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ES8106923A1 - Procedimiento para aislar colorantes de azufre de sus fundi-ciones crudas - Google Patents

Procedimiento para aislar colorantes de azufre de sus fundi-ciones crudas

Info

Publication number
ES8106923A1
ES8106923A1 ES496123A ES496123A ES8106923A1 ES 8106923 A1 ES8106923 A1 ES 8106923A1 ES 496123 A ES496123 A ES 496123A ES 496123 A ES496123 A ES 496123A ES 8106923 A1 ES8106923 A1 ES 8106923A1
Authority
ES
Spain
Prior art keywords
sulfur dyestuffs
smelts
isolation
dyestuffs
well
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
Application number
ES496123A
Other languages
English (en)
Other versions
ES496123A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis Deutschland GmbH
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella AG
Cassella Farbwerke Mainkur AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cassella AG, Cassella Farbwerke Mainkur AG filed Critical Cassella AG
Publication of ES8106923A1 publication Critical patent/ES8106923A1/es
Publication of ES496123A0 publication Critical patent/ES496123A0/es
Granted legal-status Critical Current

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
    • 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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0096—Purification; Precipitation; Filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

PROCEDIMIENTO PARA AISLAR COLORANTES DE AZUFRE DE SUS CONDICIONES CRUDAS QUE CONTIENEN POLISULFURO DE SODIO. SE PREPARA UNA FUNDICION CRUDA ACUOSA DEL COLORANTE DE AZUFRE QUE CONTIENE POLISULFUROS DE SODIO A UNA TEMPERATURA DE 30G-70GC. SE MEZCLA CON UNA SOLUCION DE UN AGENTE AUXILIAR DE FLOCULACION, MEDIANTE AGITACION, DURANTE MEDIA A CINCO HORAS. SE FILTRA LA SUSPENSION EN UNA PRENSA DE FILTRACION, ASPIRADOR O FILTRO ROTATORIO. SE SIGUE LAVANDO LA TORDA DE FILTRO PARA ELIMINAR LA LEJIA MADRE DE LA TORTA.
ES496123A 1979-10-22 1980-10-21 Procedimiento para aislar colorantes de azufre de sus fundi-ciones crudas Granted ES496123A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792942591 DE2942591A1 (de) 1979-10-22 1979-10-22 Verfahren zur isolierung von schwefelfarbstoffen aus natriumpolysulfidhaltigen waessrigen rohschmelzen

Publications (2)

Publication Number Publication Date
ES8106923A1 true ES8106923A1 (es) 1981-09-16
ES496123A0 ES496123A0 (es) 1981-09-16

Family

ID=6084051

Family Applications (1)

Application Number Title Priority Date Filing Date
ES496123A Granted ES496123A0 (es) 1979-10-22 1980-10-21 Procedimiento para aislar colorantes de azufre de sus fundi-ciones crudas

Country Status (6)

Country Link
US (1) US4309178A (es)
EP (1) EP0027637B1 (es)
JP (1) JPS5667368A (es)
BR (1) BR8006733A (es)
DE (2) DE2942591A1 (es)
ES (1) ES496123A0 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3575437D1 (de) * 1984-11-08 1990-02-22 Canon Kk Verfahren zur reinigung von farbstoffen.
FR2610942B1 (fr) * 1987-02-16 1991-12-13 Sandoz Sa Compositions liquides de colorants au soufre et leur preparation
GB9108135D0 (en) * 1991-04-17 1991-06-05 Sandoz Ltd Improvements in or relating to organic compounds

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2373261A (en) * 1941-12-22 1945-04-10 Southern Dyestuff Corp Sulphur dye composition and method of manufacture
US2801995A (en) * 1953-06-30 1957-08-06 Allied Chem & Dye Corp Blue sulfur dyestuffs and processes for manufacturing them
DE1078717B (de) * 1953-06-30 1960-03-31 Allied Chem Verfahren zur Herstellung von blauen Schwefelfarbstoffen
DE1111594B (de) * 1959-02-17 1961-07-27 Basf Ag Verfahren zur Verringerung der Kornhaerte von Di- und Triarylmethanfarbstoffen
DE1119818B (de) * 1959-08-06 1961-12-21 Basf Ag Verfahren zur Verringerung der Kornhaerte von Di- und Triarylmethanfarbstoffen
DE1569741C3 (de) * 1966-03-18 1974-02-07 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung und Gewinnung reiner basischer Farbstoffe
US3600121A (en) * 1967-11-27 1971-08-17 Dan River Inc Method for obtaining level dyeing on cellulosic fibers using polyethylene glycol carboxylic acid esters as unstable retarding agent
GB1274048A (en) 1969-07-30 1972-05-10 Bayer Ag Process for the production of pure basic dyestuffs
DE2334005A1 (de) * 1973-07-04 1975-01-23 Basf Ag Verfahren zur isolierung von feststoffen aus suspensionen

Also Published As

Publication number Publication date
EP0027637A1 (de) 1981-04-29
BR8006733A (pt) 1981-04-22
EP0027637B1 (de) 1983-02-09
JPS5667368A (en) 1981-06-06
DE2942591A1 (de) 1981-04-30
ES496123A0 (es) 1981-09-16
DE3061919D1 (en) 1983-03-17
US4309178A (en) 1982-01-05

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