| abstract |
The invention relates to the use of salt-like structural silicates, wherein the cation is NH4<+>, H3O<+>, an alkali, alkali earth, earth metal or a transition metal ion or a low molecular weight organic cation or a combination thereof and the anion is embodied as an island, ring, group, chain, band, layer or tectosilicate or a combination thereof as charge controlling agents in electrophotographic toners and developers, in coating powders, electret materials and in electrostatic separation methods. |