Coating composition and method for producing powder coating
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United States of America Patent
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May 8, 2018
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N/A
app pub date -
May 18, 2012
filing date -
May 18, 2011
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Abstract
A powder coating composition is provided herein. The powder coating composition includes a glycidyl-functionalized (meth)acrylic resin as a film-forming binder, a cross-linking agent (hardener) for the binder, particles chosen from the group comprising aluminum oxide Al2O3 and aluminum hydroxide Al(OH)3 particles, and a coating additive, the wt % based on the total weight of the powder coating composition. A process for the production of a scratch resistant powder coating is also provided herein. The process includes the steps of a) applying a transparent clear coat or a pigmented top coat directly onto a substrate surface or onto a prior coating, and b) curing the clear coat or the top coat applied in step a) wherein the transparent clear coat or the pigmented top coat includes the powder coating composition.
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