GB537964A - Improvements in and relating to the dyeing of textile fibres - Google Patents
Improvements in and relating to the dyeing of textile fibresInfo
- Publication number
- GB537964A GB537964A GB71140A GB71140A GB537964A GB 537964 A GB537964 A GB 537964A GB 71140 A GB71140 A GB 71140A GB 71140 A GB71140 A GB 71140A GB 537964 A GB537964 A GB 537964A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wool
- dyed
- tannic acid
- formaldehyde
- cyanamide
- 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
- 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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide groups
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coloring (AREA)
Abstract
537,964. Dyeing textiles. COURTAULDS, Ltd., WILCOCK, C. C., and TATTERSFIELD, C. P. Jan. 12, 1940, No. 711. [Class 15 (ii)] Mixed fibres of wool and of cellulose which has been animalized by incorporating therein a reaction product of cyanamide and formaldehyde are dyed with a metal complex compound of an azo dyestuff in a dyebath containing tannic acid. The animalizing of the cellulose fibres may be effected as described in Specifications 506,793 or 515,847, [Group VII]. In examples, (1) regenerated cellulose staple fibre yarn is treated for 20 minutes with a dilute acetic acid solution at 90‹ C. of a product made by condensing cyanamide (1 mol.) with formaldehyde (1 mol.) in weakly alkaline solution and is then mixed with an equal weight of wool and the mixture dyed a deep pink by treatment for 1 hour in a boiling aqueous bath containing "Neolan" (Registered Trade Mark) red BRE, formic acid and tannic acid ; (2) viscose rayon staple fibre is steeped for 5 minutes in an aqueous solution at 20‹ C. containing cyanamide and formaldehyde to which ammonium thiocyanate has been added after adjusting to pH = 6, squeezed, centrifuged, dried, heated for 20 minutes at 140‹ C. and mixed with an equal weight of wool, and the mixture is dyed a level shade on the two fibres by treatment for 1¢ hours in a boiling dyebath containing "Neolan" pink B, formic acid and tannic acid ; (3) the mixture of treated rayon and wool in (2) is similarly dyed with "Palatine" (Registered Trade Mark) fast yellow ELN, the depth of the shade on the rayon being varied by varying the amount of tannic acid in the dyebath. Specifications 482,345, 484,984 and 496,944. also are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB71140A GB537964A (en) | 1940-01-12 | 1940-01-12 | Improvements in and relating to the dyeing of textile fibres |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB71140A GB537964A (en) | 1940-01-12 | 1940-01-12 | Improvements in and relating to the dyeing of textile fibres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB537964A true GB537964A (en) | 1941-07-15 |
Family
ID=9709200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB71140A Expired GB537964A (en) | 1940-01-12 | 1940-01-12 | Improvements in and relating to the dyeing of textile fibres |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB537964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2429073A (en) * | 1944-08-05 | 1947-10-14 | Hat Corp America | Dyed composite felt and method of making same |
| US2440330A (en) * | 1943-08-26 | 1948-04-27 | Celanese Corp | Improving the fastness of dyed organic derivative of cellulose textiles by impregnation with cyanamide |
-
1940
- 1940-01-12 GB GB71140A patent/GB537964A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2440330A (en) * | 1943-08-26 | 1948-04-27 | Celanese Corp | Improving the fastness of dyed organic derivative of cellulose textiles by impregnation with cyanamide |
| US2429073A (en) * | 1944-08-05 | 1947-10-14 | Hat Corp America | Dyed composite felt and method of making same |
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