As compared with untreated nano-particles, the coupling agents treatment could enhance the interfacial adhesion strength between PVC and nano-particles, but the nano-particles are still dispersed in PVC matrix as aggregated particles.

• 偶联剂处理虽能对复合体系的界面粘结强度有所改善，对体系有一定的增强作用，但不能有效地解决无机纳米粒子的聚集问题。