It is therefore believed that the nano ZnO particles effectively are disposed around and associated with the TiO2 particle so that the efficiency of the TiO2 particles arrangement increases; i.e., the overall stability of {TAIL ~ TiO2 pigment particles} on drying is improved, thus improving {HEAD ~ properties} such as tint strength and hiding power  
It is therefore believed that the nano ZnO particles effectively are disposed around and associated with the TiO2 particle so that the efficiency of the TiO2 particles arrangement increases ; i.e. , the overall stability of { TAIL ~ TiO2 pigment particles } on drying is improved , thus improving { HEAD ~ properties } such as tint strength and hiding power
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