GB702075A - Improvements in the colouration of cellulose acetate - Google Patents
Improvements in the colouration of cellulose acetateInfo
- Publication number
- GB702075A GB702075A GB1302451A GB1302451A GB702075A GB 702075 A GB702075 A GB 702075A GB 1302451 A GB1302451 A GB 1302451A GB 1302451 A GB1302451 A GB 1302451A GB 702075 A GB702075 A GB 702075A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose acetate
- thiourea dioxide
- printed
- fabric
- aged
- 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
- D06P1/225—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 acid vat method
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
Cellulose acetate fibres are dyed by means of a pre-formed dispersion of an acid leuco vat dye which has been prepared by reduction of vat dyestuff with thiourea dioxide in the presence of alkali with subsequent acidification. When used for printing cellulose acetate fabrics, the printing paste may contain an excess of free thiourea dioxide, and the printed fabric aged before oxidation to develop the colour. An Example is given in which cellulose acetate fabric is printed with a paste made by heating together Caledon Jade Green XNS, thiourea dioxide, caustic soda and water, and then pouring the leuco vat solution thus formed into a mixture of tragacanth thickener and acetic acid; the printed fabric is then aged in saturated steam at 102 DEG C and oxidized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1302451A GB702075A (en) | 1950-03-04 | 1950-03-04 | Improvements in the colouration of cellulose acetate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1302451A GB702075A (en) | 1950-03-04 | 1950-03-04 | Improvements in the colouration of cellulose acetate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB702075A true GB702075A (en) | 1954-01-06 |
Family
ID=10015411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1302451A Expired GB702075A (en) | 1950-03-04 | 1950-03-04 | Improvements in the colouration of cellulose acetate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB702075A (en) |
-
1950
- 1950-03-04 GB GB1302451A patent/GB702075A/en not_active Expired
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