Block copolymers and a novel method for preparing (co)polymers having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation

摘要

The present invention concerns a novel method for preparing polymers (preferably (meth)acrylate polymers and copolymers) having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation. The present invention also concerns block copolymers and methods of making the same using anionic polymerization in the presence of a phosphonium cation to prepare at least one block of the copolymer.