GB578212A - Colouration of textile materials - Google Patents
Colouration of textile materialsInfo
- 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
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
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.
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)
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 |
-
1944
- 1944-06-08 GB GB11019/44A patent/GB578212A/en not_active Expired
Cited By (2)
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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