Reinforced polyurethane foam with micron CaCO3 particles which were dispersed directly in reactants (PAPI or polyol) by ultrasonic radiation was prepared.

• 采用超声辐照的方法，在聚氨酯反应原液体系中对微米级碳酸钙粉体进行了分散，然后反应成型得到增强聚氨酯泡沫塑料。