Because ultrafine TiO_2 is strong polarity material, the nano-scale TiO_2 can not be dispersed in non-polarity solvent well and is easy to agglomerate in the polarity solvent.

• 同时,由于纳米TiO_2具有强极性,使得TiO_2不易在非极性介质中分散,在极性介质中易于团聚,直接影响二氧化钛本身优异性能的发挥。