Polyaniline in the form of an easily dispersible powder and its use in corrosion protection and electrostatic dissipation
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United States of America Patent
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May 9, 2000
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N/A
app pub date -
Sep 9, 1998
filing date -
Sep 9, 1997
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Abstract
Conductive polymer sheathed polymeric particulate powders comprise a polymeric core powder; and from about 5 to about 30 percent by weight of an intrinsically conductive polymer forming a sheath around the core powder. A method of providing corrosion protection to metal substrates comprises applying a conductive polymer sheathed polymeric particulate powder to a metal substrate to form a coating at least about 0.5 mils thick; wherein the conductive powder comprises a polymeric core powder; and from about 5 to about 30 percent by weight of an intrinsically conductive polymer forming a sheath around the core powder, the resulting conductive polymer powder having a particle size greater than about 1 micron.
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