Chemistry: electrical and wave energy – Processes and products – Electrophoresis or electro-osmosis processes and electrolyte...
Patent
1999-04-22
2000-10-17
Mayekar, Kishor
Chemistry: electrical and wave energy
Processes and products
Electrophoresis or electro-osmosis processes and electrolyte...
204493, 204500, 524502, 524543, C25D 1300
Patent
active
061325813
ABSTRACT:
Disclosed are electrodepositable coating compositions containing a polymer prepared from the polymerization of an ethylenically unsaturated monomer having a heterocyclic ring containing at least one ring nitrogen atom bonded to a vinyl group or a mixture of monomers comprised of such a monomer, the compositions further including contaminants capable of forming defects in the electrodeposited coating surface. The polymer is present in an amount effective to abate formation of the surface defects caused by the contaminants. A method of electrocoating a conductive substrate using the electrodepositable coating compositions of the invention is also disclosed.
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Kaylo Alan J.
Lingenfelter Thor G.
Mayekar Kishor
PPG Industries Ohio Inc.
Uhl William J.
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