GB368230A - Improvements in the production of fine threads of artificial silk - Google Patents
Improvements in the production of fine threads of artificial silkInfo
- Publication number
- GB368230A GB368230A GB25470/30A GB2547030A GB368230A GB 368230 A GB368230 A GB 368230A GB 25470/30 A GB25470/30 A GB 25470/30A GB 2547030 A GB2547030 A GB 2547030A GB 368230 A GB368230 A GB 368230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- threads
- stretched
- bath
- spool
- thread
- 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
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
- D01F2/30—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate by the dry spinning process
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Artificial Filaments (AREA)
Abstract
<PICT:0368230/IV/1> <PICT:0368230/IV/2> Artificial threads are spun by the dry spinning method in the usual manner but before they have become completely solidified they are allowed to issue from the spinning chamber and are subjected in this plastic condition to the action of a swelling agent which does not dissolve the substance of the thread, and then stretched. As swelling agents there may be used water, benzene hydrocarbons, alcohols, chlorinated hydrocarbons, or other single or mixed liquid which does not dissolve cellulose esters or ethers. Softening agents which remain in the fibre are excluded. Sizing agents may be added to the swelling agent. The latter may be used in gaseous or liquid form. The threads may thus be stretched by 30 per cent or more, and at the same time the strength is increased. In an example threads of acetyl cellulose from a nozzle a, Fig. 1, in the cell b, issue from the cell while still plastic and pass into a stretching chamber c into which steam is introduced. In another example the threads after leaving the spinning chamber pass through a bath containing benzene and an oily size and are then stretched on the way to a winding spool. In a further example, the thread on issuing from the spinning chamber b, Fig. 3, is sprinkled with alcohol issuing from a jet m and is then passed through the bath i also containing alcohol. The thread passes over guide k and the curved lip n of the bath i and is wound on the spool h, the stretching occurring between this spool and the guide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE368230X | 1929-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB368230A true GB368230A (en) | 1932-03-03 |
Family
ID=6318045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25470/30A Expired GB368230A (en) | 1929-09-23 | 1930-08-26 | Improvements in the production of fine threads of artificial silk |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR688989A (en) |
GB (1) | GB368230A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425782A (en) * | 1944-03-04 | 1947-08-19 | Celanese Corp | Preparation of filaments |
US2451854A (en) * | 1944-06-15 | 1948-10-19 | Du Pont | Dry spinning apparatus |
-
1930
- 1930-01-28 FR FR688989D patent/FR688989A/en not_active Expired
- 1930-08-26 GB GB25470/30A patent/GB368230A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425782A (en) * | 1944-03-04 | 1947-08-19 | Celanese Corp | Preparation of filaments |
US2451854A (en) * | 1944-06-15 | 1948-10-19 | Du Pont | Dry spinning apparatus |
Also Published As
Publication number | Publication date |
---|---|
FR688989A (en) | 1930-09-01 |
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