GB738020A - Improvements in and relating to the production of coloured filaments, fibres, threads and the like from viscose - Google Patents
Improvements in and relating to the production of coloured filaments, fibres, threads and the like from viscoseInfo
- Publication number
- GB738020A GB738020A GB3027951A GB3027951A GB738020A GB 738020 A GB738020 A GB 738020A GB 3027951 A GB3027951 A GB 3027951A GB 3027951 A GB3027951 A GB 3027951A GB 738020 A GB738020 A GB 738020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- viscose
- caustic soda
- mixture
- threads
- per cent
- 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
- D01F2/16—Addition of dyes to the spinning solution
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
Coloured viscose rayon threads are produced by dispersing colouring matter in the presence of a dispersing agent in an aqueous stable viscous solution of a fibre-forming material compatible with viscose and preferably of substantially the same viscosity, injecting the dispersion into a stream of viscose by means of a gear-wheel pump, and extruding the viscose into a coagulating bath. The fibre-forming material is of a type which is coagulated when extruded into the type of bath used for coagulating viscose. The material may be casein dissolved in caustic soda solution or a sodium carboxymethyl cellulose dissolved in water or caustic soda solution. The colouring matter used is water-insoluble and chemically resistant to caustic soda, the coagulating bath and the desulphurizing agent used for treating the threads produced. It may consist of certain unreduced vat dyestuffs, azoic dyestuffs, carbon black or mineral pigments such as burnt chromium oxide or titanium dioxide. The dispersing agent may be a highly sulphonated castor oil, a sulphonated mineral oil or sodium cresylate. In an example, 64 kg. of a solution containing 10 per cent of sodium carboxymethyl cellulose, having 0.45 carboxymethyl group per anhydroglucose unit, and 4 per cent of caustic soda and having a viscosity of 60 poises at 20 DEG C. are mixed with 35 kg. of Monolite Red 4 RHVS paste containing 1.25 per cent of solid pigment and 1.6 kg. of a highly sulphonated castor oil, and the mixture is filtered and stored under vacuum for 6 hours. The mixture is injected into a main viscose supply line at an injection ratio of 1 : 60 parts by weight and the viscose containing the mixture is extruded into an acid coagulating bath. The coloured dispersions may be made up in large quantities at a time and stored for considerable periods without the pigment settling out. Specifications 290,693, [Class 2 (ii)], and 711,977 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3027951A GB738020A (en) | 1951-12-28 | 1951-12-28 | Improvements in and relating to the production of coloured filaments, fibres, threads and the like from viscose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3027951A GB738020A (en) | 1951-12-28 | 1951-12-28 | Improvements in and relating to the production of coloured filaments, fibres, threads and the like from viscose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB738020A true GB738020A (en) | 1955-10-05 |
Family
ID=10305128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3027951A Expired GB738020A (en) | 1951-12-28 | 1951-12-28 | Improvements in and relating to the production of coloured filaments, fibres, threads and the like from viscose |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB738020A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011137470A1 (en) * | 2010-05-06 | 2011-11-10 | Lenzing Ag | Coloured flame retardant shaped cellulosic article and products produced from it |
| CN101736429B (en) * | 2009-12-18 | 2012-01-11 | 宜宾海丝特纤维有限责任公司 | Method for preparing black color paste suitable for producing viscose tinting threads |
-
1951
- 1951-12-28 GB GB3027951A patent/GB738020A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736429B (en) * | 2009-12-18 | 2012-01-11 | 宜宾海丝特纤维有限责任公司 | Method for preparing black color paste suitable for producing viscose tinting threads |
| WO2011137470A1 (en) * | 2010-05-06 | 2011-11-10 | Lenzing Ag | Coloured flame retardant shaped cellulosic article and products produced from it |
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