BE858994A - Procede de preparation de dispersions aqueuses de colorants azoiques exempts de groupes hydrosolubilisants - Google Patents

Procede de preparation de dispersions aqueuses de colorants azoiques exempts de groupes hydrosolubilisants

Info

Publication number
BE858994A
BE858994A BE181151A BE181151A BE858994A BE 858994 A BE858994 A BE 858994A BE 181151 A BE181151 A BE 181151A BE 181151 A BE181151 A BE 181151A BE 858994 A BE858994 A BE 858994A
Authority
BE
Belgium
Prior art keywords
preparation
water
aqueous dispersions
solubilizing groups
azoic dyes
Prior art date
Application number
BE181151A
Other languages
English (en)
French (fr)
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of BE858994A publication Critical patent/BE858994A/xx

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/005—Special methods of performing the coupling reaction characterised by the coupling medium containing low molecular weight dispersing agents; containing surface active polythylene gylcols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Paints Or Removers (AREA)
BE181151A 1976-09-25 1977-09-23 Procede de preparation de dispersions aqueuses de colorants azoiques exempts de groupes hydrosolubilisants BE858994A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762643214 DE2643214C2 (de) 1976-09-25 1976-09-25 Herstellung wäßriger Azofarbstoff-Dispersionen

Publications (1)

Publication Number Publication Date
BE858994A true BE858994A (fr) 1978-03-23

Family

ID=5988826

Family Applications (1)

Application Number Title Priority Date Filing Date
BE181151A BE858994A (fr) 1976-09-25 1977-09-23 Procede de preparation de dispersions aqueuses de colorants azoiques exempts de groupes hydrosolubilisants

Country Status (7)

Country Link
JP (1) JPS5340020A (de)
BE (1) BE858994A (de)
CH (1) CH626118A5 (de)
DE (1) DE2643214C2 (de)
DK (1) DK422077A (de)
FR (1) FR2365609A1 (de)
NL (1) NL7710436A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934949A1 (de) * 1979-08-29 1981-03-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von fluessigen farbstoffpraeparationen
CH648583A5 (de) * 1981-09-29 1985-03-29 Ciba Geigy Ag Verfahren zur herstellung von lagerstabilen farbstoffpraeparaten.
US4523924A (en) * 1982-12-20 1985-06-18 Ciba-Geigy Corporation Process for the preparation of stable aqueous solutions of water-soluble reactive dyes by membrane separation
CH655125A5 (de) * 1983-09-21 1986-03-27 Ciba Geigy Ag Verfahren zur herstellung von azofarbstoffpraeparaten.
CH660494B (de) * 1984-12-12 1987-04-30
DE4204700A1 (de) * 1992-02-17 1993-08-19 Henkel Kgaa Verfahren zur abtrennung anorganischer salze
DE4229207C2 (de) * 1992-09-02 1998-12-17 Clariant Gmbh Verfahren zur Herstellung von Disazopigmenten und deren Verwendung
US6432192B1 (en) 2000-02-23 2002-08-13 Flint Ink Corporation Process for manufacturing pigments
DE10161609A1 (de) * 2001-12-14 2003-06-26 Clariant Gmbh Verfahren zur Herstellung feinteiliger Azofarbmittelpräparationen für den Ink-Jet-Druck

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1386093A (fr) * 1963-03-20 1965-01-15 Dainichiseika Color Chem Procédé pour la fabrication de colorants aqueux et produits colorants conformes à ceux obtenus par ledit procédé ou procédé similaire
GB1438118A (en) * 1972-11-21 1976-06-03 Ici Ltd Preparation of aqueous dispersions of azo dyestuffs

Also Published As

Publication number Publication date
DE2643214A1 (de) 1978-04-06
FR2365609A1 (fr) 1978-04-21
JPS5340020A (en) 1978-04-12
DK422077A (da) 1978-03-26
DE2643214C2 (de) 1983-09-29
CH626118A5 (en) 1981-10-30
NL7710436A (nl) 1978-03-29
FR2365609B1 (de) 1983-01-07

Similar Documents

Publication Publication Date Title
PT65426B (fr) Procede de preparation de derives benzylideniques
BE856067A (fr) Procede de preparation de colorants pigmentaires
BE845953A (fr) Procede de preparation de dispersions
FR2316296A1 (fr) Procede de production de solutions concentrees de colorants anioniques
BE852722A (fr) Procede de preparation industrielle de colorants azoiques des groupes cyano
BE858994A (fr) Procede de preparation de dispersions aqueuses de colorants azoiques exempts de groupes hydrosolubilisants
FR2299387A1 (fr) Procede de preparation de colorants azoiques laques
RO69713A (ro) Procedeu de preparare a unor coloranti azoici cationici
FR2343783A1 (fr) Procede de production de colorants cyanazoiques
BE840642A (fr) Procede de production de colorants azoiques
FR2341625A1 (fr) Procede perfectionne de production de colorants azoiques
BE847331A (fr) Procede de preparation de 4-alkyl-thiosemi-carbazides,
BE844918A (fr) Procede de preparation sur la fibre de colorants azoiques non hydrosolubles
BE856615A (fr) Procede de production de colorants oxazeniques
FR2352864A1 (fr) Procede de production de colorants azoiques
BR7408503D0 (pt) Processo para preparacao de pigemntos azoicos
BE850983A (fr) Procede de preparation de colorants azoiques
FR2348951A1 (fr) Procede de preparation de colorants disazoiques
BE834743A (fr) Procede de production de colorants anthraquinoniques
BE853677A (fr) Procede de preparation de colorants azoiques phtalocyaniques
FR2341628A1 (fr) Procede de production de preparations de colorants sublimables
FR2317336A1 (fr) Procede de preparation de colorants oxaziniques basiques
PT65041A (fr) Procede de preparation de derives de la thieno-pyridine
FR2366259B1 (fr) Procede de preparation de derives de nitroalcanols
FR2343788A1 (fr) Procede de production de preparations pulverulentes de colorants sublimables