GB575570A - Improvements in or relating to the twisting of artificial yarns - Google Patents
Improvements in or relating to the twisting of artificial yarnsInfo
- Publication number
- GB575570A GB575570A GB5687/44A GB568744A GB575570A GB 575570 A GB575570 A GB 575570A GB 5687/44 A GB5687/44 A GB 5687/44A GB 568744 A GB568744 A GB 568744A GB 575570 A GB575570 A GB 575570A
- Authority
- GB
- United Kingdom
- Prior art keywords
- yarn
- yarns
- twisted
- hydrogenated
- twist
- 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
Landscapes
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
A process for treating artificial fibre yarns, e.g. viscose, cuprammonium, cellulose acetate or polyvinyl yarns, particularly high twist yarns, to overcome snarling in knitting &c. operations, comprises applying to the yarn, prior to knitting, a hydrogenated fatty oil of melting point above 30 DEG C. in the molten state or in solution, and thereafter twisting the yarn. The weight of oil distributed in the fibre may be from 2-30 per cent of the dry untreated yarn. The twist imparted to the yarn, which may be sufficient to cause kinking in the untreated yarn, may be set by means of heat. Examples of the oils which, when hydrogenated, may be used are: beef or mutton tallow; lard; wool, bone or horse fat; castor; soyabean; palm; cod; pilchard. The oil may be applied by immersing the yarn in a solution thereof, any of the usual solvents, e.g. Stoddards, xylene, &c. being used, following which it is centrifuged and then twisted up to say 60 turns per inch. The twist is then preferably set, as by treatment in a steam cabinet. In an example, 400 parts of hydrogenated tallow and 200 parts of xylene were melted together at 150 DEG F. and 50 denier 36 filament cuprammonium rayon skeins were soaked therein for 20 mins. After removal, they were centrifuged down to a take-up of 20 per cent and after storing for a week in air tight cans were thrown and twisted to 50 turns per inch. The twisted yarn was then steamed at 140 DEG F. wet bulb, 134 DEG F. dry bulb for 15 minutes and was stated to have a good "hand" and to be free from snarling.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US575570XA | 1943-03-30 | 1943-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB575570A true GB575570A (en) | 1946-02-22 |
Family
ID=22011316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5687/44A Expired GB575570A (en) | 1943-03-30 | 1944-03-28 | Improvements in or relating to the twisting of artificial yarns |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB575570A (en) |
-
1944
- 1944-03-28 GB GB5687/44A patent/GB575570A/en not_active Expired
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