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
Application number
MX9702584A
Other languages
English (en)
Other versions
MXPA97002584A (es
Inventor
Peter Wild
Volker Paulat
Wolfgang Frank
Shaun Murphree
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 MX9702584A publication Critical patent/MX9702584A/es
Publication of MXPA97002584A publication Critical patent/MXPA97002584A/es

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.
MXPA/A/1997/002584A 1996-04-18 1997-04-09 Procedimiento para la obtencion de preparaciones colorantes liquidas, pobres en sal MXPA97002584A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19615260.7 1996-04-18
DE19615260A DE19615260A1 (de) 1996-04-18 1996-04-18 Verfahren zur Herstellung salzarmer, flüssiger Farbstoffpräparationen

Publications (2)

Publication Number Publication Date
MX9702584A true MX9702584A (es) 1997-10-31
MXPA97002584A MXPA97002584A (es) 1998-07-03

Family

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Also Published As

Publication number Publication date
EP0802240A3 (de) 1998-12-09
JPH1046046A (ja) 1998-02-17
EP0802240B1 (de) 2002-09-04
DE59708097D1 (de) 2002-10-10
DE19615260A1 (de) 1997-10-23
CA2202718A1 (en) 1997-10-18
EP0802240A2 (de) 1997-10-22
US6120561A (en) 2000-09-19

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