Process for Printing Cellulose Containing Textile Fibre Material

Abstract

The invention relates to a process for printing cellulose textile fibre material or cellulose/polyester mixed textile fibre material, characterised in that the fibre material is treated with a printing paste or printing ink containing a disperse dye of the formula

##STR00001##

wherein
R.sub.1-R.sub.3 are each independently of the other hydrogen, halogen, C.sub.1-C.sub.8-alkyl or C.sub.1-C.sub.8-alkoxy,
R.sub.4 denotes hydrogen, C.sub.1-C.sub.8-alkyl or a group of the formula SO.sub.2NR.sub.6R.sub.7,
wherein R.sub.6 and R.sub.7 each independently of the other denote hydrogen,
C.sub.1-C.sub.8-alkyl which is unsubstituted or substituted by hydroxy, halogen, C.sub.1-C.sub.8-alkoxy or C.sub.6-C.sub.24aryl, or
C.sub.6-C.sub.30aralkyl which is unsubstituted or substituted by hydroxy, C.sub.1-C.sub.8alkyl, C.sub.1-C.sub.8alkoxy or halogen,
R.sub.5 represents hydrogen, C.sub.1-C.sub.8-alkyl or a radical of the formula

##STR00002##

wherein R.sub.1-R.sub.4 are as defined above.

Claims

1. A process for printing cellulose textile fibre material or cellulose/polyester mixed textile fibre material, characterised in that the fibre material is treated with a printing paste or printing ink containing a disperse dye of the formula ##STR00007## wherein R.sub.1-R.sub.3 are each independently of the other hydrogen, halogen, C.sub.1-C.sub.8 alkyl or C.sub.1-C.sub.8 alkoxy, R.sub.4 denotes hydrogen, C.sub.1-C.sub.8 alkyl or a group of the formula SO.sub.2NR.sub.6R.sub.7, wherein R.sub.6 and R.sub.7 each independently of the other denote hydrogen, C.sub.1-C.sub.8 alkyl which is unsubstituted or substituted by hydroxy, halogen, C.sub.1-C.sub.8 alkoxy or C.sub.6-C.sub.24 aryl, or C.sub.6-C.sub.30 aralkyl which is unsubstituted or substituted by hydroxy, C.sub.1-C.sub.8 alkyl, C.sub.1-C.sub.8 alkoxy or halogen, R.sub.5 represents hydrogen, C.sub.1-C.sub.8 alkyl or a radical of the formula ##STR00008## wherein R.sub.1-R.sub.4 are as defined above.

2. The process according to claim 1, wherein R.sub.1-R.sub.3 in formulas (1)-(4) are C.sub.1-C.sub.8 alkyl, and wherein R.sub.1-R.sub.3 in formula (5) are each independently of the other hydrogen, halogen, C.sub.1-C.sub.8 alkyl or C.sub.1-C.sub.8 alkoxy.

3. The process according to claim 1, wherein R.sub.4 in formulas (1)-(4) denotes a radical of the formula SO.sub.2NR.sub.6R.sub.7, wherein R.sub.4 in formula (5) denotes hydrogen, C.sub.1-C.sub.8 alkyl or a group of the formula SO.sub.2NR.sub.6R.sub.7, and wherein R.sub.6 and R.sub.7 in R.sub.4 of formulas (1)-(5) are as defined in claim 1.

4. A process according to claim 1, characterised in that the fibre material is treated with a printing paste or printing ink containing a disperse dye of the formula (1), (2) or (3), wherein R.sub.5 is a radical of the formula (5) and wherein R.sub.1-R.sub.3 in formula (5) are C.sub.1-C.sub.8 alkyl.

5. A process according to claim 4, wherein R.sub.4 in formula (5) is SO.sub.2NR.sub.6R.sub.7.

6. A process according to claim 1, characterised in that the fibre material is treated with a printing paste or printing ink containing a disperse dye of the formula (1), wherein R.sub.1-R.sub.3 are C.sub.1-C.sub.8 alkyl, R.sub.4 is hydrogen or a radical of the formula SO.sub.2NR.sub.6R.sub.7, wherein R.sub.6 is hydrogen and R.sub.7 is 3-methoxypropyl, and R.sub.5 is a radical of the formula (5), wherein R.sub.1-R.sub.3 are C.sub.1-C.sub.8 alkyl and R.sub.4 is hydrogen or a radical of the formula SO.sub.2NR.sub.6R.sub.7, wherein R.sub.6 is hydrogen and R.sub.7 is 3-methoxypropyl.

7. The process of claim 1, characterised in that the fibre material is treated with a printing paste according to the screen printing method.

8. The process of claim 1, characterised in that the fibre material is treated with a printing ink according to the inkjet printing method.

9. The process according to claim 8, wherein the fibre material in a first step is treated with a water-soluble organic solvent having a boiling point >150 C. and subsequently is printed with an aqueous ink comprising at least one disperse dye of the formula (1), (2), (3) or (4).

10. The process according to claim 9, characterised in that a drying step is applied after the treatment with the water-soluble organic solvent.

Description

EXAMPLE 1

[0038] A cotton fabric (Reference Nr. 1-3011, CO-crettone bleached, 135 g/m.sup.2, 30/30 tex) is padded at room temperature with an aqueous formulation containing 200 g/l of MACROGOL 400 EF (PEG, average molecular weight M.sub.w=400, supplied by Brenntag), 40 g/l PREPAJET UNI (inkjet auxiliary, polyacrylic acid derivative, supplied by Huntsman) and 1 g/l ALBATEX AR (levelling agent, supplied by Huntsman) with a pick-up rate of 70-85%. After drying at 80-100 C. for 10 min, the thus prepared fabric is printed by ink-jet with an aqueous ink containing [0039] 4.38% by weight of a disperse dye of formula (102) [0040] 30.0% by weight of glycerol (85%) [0041] 4.28% by weight of a commercial water-soluble polymeric dispersant, [0042] 1.00% by weight of a commercial tenside, [0043] 0.26% by weight of a commercial defoamer, and [0044] 60.07% by weight of deionized water.

[0045] After drying at 80-100 C. for 10 min, the printed fabric is fixed at 200 C. for 90 s.

[0046] After cooling down, the printed fabric is rinsed with cold soft water and finally washed with a solution of 1 g/l commercial tenside, rinsed and dried.

[0047] Deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained.

[0048] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or if it is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 2

[0049] The same procedure as described in Example 1 is applied to a cotton/polyester fabric (Reference Nr. 7-3014, CO/PES 33/67, fixed, bleached, mercerized, 208 g/m.sup.2, 30/30 tex) instead of a cotton fabric.

[0050] Similarly to cotton, deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained on cotton/polyester fabric.

[0051] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 3

[0052] The same procedure as described in Example 1 is applied using an aqueous ink containing [0053] 3.24% by weight of a disperse dye of formula (101) [0054] 40.0% by weight of glycerol (85%) [0055] 4.50% by weight of a mixture of commercial water-soluble polymeric dispersants, [0056] 1.00% by weight of a commercial tenside, and [0057] 51.26% by weight of deionized water.

[0058] After drying at 80-100 C. for 10 min, the printed fabric is fixed at 200 C. for 90 s.

[0059] After cooling down, the printed fabric is rinsed with cold soft water and finally washed with a solution of 1 g/l commercial tenside, rinsed and dried.

[0060] Deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained.

[0061] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 4

[0062] The procedure described in Example 3 is applied to a cotton/polyester fabric (Reference Nr. 7-3014, CO/PES 33/67, fixed, bleached, mercerized, 208 g/m.sup.2, 30/30 tex) instead of a cotton fabric.

[0063] Similarly to cotton, deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained on cotton/polyester fabric.

[0064] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 5

[0065] Standard screen printing paste (flat bed or rotary) is applied according to a method similar to that described in WO2005/024123. Fixing and washing conditions are similar to those mentioned in Examples 1-4.

[0066] A stock paste P1 containing [0067] 84.9% by weight of deionized water, [0068] 10.0% by weight of Macrogol 400 EF, [0069] 5.0% by weight of a commercial thickener, and [0070] 0.1% by weight of a reduction inhibitor
is prepared.

[0071] A cotton fabric (Reference Nr. 1-3011, CO-crettone bleached, 135 g/m.sup.2, 30/30 tex) is screen printed at room temperature with a printing paste containing [0072] 88.66% by weight of stock paste P1, [0073] 1.50% by weight of a disperse dye of formula (102), [0074] 0.44% by weight of a commercial surfactant, [0075] 0.88% by weight of a glycol derivative, [0076] 0.01% by weight of a commercial defoamer, and [0077] 8.52% by weight of deionized water

[0078] After drying at 80-100 C. for 10 min, the printed fabric is fixed at 200 C. for 90 s.

[0079] After cooling down, the printed fabric is rinsed with cold soft water and finally washed with a solution of 1 g/l commercial tenside, rinsed and dried.

[0080] Deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained.

[0081] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or if it is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 6

[0082] The same procedure as described in Example 5 is applied to a cotton/polyester fabric (Reference Nr. 7-3014, CO/PES 33/67, fixed, bleached, mercerized, 208 g/m.sup.2, 30/30 tex) instead of a cotton fabric.

[0083] Similarly to cotton, deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained on cotton/polyester fabric.

[0084] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 7

[0085] The same procedure as described in Example 5 is applied using a stock paste P2 containing [0086] 82.52% by weight of deionized water, [0087] 12.40% by weight of Macrogol 400 EF, [0088] 4.98% by weight of a commercial thickener, and [0089] 0.10% by weight of a reduction inhibitor
and a printing paste containing [0090] 75.90% by weight of stock paste P2, [0091] 2.00% by weight of a disperse dye of formula (101), [0092] 0.59% by weight of a commercial surfactant, [0093] 1.17% by weight of a glycol derivative, [0094] 0.02% by weight of a commercial defoamer, and [0095] 20.33% by weight of deionized water

[0096] After drying at 80-100 C. for 10 min, the printed fabric is fixed at 200 C. for 90 s.

[0097] After cooling down, the printed fabric is rinsed with cold soft water and finally washed with a solution of 1 g/l commercial tenside, rinsed and dried.

[0098] Deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained.

[0099] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

EXAMPLE 8

[0100] The same procedure as described in Example 7 is applied to a cotton/polyester fabric (Reference Nr. 7-3014, CO/PES 33/67, fixed, bleached, mercerized, 208 g/m.sup.2, 30/30 tex) instead of a cotton fabric.

[0101] Similarly to cotton, deep blue prints of high color strength having good all-round fastness properties, especially washfastness, rubbing fastness and light fastness, are obtained on cotton/polyester fabric.

[0102] Similar results and properties are obtained if the dried print is fixed at lower temperature with longer fixation time or is fixed with superheated steam at 180 C. for 8 min.

TABLE-US-00001 TABLE 1 Color Coordinates and color depth measured according to the norm CIELAB 1976/DIN 6174, with D65/10 (Illuminant/Observer) L RD (Light- C* H (Reference Example # ness) a* b* (Chroma) (Hue) Depth) Example 1 43.99 8.29 47.58 48.30 279.88 0.48 Example 2 49.36 4.73 41.14 41.41 276.55 0.29 Example 3 40.00 0.00 43.53 43.53 270.01 0.72 Example 4 41.99 0.41 41.69 41.69 269.44 0.28 Example 5 41.73 5.00 40.67 40.98 277.00 0.52 Example 6 38.77 6.65 39.96 40.51 279.45 0.62 Example 7 37.62 0.29 37.04 37.05 269.55 0.74 Example 8 36.23 0.08 38.28 38.28 270.11 0.85