摘要：研究了表面改性剂配方、用量、改性时间等对重质碳酸钙／ 硅灰石复合填料表面改性效果的影响，以及表面改性与复合填料表面的作用机理

关键词：重质碳酸钙;硅灰石;填料;表面改性;

Abstract：The surface modification technical conditions of ground calcium carbonate and wollastonite composite fillers as well as the activation mechanism of surface modification agents on the surface of composite fillers are studied

Keyword：ground calicum carbonate;wollastonite;filler;surface modification;