| 摘要 |
<p>A run flat tire wheel assembly having a run flat support member formed by a ring-shaped metal shell and rubbery elastic members in an inside cavity of a tire/rim, wherein the rubbery elastic member comprises a rubber composition including (A) 100 parts by weight of a diene-based rubber and (B) (i) 0.1 to 5 parts by weight of cobalt acetyl acetonate and/or (B) (ii) (a), as a reinforcing filler, 40 to 90 parts by weight of carbon black/silica in a ratio of 10/1 to 1/2 (weight ratio) and (b) 1 to 20% by weight based upon the weight of the silica, of a silane coupling agent, whereby the bondability between the ring-shaped metal shell and rubbery elastic members is improved.</p> |
