GB388009A - Manufacture of azo-dyestuffs - Google Patents
Manufacture of azo-dyestuffsInfo
- Publication number
- GB388009A GB388009A GB14045/31A GB1404531A GB388009A GB 388009 A GB388009 A GB 388009A GB 14045/31 A GB14045/31 A GB 14045/31A GB 1404531 A GB1404531 A GB 1404531A GB 388009 A GB388009 A GB 388009A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anisidide
- nitro
- dyestuffs
- aminodiphenylether
- chloranilide
- 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
- C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
- C09B29/18—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides
- C09B29/20—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides of the naphthalene series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
Azo dyes are made in substance on a substratum or on the fibre by coupling the diazo compound of an o-nitroaminodiarylether with an arylide of 2 : 3-oxynaphthoic acid or a derivative thereof further substituted in the naphthalene nucleus. In examples (1) the dyestuff 3-nitro-4-aminodiphenylether --> the b - naphthalide is prepared in substance, (2) cotton is impregnated with the p-chloranilide and developed with diazotized 4<1>-chloro - 3 - nitro - 4 - aminodiphenylether. Other diazo components specified are the 4<1>-bromo-or iodo- or 2<1> : 4<1>-dibromo-3-nitro-4-amino-diphenylether and other coupling components the anilide, o- and m-chloranilide, a -naphthalide, o-, m-, and p-toluidide, 4- and 5-chlor-2-toluidide, o- and p-anisidide, o- and p-phenetidide, 4-chlor-2-anisidide, di-anisidide, and 3 : 4- or 2 : 5-dichloranilide. The dyestuffs may be produced on wool, silk, and artificial silk.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH388009X | 1930-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB388009A true GB388009A (en) | 1933-02-16 |
Family
ID=4513856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14045/31A Expired GB388009A (en) | 1930-05-13 | 1931-05-12 | Manufacture of azo-dyestuffs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB388009A (en) |
-
1931
- 1931-05-12 GB GB14045/31A patent/GB388009A/en not_active Expired
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