GB914249A - New water-soluble dyestuffs and textile colouration process - Google Patents
New water-soluble dyestuffs and textile colouration processInfo
- Publication number
- GB914249A GB914249A GB2099760A GB2099760A GB914249A GB 914249 A GB914249 A GB 914249A GB 2099760 A GB2099760 A GB 2099760A GB 2099760 A GB2099760 A GB 2099760A GB 914249 A GB914249 A GB 914249A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aqueous
- hydrazine
- dyestuff
- dyes
- heating
- 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
- C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
- C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
- C09B62/343—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a five membered ring
-
- 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
- C09B69/00—Dyes not provided for by a single group of this subclass
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
Potassium 4-sulphophthalimide is made by heating potassium 4-sulphophthalate with urea in chlorobenzene at between 150 DEG and 155 DEG C. for four hours.ALSO:The invention comprises water-soluble dyes of the general formula:- <FORM:0914249/IV (b)/1> where D is the residue of an organic dyestuff devoid of sulphonic and carboxylic acid groups, m is 1 or 2, n is an integer from 1 to 4, the nucleus A may be substituted by halogen atoms and the sulpho-phthalimido methyl groups are each attached directly to an aromatic ring of radical D. Organic dyestuff residues may be of the monoazo, triphendioxazine, thioindigoid, polycyclic quinone, e.g. isodibenzanthrone, or phthalocyanine series. The dyes are made by condensing an organic dyestuff free from sulphonic and carboxylic acid groups with paraformaldehyde and a phthalimide of the formula:- <FORM:0914249/IV (b)/2> or an N-methylol or N-chlormethyl derivative thereof in a sulphuric acid medium. Examples are given. On heating the water-soluble dyes in aqueous solution with hydrazine hydrate, insoluble pigments are obtained. The dyes colour textile materials of cellulose fibres by a dyeing process by applying a dyestuff of the above formula to the textile from a boiling aqueous dyebath with the addition of sodium sulphate or chloride and then immersing the material in aqueous hydrazine, which may also contain inorganic salts, possibly at elevated temperature, or by a printing process by applying a printing past containing an aqueous solution of the dyestuff and an unstable salt of hydrazine such as the carbonate, bicarbonate, sulphite, borate or trichloroacetate and, if desired, an acid-binder such as triethanolamine, adjuvants such as thiodiglycol and urea and thickening agents such as methyl cellulose, starch, locust bean gum and sodium alginate, followed by steaming or heating. In examples, (4) cotton is printed by application of an aqueous paste containing a phthalocyanine dye of the above formula, sodium alginate, thiodiglycol, hydrazine carbonate and triethanolamine followed by steaming and soaping, and (5) cotton is dyed by immersion first in an aqueous bath containing a phthalocyanine dye of the above formula, sodium sulphate decahydrate being added, and then in 5% brine containing hydrazine hydrate and ammonium chloride at the boil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2099760A GB914249A (en) | 1960-06-15 | 1960-06-15 | New water-soluble dyestuffs and textile colouration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2099760A GB914249A (en) | 1960-06-15 | 1960-06-15 | New water-soluble dyestuffs and textile colouration process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB914249A true GB914249A (en) | 1962-12-28 |
Family
ID=10155417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2099760A Expired GB914249A (en) | 1960-06-15 | 1960-06-15 | New water-soluble dyestuffs and textile colouration process |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB914249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064631A2 (en) * | 1981-05-07 | 1982-11-17 | BASF Aktiengesellschaft | Cationic dyes, their use in dyeing or printing paper and paper dyed or printed with these dyes |
-
1960
- 1960-06-15 GB GB2099760A patent/GB914249A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064631A2 (en) * | 1981-05-07 | 1982-11-17 | BASF Aktiengesellschaft | Cationic dyes, their use in dyeing or printing paper and paper dyed or printed with these dyes |
| EP0064631A3 (en) * | 1981-05-07 | 1984-02-22 | Basf Aktiengesellschaft | Cationic dyes, their use in dyeing or printing paper and paper dyed or printed with these dyes |
| US4491662A (en) * | 1981-05-07 | 1985-01-01 | Basf Aktiengesellschaft | Aminomethyl group containing cationic dyes |
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