摘要：研究了表面改性剂配方、用量、改性时间等对煅烧高岭土 /硅藻土复合填料表面改性效果的影响以及表面改性剂与煅烧高岭土 /硅藻土复合填料表面的作用机理。

关键词：煅烧高岭土;硅藻土;填料;表面改性;

Abstract：T he surface modification technical conditions of calcined kaolinite and diatomite composite fillers as well as the activation mechanism of surface modification agents on the surface of composite fillers are studied． 

Key words：calcined kaolinite；diatomite；filler；surface modification