简介:为了提高TiO2在聚酯切片中的分散性,须对TiO2表面进行处理。研究了SDS,LAS与硬脂酸,ADDP三种表面活性剂体系对TiO2的表面改性效果。接触角,吸油量,糊粘度表征手段的运用,表明三种表面活性剂体系中3%LAS与硬脂酸,3%ADDP有很好的改性效果,对去离子水的接触角分别达到了119°与130°。DSC分析表明,ADDP改性后的TiO2在300℃以下是热稳定的。因此认为ADDP是一种非常理想的聚酯用TiO2改性剂。
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