The enhancement fillers having different granularities were prepared from the acicular wollastonite powders that were subject to surface chemical modification in dry process.

• 通过对针状硅灰石粉进行干法表面化学改性,制成不同粒径的增强填料,并填充于环氧树脂中进行十字交叉法试验,探讨了硅灰石/环氧树脂体系的增强机理。