The surface of the urethane cellular was mobilized in PEI with consistency of 2.4%, and the urethane foam carrier could be combined with the slurry completely.

• 用浓度为2.；4%25的聚乙烯亚胺(PEI)溶液加以活化；可以使聚氨酯泡沫载体更好地和陶瓷浆料结合。