GB574220A - Improvements in or relating to rubber substitutes and process for the manufacture thereof - Google Patents
Improvements in or relating to rubber substitutes and process for the manufacture thereofInfo
- Publication number
- GB574220A GB574220A GB1049842A GB1049842A GB574220A GB 574220 A GB574220 A GB 574220A GB 1049842 A GB1049842 A GB 1049842A GB 1049842 A GB1049842 A GB 1049842A GB 574220 A GB574220 A GB 574220A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pitch
- sulphur
- oil
- linseed
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
A composition for use as a compounding ingredient for rubber is formed by treating a vulcanizable oil such as linseed, rape or castor oil with sulphur or a sulphur agent, in presence of a pitch or pitch-like substance of animal or vegetable origin such as stearine pitch, fatty acid pitch or wool grease pitch. Equal weights of raw or blown linseed oil and stearine pitch are mixed at 52 DEG C., the mixture is heated to 80-90 DEG C. and an equal weight of sulphur is slowly introduced with continuous stirring. The temperature is raised to 160 DEG C. when reaction takes place. Up to 30 per cent of the linseed oil may be replaced by mineral oil. The amount of sulphur must be at least 24 per cent of the total ingredients.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1049842A GB574220A (en) | 1942-07-27 | 1942-07-27 | Improvements in or relating to rubber substitutes and process for the manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1049842A GB574220A (en) | 1942-07-27 | 1942-07-27 | Improvements in or relating to rubber substitutes and process for the manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
GB574220A true GB574220A (en) | 1945-12-28 |
Family
ID=9968950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1049842A Expired GB574220A (en) | 1942-07-27 | 1942-07-27 | Improvements in or relating to rubber substitutes and process for the manufacture thereof |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB574220A (en) |
-
1942
- 1942-07-27 GB GB1049842A patent/GB574220A/en not_active Expired
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