ABSTRACT Water-swellable rubber (WSR) is usually prepared by mixing bubber matrix such as EMDM with hydrophilic water-absorbent resin such as sodium polyacrylate, foaming agent and other fillers.

• 中 文 摘 要 遇水膨胀橡胶是将橡胶基体如三元乙丙橡胶等与亲水性的超强吸水材料如交联聚丙烯酸钠及其它填料共混制备的。