GB821244A - Improvements in tubeless tire innerliner composition - Google Patents
Improvements in tubeless tire innerliner compositionInfo
- Publication number
- GB821244A GB821244A GB14379/56A GB1437956A GB821244A GB 821244 A GB821244 A GB 821244A GB 14379/56 A GB14379/56 A GB 14379/56A GB 1437956 A GB1437956 A GB 1437956A GB 821244 A GB821244 A GB 821244A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- butadiene
- copolymer
- methacrylate
- acrylate
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0008—Compositions of the inner liner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
An air impervious liner of a tubeless tyre or other pneumatic body is composed of a copolymer of a conjugated diene and an unsaturated acrylate. Suitable dienes include isoprene; butadiene; chlorobutadiene; piperylene; 1,2-1,3-, or 1,4-, or 2,3-dimethyl-butadiene-1,3; and 1-ethyl-butadiene-1,3; and suitable acrylates include methyl acrylate or methacrylate and ethyl acrylate or methacrylate. The copolymer is compounded with 50 parts carbon black per 100 parts of copolymer and the usual ingredients such as 3 parts stearic acid, 3 parts zinc oxide, 2 parts sulphur, 5 parts petroleum softener and 1.2 parts accelerator. The copolymer may be prepared by agitating the respective monomers for 16 hours at 5 DEG C. in an emulsion iron-activated redox recipe, and the Specification gives a specific example of such a recipe for a 70:30 proportion of methyl methacrylate and butadiene. Specification 717,980, [Group XXXIV], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US821244XA | 1955-05-23 | 1955-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB821244A true GB821244A (en) | 1959-10-07 |
Family
ID=22169223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14379/56A Expired GB821244A (en) | 1955-05-23 | 1956-05-09 | Improvements in tubeless tire innerliner composition |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB821244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1266490B (en) * | 1962-07-12 | 1968-04-18 | Bayer Ag | Process for the production of compounds of metals or metal alloys with natural or synthetic rubbers |
| DE1494002B1 (en) * | 1960-03-12 | 1970-11-26 | Bayer Ag | Process for joining plastics, leather, textiles or elastomers with natural or synthetic elastomers |
-
1956
- 1956-05-09 GB GB14379/56A patent/GB821244A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1494002B1 (en) * | 1960-03-12 | 1970-11-26 | Bayer Ag | Process for joining plastics, leather, textiles or elastomers with natural or synthetic elastomers |
| DE1266490B (en) * | 1962-07-12 | 1968-04-18 | Bayer Ag | Process for the production of compounds of metals or metal alloys with natural or synthetic rubbers |
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