Patent ID: 8534331
Filing Date: 2013-09-17
Classification: B60C,Y10T

Abstract:
1. A pneumatic rubber tire which contains an outer circumferential rubber tread, supporting cord reinforced rubber carcass and innerliner where said innerliner is comprised of a layered composite of sealant and air permeation resistant film layers; wherein said innerliner composite is comprised of an inner sealant layer positioned adjacent to said rubber carcass where said sealant layer supports an air permeation resistant film layer on its outer surface; wherein said inner sealant layer is comprised of: (A) organoperoxide depolymerized butyl rubber, or (B) polyurethane, and wherein said air permeation resistant film is comprised of a thermoplastic material containing a dispersion of elastomer domains; wherein said thermoplastic material is comprised of nylon; wherein said elastomer is comprised of at least one of butyl rubber and sulfur curable diene-based elastomer domains.