Patent ID: 8105745
Filing Date: 2012-01-31
Classification: C07C,G03F

Abstract:
1. A crosslinking compound of formula (1): wherein Ar and R comprises one or more ionisable group, wherein the one or more ionisable group is selected from the group consisting of an acid group selected from the group consisting of a sulfonic acid, a phosphonic acid, a carboxylic acid, a cationic group selected from the group consisting of a quaternary ammonium group and a pyridinium group, a basic group selected from the group consisting of amine, and an anionic group selected from the group consisting of a sulfonate, a phosphonate and a carboxylate, wherein the crosslinking compound is soluble in at least one polar solvent selected from the group consisting of water, methanol, ethanol, propanol, dimethylsulfoxide, N,N-dimethylformamide, N,N-dimethylacetamide, N-methylpyrrolidone.