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Process for coating metallic surfaces with an anti-corrosive coating

MPS-Authors
/persons/resource/persons125406

Stratmann,  Martin
Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

/persons/resource/persons125346

Rohwerder,  Michael
Molecular Structure and Surface Modification, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

/persons/resource/persons125301

Paliwoda-Porebska,  Grażyna
Molecular Structure and Surface Modification, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Plieth, W. J., Rammelt, U., Hebestreit, N., Stratmann, M., Rohwerder, M., Adler, H. J. P., et al. (in press). Process for coating metallic surfaces with an anti-corrosive coating.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0025-6CA1-B
Abstract
A process is disclosed for coating fine particles, in which the feed mixture contains: at least one monomer and/or at least one oligomer selected from monomers and/or oligomers of aromatic compounds and/or unsaturated hydrocarbon compounds suitable for forming an electroconductive oligomer, polymer, copolymer, block copolymer or graft copolymer; at least one type of anions which (1) are and/or can be incorporated as doping ions into the structure of the conductive polymer; (2) can be discharged from said structure in the event of a potential fall of the conductive polymer (reduction); and (3) can have an anti-corrosive effect in the presence of a metallic surface; at least one type of particles; if necessary, at least one oxidising agent and water and/or at least another solvent. A coating is formed from the feed mixture on the particle surface, the feed mixture being converted by oxidation into a conductive polymer in the presence of at least one type of mobile anti-corrosive anions. Alternatively, the fine particles are coated with a product mixture that contains a conductive polymer.