GB435249A - Improvements in or relating to the production of water soluble basic azo dyestuffs - Google Patents
Improvements in or relating to the production of water soluble basic azo dyestuffsInfo
- Publication number
- GB435249A GB435249A GB19156/35A GB1915635A GB435249A GB 435249 A GB435249 A GB 435249A GB 19156/35 A GB19156/35 A GB 19156/35A GB 1915635 A GB1915635 A GB 1915635A GB 435249 A GB435249 A GB 435249A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trimethyl
- ammonium
- dyestuffs
- condensing
- quaternary ammonium
- 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
- C09B44/00—Azo dyes containing onium groups
- C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
Water-soluble basic azo dyes are made by coupling a diazo compound which contains no water solubility promoting radicle of acid character such as sulphonic or carboxyl groups but which may contain a quaternary ammonium group with an arylide of a b -keto carboxylic acid having a quaternary ammonium group in the arylide residue. Specified diazo components are the salts of trimethyl - (m - or p - aminophenyl-) ammonium and of the m<1>-or p<1>-aminobenzoyl derivatives of these or of o-, m-or paminobenzyl-pyridiniums, aminoazo compounds containing quaternary ammonium groups e.g. the salts of trimethyl - (p<1> - aminobenzene azo-phenyl-) ammonium and the aminoazo compounds from diazotized aromatic amino ammonium compounds and m-toluidine, a -naphthylamine or other middle component. The dyestuffs are fast to light and are capable of fixing substantive and mordant dyestuffs of acid character on to cellulose fibres, e.g. cotton and viscose. If the basic dye is applied first, it can also act as a mordant for non-substantive acid dyes or the dyeing can be after-treated with tanning agents, especially those of the pyrogallol or ellagene class. The tanning agent may also be applied prior to the dyeing. The dyeings may be after-treated with metal salts. In examples the following yellow dyestuffs are described: (1) tetrazotized benzidine or (2) diazotized trimethyl-(p<1>-aminobenzoyl-m-aminophenyl-) ammonium methosulphate (obtained by condensing m-aminodimethylaniline with p-nitrobenzoylchloride, condensing with dimethyl sulphate and reducing) is coupled with trimethyl - p - acetoacetylaminophenylammonium methosulphate (obtained by condensing acetoacetic ester with p-aminodimethylaniline in xylol and the product obtained with dimethylsulphate). The Specification as open to inspection under Sect. 91 refers to the use of the corresponding chloride as diazo component in p example 2 above (the dyestuff being precipitated with calcium iodide) and to the corresponding secondary disazo dyes with m-toluidine and a -naphthylamine respectively as middle components. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE435249X | 1933-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB435249A true GB435249A (en) | 1935-09-09 |
Family
ID=6506746
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4102/34A Expired GB438025A (en) | 1933-02-07 | 1934-02-07 | Improvements in or relating to the manufacture of azo dyestuffs |
GB19156/35A Expired GB435249A (en) | 1933-02-07 | 1934-02-07 | Improvements in or relating to the production of water soluble basic azo dyestuffs |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4102/34A Expired GB438025A (en) | 1933-02-07 | 1934-02-07 | Improvements in or relating to the manufacture of azo dyestuffs |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR768263A (en) |
GB (2) | GB438025A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3057845A (en) * | 1958-07-04 | 1962-10-09 | Ciba Ltd | Complex copper compounds of azo dyestuffs |
-
1934
- 1934-02-07 FR FR768263D patent/FR768263A/en not_active Expired
- 1934-02-07 GB GB4102/34A patent/GB438025A/en not_active Expired
- 1934-02-07 GB GB19156/35A patent/GB435249A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3057845A (en) * | 1958-07-04 | 1962-10-09 | Ciba Ltd | Complex copper compounds of azo dyestuffs |
Also Published As
Publication number | Publication date |
---|---|
GB438025A (en) | 1935-11-07 |
FR768263A (en) | 1934-08-03 |
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