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应用超音速气流使硅灰石、硬脂酸粉体互相碰撞-劈裂-粉碎-断健，其新鲜表面带离子键或活性点，彼此间发生化学反应或化学吸附，粉碎-活化在同一时间完成。红外吸收光谱分析结果证明硅灰石表面有硬脂酸接枝物。
Application of supersonic airflow to wollastonite, stearic acid powder collide with each other - split - smash - Jian Jian, the fresh surface with ionic bonds or active sites, chemical reactions occur between each other or chemical adsorption, crushing - activated at the same time carry out. Infrared absorption spectroscopy results show wollastonite grafted stearic acid surface.