GB877293A - New water-insoluble monoazo-dyestuffs - Google Patents
New water-insoluble monoazo-dyestuffsInfo
- Publication number
- GB877293A GB877293A GB16068/58A GB1606858A GB877293A GB 877293 A GB877293 A GB 877293A GB 16068/58 A GB16068/58 A GB 16068/58A GB 1606858 A GB1606858 A GB 1606858A GB 877293 A GB877293 A GB 877293A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- dyes
- amino
- diazo
- residue
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention comprises dyes, free from acid groups imparting solubility in water, of formula: A-N=N-B where A is the residue of a benzenic or heterocyclic diazo-component and B is a benzene residue which contains in p-position to the azo link an amino group of which at least one H atom has been replaced by a cyanalkoxy-alkyl group. The dyes are made in conventional fashion from appropriate diazo and coupling components or by treating an appropriate N-oxyalkyl amino dye with acrylonitrile. Representative of indicated diazo components are aniline which may contain methyl, trifluoromethyl, acetyl, cyanethoxy, chlorine, carboxymethoxy, carboxylic acid amide, cyan, thiocyano, nitro, acylamino, methylsulphone and cyanethylsulphone groups, 2-amino-6-nitro- and -methoxy-benzthiazoles, 2-amino- 5-cyanothiazole and 2-amino-4-phenyl-thio (1)-diazole (3, 4). Preferred coupling components have the formula:- <FORM:0877293/IV(c)/1> where R1 is H, alkyl, oxyalkyl, alkoxyalkyl, acyloxy-alkyl, halogen- or cyano-alkyl or -CH2CH2OCH2CH2CNR2 is H, Hlg, alkyl CF3, alkoxy, cyanethoxy or acylamino and R3 is H, alkyl or alkoxy. Preferred are dyes in which A is:- <FORM:0877293/IV(c)/2> where V is N or <FORM:0877293/IV(c)/3> where R is a substituent and Z is the residue required to make I an aliphatic or aromatic five-membered ring. The dyes colour fibres and fabrics of cellulose esters or ethers, especially cellulose acetate and triacetate, fibres of linear polyesters and superpoly-urethanes or -amides. Examples are provided of the preparation of the dyes and their use in dyeing processes to produce red, blue and yellow shades.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH877293X | 1957-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB877293A true GB877293A (en) | 1961-09-13 |
Family
ID=4544518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16068/58A Expired GB877293A (en) | 1957-05-20 | 1958-05-19 | New water-insoluble monoazo-dyestuffs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB877293A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2002408A (en) * | 1977-07-25 | 1979-02-21 | Ciba Geigy Ag | Transfer printing dyes |
-
1958
- 1958-05-19 GB GB16068/58A patent/GB877293A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2002408A (en) * | 1977-07-25 | 1979-02-21 | Ciba Geigy Ag | Transfer printing dyes |
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