DE1419811C - Process for the preparation of monoazo dyes and their use for dyeing - Google Patents
Process for the preparation of monoazo dyes and their use for dyeingInfo
- Publication number
- DE1419811C DE1419811C DE1419811C DE 1419811 C DE1419811 C DE 1419811C DE 1419811 C DE1419811 C DE 1419811C
- Authority
- DE
- Germany
- Prior art keywords
- dyeing
- preparation
- monoazo dyes
- formula
- dyes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000975 dye Substances 0.000 title claims description 5
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- 238000004043 dyeing Methods 0.000 title description 2
- -1 2,4-dicyanophenyl Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N sulfonic acid Chemical group OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
Description
5555
den Vorteil der besseren Sublimierechtheit der Färbungen auf Polyestermaterialien und der erfindungsgemäße Farbstoff der Formelthe advantage of the better fastness to sublimation of the dyeings on polyester materials and that according to the invention Dye of the formula
N = NN = N
N(CH2CH2COOCH3)2 N (CH 2 CH 2 COOCH 3 ) 2
6060
den Vorteil der besseren Lichtechtheit der Färbungen auf Polyestermaterialien.the advantage of the better lightfastness of the dyeings on polyester materials.
Gegenüber nächstvergleichbaren Farbstoffen der USA.-Patentschrift 2 373 700 zeichnen sich die erfin-Ar —N Compared to the closest comparable dyes of US Pat. No. 2,373,700, the inventions Ar —N
worin Ar einen gegebenenfalls substituierten Ary lenrest bedeutet und die Substituenten X eine niedere Alkylengruppe darstellen, welche eine Carboxylgruppe oder eine mit einem niederen aliphatischen Alkohol veresterte Carboxylgruppe trägt, kuppelt, und für den FaU, daß X eine Carboxylgruppe trägt, das Kupplungsprodukt mit einem niederen aliphatischen Alkohol verestert. 2. Verwendung der nach Anspruch 1 herstell' baren Farbstoffe zum Färben von Materialien aus aromatischen Polyertem. where Ar denotes an optionally substituted aryl group and the substituents X represent a lower alkylene group which carries a carboxyl group or a carboxyl group esterified with a lower aliphatic alcohol, couples, and if X bears a carboxyl group, the coupling product with a lower aliphatic Esterified alcohol. 2. Use of the dyes according to claim 1 herstell ' ble for dyeing materials made of aromatic polyertems.
Claims (1)
Family
ID=
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