GB2014597A - Continuous Coupling Process - Google Patents

Continuous Coupling Process

Info

Publication number
GB2014597A
GB2014597A GB7902202A GB7902202A GB2014597A GB 2014597 A GB2014597 A GB 2014597A GB 7902202 A GB7902202 A GB 7902202A GB 7902202 A GB7902202 A GB 7902202A GB 2014597 A GB2014597 A GB 2014597A
Authority
GB
United Kingdom
Prior art keywords
azo compound
component
hereinafter referred
reaction zone
coupling
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB7902202A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB7902202A priority Critical patent/GB2014597A/en
Publication of GB2014597A publication Critical patent/GB2014597A/en
Withdrawn legal-status Critical Current

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
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features
    • C09B41/007—Special methods of performing the coupling reaction characterised by process features including condition or time responsive control, e.g. automatically controlled processes; Stepwise coupling
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

A process for the preparation of an aqueous dispersion of a water- insoluble azo compound which comprises continuously mixing together, in a reaction zone from which a product stream is continuously removed in the form of a dispersion of the azo compound, a first stream containing a diazotised amine hereinafter referred to as the diazo component and a second stream containing a component capable of reaction ("coupling") with the diazo component under the conditions existing in the reaction zone to form an azo compound, hereinafter referred to as the coupling component, followed by removal, at least in part, from the product stream of any inorganic matter present therein by a membrane separation treatment.
GB7902202A 1978-02-14 1979-01-22 Continuous Coupling Process Withdrawn GB2014597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7902202A GB2014597A (en) 1978-02-14 1979-01-22 Continuous Coupling Process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB581778 1978-02-14
GB7902202A GB2014597A (en) 1978-02-14 1979-01-22 Continuous Coupling Process

Publications (1)

Publication Number Publication Date
GB2014597A true GB2014597A (en) 1979-08-30

Family

ID=26240173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7902202A Withdrawn GB2014597A (en) 1978-02-14 1979-01-22 Continuous Coupling Process

Country Status (1)

Country Link
GB (1) GB2014597A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024667A2 (en) * 1979-08-29 1981-03-11 Bayer Ag Process for the manufacture of fluid dyestuff preparations, and their use
US4436523A (en) 1981-09-29 1984-03-13 Ciba-Geigy Corporation Process for the preparation of storage stable colorant compositions by ultrafiltration and wet milling
FR2534266A1 (en) * 1982-10-08 1984-04-13 Ciba Geigy Ag PROCESS FOR THE CONTINUOUS MANUFACTURE OF AZO COMPOUNDS
WO2001062855A2 (en) * 2000-02-23 2001-08-30 Flint Ink Corporation Process for manufacturing pigments
WO2003052000A1 (en) * 2001-12-14 2003-06-26 Clariant Gmbh Method for producing fine-particle azo colorant preparations for ink jet printing
WO2005105927A1 (en) * 2004-04-22 2005-11-10 Clariant Produkte (Deutschland) Gmbh Process for producing high-purity azo dyes
WO2005105928A1 (en) * 2004-04-22 2005-11-10 Clariant Produkte (Deutschland) Gmbh High-purity naphthol as pigments
WO2006008495A1 (en) * 2004-07-20 2006-01-26 Fujifilm Imaging Colorants Limited Manufacturing process
CN108047751A (en) * 2017-12-29 2018-05-18 沈阳化工研究院有限公司 A kind of band ester group azo dispersion dyes serialization coupling process

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024667A2 (en) * 1979-08-29 1981-03-11 Bayer Ag Process for the manufacture of fluid dyestuff preparations, and their use
EP0024667A3 (en) * 1979-08-29 1981-03-18 Bayer Ag Process for the manufacture of fluid dyestuff preparations, and their use
US4436523A (en) 1981-09-29 1984-03-13 Ciba-Geigy Corporation Process for the preparation of storage stable colorant compositions by ultrafiltration and wet milling
FR2534266A1 (en) * 1982-10-08 1984-04-13 Ciba Geigy Ag PROCESS FOR THE CONTINUOUS MANUFACTURE OF AZO COMPOUNDS
GB2129434A (en) * 1982-10-08 1984-05-16 Ciba Geigy Ag Production of azo compounds
WO2001062855A2 (en) * 2000-02-23 2001-08-30 Flint Ink Corporation Process for manufacturing pigments
WO2001062855A3 (en) * 2000-02-23 2002-02-07 Flint Ink Corp Process for manufacturing pigments
US6432192B1 (en) 2000-02-23 2002-08-13 Flint Ink Corporation Process for manufacturing pigments
WO2003052000A1 (en) * 2001-12-14 2003-06-26 Clariant Gmbh Method for producing fine-particle azo colorant preparations for ink jet printing
WO2005105927A1 (en) * 2004-04-22 2005-11-10 Clariant Produkte (Deutschland) Gmbh Process for producing high-purity azo dyes
WO2005105928A1 (en) * 2004-04-22 2005-11-10 Clariant Produkte (Deutschland) Gmbh High-purity naphthol as pigments
WO2006008495A1 (en) * 2004-07-20 2006-01-26 Fujifilm Imaging Colorants Limited Manufacturing process
US7772376B2 (en) 2004-07-20 2010-08-10 Fujifilm Imaging Colorants Limited Manufacturing process
CN108047751A (en) * 2017-12-29 2018-05-18 沈阳化工研究院有限公司 A kind of band ester group azo dispersion dyes serialization coupling process

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)