Self-sealing composition for a pneumatic object
US8602075B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2007 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Oct 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10684
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A self-sealing elastomer composition, in an inflatable article such as a pneumatic tire (1), such composition comprising, as predominant elastomer, a thermoplastic styrene (TPS) elastomer and an extender oil with a content of between 200 and 700 phe (parts per hundred parts of elastomer by weight). An airtight puncture-resistant laminate (10) that can be used in particular in said inflatable article (1), comprises a puncture-resistant first layer (10a) comprising said self-sealing composition and an airtight second layer (10b), for example based on butyl rubber. An inflatable article comprises such a self-sealing composition or such an airtight puncture-resistant laminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.