Adhesive compositions are disclosed which cure rapidly and completely on confinement between passive substrates, such as magnesium alloys, that are deficient in transition metals and transition metal ions. The compositions include one or more acrylate resins, one or more peroxy free radical initiators, one or more onium salts, and an accelerator such as acetylphenyl hydrazine desirably in an amount of about 1.0% or less by weight of the composition. These compositions provide exceptional bonding to such substrates without the need for a transition metal primer. Methods of making and using such compositions are also disclosed.
本发明公开了一种粘合组合物,其在被动基材(例如缺乏过渡
金属和过渡
金属离子的
镁合
金)之间受限时,可以快速而完全固化。该组合物包括一种或多种
丙烯酸酯
树脂、一种或多种过氧自由基
引发剂、一种或多种离子盐,以及加速剂,例如
乙酰苯肼,理想情况下其重量占组合物的1.0%或更少。这些组合物可以在不需要过渡
金属底漆的情况下,对这些基材提供出色的粘合性能。本发明还公开了制备和使用这种组合物的方法。