MX9702584A - Procedimiento para la obtencion de preparaciones colorantes liquidas, pobres en sal. - Google Patents
Procedimiento para la obtencion de preparaciones colorantes liquidas, pobres en sal.Info
- Publication number
- MX9702584A MX9702584A MX9702584A MX9702584A MX9702584A MX 9702584 A MX9702584 A MX 9702584A MX 9702584 A MX9702584 A MX 9702584A MX 9702584 A MX9702584 A MX 9702584A MX 9702584 A MX9702584 A MX 9702584A
- Authority
- MX
- Mexico
- Prior art keywords
- liquid dyeing
- preparation
- salt liquid
- lean salt
- dyeing compounds
- Prior art date
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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/02—Disazo dyes
- C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
- C09B33/056—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound the coupling component being a bis-(naphthol-urea)
-
- 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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/28—Tetrazo dyes of the type A->B->K<-C<-D
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
-
- 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
- Y10S8/919—Paper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedimiento para la obtencion de preparaciones colorantes líquidas pobres en sal, caracterizado porque se obtienen por; a) diazotado de una amina aromática, b) doble copulacion de los diazocomponentes, obtenido segun a) sobre I-ácido-urea, en presencia de una base inorgánica y en ausencia de una base orgánica, c) eliminacion de las sales y, en caso dado, concentracion mediante permeacion a presion de la mezcla de reaccion obtenida segun b), de tal manera que se alcance un contenido en sales inorgánicas menor que el 1% en peso, referido a la preparacion colorante líquida.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19615260A DE19615260A1 (de) | 1996-04-18 | 1996-04-18 | Verfahren zur Herstellung salzarmer, flüssiger Farbstoffpräparationen |
DE19615260.7 | 1996-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9702584A true MX9702584A (es) | 1997-10-31 |
MXPA97002584A MXPA97002584A (es) | 1998-07-03 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
EP0802240B1 (de) | 2002-09-04 |
DE19615260A1 (de) | 1997-10-23 |
JPH1046046A (ja) | 1998-02-17 |
EP0802240A3 (de) | 1998-12-09 |
US6120561A (en) | 2000-09-19 |
DE59708097D1 (de) | 2002-10-10 |
EP0802240A2 (de) | 1997-10-22 |
CA2202718A1 (en) | 1997-10-18 |
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