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Coating powders for smooth, low gloss finishes, and powder coatings formed therefrom
Coating powders for smooth, low gloss finishes, and powder coatings formed therefrom
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机译:用于光滑,低光泽饰面的涂料粉末,以及由此形成的粉末涂料
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摘要
The present invention provides UV curable coating powders comprising a blend of one or more than one free radical curable resin and one or more than one cationic curable resin, at least one free radical photoinitiator and at least one cationic photoinitiator, including suitable cross-linking agents and additives to enhance the chemical and physical properties of the coating appearance. The coating powder, preferably finely ground to between 5 and 30 microns in average particle size, is applied to a substrate, heat fused, and cured for an amount of time sufficient to form a powder coating having a low gloss finish.
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