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the electrochemical setup makes it difficult to
obtain high molecular weight polymers.
Recent progress in controlled radical
polymerization using transition metal catalysts
is remarkable both in academia and industry
[101]. As shown in
Eq. 5.40
, the equilibrium
(
k
a
/
k
da
) between domant species (A) and active
species (B) controlled by redox of a transition
metal catalyst can control the rate of monomer
consumption, resulting in polymerization with
a controlled manner. The external stimuli by
electrochemical oxidation and reduction of the
metal catalyst change the equilibrium and
consequently more precise control of
polymerization is possible (
Eq. 5.40
) [102].
(5.40)
References
1.
(a) Hammerich, O. and Speiser, B. (eds)
(2014)
Organic Electrochemistry
, 5th edn,
CRC/Taylor & Francis. (b) Torii, S. (2006)
Electroorganic Reduction Synthesis
, Vols 1 and
2, Kodansha and Wiley-VCH Weinheim GmbH.
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