Production of amphoteric resins in a reaction medium comprising formic acid
AssigneesICI Australia Limited, Commonwealth Scientific and Industrial Research Organization
InventorBrian Alfred Bolto
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Abstract
In the known process of manufacturing an amphoteric polymeric composition which process comprises firstly polymerising a mixture comprising a monomer containing a basic group and a monomer containing an acidic group, the improvement of carrying out the process in the presence of a solvent system comprising formic acid.
Claims7
In the process of manufacturing a polymeric composition which process comprises firstly polymerizing a mixture comprising a monomer containing a basic group, said monomer being an ethylenically unsaturated substituted amine, and a monomer containing an acidic group, said latter monomer being an unsaturated carboxylic acid;
- the improvement of carrying out the process in the presence of a solvent system comprising formic acid.
Dependencies are inferred from the claim text.