Multilayered gas-tight and anti-puncture laminate object including same
US8646500B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 20, 2008 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Jan 25, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A puncture-resistant multilayer laminate that is impermeable to inflation gases, comprising: a gastight first elastomer layer comprising a polystyrene/polyisobutylene block copolymer thermoplastic elastomer, and optionally an extender oil with a content within a range of 0 to less than 100 phr; and a self-sealing second elastomer layer comprising a thermoplastic styrene elastomer, identical to or different from the first elastomer, and an extender oil with a content greater than 200 phr.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.