GB731448A - Monoazo dyestuffs and process for their manufacture - Google Patents
Monoazo dyestuffs and process for their manufactureInfo
- Publication number
- GB731448A GB731448A GB22079/52A GB2207952A GB731448A GB 731448 A GB731448 A GB 731448A GB 22079/52 A GB22079/52 A GB 22079/52A GB 2207952 A GB2207952 A GB 2207952A GB 731448 A GB731448 A GB 731448A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bromo
- ethyl
- methyl
- alkyl
- cyanoethyl
- 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 dyestuffs of formula <FORM:0731448/IV (c)/1> where X is H, Br, an alkyl or a SO2-alkyl group, Y is H or an alkyl group and Z is an alkyl or hydroxyalkyl group. They are made by coupling, preferably under acidic conditions, the appropriate nitrobenzene amine with the required tertiary amine. Specified nitrobenzene amines are 1 - amino - 2,6 - dibromo -, -2-bromo - 6 - chloro -, - 2 - bromo - 6 - alkylsulphonyl -, - 2 - bromo - 6 - alkyl - (e.g. methyl)- and -2-bromo-4-nitrobenzenes. Specified tertiary amines are N-methyl-, N-ethyl- and N-hydroxy-ethyl, -propyl and -butyl, -N-cyanoethylaminobenzene, N-methyl-, N-ethyl- and N-hydroxyethyl-N-cyanomethylaminobenzene, 1 - (N - methyl - N - cyanoethyl)-, 1 - (N - ethyl - N-cyanoethyl and 1-(N-hydroxyethyl-N-cyanoethyl)-amino-3-methylbenzene. Acetate rayon, polyamide or polyester fibres are dyed in yellowish brown to red shades. Examples describe the use of some of the components specified above in the preparation of dyestuffs which are used to dye acetate rayon.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH731448X | 1951-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB731448A true GB731448A (en) | 1955-06-08 |
Family
ID=4532395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22079/52A Expired GB731448A (en) | 1951-09-04 | 1952-09-02 | Monoazo dyestuffs and process for their manufacture |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB731448A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042478A (en) * | 1958-04-30 | 1962-07-03 | Sandoz Ltd | Process of dyeing and printing polyethylene glycol terephthalate fibers with disperse dyestuffs |
| CN106118132A (en) * | 2016-06-20 | 2016-11-16 | 浙江工业大学上虞研究院有限公司 | A kind of disperse dye composition and application thereof |
-
1952
- 1952-09-02 GB GB22079/52A patent/GB731448A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042478A (en) * | 1958-04-30 | 1962-07-03 | Sandoz Ltd | Process of dyeing and printing polyethylene glycol terephthalate fibers with disperse dyestuffs |
| CN106118132A (en) * | 2016-06-20 | 2016-11-16 | 浙江工业大学上虞研究院有限公司 | A kind of disperse dye composition and application thereof |
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