Patent GB-927772-A (GB)
Title: New textile colouring process
Inventor: GAMLEN GEORGE ALBERT
IPC: C09B43/16
Filed: 1959-09-24
Abstract: Textile materials are dyed or printed with a dyestuff containing at least one group -A-Z, in which A represents an oxygen or sulphur atom or an NY group, wherein Y is a hydrogen atom or a substituted or unsubstituted alkyl radical or a cycloalkyl radical, and Z represents a heterocyclic ring which contains at least one <FORM:0927772/IV(a)/1> group and which is attached to A through a carbon atom of the heterocyclic ring, and which carries attached to a carbon atom or atoms of the heterocyclic ring at least one group <FORM:0927772/IV(a)/2> wherein R1 and R2 each represent a methyl radical and R3 represents a substituted or unsubstituted aliphatic hydrocarbon radical, or at least two of R1, R2 and R3 are joined or fused together to form with the nitrogen atom N a heterocylic ring or rings so that the nitrogen atom is linked to carbon atoms present in the heterocylic ring or rings through either single bonds or through a single bond and a double bond, provided that the <FORM:0927772/IV(a)/3> group is free from sulphonic acid groups.  The dyestuff may be of the monoazo, polyazo, nitro, anthraquinone or phthalocyanine series, if desired containing water-solubilizing groups and co-ordinately bound metal.  Specified heterocyclic rings Z are quinazoline, phthalazine, pyridine, quinoline, pyrimidine and 1:3:5-triazine rings, and in the case of pyrimidine and 1:3:5-triazine rings carrying only one <FORM:0927772/IV(a)/4> group, additional substituents, many of which are specified, may also be carried.  Specified radicals R3 are alkenyl radicals such as allyl, and various alkyl radicals, if desired substituted by hydroxyl, alkoxy, aryl, alkylamino or carboxy groups. Specified heterocyclic rings formed by joining at least two of the groups R1, R2 and R3 and the nitrogen atom N so that the nitrogen atom is joined to the carbon atoms of the heterocyclic rings through single bonds are pyrrolidine, pyrroline, piperidine, morpholine, piperazine and pyrrole rings, but it is preferred that R1, R2 and R3 are joined together to form with the nitrogen atom N a polycyclic heterocyclic ring structure in which the nitrogen atom N is common to at least 2 of the rings present in the structure, and in this respect pyrrolizidine, 1-azabicyclo-(2:2:1)-heptane, quinuclidine, 1-azabicyclo-(3:2:1)-octane, 1-azabicyclo-(3:2:2)-nonane, 1-isogranatanine, conidine, 1:5-diazabicyclo-(3:3:1)-nonane, julolidine, hexahydrojulolidine and lilolidine rings, and above all the 1:4-diazabicyclo-(2:2:2)-octane ring <FORM:0927772/IV(a)/5> are specified.  Specified heterocyclic rings formed by joining or fusing together at least two of the groups R1, R2 and R3 so that the nitrogen atom N is joined to carbon atoms of the heterocyclic rings through a single bond and a double bond are isoquinoline and pyridine rings, which may be substituted. p  The process is applicable to textiles of natural or artificial cellulose fibres, wool, silk, cellulose acetate and triacetate, polyamides, polyesters and polyacrylonitrile.  Dyeing may be effected at temperatures up to or above 100 DEG C., and especially in the case of the dyeing or printing of cellulose textiles, treatment with an acid-binding agent is applied before, together with or after the application of the dyestuff.  Printing is followed by heating or steaming.  The dyestuff may also be applied together with an acid catalyst and a resin forming composition (many examples of which are specified) and finally baked whereby the textiles are simultaneously coloured and rendered resistant to creasing.  The dyestuffs may be prepared, in substance or on the fibre, from a dyestuff compound containing at least one group -A-Z1, in which Z1 is the heterocyclic ring carrying at least one labile halogen atom, and a tertiary amine of the formula NR1R2R3, and long lists of dyestuffs are given.  Specifications 209,723, 298,494, 467,815, 503,609, 772,030, 774,925, 775,308, 780,591, 781,930, 784,221, 785,120, 785,222, 802,935, 803,473, 805,562, 822,047, 822,948,825,377, 826,405, 829,042, 832,400, 833,396, 834,304, 836,248, 836,647, 837,035, 837,124, 837,953, 837,985, 838,311, 838,338, 838,340, 838,341, 838,342, 838,344, 838,345, 843,985, 846,765, 846,949, 847,635, 849,772, 869,279, 870,985 and 872,249 are referred to.