Inner liner for pneumatic tire, method for producing the same, and pneumatic tire
US10183432B2 · kind B2 · utility
0Cited by
12References
13Claims
0Family size
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Key dates
| Filing date | May 29, 2012 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Oct 15, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/0861
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is an inner liner for a pneumatic tire including no less than 8 resin-layers, the resin-layer having a layer A constituted with a resin composition containing a resin having gas barrier properties, and a layer B that is adjacent to the layer A and is constituted with a resin composition containing an elastomer, an extensional viscosity ηA of the resin composition of the layer A, and an extensional viscosity ηB of the resin composition of the layer B as determined at a predetermined temperature both being no less than 1,000 Pa·s, and an extensional viscosity ratio ηA/ηB being no less than 0.2 and no greater than 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.