Powder coating with metallic and chromatic pigments and method for preparing the same
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United States of America Patent
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Issued Date -
Oct 16, 2003
app pub date -
Sep 23, 2002
filing date -
Oct 12, 2001
priority date (Note) -
Abandoned
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Abstract
The invention relates to a two-part powder coating system in which the first part includes at least one film-forming polymer, at least one chromatic pigment, and at least one metallic-effect pigment and the second part is substantially free of chromatic pigment. The first part, when applied to at least one surface of a substrate to form a base powder coating and cured in the absence of the second part, is adapted to reflect incident white light in a color substantially independent of the color of the chromatic pigment. The second part, when applied to the top of the base coating to form a clear coating and cured, is adapted to reflect incident white light in a color that is a function of the combined colors of the chromatic pigment and metallic effect pigment. The invention also relates to a process for powder coating a substrate using two-part powder coating system and an article made thereby.
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