| 摘要 |
<p>PURPOSE:A rubber composition, capable of exhibiting improved initial adhesiveness and water-resistant adhesiveness to a metallic material on vulcanization, and comprising a rubber of specific composition, p-hydroxybenzoic acid and polymethoxymethylmelamine (condensate). CONSTITUTION:A composition comprising (A) 100pts.wt. rubber consisting of 90-60pts.wt. natural rubber and 10-40pts.wt., preferably 15-30pts.wt., polybutadiene, (B) 0,5-4pts.wt., preferably 1-3pts.wt., p-hydroxybenzoic acid, and 0.5-4pts.wt., preferably 1-4pts.wt., polymethoxymethylmelamine (condensate).</p> |
