N- CONTROLLED RADICAL POLYMERIZATION OF N-VINYL LACTAMS IN AN AQUEOUS MEDIUM

摘要

The present invention relates to a process for preparing a polymer based on N-vinyl lactam monomer units,-Monomers containing the same or different (generally the same) N-vinyl lactam monomers (most often composed of N-vinyl lactam monomers);A radical polymerization modifier, for example consisting of thiocarbonyltri-S (C = S)-; And-a radical polymerization initiator, which is a redox system composed of a reducing agent (Red) and an oxidizing agent (Ox)/RTI (E).