Corrosion resistant coating

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428213, 428332, 428334, 428413, 4284231, 428447, 428457, 428500, B32B 702, B32B 1508

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056586493

ABSTRACT:
A method of protecting a metal substrate from corrosion including coating a metal substrate of, e.g., steel, iron or aluminum, with a conductive polymer layer of, e.g., polyaniline, coating upon said metal substrate, and coating the conductive polymer-coated metal substrate with a layer of a topcoat upon the conductive polymer coating layer, is provided, together with the resultant coated article from said method.

REFERENCES:
patent: 3151050 (1964-09-01), Wilburn
patent: 4316939 (1982-02-01), Guyomard
patent: 4692225 (1987-09-01), Witucki et al.
DeBerry, "Modification of the Electrochemical and Corrosion Behavior of Snless Steels with an Electroactive Coating", Electrochem. Soc.:Electrochemical Science and Technology 132, pp. 1022-1026 (1985).
Jain et al., "Formation of an Active Electronic Barrier at Al/Semiconductor Interfaces: A Novel Approach in Corrosion Prevention", Corrosion, 42, pp. 700-707 Dec. 1986.
Jain et al., "Configured Semiconductor/Insulation Coatings for Corrosion Prevention", Mat. Res. Soc. Symp. Proc., 125, pp. 329-341 (1988).
Jain et al., "Corrosion Prevention in Metals Using Layered Semi-Conductor/Insulator Structures Forming an Interfacial Electronic Barrier", in Adhesive, Sealants, and Coatings for Space and Harsh Environments, edited by L. H. Lee, (Plenum Publishing Corp., New York, 1988), pp. 381-405.
Hettiarachchi et al., "Corrosion Inhibition of Steel By Phthalocyanine Coatings", Proc. Electrochem. Soc., 89(1), pp. 320-326 (1989).
Daily, "Results of an Experimental Cathodic Protection Installation Using Conductive Coating Systems", Corrosion/87 Symp., 1987, pp. 126-133. [Also 112: 11187a].
Lee, "Adhesives, Sealants, and Coating for Space and Harsh Environments", J. Poly, Mat. Sci. & Eng., 56, 198 (1987).

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