The value of oil absorption, viscosity of Nujol mull, specific surface area, contact angle, distribution of particle size and dispersivity of the calcium carbonate particles were also characterized.

对改性前后粉体的接触角、吸油率、蜡糊粘度、度分布、分散性等性能进行了比较。

After modification by organic compounds, the properties of hectorite, such as adsorption abilities, dispersivity and specific surface are improved.

有机改性后，吸附性能、分散性及比表面积等提高。