GB178946A - New or improved process of dyeing - Google Patents
New or improved process of dyeingInfo
- Publication number
- GB178946A GB178946A GB334721A GB334721A GB178946A GB 178946 A GB178946 A GB 178946A GB 334721 A GB334721 A GB 334721A GB 334721 A GB334721 A GB 334721A GB 178946 A GB178946 A GB 178946A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- sodium
- cellulose acetate
- dyeing
- goods
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
Union goods containing both cellulose acetate and cellulose fibres are first dyed in the ordinary manner with substantive or other dyes, when only the cellulose fibres take up the colour, and are then subjected to partial alkaline saponification and the dyeing continued at a higher temperature and preferably in the same dye bath, whereby the dyestuff previously absorbed by the cellulose fibre bleeds out and is transferred to the cellulose acetate portion. The treatment may be continued until a solid shade is obtained on the goods as a whole, or until the two portions display any desired difference of shade. The alkaline saponifying-agent employed may be caustic soda, sodium carbonate, sodium sulphide, sodium silicate, sodium aluminate, or sodium borate. The quantity employed depends on the degree of alkalinity; with caustic soda, for example, it should not exceed 10 per cent by weight of the cellulose acetate portion. Examples are given of the dyeing of mixed cotton and cellulose acetate goods, but the cotton may be replaced by linen or other form of cellulose, natural or artificial. Specifications 169,741 and 175,486 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB334721A GB178946A (en) | 1921-01-27 | 1921-01-27 | New or improved process of dyeing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB334721A GB178946A (en) | 1921-01-27 | 1921-01-27 | New or improved process of dyeing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB178946A true GB178946A (en) | 1922-04-27 |
Family
ID=9756591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB334721A Expired GB178946A (en) | 1921-01-27 | 1921-01-27 | New or improved process of dyeing |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB178946A (en) |
-
1921
- 1921-01-27 GB GB334721A patent/GB178946A/en not_active Expired
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