ES8304186A1 - Procedimiento para preparar colorantes de azufre. - Google Patents
Procedimiento para preparar colorantes de azufre.Info
- Publication number
- ES8304186A1 ES8304186A1 ES511206A ES511206A ES8304186A1 ES 8304186 A1 ES8304186 A1 ES 8304186A1 ES 511206 A ES511206 A ES 511206A ES 511206 A ES511206 A ES 511206A ES 8304186 A1 ES8304186 A1 ES 8304186A1
- Authority
- ES
- Spain
- Prior art keywords
- sulphur
- stage
- hydroxydiphenylamine
- elevated temperature
- preparation
- 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
- C09B49/00—Sulfur dyes
- C09B49/10—Sulfur dyes from diphenylamines, indamines, or indophenols, e.g. p-aminophenols or leucoindophenols
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/916—Natural fiber dyeing
- Y10S8/918—Cellulose textile
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/92—Synthetic fiber dyeing
- Y10S8/924—Polyamide fiber
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
PROCEDIMIENTO PARA UNA OBTENCION DE COLORANTES QUE CONTIENEN AZUFRE. CONSISTE EN LA REACCION DE 4-HIDROXIFENILAMINAS, DE FORMULA (I), EN LA QUE R Y R SON HIDROGENO O ALQUILO C <- ; Y EL ANILLO A TIENE AL MENOS UNA POSICION ORTO LIBRE, CON AZUFRE A TEMPERATURAS ENTRE 160 C Y 190 C; SEGUIDA DE LA REACCION DE SULFURACION DE LA TIAZINA FORMADA, EN UN DISOLVENTE HIDROSOLUBLE, A TEMPERATURAS ENTRE 130 C Y 150 C, CON UN POLISULFURO ALCALINO. ESTOS COMPUESTOS TIENEN APLICACIONES PARA EL TEÑIDO DE CELULOSA, MATERIALES QUE CONTIENEN CELULOSA Y POLIAMIDA.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813114033 DE3114033A1 (de) | 1981-04-07 | 1981-04-07 | Schwefelfarbstoffe, verfahren zu ihrer herstellung und ihre verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES511206A0 ES511206A0 (es) | 1983-02-16 |
| ES8304186A1 true ES8304186A1 (es) | 1983-02-16 |
Family
ID=6129581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES511206A Expired ES8304186A1 (es) | 1981-04-07 | 1982-04-06 | Procedimiento para preparar colorantes de azufre. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4403995A (es) |
| EP (1) | EP0062257B1 (es) |
| JP (1) | JPS57177062A (es) |
| BR (1) | BR8201975A (es) |
| DE (2) | DE3114033A1 (es) |
| ES (1) | ES8304186A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2610942B1 (fr) * | 1987-02-16 | 1991-12-13 | Sandoz Sa | Compositions liquides de colorants au soufre et leur preparation |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2415363A (en) * | 1947-02-04 | Refining of phenothiazine | ||
| DE247733C (es) * | ||||
| DE261651C (es) * | ||||
| US2887482A (en) * | 1959-05-19 | Purification of phenothiazine | ||
| DE679985C (de) * | 1935-01-30 | 1939-08-18 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung von Schwefelfarbstoffen |
| US2130416A (en) * | 1936-06-19 | 1938-09-20 | Southern Dyestuff Corp | Dyeing |
| US2657112A (en) * | 1953-02-26 | 1953-10-27 | Southern Dyestuff Corp | Thionated indophenol products and processes |
| DE1038211B (de) * | 1953-05-08 | 1958-09-04 | Geigy Ag J R | Verfahren zur Herstellung von Schwefelfarbstoffen |
| GB753764A (en) | 1953-05-08 | 1956-08-01 | Geigy Ag J R | Improvements relating to sulphur dyestuffs |
| US3956332A (en) * | 1973-09-21 | 1976-05-11 | Cassella Farbwerke Mainkur Aktiengesellschaft | Fast, brown sulfur dyestuffs and process for the preparation thereof |
-
1981
- 1981-04-07 DE DE19813114033 patent/DE3114033A1/de not_active Withdrawn
-
1982
- 1982-02-18 US US06/350,116 patent/US4403995A/en not_active Expired - Fee Related
- 1982-03-26 EP EP82102550A patent/EP0062257B1/de not_active Expired
- 1982-03-26 DE DE8282102550T patent/DE3260437D1/de not_active Expired
- 1982-04-06 BR BR8201975A patent/BR8201975A/pt unknown
- 1982-04-06 ES ES511206A patent/ES8304186A1/es not_active Expired
- 1982-04-06 JP JP57056118A patent/JPS57177062A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR8201975A (pt) | 1983-03-15 |
| EP0062257A1 (de) | 1982-10-13 |
| ES511206A0 (es) | 1983-02-16 |
| EP0062257B1 (de) | 1984-07-25 |
| JPS57177062A (en) | 1982-10-30 |
| US4403995A (en) | 1983-09-13 |
| DE3260437D1 (en) | 1984-08-30 |
| DE3114033A1 (de) | 1982-10-21 |
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