Corrosion protection system
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United States of America Patent
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-
Feb 5, 1991
Issued Date -
N/A
app pub date -
Jan 26, 1990
filing date -
Jun 12, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Methods of preventing corrosion in which current flows between the to-be-protected substrate and a distributed electrode whose electrochemically active surface is provided by an element which is composed of a conductive polymer and which is at least 500 microns thick. In one embodiment, the electrode is a flexible strip comprising a highly conductive core. e.g. of copper, and a conductive polymer element surrounding the core. In another embodiment, the electrode is a conductive polymer layer which conforms to the surface of the substrate but is separated from it by a layer of insulation.
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