Whitewater RAFTing: High-molecular-weight (HMW) (co)polymers can be formed using ARGET ATRP with alkyl pseudohalides as initiators and chain-transfer agents. This system works with parts-per-million quantities of copper(I) catalyst whilst retaining excellent control over molecular weight, molecular weight distribution, and chain-end functionality. Copper wire (see picture) can be used as reducing agent several times without additional treatment.
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Nicolaÿ et al. (2009) studied this question.
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