A method for bonding a rubber substrate to a metal substrate wherein a primer composition is first applied to the surface of said metal substrate and the rubber substrate is then bonded to the primer composition-containing metal substrate surface using a rubber-to-metal bonding adhesive, the improvement comprising employing as the primer composition a mixture comprising an epoxidized diene polymer having a molecular weight of about 500 to 30,000 and a resole type phenolic resin, in a weight ratio of about 2 to 100 parts of said diene polymer per 100 parts of said resole type phenolic resin.
一种将橡胶基材粘合到
金属基材上的方法,其中首先在所述
金属基材表面涂抹底漆组合物,然后使用橡胶-
金属粘合胶粘剂将橡胶基材粘合到含有底漆组合物的
金属基材表面,该改进包括采用一种混合物作为底漆组合物,该混合物包括分子量约为 500 至 30,000 的环氧化二烯聚合物和
树脂型
酚醛
树脂,其重量比为每 100 份所述
树脂型
酚醛
树脂中含有约 2 至 100 份所述二烯聚合物。