Free protons, unlike the hydroxyl groups needed for silane reaction, are present on almost all three-dimensional particulates, which is claimed to make titanates more universally reactive.

• 不象硅烷反应那样需要羟基，自由质子存在于几乎所有的三维粒子上，这使得钛酸酯具有更加普遍的反应能力。