C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/501, 400/5111
C08L 27/18 (2006.01) B05D 1/06 (2006.01) B05D 7/14 (2006.01) C09D 127/18 (2006.01) C25D 13/06 (2006.01)
Patent
CA 1038527
ABSTRACT The perfluorocarbon polymer powder coating composition consists essentially of spherical particles about 1 to 75 microns in diameter of an agglomerate of submicron particles of the perfluorocarbon polymer; the perfluorocarbon polymer preferably is a copolymer of tetrafluoroethylene and hexafluoropropylene, and the powder particles contain about 0.5 - 15 percent by weight of a nonionic surfactant such as isooctylphenoxypoly- ethoxy ethanol; this powder composition is particularly useful for electrostatic deposition on all types of metal substrates to form a durabl , tough, chemical-resistant release coating that can be applied to thicknesses of 3 mils and above; the powder coating composition is particularly useful for chemical vessels, appliances, industrial equipment, high temperature ovens and the like; a process for preparing the perfluorocarbon polymer coating composition is also disclosed.
198157
E.i. Du Pont de Nemours And Company
Na
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