190 Reversible Addition-Fragmentation Chain Transfer (RAFT) Polymerization
Reversible addition-fragmentation chain transfer (RAFT) polymerization is a controlled living radical polymerization that is associated with a series of reversible addition-fragmentation steps based on degenerative chain transfer as a means of converting dormant chains to active propagating radicals.
RAFT polymerization was invented and reported by Le, Rizzardo, Moad, and Thang in 1998.
The RAFT mechanism is depicted in Figure 190.1. Following activation (step I), the radical species add to the RAFT agent (Figure 190.1, chain transfer agent, CTA) to enter equilibrium between active and dormant species (steps III and V). The chain transfer ...
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