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Synthesis of Conductive Polymer PEDOT in Aqueous Lignosulfonate Solutions

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Abstract:

To solve the solubility problem of conductive poly (3,4-ethylenedioxy thiophene) (PEDOT), PEDOT was synthesized from polymerization of 3,4-ethylenedioxy thiophene (EDOT) in aqueous lignosulfonate (LS) solutions with ammonium persulfate as the oxidant. Results showed that conductive polymer PEDOT was successfully obtained in the present of LS, and the PEDOT/LS conductive compounds could be well dispersed into water. The effective diameter of the PEDOT/LS compounds decreased with increasing feed ratio of EDOT:LS. When the EDOT:LS ratio was up to 3.5:1, the effective diameter of PEDOT/LS was about 100 nm as detected by light scattering and TEM. The surface resistance of PEDOT/LS coating was about 107 Ω/sq, and had little change after treatment of washing and heating, so the PEDOT/LS dispersion could be used as a good antistatic agent.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

802-806

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.802

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Online since:

July 2012

Authors:

Yong Hong Deng*, Liang Xiao

Keywords:

Anti-Static, Conducting Polymer, Thiophene

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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