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Electrochemical Polymerization of 1,10‐Decanedithiol in CH 3 CN at Constant Current
Author(s) -
Bu HangBeom,
Endo Kiyoshi
Publication year - 2002
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/1521-3935(20020101)203:1<109::aid-macp109>3.0.co;2-k
Subject(s) - polymerization , polymer , polymer chemistry , kinetic chain length , electrochemistry , chemistry , yield (engineering) , materials science , end group , organic chemistry , electrode , composite material
Synthesis of polymers containing disulfide bonds in the main chain by electrochemical polymerization of 1,10‐decanedithiol (DEDT) in acetonitrile (CH 3 CN) at constant current was investigated. The electrochemical polymerization of DEDT proceeded easily to give a polymer containing disulfide bonds in the main chain formed by intermolecular coupling reaction in good yields. The polymer yield was proportion to both Faradaic charge and DEDT concentration in the feed, but the M̄ n of the polymer remained almost constant during the reaction. On the addition of benzylthiol (BzSH) to the electrochemical polymerization of DEDT, the polymer yield decreased, whereas the polymer yield increased when dibenzyldisulfide (DBDS) was added to the polymerization of DEDT. The benzylthiyl anion derived from DBDS seems to promote the formation of an S—S bond. The content of benzylthiyl derived from DBDS at the chain end was proportion to the amount of DBDS added.