Silicone-treated powder, process of production thereof and composition containing the same

摘要

A silicone-treated powder composed of a powder coated on the surface thereof with a silicone compound, wherein an amount of hydrogen generated by Si-H groups remained on the surface of the silicone-treated powder is not more than 0.2 ml/g of treated powder and a contact angle of water with the treated powder is at least 100°.