Patent ID: 6397913
Filing Date: 2002-06-04
Classification: B60C,C08K,C08L,Y10S,Y10T

Abstract:
A pneumatic tire having at a side wall portion a crescent sectional-shape reinforcing liner layer comprised of a rubber composition containing, based on a total 100 parts by weight of a rubber containing 70 to 100 parts by weight of an ethylenic unsaturated nitrile-conjugated diene-based highly saturated copolymer rubber having a content of conjugated diene units of not more than 30 percent by weight, 20 to 120 parts by weight of zinc mothacrylate, containing no carbon black or not more than 40 parts by weight of the same, and having a total of formulations of zinc methacrylate and carbon black of not more than 120 parts by weight, and bonded with an adjoining rubber layer through a bonding rubber layer having a thickness of 0.2 to 0.8 mm, cross-linked by an organic peroxide and containing, based on a total 100 parts by weight of (A) at least one type of diene-based rubber selected from the group consisting of a natural rubber, polyisoprene rubber, polybutadiene rubber, and conjugated diene-aromatic vinyl copolymer rubber and (B) an acrylonitrile-butadiene copolymer rubber, (C) 5 to 80 parts by weight of an aromatic petroleum resin having an average molecular weight of 300 to 1500, a softening point of 50 to 160Â° C., and an iodine adsorption value of at least 20 g/100g.