DK422077A - PROCEDURE FOR PREPARING AQUATIC DISPERSIONS OF AZO DYES FREE OF WATER SOLUBLE GROUPS - Google Patents

PROCEDURE FOR PREPARING AQUATIC DISPERSIONS OF AZO DYES FREE OF WATER SOLUBLE GROUPS

Info

Publication number
DK422077A
DK422077A DK422077A DK422077A DK422077A DK 422077 A DK422077 A DK 422077A DK 422077 A DK422077 A DK 422077A DK 422077 A DK422077 A DK 422077A DK 422077 A DK422077 A DK 422077A
Authority
DK
Denmark
Prior art keywords
dispersions
procedure
water soluble
azo dyes
soluble groups
Prior art date
Application number
DK422077A
Other languages
Danish (da)
Inventor
K Wolf
J Koll
H H Moells
R Hoernle
V Aign
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 DK422077A publication Critical patent/DK422077A/en

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)
DK422077A 1976-09-25 1977-09-23 PROCEDURE FOR PREPARING AQUATIC DISPERSIONS OF AZO DYES FREE OF WATER SOLUBLE GROUPS DK422077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762643214 DE2643214C2 (en) 1976-09-25 1976-09-25 Preparation of aqueous azo dye dispersions

Publications (1)

Publication Number Publication Date
DK422077A true DK422077A (en) 1978-03-26

Family

ID=5988826

Family Applications (1)

Application Number Title Priority Date Filing Date
DK422077A DK422077A (en) 1976-09-25 1977-09-23 PROCEDURE FOR PREPARING AQUATIC DISPERSIONS OF AZO DYES FREE OF WATER SOLUBLE GROUPS

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934949A1 (en) * 1979-08-29 1981-03-19 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING LIQUID DYE PREPARATIONS
CH648583A5 (en) * 1981-09-29 1985-03-29 Ciba Geigy Ag METHOD FOR THE PRODUCTION OF STORAGE-STABLE DYE PREPARATIONS.
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 (en) * 1983-09-21 1986-03-27 Ciba Geigy Ag METHOD FOR THE PRODUCTION OF AZO DYE PREPARATIONS.
CH660494B (en) * 1984-12-12 1987-04-30
DE4204700A1 (en) * 1992-02-17 1993-08-19 Henkel Kgaa METHOD FOR SEPARATING INORGANIC SALTS
DE4229207C2 (en) * 1992-09-02 1998-12-17 Clariant Gmbh Process for the preparation of disazo pigments and their use
US6432192B1 (en) 2000-02-23 2002-08-13 Flint Ink Corporation Process for manufacturing pigments
DE10161609A1 (en) * 2001-12-14 2003-06-26 Clariant Gmbh Preparation of finely-divided dispersions of insoluble to hardly soluble azo colorant, e.g. pigment dispersion for preparing ink-jet ink, involves coupling diazonium salt and coupling component in presence of surfactant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1386093A (en) * 1963-03-20 1965-01-15 Dainichiseika Color Chem Process for the manufacture of aqueous dyes and coloring products conforming to those obtained by said process or similar process
GB1438118A (en) * 1972-11-21 1976-06-03 Ici Ltd Preparation of aqueous dispersions of azo dyestuffs

Also Published As

Publication number Publication date
NL7710436A (en) 1978-03-29
DE2643214A1 (en) 1978-04-06
DE2643214C2 (en) 1983-09-29
CH626118A5 (en) 1981-10-30
FR2365609A1 (en) 1978-04-21
JPS5340020A (en) 1978-04-12
BE858994A (en) 1978-03-23
FR2365609B1 (en) 1983-01-07

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