24 Chain-Growth Polycondensation
Chain-growth polycondensation (CGP) is a kind of polycondensation that proceeds in a chain polymerization manner. The first reports of the living CGP concept came from the labs of Yokozawa and McCullough in 2004.
The main concept behind converting a step-growth process to chain growth is ensuring that the monomer preferentially reacts at the growing end of the polymer chain, as opposed to a random processes, where all functional groups have an equal probability to react with one another.
The polymer end-groups in this type of living polymerization (e.g. GCP) must be stable functional groups like carboxyl, hydroxyl, amino groups, etc., so that an equilibrium between the active and ...
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