Patent ID: 9238387
Filing Date: 2016-01-19
CPC Classification: B60C,C08L,Y02T

Claim Text:
1. A pneumatic tire comprising an inner liner disposed inwardly in the tire relative to a carcass ply bridged between a pair of bead portions, said inner liner being formed of a first layer disposed inwardly in the tire, and a second layer disposed in contact with a rubber layer of said carcass ply, said first layer being a thermoplastic elastomer composition mainly containing a styrene-isobutylene-styrene block copolymer, and said second layer being a thermoplastic elastomer composition containing 20 mass % to 90 mass % of a styrene-isobutylene diblock copolymer relative to a thermoplastic elastomer component thereof, said styrene-isobutylene diblock copolymer being linear, said styrene-isobutylene diblock copolymer containing a styrene component at a content of 10 mass % to 35 mass %, said second layer containing the styrene-isobutylene-styrene block copolymer by 10 mass % to 80 mass % relative to a thermoplastic elastomer component thereof.