Abstract
Copolymerization is the process that leads to the formation of polymer chains containing two or more discrete types of monomer unit. This chapter considers several classes of copolymers that differ in sequence distribution and/or architecture. It focuses on approaches based on conventional radical polymerization. Copolymer depiction and propagation in statistical copolymerization are explained. It highlights the propagation mechanisms in copolymerization and discusses the factors that influence the rate and course of propagation in polymerization. The terminal model and the penultimate model are discussed in detail. The chain statistics for determining monomer reactivity ratios are also explained. The most popular methods for predicting reactivity ratios are briefly discussed. The chapter then moves on to termination in statistical copolymerization. It then explains the chemical control model and diffusion control models. Combination and disproportionation during copolymerization are then discussed. Functional and end-functional polymers are described in detail. The chapter finally discusses block and graft copolymerization.
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