Strongly adherent polypyrrole coatings obtained by electropolymerization of pyrrole on oxidizable metals in aqueous electrolytic media II. Zinc and zinc coated steel
- Institut de Topologie et de Dynamique des Systemes de l`Universite Paris 7 - Denis Diderot, associe au CNRS, 1, rue Guy de la Brosse, 75005 Paris (France)
Electropolymerization of pyrrole was carried out on Zn electrodes in aqueous solution of oxalate, after the Zn surface had been chemically or electrochemically treated with sulfides. Very homogeneous and strongly adherent polypyrrole (PPy) coatings were obtained on these modified surfaces with galvanostatic polarization in an aqueous medium containing 0.5M pyrrole and 0.1M K{sub 2}C{sub 2}O{sub 4}. In the neutral state the adherence of PPy failed but could be improved if the coating was cured or over-oxidized. {copyright} {ital 1996 American Institute of Physics.}
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 288309
- Report Number(s):
- CONF-950119--
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 354; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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