| abstract |
A process for preparing a polymer comprising reacting at least the compounds in components i) and ii): i) a compound of the Formula (1); wherein: R 1 to R 4 , A 1 and A 2 , Z and L are as defined in claim 1; ii) a compound of the Formula (2): wherein T, D, E, R 5 and R 6 and n are as defined in claim 1. The polym useful for dispersing particulate solids, e.g. pigments in ink jet printing inks. |