为了研究超声波对泡沫塑料化学镀铜的影响,比较了聚氨酯泡沫塑料在以Sn-Pd活化后直接加超声波进行化学镀铜以及在形成连续铜层的基础上施加超声波进行化学镀铜的效果.结果表明:直接在连续铜层上施加超声波不但可缩短镀铜诱导期,而且使镀速加快、施镀深度加大,并随超声波功率增加,铜层增重加快变缓.而在聚氨酯上未形成连续铜层前,在预处理以PdCl₂敏化的基础上施加超声波,早期可将钯核震掉影响镀速,从而确定了施加超声波的时间至少在预镀5min后进行.

To research the influence of adding ultrasonic on the process that electroless plating copper film on the framework of polyurethane foam,the paper respectively investigated the effect of adding ultrasonic on the Sn-Pd activated polyurethane foam directly and on the copper film covered framework.The result shows that adding ultrasonic on the copper film covered framework can shorten the inducing time and elevate the speed of the reaction,and the lifting rate of weight increasing slows down while the ultrasonic power augments.When adding ultrasonic on the Sn-Pd activated polyurethane foam,which had not been covered with continuous copper film,the palladium nuclei could be shocked away from the framework,so the ultrasonic should be added after 5 minutes' pre-plating at least.