COMPOSITION AND MEDIA

摘要

A coating composition comprising pigment, medium and a binder characterised in that (i) the binder comprises a cationic polymer comprising a repeat unit of formula (I): wherein: X and Y are the same or different and represent divalent organic linking groups; and (ii) the weight ratio of pigment to binder in the composition is at least 2:1. The compositions are useful for preparing ink jet recording materials with good water resistance, print quality and dry time.