GB578212A - Colouration of textile materials - Google Patents

Colouration of textile materials

Info

Publication number
GB578212A
GB578212A GB11019/44A GB1101944A GB578212A GB 578212 A GB578212 A GB 578212A GB 11019/44 A GB11019/44 A GB 11019/44A GB 1101944 A GB1101944 A GB 1101944A GB 578212 A GB578212 A GB 578212A
Authority
GB
United Kingdom
Prior art keywords
indanthrene
aqueous
cellulose
aqueous dispersion
specified
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
GB11019/44A
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.)
Acordis UK Ltd
Original Assignee
British Celanese 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 British Celanese Ltd filed Critical British Celanese Ltd
Publication of GB578212A publication Critical patent/GB578212A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/22General 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
    • D06P1/224General 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

Abstract

Cellulose ester or ether textile material is coloured by mechanically impregnating the material with an aqueous dispersion of a vat dye, subjecting the impregnated material to the action of an aqueous alkaline reducing bath containing sodium hydrosulphite and sodium carbonate, and then oxidising the leuco compound so formed to the parent dye on the material. The impregnation may be effected, for example, by padding or spraying. The aqueous dispersion may contain dispersing agents such as turkey red oil or lauryl sulphate. In the example, a cellulose acetate fabric is padded with an aqueous dispersion of Indanthrene khaki 2GA, dried in a tower with hot air, treated on a jig with an aqueous solution containing sodium hydrosulphite and sodium carbonate, washed with water, treated in an aqueous bath containing sodium bichromate, scoured and dried. Other vat dyes specified are Indanthrene black brown VA, Indanthrene direct black RDS or RBA, Calcoloid blue BLD, Calcosol olive green BN, Calcosol brown R and Calcoloid grey GD. Other oxidising agents specified are sodium perborate and ammonium persulphate. Other textile materials specified are those of cellulose propionate, butyrate, aceto-propionate or aceto-butyrate and ethyl or benzyl cellulose. Besides fabrics other forms of textile materials such as yarns, filaments or staple fibre in the form of a top or roving, may be so dyed.
GB11019/44A 1943-06-11 1944-06-08 Colouration of textile materials Expired GB578212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US578212XA 1943-06-11 1943-06-11

Publications (1)

Publication Number Publication Date
GB578212A true GB578212A (en) 1946-06-19

Family

ID=22012949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11019/44A Expired GB578212A (en) 1943-06-11 1944-06-08 Colouration of textile materials

Country Status (1)

Country Link
GB (1) GB578212A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620257A (en) * 1948-12-15 1952-12-02 Celanese Corp Vat dye pigment pad process for cellulose ester textiles using a water-miscible organic swelling agent in the alkaline hydrosulfite reducing bath
US2683644A (en) * 1950-11-24 1954-07-13 Deering Milliken Res Trust Vat dyeing of acrylonitrile textile materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620257A (en) * 1948-12-15 1952-12-02 Celanese Corp Vat dye pigment pad process for cellulose ester textiles using a water-miscible organic swelling agent in the alkaline hydrosulfite reducing bath
US2683644A (en) * 1950-11-24 1954-07-13 Deering Milliken Res Trust Vat dyeing of acrylonitrile textile materials

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