrogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy, halogen or C
2
-C
4
alkanoylamino, prefer
Lacroix Roger
Mheidle Mickael
Scheibli Peter
Ciba Specialty Chemicals Corporation
Klemanski Helene
Mansfield Kevin T.
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