An improved finely divided rubber-reinforcing clay mineral composition can be produced by employing a hydrous kaolin clay surface treated with a functional silane, a methylene donor compound such as hexamethylenetetramine, and a multifunctional methylene acceptor such as resorcinol....http://www.google.fr/patents/US5840113?utm_source=gb-gplus-shareBrevet US5840113 - Treated clay product, methods of making and using and products therefrom
Treated clay product, methods of making and using and products therefrom
