BR7701004A - Processo para a preparacao de azo-corantes - Google Patents

Processo para a preparacao de azo-corantes

Info

Publication number
BR7701004A
BR7701004A BR7701004A BR7701004A BR7701004A BR 7701004 A BR7701004 A BR 7701004A BR 7701004 A BR7701004 A BR 7701004A BR 7701004 A BR7701004 A BR 7701004A BR 7701004 A BR7701004 A BR 7701004A
Authority
BR
Brazil
Prior art keywords
azo
dyes
preparation
Prior art date
Application number
BR7701004A
Other languages
English (en)
Inventor
H Molls
W Schiwy
R Hornle
R Nebeling
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 BR7701004A publication Critical patent/BR7701004A/pt

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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes
    • C09B29/0805—Amino benzenes free of acid groups
    • 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
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0003—Drying, e.g. sprax drying; Sublimation of the solvent
    • 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
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
BR7701004A 1976-02-21 1977-02-17 Processo para a preparacao de azo-corantes BR7701004A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2607122A DE2607122C2 (de) 1976-02-21 1976-02-21 Verfahren zur Herstellung von Azofarbstoffen

Publications (1)

Publication Number Publication Date
BR7701004A true BR7701004A (pt) 1977-10-18

Family

ID=5970546

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701004A BR7701004A (pt) 1976-02-21 1977-02-17 Processo para a preparacao de azo-corantes

Country Status (11)

Country Link
US (1) US4118384A (pt)
JP (1) JPS5835545B2 (pt)
BE (1) BE851651A (pt)
BR (1) BR7701004A (pt)
CH (1) CH624700A5 (pt)
DE (1) DE2607122C2 (pt)
DK (1) DK71577A (pt)
ES (1) ES456029A1 (pt)
FR (1) FR2341625A1 (pt)
GB (1) GB1563661A (pt)
IN (1) IN143355B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847532C3 (de) * 1978-11-02 1981-08-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azofarbstoffen
CH655125A5 (de) * 1983-09-21 1986-03-27 Ciba Geigy Ag Verfahren zur herstellung von azofarbstoffpraeparaten.
DE3602524A1 (de) * 1986-01-29 1987-07-30 Bayer Ag Verfahren zur herstellung konzentrierter loesungen von anionischen farbstoffen
DE4030580A1 (de) * 1990-09-27 1992-04-02 Hoechst Ag Verfahren zur herstellung von konzentrierten waessrigen loesungen von anionischen azofarbstoffen
US5162511A (en) * 1991-02-01 1992-11-10 Gamblin Rodger L Nitrosating and diazotizing reagents and reactions
CN102775813A (zh) * 2012-07-09 2012-11-14 天津市大邱庄宏达化工有限公司 一种酸性染料的无污染制备工艺
CN102977640A (zh) * 2012-12-03 2013-03-20 吴江市社翊纺织有限公司 一种不溶性服装染料

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468202A (pt) * 1945-07-04
US2606896A (en) * 1947-08-07 1952-08-12 Interchem Corp Method of preparation of watersoluble azo dyes and watersoluble bases therefor
BE796574A (fr) * 1972-03-15 1973-09-10 Ici Ltd Dispersions et compositions de colorants azoiques dispersables
GB1426053A (en) * 1972-03-15 1976-02-25 Ici Ltd Preparation of dispersible azo dyestuff compositions by azo coupling
GB1438118A (en) * 1972-11-21 1976-06-03 Ici Ltd Preparation of aqueous dispersions of azo dyestuffs
DE2503714C3 (de) * 1975-01-30 1978-05-03 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von wasserlöslichen Azofarbstoffen

Also Published As

Publication number Publication date
GB1563661A (en) 1980-03-26
ES456029A1 (es) 1978-02-16
DE2607122A1 (de) 1977-08-25
FR2341625B1 (pt) 1982-10-22
DE2607122C2 (de) 1983-10-27
CH624700A5 (pt) 1981-08-14
JPS52102334A (en) 1977-08-27
FR2341625A1 (fr) 1977-09-16
BE851651A (fr) 1977-08-22
IN143355B (pt) 1977-11-05
JPS5835545B2 (ja) 1983-08-03
US4118384A (en) 1978-10-03
DK71577A (da) 1977-08-22

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