Electrochemical Polymerization of Allylamine Copolymers
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Abstract
We describe for the first time the
electro-oxidative synthesis
and passivating properties of surface films of poly(allylamine) and
copolymers of allylamine and diallylamine. Cyclic voltammetry and
impedance spectra show that the films exhibit high charge-transfer
resistance and that the addition of diallylamine causes improvements
in the compactness and stability toward swelling of the films when
compared to both allylamine and diallyamine, leading to coatings with
high charge-transfer resistance up to 70 MΩ. We also show that
removing oxygen before the polymerization further improves the films’
passivating properties