PROCESS FOR THE PREPARATION OF (METH)ACRYLATE DI-AMMONIUM SALTS AND THEIR USE AS MONOMERS FOR THE SYNTHESIS OF POLYMERS

摘要

The invention relates to the preparation of (meth)acrylate di-ammonium salts responding to formula (I) wherein R<1> represents hydrogen or methyl, each R<2> , independently, represents an alkyl comprising from 1 to 4 carbon atoms, each R<3>, independently, represents an alkyl or an aralkyl and each X<-> , independently, represents an anion; having a high purity and their use as monomers for the synthesis of polymers useful s cationic flocculants.