Crossref journal-article
Springer Science and Business Media LLC
Journal of Materials Research (297)
Abstract

Five kinds of uniform metal oxide particles (α-Fe2O3, CeO2, CuO, NiO, and SiO2) were coated with polypyrrole by reacting the dispersed solids with pyrrole in a water/ethanol medium without the use of a soluble oxidant. When the process was carried out in air, all particles were coated with the polymer, although the thickness of the layer varied on different cores. In CuO dispersions, independent polypyrrole particles were produced in addition to coated spheres. While oxygen is the major oxidant that initiates the polymerization of pyrrole, some metal oxides may also affect the reaction both in terms of the amount and the composition of the shell. Thus, α-Fe2O3 and SiO2 were found to be inactive in the polymerization, while CeCh and CuO react with the adsorbed pyrrole molecules through a reductive-dissolution process, in which the monomers are oxidized, causing a release of reduced metal ions.

Bibliography

Huang, C.-L., & Matijevic, E. (1995). Coating of uniform inorganic particles with polymers: III. Polypyrrole on different metal oxides. Journal of Materials Research, 10(5), 1327–1336.

Authors 2
  1. Chin-Lin Huang (first)
  2. Egon Matijevic (additional)
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Dates
Type When
Created 17 years, 11 months ago (Sept. 27, 2007, 8:24 a.m.)
Deposited 4 years, 6 months ago (Feb. 24, 2021, 4:55 p.m.)
Indexed 1 year, 2 months ago (May 31, 2024, 10:54 p.m.)
Issued 30 years, 3 months ago (May 1, 1995)
Published 30 years, 3 months ago (May 1, 1995)
Published Online 14 years, 5 months ago (March 3, 2011)
Published Print 30 years, 3 months ago (May 1, 1995)
Funders 0

None

@article{Huang_1995, title={Coating of uniform inorganic particles with polymers: III. Polypyrrole on different metal oxides}, volume={10}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.1995.1327}, DOI={10.1557/jmr.1995.1327}, number={5}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Huang, Chin-Lin and Matijevic, Egon}, year={1995}, month=may, pages={1327–1336} }