Patent ID: 8833415
Filing Date: 2014-09-16
Classification: B29C,B29L,B60C,C08K,C08L,C09J,Y10T

Abstract:
1. A pneumatic tire with built-in self-sealing layer, the tire comprising: an outer rubbery tread; a carcass reinforcement; a gastight layer located at an inside position relative to the carcass reinforcement; a protective layer; and a self-sealing layer adjacent to the protective layer and located at an inside position relative to the gastight layer, wherein the protective layer is located innermost relative to the carcass reinforcement, the gastight layer, and the self-sealing layer, wherein a thickness of the protective layer is between 7 and 50 micrometers, and wherein the protective layer is a film formed of at least a chlorinated thermoplastic polymer that includes a plasticizing additive chosen from the group consisting of ethylene/vinyl acetate copolymers, polybutenes, polyesters, vinyl chloride/vinyl acetate copolymers, mellitates, triallyl cyanurate, epoxidized oils, crosslinkable acrylic compounds, and mixtures thereof.