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GB793190A - Improvements relating to the dyeing of textile materials - Google Patents

Improvements relating to the dyeing of textile materials

Info

Publication number
GB793190A
GB793190A GB32850/54A GB3285054A GB793190A GB 793190 A GB793190 A GB 793190A GB 32850/54 A GB32850/54 A GB 32850/54A GB 3285054 A GB3285054 A GB 3285054A GB 793190 A GB793190 A GB 793190A
Authority
GB
United Kingdom
Prior art keywords
dyestuff
liquor
thiourea
dyeing
molten metal
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.)
Expired
Application number
GB32850/54A
Inventor
William Kilby
Denis Haworth
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.)
Standfast Dyers and Printers Ltd
Original Assignee
Standfast Dyers and Printers 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 Standfast Dyers and Printers Ltd filed Critical Standfast Dyers and Printers Ltd
Priority to GB32850/54A priority Critical patent/GB793190A/en
Publication of GB793190A publication Critical patent/GB793190A/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
    • 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
    • D06P1/38—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 reactive dyes
    • 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
    • D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58—Material containing hydroxyl groups
    • D06P3/60—Natural or regenerated cellulose
    • D06P3/66—Natural or regenerated cellulose using reactive dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)

Abstract

In the continuous dyeing of textile materials by impregnation, e.g. passing, with aqueous vat or sulphur dyestuff liquor, the dyestuff, an alkali solvent for the dyestuff, water and thiourea dioxide (or a mixture of thiourea and an oxidizing agent) are brought together just prior to the impregnating operation, the impregnation is effected at a temperature not above 25 DEG C. and the impregnated material is then heated to at least 70 DEG C. to effect reduction of the dyestuff. Specified oxidizing agents when a mixture of thiourea and an oxidizing agent is employed are hydrogen peroxide, sodium peroxide and sodium hypochlorite. Heating is effected by passing the material through steam, molten metal or hot oil or first through steam and then through molten metal. A reaction accelerator, such as ammonium or alkali metal molybdates and vanadates, alkali metal tungstates and ceric sulphate, may be added to the impregnating liquor. When using molten metal for heating, as described, for example, in Specifications 620,584 and 665,454, a reducing liquor may also float on the metal surface where the material enters. The pad box may be cooled. The process is applicable to the dyeing of textiles of cotton, rayon, nylon, polyesters and polyacrylonitrile.
GB32850/54A 1954-11-12 1954-11-12 Improvements relating to the dyeing of textile materials Expired GB793190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB32850/54A GB793190A (en) 1954-11-12 1954-11-12 Improvements relating to the dyeing of textile materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32850/54A GB793190A (en) 1954-11-12 1954-11-12 Improvements relating to the dyeing of textile materials

Publications (1)

Publication Number Publication Date
GB793190A true GB793190A (en) 1958-04-09

Family

ID=10344938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32850/54A Expired GB793190A (en) 1954-11-12 1954-11-12 Improvements relating to the dyeing of textile materials

Country Status (1)

Country Link
GB (1) GB793190A (en)

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