| abstract |
A process for treating particles comprising the steps of: (i) contacting the particles with a compound of Formula (I) wherein at least one of R1, R2 and R3 is hydroxyl or a hydrolysable group; and (ii) contacting the particles with a compound of Formula (II) wherein X is an anion and R4 is either: a divalent group -(CyH2y)-, branched jor unbranched, wherein y is a whole number from 1 to 40, or a C6-C40 aromatic group, and t is either 0 or 1. |