GB2020318A - Improvements in and relating to the dyeing of cellulose fibres - Google Patents

Improvements in and relating to the dyeing of cellulose fibres

Info

Publication number
GB2020318A
GB2020318A GB7915800A GB7915800A GB2020318A GB 2020318 A GB2020318 A GB 2020318A GB 7915800 A GB7915800 A GB 7915800A GB 7915800 A GB7915800 A GB 7915800A GB 2020318 A GB2020318 A GB 2020318A
Authority
GB
United Kingdom
Prior art keywords
dyeing
reduction
bath
uniformity
ammonia
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.)
Granted
Application number
GB7915800A
Other versions
GB2020318B (en
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.)
Aziende Colori Nazionali Affini ACNA SpA
ACNA Chimica Organica SpA
Original Assignee
Aziende Colori Nazionali Affini ACNA SpA
ACNA Chimica Organica SpA
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 Aziende Colori Nazionali Affini ACNA SpA, ACNA Chimica Organica SpA filed Critical Aziende Colori Nazionali Affini ACNA SpA
Publication of GB2020318A publication Critical patent/GB2020318A/en
Application granted granted Critical
Publication of GB2020318B publication Critical patent/GB2020318B/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/224—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo using vat dyes in unreduced pigment state
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Abstract

Cellulosic fibres, and especially fabrics comprising cellulosic fibres, are treated in a bath containing, in addition to one or more micro-dispersed vat dyes, a swelling agent for the cellulosic fibre, followed by the necessary reduction and re-oxidation treatment. It is found that the presence of the swelling agent, suitably one of a range of defined water-soluble polyoxyethylene glycols, improves the penetration of the dye and the uniformity of dyeing. This is especially the case where the cold process is used, that is, where the treatment in the reduction bath and any subsequent storage (e.g. of the wrapped roll of fabric after passing in the alkaline reduction bath) are effected without external application of heat. An alkaline reduction padding bath containing defined amounts of dextrin, sodium silicate and ammonia is recommended to enhance further the uniformity of the dyeing; in particular the incorporation of ammonia is found to promote the evolution of heat in the storage phase of the cold process.
GB7915800A 1978-05-08 1979-05-08 Dyeing of celulose fibres Expired GB2020318B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7823117A IT7823117A0 (en) 1978-05-08 1978-05-08 COLD DYEING PROCEDURE OF CELLULOSIC FIBERS WITH VAT DYES USING SUBSTANCES THAT SWELL THE FIBERS THEMSELVES.

Publications (2)

Publication Number Publication Date
GB2020318A true GB2020318A (en) 1979-11-14
GB2020318B GB2020318B (en) 1982-08-18

Family

ID=11203964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915800A Expired GB2020318B (en) 1978-05-08 1979-05-08 Dyeing of celulose fibres

Country Status (4)

Country Link
DE (1) DE2917961A1 (en)
FR (1) FR2425495A1 (en)
GB (1) GB2020318B (en)
IT (1) IT7823117A0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0151552A1 (en) * 1984-01-23 1985-08-14 Ciba-Geigy Ag Process for the continuous dyeing of cellulosic/polyamide blended fabrics
CN103669029A (en) * 2013-06-13 2014-03-26 盐城工业职业技术学院 Process for printing and dyeing textile by using microbial product

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1689928A1 (en) * 2003-11-10 2006-08-16 Ciba SC Holding AG Process for dyeing cellulosic fibre materials with at least two vat dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0151552A1 (en) * 1984-01-23 1985-08-14 Ciba-Geigy Ag Process for the continuous dyeing of cellulosic/polyamide blended fabrics
CN103669029A (en) * 2013-06-13 2014-03-26 盐城工业职业技术学院 Process for printing and dyeing textile by using microbial product

Also Published As

Publication number Publication date
FR2425495B1 (en) 1983-06-10
GB2020318B (en) 1982-08-18
IT7823117A0 (en) 1978-05-08
DE2917961A1 (en) 1979-11-22
FR2425495A1 (en) 1979-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee