Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1995-02-03
1998-10-20
Cain, Edward J.
Coating processes
With post-treatment of coating or coating material
Heating or drying
428457, 4273882, B05D 714
Patent
active
058243712
ABSTRACT:
The present invention relates to a corrosion resistant metal article which comprises: (a) a metal body normally prone to corrosion when subjected to potentially corrosive conditions; and (b) a coating of neutral, undoped polyaniline in the emeraldine base form on a portion of the metal body (e.g., a side coating or undercoating) of the neutral, undoped polyaniline in the emeraldine base form on the metal body, where the distance (for example, not more than about one centimeter) between coated and uncoated portions of the metal is effective to protect the uncoated portion of the metal as well as the coated portion.
REFERENCES:
patent: 5441772 (1995-08-01), McAndrew et al.
Ahmad et al., "Inhibition of Corrosions of Steels by Conducting Polymers", Session FF10, Bulletin of the American Physical Society, vol. 32, No. 3, Mar. 1987, p. 548.
G. Mengoli et al., "Anodic Synthesis of Polyaniline Coatings onto Fe Sheets", Journal of Applied Polymer Science, vol. 26, 4247-4257 (1981).
N. Ahmad et al., "Inhibition of Corrosion of Steels by Conducting Polymers", Session FF10, Bulletin of the American Physical Society, vol. 32, No. 3, Mar., 1987, p. 548.
A.G. MacDiarmid et al., "Synthetic Metals: A Novel Role for Organic Polymers", Techincal Report No.: 1911-5, Office of Naval Research, Apr. 3, 1991.
D.W. DeBerry, "Modification of the Electrochemical and Corrosion Behavior of Stainless Steel with an Electroactive Coating", Journal of the Electrochemical Society: Electrochemical Science and Technology, May 1985, vol. 132, pp. 1022-1026.
G. Troch-Nagels et al., "Electron Conducting Orgnaic Coating of Mild Steel by Electropolymerization", Journal of Applied Electrochemistry 22 (1992) 756-764.
D.A. Wrobleski et al., "Corrosion Resistant Coatings from Conducting Polymers", Polymer Preprints, vol. 35, No. 1, Mar. 1994, pp. 265-266.
B. Wessling, "Passivation of Metals by Coating with Polyaniline: Corrosion Potential Shift and Morphological Changes", Advanced Materials, Communications, vol. 6, No. 3, pp. 226-228 (1994).
Epstein Arthur J.
Jasty Shashi G.
Cain Edward J.
Fennelly Richard P.
Morris Louis A.
Ohio State University Research Foundation
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